Tobias

Final Audio D8000 Pro Bought from A2A in November 2022. Excellent condition, hardly used. Comes with all accessories and in original packaging. Also included is upgraded headband from Beautiful Audio https://www.beautifulaudio.biz/headband-for-final-d8000 which just clips onto original headband. https://snext-final.com/en/products/detail/D8000pro Introducing the D8000 Pro Edition high end headphones bestseller Leaving the delicate sound quality intact, we have tuned D8000 using the Air Film Damping System (AFDS) exclusively for professional use upon the request of recording engineers who wish to listen at louder sound volumes than ordinary consumers. The human auditory characteristic by which low frequency range becomes easier to hear as sound volume increases has also been taken into consideration. As a result, in comparison to the D8000 which is suitable particularly for classical music and other selections featuring a wide dynamic range, the D8000 Pro Edition provides sound quality perceived to be of higher clarity when listening to rock, pops and other selections that feature a narrow dynamic range. A combination of the sensitive high ranges of planar magnetic models and the volume and open feel bass tones of dynamic models With conventional planar magnetic models, amplitude is an increasing low range, and since the diaphragm comes into contact with magnets, it was necessary to raise the frequency of bass tones to a level that the driver unit can reproduce. To make up for the lack of bass tones, the inside of the earpads have been tightly sealed, and the front section of the diaphragm has been made a closed space. This is the same principle as earphones with sealed earpieces being able to reproduce bass frequencies despite their small size. By sealing the inner earpads, it is possible to produce bass tones across low frequency bands; these become the bass tones produced within a sealed space the same as earphones. With D8000, the problem with the diaphragm coming into contact with magnets has been solved through AFDS (Air Film Damping System), and it has become possible to reduce the frequency of the bass tones that the driver unit can reproduce. Combined with breathable earpads, bass tone reproduction with a volume and open sound only achievable with superior dynamic models is possible. In reproducing subtle high frequencies, the lightweight nature of the diaphragm comes before anything else. Compared to other dynamic models with the same diameter, D8000's diaphragm is 1/3 lighter. A super thin aluminium coil has been etched on the extremely lightweight film diaphragm, and as such, the adhesive essential for use between the coil and the diaphragm of dynamic models - which has a very negative effect on sound quality - is not necessary. With the D8000 Pro Edition, problems originating from the adhesive have been fundamentally resolved, and the reproduction of a delicate sound in high frequency range has been achieved. With a combination of the planar magnetic model's subtle high frequencies and the dynamic model's volume and open bass tones, you discover new things about music you're used to listening to when you use D8000; they have you wanting to listen to your favourite music over and over again. With this product, you realize that high sound quality provides the impetus for experiencing the deeper aspects of music. Newly-developed AFDS: Air Film Damping System With conventional planar magnetic models, amplitude was an increasing low range, and the diaphragm came into contact with magnets. To solve this problem, we took measurements by conducting diaphragm simulations using the finite element method and laser Doppler devices numerous times, and established new diaphragm braking technology known as AFDS - Air Film Damping System. In doing so, the shortcoming of planar magnetic models - the low reproducibility of bass tones - was solved. This technology could be considered a reinvention of planar magnetic models. With D8000 Pro Edition, the problem with the diaphragm coming into contact with magnets has been solved through AFDS (Air Film Damping System), and it has become possible to reduce the frequency of the bass tones that the driver unit can reproduce. Combined with breathable earpads, bass tone reproduction with a volume and open sound only achievable with superior dynamic models is possible. Designed with prolonged use and ease of repair in mind So as to make repairs and future upgrades possible, almost every part has been designed in such a way that they can be disassembled, ensuring that the product can be used for many years following purchase. A machined aluminium magnesium alloy housing To establish AFDS, an extremely high level of precision compared to typical driver units is necessary. Because of this, the machined aluminium magnesium alloy housing has been machined with great precision. Black sports a leathercoat finish such as that used for expensive cameras. Silver has been imparted with an Alumite anodized aluminium finish. Manufactured at our own factory, this model espouses precision The D8000 series is manufactured at our head office in Kawasaki.together with the precision of individual parts, the precision involved in the assembly process depends on the precision of the tools known as jigs that assist in the assembly process. So as to be able to fine-tune even the slightest of irregularities in jig precision during the assembly process, we design and manufacture production jigs and measurement jigs ourselves. We developed manufacturing apparatus such as a diaphragm formation machine and a diaphragm tension meter in-house, specifically for the D8000 series. To create truly good products, it is necessary to get to the core of the manufacturing process of parts close to the raw material. What is good about "made in Japan" is that when doing so, you can gain the cooperation of those manufacturers close to the material. By controlling everything together, from sourcing the raw materials through to the assembly of the product, we have achieved high-quality products. Newly-developed open type earpads With not only sealed headphones but open-type headphones as well, sealing the earpads makes for a characteristic lengthening of reproduction frequency to bass frequencies that the driver unit originally couldn't reproduce. However, for the high-quality expression of the natural spread of bass frequencies the source sound originally has, it is necessary for the driver unit itself to have the ability to reproduce bass frequencies, and also to use breathable earpads that are not tightly sealed. With all conventional planar magnetic models and many dynamic models, there is a lack in terms of bass frequencies with earpads that are not tightly sealed. With D8000, the reproduction band of bass frequencies has been extended through AFDS, and it has become possible to sufficiently reproduce bass frequencies even with earpads that are not sealed tightly just with driver unit ability. The earpads that greatly influence sound quality have been newly developed specially for D8000 from highly-breathable foam and specialised fibres. For the D8000 Pro Edition, close attention has been paid to good feeling texture and longevity. Toray Ultrasuede has been used for parts that come in contact with the human skin.

Impressive

Very nice

Some great gear there, Ian. Good luck at the show

Price drop

I would also consider trades or part trades with money adjustment either way Marten Oscar Trio Speakers RRP $19500. Also comes with $1600 worth of extras —> Magnetic covers, Isoacoustics Gaia I feet (and no, I will not sell the Gaia feet separately) These sounded beautiful with my McIntosh MC75 amp which is now sold. My new single ended triode amp (low wattage) requires speakers with higher sensitivity. https://www.marten.se/products/oscar/oscar-trio/ https://soundgallery.com.au/product/marten-oscar-trio-floorstanding-loudspeakers/ Good used condition with one small dent and a few little marks. Local pickup preferred over shipping. Original packaging still available. MARTEN OSCAR TRIO, launch model for our new series, is a defining moment – the same Marten sound in a new build. Our chief designer Leif Olofsson crafted new technology to achieve the same performance that we’ve built our name on. Innovation drove the creation of the Oscar series; understanding challenge, taking risks and rethinking design are the ashes from which Oscar was born. Control in the driver’s seat. Oscar Trio meets the demand for a reasonably-priced Marten speaker, without sacrifice to our renowned sound and quality. To achieve this we re-designed the build and created a bespoke driver. The build offers exceptionally controlled and natural sound; true musicality that is the mark of a Marten speaker. Custom designed drivers True Marten sound 2-way Competitive price-point Finishes: Piano Black, Piano White, Matte Walnut Specs: Frequency range 27-20000 Hz +-3dB Power rating 250 W Sensitivity 89 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 2-way Crossover frequency Second order 2500 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 25 mm fibre laminate Matte Walnut, Piano Black or White Stands Brushed Aluminium with Marten Pucks and Cones Dimensions W x H x D 20 x 109 x 40 cm (7.9 x 42.9 x 15.7") Net weight 30 Kg (67 lbs)

Final Audio D8000 Pro Bought from A2A in November 2022. Excellent condition, hardly used. Comes with all accessories and in original packaging. Also included is upgraded headband from Beautiful Audio https://www.beautifulaudio.biz/headband-for-final-d8000 which just clips onto original headband. https://snext-final.com/en/products/detail/D8000pro Introducing the D8000 Pro Edition high end headphones bestseller Leaving the delicate sound quality intact, we have tuned D8000 using the Air Film Damping System (AFDS) exclusively for professional use upon the request of recording engineers who wish to listen at louder sound volumes than ordinary consumers. The human auditory characteristic by which low frequency range becomes easier to hear as sound volume increases has also been taken into consideration. As a result, in comparison to the D8000 which is suitable particularly for classical music and other selections featuring a wide dynamic range, the D8000 Pro Edition provides sound quality perceived to be of higher clarity when listening to rock, pops and other selections that feature a narrow dynamic range. A combination of the sensitive high ranges of planar magnetic models and the volume and open feel bass tones of dynamic models With conventional planar magnetic models, amplitude is an increasing low range, and since the diaphragm comes into contact with magnets, it was necessary to raise the frequency of bass tones to a level that the driver unit can reproduce. To make up for the lack of bass tones, the inside of the earpads have been tightly sealed, and the front section of the diaphragm has been made a closed space. This is the same principle as earphones with sealed earpieces being able to reproduce bass frequencies despite their small size. By sealing the inner earpads, it is possible to produce bass tones across low frequency bands; these become the bass tones produced within a sealed space the same as earphones. With D8000, the problem with the diaphragm coming into contact with magnets has been solved through AFDS (Air Film Damping System), and it has become possible to reduce the frequency of the bass tones that the driver unit can reproduce. Combined with breathable earpads, bass tone reproduction with a volume and open sound only achievable with superior dynamic models is possible. In reproducing subtle high frequencies, the lightweight nature of the diaphragm comes before anything else. Compared to other dynamic models with the same diameter, D8000's diaphragm is 1/3 lighter. A super thin aluminium coil has been etched on the extremely lightweight film diaphragm, and as such, the adhesive essential for use between the coil and the diaphragm of dynamic models - which has a very negative effect on sound quality - is not necessary. With the D8000 Pro Edition, problems originating from the adhesive have been fundamentally resolved, and the reproduction of a delicate sound in high frequency range has been achieved. With a combination of the planar magnetic model's subtle high frequencies and the dynamic model's volume and open bass tones, you discover new things about music you're used to listening to when you use D8000; they have you wanting to listen to your favourite music over and over again. With this product, you realize that high sound quality provides the impetus for experiencing the deeper aspects of music. Newly-developed AFDS: Air Film Damping System With conventional planar magnetic models, amplitude was an increasing low range, and the diaphragm came into contact with magnets. To solve this problem, we took measurements by conducting diaphragm simulations using the finite element method and laser Doppler devices numerous times, and established new diaphragm braking technology known as AFDS - Air Film Damping System. In doing so, the shortcoming of planar magnetic models - the low reproducibility of bass tones - was solved. This technology could be considered a reinvention of planar magnetic models. With D8000 Pro Edition, the problem with the diaphragm coming into contact with magnets has been solved through AFDS (Air Film Damping System), and it has become possible to reduce the frequency of the bass tones that the driver unit can reproduce. Combined with breathable earpads, bass tone reproduction with a volume and open sound only achievable with superior dynamic models is possible. Designed with prolonged use and ease of repair in mind So as to make repairs and future upgrades possible, almost every part has been designed in such a way that they can be disassembled, ensuring that the product can be used for many years following purchase. A machined aluminium magnesium alloy housing To establish AFDS, an extremely high level of precision compared to typical driver units is necessary. Because of this, the machined aluminium magnesium alloy housing has been machined with great precision. Black sports a leathercoat finish such as that used for expensive cameras. Silver has been imparted with an Alumite anodized aluminium finish. Manufactured at our own factory, this model espouses precision The D8000 series is manufactured at our head office in Kawasaki.together with the precision of individual parts, the precision involved in the assembly process depends on the precision of the tools known as jigs that assist in the assembly process. So as to be able to fine-tune even the slightest of irregularities in jig precision during the assembly process, we design and manufacture production jigs and measurement jigs ourselves. We developed manufacturing apparatus such as a diaphragm formation machine and a diaphragm tension meter in-house, specifically for the D8000 series. To create truly good products, it is necessary to get to the core of the manufacturing process of parts close to the raw material. What is good about "made in Japan" is that when doing so, you can gain the cooperation of those manufacturers close to the material. By controlling everything together, from sourcing the raw materials through to the assembly of the product, we have achieved high-quality products. Newly-developed open type earpads With not only sealed headphones but open-type headphones as well, sealing the earpads makes for a characteristic lengthening of reproduction frequency to bass frequencies that the driver unit originally couldn't reproduce. However, for the high-quality expression of the natural spread of bass frequencies the source sound originally has, it is necessary for the driver unit itself to have the ability to reproduce bass frequencies, and also to use breathable earpads that are not tightly sealed. With all conventional planar magnetic models and many dynamic models, there is a lack in terms of bass frequencies with earpads that are not tightly sealed. With D8000, the reproduction band of bass frequencies has been extended through AFDS, and it has become possible to sufficiently reproduce bass frequencies even with earpads that are not sealed tightly just with driver unit ability. The earpads that greatly influence sound quality have been newly developed specially for D8000 from highly-breathable foam and specialised fibres. For the D8000 Pro Edition, close attention has been paid to good feeling texture and longevity. Toray Ultrasuede has been used for parts that come in contact with the human skin.

Antipodes

Very nice

Yep, that’s exactly what I am doing

I was talking to Neil about that yesterday. It’s nice to have a selection of headphones at home. But it can be quite liberating to cut down to just one headphone. And then actually listening to music, rather than swapping gear in and out, trying to find the magical combination.

Very nice

@Bengineer

Item: AudioWise SRC•DX USB to Dual-Coax Bridge Price Range: Depending on age and condition Item Condition: New or Used Extra Info: Thank you

I got a MHA200 for sale. Not sure about VO but was a great match for VC

McIntosh MHA200 Headphone Amp https://www.mcintoshlabs.com/products/headphone-amplifiers/MHA200 Fantastic little headphone amp. It was bought from Australian McIntosh Dealer 06/2022 and I am the second owner. Close to new condition, has been used for less than 100 hours. I still have all the OEM packaging so happy to ship. Standard shipping without insurance included in price. Open to trades. (Shipping insurance at buyers’ discretion and cost. Happy to accept Paypal but buyer to cover costs. Otherwise Paypal F+F or EFT) Treat Your Headphones to McIntosh Vacuum Tube Amplification. The MHA200 Vacuum Tube Headphone Amplifier is designed for discerning headphone enthusiasts who demand the most from their headphones. Its versatile set of connectivity options, including balanced inputs and outputs, allows for nearly all headphone types to be connected to enjoy an extraordinary personal listening experience. FEATURES: Compact footprint: just 6-1/8" (15.6cm) x 9-1/8" (23.2cm) 4 selectable headphone impedance ranges Balanced and unbalanced analog inputs Balanced stereo or dedicated Left & Right outputs A pair of 12AT7 and 12BH7A dual triode vacuum tubes power the compact MHA200. The 12AT7 vacuum tubes amplify the incoming audio signal while the 12BH7A tubes provide the power to drive the output to your headphones with low distortion. The MHA200 uses a pair of our Unity Coupled Circuit output transformers to deliver pristine audio to your ears. Our Unity Coupled Circuit is the same technology McIntosh was founded on in 1949 and is still used in our vaunted full-size home audio vacuum tube amplifiers such as the timeless MC275 and the more recent MC1502. Indeed, the MHA200 shares many physical design traits with the aforementioned vacuum tube amplifiers. A wide assortment of connectivity options come on the MHA200. For attaching your headphones, there are 3 options: a pair of 3-pin balanced XLR connectors for dedicated Left and Right balanced output; a 4-pin balanced XLR connector for balanced stereo output; and a 1/4" stereo headphone jack. For connecting the MHA200 to your home music system's source components, it has 1 set each of both balanced and unbalanced inputs. Thanks to the MHA200's small size of just 6-1/8" (15.6cm) wide x 9-1/8" (23.2cm) deep and its balanced inputs, it can be placed close to your listening position for ease use, with long balanced audio cables connecting it to your audio system without fear of signal loss. The MHA200 takes advantage of unique McIntosh technologies to create the best possible personal listening experience. The Unity Coupled Circuit transformers have been adapted to produce 4 headphone impedance ranges of 32 – 100, 100 – 250, 250 – 600, and 600 – 1,000 Ohms at 500mW so that virtually every headphone can receive legendary McIntosh sound quality and performance. We custom designed and manufactured the output transformers to match the tube amplifier section to the headphone output section in order to ensure maximum power transfer for various headphone loads. Instead of having to adapt to the impedance of the headphones with voltage gain in the input stage, the Unity Coupled Circuit output transformers' secondary windings ensure the full power of the MHA200 is available regardless of the impedance of your headphones. A custom, high-performance, and highly efficient toroidal power transformer with low mechanical hum and a low magnetic field, which helps reduce electrical noise, provides clean power to the amplifier. You can select the best impedance range for your headphones via the LOAD knob. The VOLUME knob allows the MHA200 to be connected directly to music sources that only have a fixed volume output without needing a preamplifier for volume control. Conversely, if you're using a component with variable volume output, then the VOLUME knob should be set to the center Unity Gain point and the volume controlled by the variable output component. The MHA200 features a custom formed stainless steel chassis with a polished mirror finish that will accentuate the glow of the vacuum tubes, making it a statement piece to display in your home and to use with pride. A vintage die cast aluminum McIntosh name badge adorns the side of the MHA200. A Power Control input and output allows the MHA200 to turn on and off with other connected McIntosh components, such as preamplifiers, CD players, turntables, or media steamers. A protective vacuum tube cover is included.

Marten Oscar Trio Speakers RRP $19500. Also comes with $1600 worth of extras —> Magnetic covers, Isoacoustics Gaia I feet These sounded beautiful with my McIntosh MC75 amp which is now sold. My new single ended triode amp (low wattage) requires speakers with higher sensitivity. https://www.marten.se/products/oscar/oscar-trio/ https://soundgallery.com.au/product/marten-oscar-trio-floorstanding-loudspeakers/ Good used condition with one small dent and a few little marks. Local pickup much preferred over shipping. Original packaging still available. Trades considered but would have to be something quite special. MARTEN OSCAR TRIO, launch model for our new series, is a defining moment – the same Marten sound in a new build. Our chief designer Leif Olofsson crafted new technology to achieve the same performance that we’ve built our name on. Innovation drove the creation of the Oscar series; understanding challenge, taking risks and rethinking design are the ashes from which Oscar was born. Control in the driver’s seat. Oscar Trio meets the demand for a reasonably-priced Marten speaker, without sacrifice to our renowned sound and quality. To achieve this we re-designed the build and created a bespoke driver. The build offers exceptionally controlled and natural sound; true musicality that is the mark of a Marten speaker. Custom designed drivers True Marten sound 2-way Competitive price-point Finishes: Piano Black, Piano White, Matte Walnut Specs: Frequency range 27-20000 Hz +-3dB Power rating 250 W Sensitivity 89 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 2-way Crossover frequency Second order 2500 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 25 mm fibre laminate Matte Walnut, Piano Black or White Stands Brushed Aluminium with Marten Pucks and Cones Dimensions W x H x D 20 x 109 x 40 cm (7.9 x 42.9 x 15.7") Net weight 30 Kg (67 lbs)

Item: iEMatch+ 3.5mm Price Range: less than RRP Item Condition: New or Used

iFi Pro iESL Energizer https://ifi-audio.com/products/pro-iesl/ Great sounding and highly sought after energizer. Excellent condition. Not in production anymore. Easiest way to add electrostatic headphones to a system, either from a speaker amp via speakers outs or from a headphone amp via headphone out. I used it with my Nirvana for a while and it sounded great. Only selling because I’m upgrading to a dedicated estat amp. Uninsured postage included in price. Insurance at buyers’ discretion and cost.

Item: High end speaker cable, unterminated Price Range: depending on cable Item Condition: New or Used I need about 4m of high end speaker cable to connect my tweeters, mid-woofers and subwoofers to my crossovers. My amp connects to the crossover with Tellurium Q Ultra Silver cables so quite high end. So I’m looking for some unterminated speaker cable to match.

@Atrebs

Love it

Marten Oscar Trio Speakers RRP $19500. Also comes with $1600 worth of extras —> Magnetic covers, Isoacoustics Gaia I feet These sounded beautiful with my McIntosh MC75 amp which is now sold. My new single ended triode amp (low wattage) requires speakers with higher sensitivity. https://www.marten.se/products/oscar/oscar-trio/ https://soundgallery.com.au/product/marten-oscar-trio-floorstanding-loudspeakers/ Good used condition with one small dent and a few little marks. Local pickup much preferred over shipping. Original packaging still available. Trades considered but would have to be something quite special. MARTEN OSCAR TRIO, launch model for our new series, is a defining moment – the same Marten sound in a new build. Our chief designer Leif Olofsson crafted new technology to achieve the same performance that we’ve built our name on. Innovation drove the creation of the Oscar series; understanding challenge, taking risks and rethinking design are the ashes from which Oscar was born. Control in the driver’s seat. Oscar Trio meets the demand for a reasonably-priced Marten speaker, without sacrifice to our renowned sound and quality. To achieve this we re-designed the build and created a bespoke driver. The build offers exceptionally controlled and natural sound; true musicality that is the mark of a Marten speaker. Custom designed drivers True Marten sound 2-way Competitive price-point Finishes: Piano Black, Piano White, Matte Walnut Specs: Frequency range 27-20000 Hz +-3dB Power rating 250 W Sensitivity 89 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 2-way Crossover frequency Second order 2500 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 25 mm fibre laminate Matte Walnut, Piano Black or White Stands Brushed Aluminium with Marten Pucks and Cones Dimensions W x H x D 20 x 109 x 40 cm (7.9 x 42.9 x 15.7") Net weight 30 Kg (67 lbs)

Sparkos Aries headphone amp. Fully loaded version with preamp functionality. One of the best regarded solid state headphone amplifiers in great condition. Bought from Australian retailer December 2022. https://youtu.be/bgg77hMM_PU https://youtu.be/Mqv59S95s7E RRP: US$2995 + shipping + customs Standard shipping included in price. Shipping insurance at buyers’ discretion and cost. Happy to accept Paypal but buyer to cover extra fees.

McIntosh MHA200 Headphone Amp https://www.mcintoshlabs.com/products/headphone-amplifiers/MHA200 Fantastic little headphone amp. It was bought from Australian McIntosh Dealer 06/2022 and I am the second owner. Close to new condition, has been used for less than 100 hours. I still have all the OEM packaging so happy to ship. Standard shipping without insurance included in price. Shipping insurance at buyers’ discretion and cost. Happy to accept Paypal but buyer to cover costs. Otherwise Paypal F+F or EFT. Treat Your Headphones to McIntosh Vacuum Tube Amplification. The MHA200 Vacuum Tube Headphone Amplifier is designed for discerning headphone enthusiasts who demand the most from their headphones. Its versatile set of connectivity options, including balanced inputs and outputs, allows for nearly all headphone types to be connected to enjoy an extraordinary personal listening experience. FEATURES: Compact footprint: just 6-1/8" (15.6cm) x 9-1/8" (23.2cm) 4 selectable headphone impedance ranges Balanced and unbalanced analog inputs Balanced stereo or dedicated Left & Right outputs A pair of 12AT7 and 12BH7A dual triode vacuum tubes power the compact MHA200. The 12AT7 vacuum tubes amplify the incoming audio signal while the 12BH7A tubes provide the power to drive the output to your headphones with low distortion. The MHA200 uses a pair of our Unity Coupled Circuit output transformers to deliver pristine audio to your ears. Our Unity Coupled Circuit is the same technology McIntosh was founded on in 1949 and is still used in our vaunted full-size home audio vacuum tube amplifiers such as the timeless MC275 and the more recent MC1502. Indeed, the MHA200 shares many physical design traits with the aforementioned vacuum tube amplifiers. A wide assortment of connectivity options come on the MHA200. For attaching your headphones, there are 3 options: a pair of 3-pin balanced XLR connectors for dedicated Left and Right balanced output; a 4-pin balanced XLR connector for balanced stereo output; and a 1/4" stereo headphone jack. For connecting the MHA200 to your home music system's source components, it has 1 set each of both balanced and unbalanced inputs. Thanks to the MHA200's small size of just 6-1/8" (15.6cm) wide x 9-1/8" (23.2cm) deep and its balanced inputs, it can be placed close to your listening position for ease use, with long balanced audio cables connecting it to your audio system without fear of signal loss. The MHA200 takes advantage of unique McIntosh technologies to create the best possible personal listening experience. The Unity Coupled Circuit transformers have been adapted to produce 4 headphone impedance ranges of 32 – 100, 100 – 250, 250 – 600, and 600 – 1,000 Ohms at 500mW so that virtually every headphone can receive legendary McIntosh sound quality and performance. We custom designed and manufactured the output transformers to match the tube amplifier section to the headphone output section in order to ensure maximum power transfer for various headphone loads. Instead of having to adapt to the impedance of the headphones with voltage gain in the input stage, the Unity Coupled Circuit output transformers' secondary windings ensure the full power of the MHA200 is available regardless of the impedance of your headphones. A custom, high-performance, and highly efficient toroidal power transformer with low mechanical hum and a low magnetic field, which helps reduce electrical noise, provides clean power to the amplifier. You can select the best impedance range for your headphones via the LOAD knob. The VOLUME knob allows the MHA200 to be connected directly to music sources that only have a fixed volume output without needing a preamplifier for volume control. Conversely, if you're using a component with variable volume output, then the VOLUME knob should be set to the center Unity Gain point and the volume controlled by the variable output component. The MHA200 features a custom formed stainless steel chassis with a polished mirror finish that will accentuate the glow of the vacuum tubes, making it a statement piece to display in your home and to use with pride. A vintage die cast aluminum McIntosh name badge adorns the side of the MHA200. A Power Control input and output allows the MHA200 to turn on and off with other connected McIntosh components, such as preamplifiers, CD players, turntables, or media steamers. A protective vacuum tube cover is included.