Tobiwan Posted February 13, 2021 Share Posted February 13, 2021 Item Condition: Used - Near New 8 months Shipping Options: Pickup available but audition is not available.,Shipping is available at agreed cost. Suburb or Town: Taylors lakes 3038 State: VIC Payment Method: Paypal, cash, EFT Reason for selling: Clearing music room Further information: Purchased April 2020 from Carlton AV, under warranty. Absolute beast of an amp. Please note the 851W is pictured with it's accompanying 861D DAC (both for sale) Here's the technical specs from the makers. CLASS XD Rather than use a Class A design, which is sonically brilliant but generates vast amounts of heat, or a Class AB design, which is efficient but sonically limited, we developed our own Class XD amplifier design which the 851W takes advantage of. This has the sonic purity of Class A and the efficiency of Class AB for the best of both worlds. For more information on our unique patented Class XD technology watch the video at the bottom of the page or click here for a full description. TERRAPIN BUFFERING When designing a stereo system, listeners are often encouraged to think about system matching, where components are handpicked to provide the best overall sound quality. People often assume this is due to the different audio characteristics, but frequently it is due to impedance (the relationship between voltage and current input/output) matching components. Products perform at their optimum when their input and output impedances match. This isn’t always possible though so we decided to develop our unique Terrapin impedance buffering module. This enables the 851W to be paired with a huge variety of audio sources and pre-amplifiers of varying impedance without risking any sacrifice in musicality or overall audio performance. POWER AND CONTROL To build the 851W to be the best toroidal transformers were essential. But rather than use one for everything we designated one for the sound amplification itself, and another for the input circuitry. This means the signal is unaffected by audio output volume, so always sounds fantastic. The primary toroidal transformer provides unrestricted power to the dual mono amplification blocks. It’s a true audiophile transformer that will operate without distortion and with no buzz, interference or hum. The second smaller toroidal transformer takes care of pre-amplification processes. View the videos below for an insight on why we use toroidal transformers. FLEXIBLE CONFIGURATION The 851W can be used in stereo, bi-amped or bridged mono configurations. In bridged mono mode into 8 Ohms the 851W is a 500W monoblock amplifier. Into 4 Ohms, this figure increases to an incredible 800W. It can be paired with our 851E pre-amp, any of our digital pre-amps such as the 851N or CXN, or any other analogue pre-amps, and thanks to our Terrapin buffering module it will always sound perfectly matched. CAP 5 PROTECTION Our proprietary CAP 5 protection system protects the 851W, plus any connected equipment and speakers, ensuring ultimate reliability and peace of mind. For more Specifications Power Output – Stereo/Mono: 200W per channel into 8 Ohms 350W per channel into 4 Ohms Power Output – Bridged Mono: 500W 8 Ohms 800W 4 Ohms THD (Unweighted): < 0.001% 1 kHz < 0.005% 20 Hz – 20 kHz Frequency Response: 5Hz – 80kHz S/N Ratio (REF 1W / 8 OHN): >90dB (unweighted) Sensitivity – Stereo or Mono: 1.5V rms unbalanced 1.5 + 1.5V rms balanced Sensitivity – Bridged Mono: 0.775V rms unbalanced 0.775V + 0.775V rms balanced Input Impedances: Balanced input 38 kOhm Unbalanced input 68 kOhm Power AMP Damping Factor: > 110 at 1 kHz Max. Power Consumption: 2400W Standby Power Consumption: Standby <0.5W Dimensions: Height 148mm (5.8″), Width 430mm (16.9″) and Depth 365mm (14.4″) Weight: 19.1kg (42.2lbs) Photos: PLEASE READ If you include any reference to pricing whatsoever in this section (excluding RRP), your ad will not be approved If you are advertising multiple items, you must post one bulk price only, or post seperate ads for each item If you don't include photographs of the actual item being sold, your ad will not be approved You understand that a reasonable donation for selling fees is expected upon successful sale of your item Link to comment Share on other sites More sharing options...
JkSpinner Posted February 25, 2021 Share Posted February 25, 2021 Hi Tobiwan do you still have the original boxes for these Link to comment Share on other sites More sharing options...
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