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Found 13 results

  1. Item: DEQX Pre-Mate Plus (Silver) Location: Perth Price: $3500: Exchange for Black Pre-Mate Plus, HDP-4 or HDP-5 give or take $ as appropriate Item Condition: Excellent with original box, remote looks a little untidy due to sticker coming off. Reason for selling: Got a used one to try out, it's amazing, the rest of my gear is black though. Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: No introduction required, if you are looking at this then you already know what it is. I just want a black one.... If you have any of the above models in black and want a silver Pre-Mate Plus then let me know so we can arrange something! The remote on my one looks a little tatty, but they all use the same one anyway, so I'll just keep my one if you prefer Photos: Advertisements without photos of the actual item will not be approved.
  2. Hi guys, edit 5/11/14 - Dave has pointed out that aligning peaks in the step response is a flawed approach - more edits to follow... edit 7/11/14 - great discussion below so I won't edit the initial tutorial based on step response. I'll add at the bottom the official DEQX approach using impulse response - although as Dave has pointed out, with real world drivers and rooms this can also have issues identifying the apropriate peaks to time align.... Original post starts here - but don't use the Step Response: Jiri showed me how to do this and I thought I'd share... It would be better if I did it absolutely from scratch, but the kids are in bed and I don't want to start "woop woops" now - hopefully the existing room measurements I've done will sufficiently show the process.... If people are confused with where I've started, I'll edit and go back to scratch In my case I'm aligning stereo subs (really mid bass TD18s) with my mains (PSE-144s), but the process is the same if aligning any main speaker with 1 or more subs. Key points: Use "Room Measurement" not "Speaker Measurement" once the room measurement is finished you must open the room measurement in the Viewer, not the EQ tab - this is because only the Viewer has the Step response option DEQX mutes the gain between measurements - I find it useful to set the gain the same each time so I can compare different measurements - note the gain setting and set it the same for each measurement on the volume slider! note in the EQ tab below all but the FR is greyed out Starting point: tri-amp setup with 2 way mains + stereo subs speaker correction of mains implemented (which should time align tweeter and mid) crossovers implemented Goal time align the main speaker woofers and the sub/subs Steps do a listening position "Room Measurement" of the drivers you wish to time align - in my case left sub, left woofer and right sub, right woofer - note I find it helpful to keep the gain set between measurements the same (DEQX mutes each time) - take note and set it the same for each measurement - in this case -34dB uncheck open in EQ tab and hit "Finish" now hit the "Viewer" button go and find the measurement you just made in the folder structure all the measurements will be displayed - note on the far right all the dB gains are the same as I've already gain set - that's another tutorial on its own! more importantly note you have access to the FR, IR, GD and Step Response buttons at the top - we'll use Step Response - IR would prob work also in my case I'm going to align left sub and left woofer, then right sub and right woofer hit the Step Response button de-select all but left sub in the bottom frame hit normalise to 0dB - this isn't mandatory but helps bring the scale closer for easier comparison now de-select that measurement, select the next and normalise to 0dB - only normalise individual measurements otherwise you get an average - not critical for time alignment - critical for gain setting but that's another tutorial now select 2 measurements you want to time align see how the peaks are mis-aligned now zoom in using the + icon - click and drag over the peaks in the graph when you click on one peak, you'll see the time measurement in the lower right (I can't screen grab as when I move the mouse off the curve it disappears in my case - left sub and left woofer, the mis-alignment was 2ms click on the peak of the sub woofer and look at the time measurement - write it down click on the peak of the woofer and look at the time measurement - write it down calculate the difference - write it down work out which one needs to be delayed - write it down go into Configure select the driver you want to delay (in my case the sub) in the "Time/Level" tab adjust the delay (in my case 2mS) save all to DEQX then do another room measurement to check following the steps above hopefully it should look like this don't worry that the magnitudes are different - this tute is about time alignment! repeat for right sub and woofer remember to "Save All to DEQX" If this was helpful I'll do the same for "Gain Setting" for a tri-amp setup. cheers Mike
  3. Item: Legend Tikandi Speaker System Location: ACT (Canberra) Price: $8500 $8250 Item Condition: Used (Excellent) Reason for selling: Downsizing - and my ears aren't what they used to be - in boxes, doesn't get used. Payment Method: Pickup - Cash, Paypal (if you wear the fees), Bank Transfer Extra Info: Limited Edition. Legend Tikandi Active Speaker System. Includes amplification (Marantz MM8003), DEQX, custom Legend matched center speaker, calibrated (with file) Earthworks DM23 microphone (this is an upgrade) and all handmade cables (silver wire interconnects). The Tikandi system was purchased at the start of this year from a Stereonet member 10 year warrantee on speakers from 2013 - which Legend will honour (I have checked with them..). Although a reluctant sale, I'm a realist. After years in a loud industry, I don't have the ears that I used to and this system is wasted on me. The DEQX unit allows adjustment to room acoustics, and is currently setup with a recently acquired file from DEQX - their support (even to a second hand owner such as me) has been first rate. The system is working perfectly and will stand up to any test. Speakers are in very good condition - there are some very minor marks which are unnoticeable in normal conditions. The amp and DEQX are in perfect condition. Microphone has been used once and reboxed. Interconnects are custom made Silverwire. Speaker cables supplied by Legend. I have all original boxes and manuals and remotes. Boxed up after recent move and ready to go. Any questions answered and more photos on request. Some reviews to assist https://hometheaterhifi.com/reviews/speaker/floor-standing/legend-acoustics-tikandi-loudspeaker-system-with-deqx-hdp-3-processing/ https://positive-feedback.com/Issue57/deqx.htm Pictures:
  4. Item: DEQX HDP-5 (Black Gloss) Location: Sunbury, VIC Price: $4900 Item Condition: As new in original box with standard power IEC cable, and remote control. Reason for selling: Not being used. Payment Method: EFT/Paypal (+ fees) Extra Info: The HDP-5 is DEQX's flagship preamp/processor. It's a specialised product that is best described by them: https://www.deqx.com/products/hdp-5/ It's running a relatively recent firmware that includes Roon Ready and streaming. There's likely a newer firmware now though. I remember I had Alan from DEQX here a couple of years ago and after hearing A/B corrections on some little speakers, I proclaimed "every system needs a DEQX". I still maintain that however, I'm simplifying my system and the DEQX is just not being used right now. I had the HDP-4 which I used extensively, however since I upgraded to HDP-5 I really haven't reintroduced DEQX to this system. So essentially, it's a new unit. It is packed away but presents as new. Here are some photos borrowed from @Galactic Soap in a previous listing. Pictures:
  5. After some fantastic feedback after the first demonstration of the latest active version of the I-93MKII speakers at the Melbourne international HiFi show and sending them for a couple of private demo's they've finally landed back in our showrooms for audition. Connected to the outstanding DEQX to control the cross over requirements and with three channels of amplification on board each speaker (600 watts in total!) they're sounding pretty darn good. You can see the image below, standard passive version back plate next to the active one. In this instance we're running from the DEQX processor via balanced XLR cables to the internal amplification. We will release further information about these and the other active options we're finalising. Basically expect active versions of the current signature range, and upgrade options for existing owners. Thanks for all the support to date and we're looking forward to some really cool stuff for next year. cheers and thanks again, Simon and the VAF team.
  6. Item: DEQX PreMate Plus Location: Sydney Price: $4000 or best offer Item Condition: New Reason for selling: NLR Payment Method: Pickup - Cash, Direct Deposit Extra Info: This is a new unit. This unit has the optional premium gloss black face plate. The RRP for this unit is about $7000 AUD. (Note that the RRP prices on the DEQX website are shown in USD.) Includes speaker and room correction, preamp, calibration microphone, software, remote. Roon Ready. DLNA Network Streamer. DEQXpert calibration not included in sale price - if you require this then it may be an extra charge from DEQX. NOTE: To clarify... the faceplate was transferred from my old PreMate Plus by Kim at DEQX (but has no scratches/blemishes). The microphone and remote are less than 2 years old (but are in excellent condition). More information at http://www.deqx.com/products/premate-plus/ Pictures:
  7. Hi guys, I considered just adding this post to the DEQX Owners thread, but it would likely get buried there. I'm seeking tips on a specific area, but any DEQX tips could be added here later. I've noticed other DEQX users (particularly @Jiri-AU ) have much more useful information on screenshots they've taken during the DEQX config process. eg The Master and Slave designation, and the bracketed info is very useful for finding stuff later in the Project Explorer. I'd particularly like a good method for identifying the Xover and slope of correction filters after the fact (they always appear as Correction Filter 1, 2, 3 etc), not as something like Xover TD18 to PSE 350Hz 96dB/oct. Are there some tips others have found useful for what info to put where during the measure/calibrate/config to make everything easy to find? I'm finding it twice as hard right now mucking with 2 DEQX units, and everything is in the same project file, but I need to know what I created for the Master vs the Slave. cheers Mike ps I found @@aechmea 's tip on gain matching very useful ages ago (and about to use it again today) - I'll dig that up and put a link in this thread
  8. Item: Complete Active System (minus speakers). Comprising of 1 x Najda (diy deqx system) and 2 x 3 channel amplifiers (Ska Audio modules) Location: Jimboomba Qld 4280 Price: $1800 1500 ONO Delivered for whole lot ..or $900 for Najda dsp and $400 for each 3 channel amplifier if sold separately. Item Condition: Excellent Reason for selling: Recently gone back to passive to get some room back(1 less amp spot) Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: This system would be great for those who would like to go active. It includes the Najda DSP which is basically similar to a DEQX. This has 8 x outputs which come from it's inbuilt dac. It is controlled via pc software/interface and has everything you could think of. 1. Najda DIY Deqx with very low noise power supplies. Info can be found at Najda website. Najda Overview Najda is a multi-purpose stereo applications electronic board designed to sit at the heart of custom sound systems, between sources and amplifiers. Najda indeed is both a multi-way DSP filtering processor, and also a complete interfacing solution providing the same comfort of use one would expect from a modern integrated system - but in your custom package. Najda as a multi-way processor Najda takes on its input an analogue stereo signal or a digital one - it can be SPDIF coaxial, SPDIF optical or merely I2S. The latter suits particularly well to a USB to I2S converter. Digital signals pass through the onboard sample rate converter so that there's no need worrying about the source's sampling rate. Outputs are available in various forms too. 8 unbalanced analogue outputs, with analogue volume and configurable level, let you feed immediately 8 power amps in order to build any system as large as 2x4 ways. If you have special requirements - for example you'd like balanced outputs - then you can connect your own DACs to the 10 SPDIF outs and achieve a 2x5 ways system. Additionally, another 3 pairs of signals with free routing are available as I2S. In between is the dual-core DSP, which implements on 10 processing channels a wide range of algorithms useful for multi-way speaker management. Please refer to the software section to read more about the available algorithms. Internal DSP sampling rate is user selectable and can be any of 48, 96 and 192 kHz. Najda as a complete interfacing solution In order to integrate Najda into his system, the user needs to provide: A standard 2x16 LCD display - can be any size and any colour A standard IR receiver module 8 push-buttons Optionally up to 7 leds In return, the user is being given the comfort of a modern system interface in a custom package. Commands that Najda understands - via keypad or IR remote controller - are various and include of course volume change and input source select, but also tone control and balance adjusts as well as filtering preset recall. Full operating status is presented on the LCD display. As many as 9 filtering presets can be stored in Najda's non-volatile memory and recalled from the fingertip, in order to ease A/B comparisons between several filtering strategies or simply to enable different filtering options adapted to the content. Najda boasts a Learn function that allows setting the remote controller behaviour in less than a minute. 2. 2 x 3 channel amplifiers. This has 3 of SKA-GB150D amplifiers in each box. Info at Greg Balls Website. Pictures: Active DSP. Najda. * Channel Output
  9. Item: DEQX HDP5 Location: Northern Beaches, Sydney, NSW Price: $4,400 (Original owner paid $6,495 for the unit for DEQX in March 2016) Item Condition: MINT Reason for selling: Dedicated acoustically treated listening room Payment Method: Pickup - Cash, Paypal, COD Only Extra Info: This unit was originally purchased in early March 2016 (classified listing noted below) by @Tubularbells who then sold it to me for the price listed in this ad. Since taking delivery of the unit it hasn't left its box/packaging. I purchase the unit because I was looking to mitigate the inherent constraints that exist when it comes to optimising a two channel setup in a room that isn't acoustically treated, which is the case when it comes to my current listening room (read: lounge). Since I was running an Accuphase integrated & Chord DAVE I was specifically after a HDP-5, HDP-4 or Pre Mate + as I only wanted to utilise the DEQX's timing and speaker correction functionality via the digital inputs and outputs as opposed to its (apparently very good) DAC & Pre-Amp. However upon picking up the unit things have moved quicker than anticipated re: plans to knock-down and rebuild our place. We'll be demolishing in two months time, and hopefully in our new home (and me in my new listening room) by early 2018. Between now and then it will be apartment living for me which means I'm in the process of selling quite a lot of my gear as I'd rather move it on and start afresh in 2018. I won't go into too much more detail on the product, because as the saying goes: "if you're looking at this add you know what it can do.." The unit also comes with a free DEQXpert calibration session as per the original listing which can be accessed be clicking HERE Pictures:
  10. The September 2016 meeting of the Sydney Audio Club sees us meet once again for an afternoon of fine music, great sound and amicable company. Each month the Sydney Audio Club presents an excellent high end audio system for our members and guests. Feel free to bring along your own music to test the capabilities of the system or to just share with like-minded music lovers in a friendly and relaxed atmosphere. For September, we are very pleased to have Dr Rod Crawford of Legend present (refer to http://www.legendspeakers.com.au/). Legend has been designing and crafting excellent speakers in Australia since 1995. Rod will present the large Big Red Active (BRA) speaker and the smaller Kanga 8s and Kurre 8s. Details of the system…. Legend Big Red Active speakers. Refer to http://www.legendspeakers.com.au/kumbar.html for detail of these speakers from Legend’s Ultimate range. A review can be found on the Legend web site at http://www.legendspeakers.com.au/BigRedreview.php. Legend Kurre 8s speakers. The Kurre 8s from Legend’s Reference range are somewhat larger. Refer to http://www.legendspeakers.com.au/kurre.html. They were very well received by Greg Borrowman in a review – refer to http://www.legendspeakers.com.au/reviews/Kurre8review.pdf Legend Kanga 8s speakers. The Kanga 8s are smaller speakers from Legend’s Monitor range and offer great value for the money. They were initially designed for home theatre. Refer to http://www.legendspeakers.com.au/kanga.html. Hypex NC122MP amplifier. In Rod’s words… “Class D OEM modules that are only just coming off the production line. They are built into the BRAs to drive their mid & treble that also have a BASH 300W class H amp for the bass/sub. I have these same modules built as separate amps to drive the Kangas and Kurres.” Refer to http://www.hypex.nl/ DEQX HDP-4 preamp processor. The HDP-4 will be used as a full processor for the active BRAs and also in bypass mode just as a DAC for the passive Kangas and Kurres. Refer to http://www.deqx.com/product-hdp4-overview.php Sources will be a Medion laptop as the source for digital files (using JRiver MC21) and a Denon DVD-2910 universal player for CD, SACD and DVD-Audio discs. Refer to http://www.denon.co.uk/UK/product/HomeTheater/DVDPlayers/dvd2910 The second half of the music sessions will be our popular BYO. Members and guests are welcome to offer music to share with us all. So bring along your favourite music on CD/SACD/DVD-Audio. (Sorry, no vinyl again this month.) All we ask is that the music and recordings be interesting. We'll ask you to tell us a little about the artist/recording before it is played. Tracks over 6 minutes will be faded out, to give everyone a fair go. Whether you are a novice or a seasoned veteran, you will have the opportunity to listen, learn and share your experiences with others. Feel free to come and hear the capabilities of the system, or to just share the experience with like-minded music lovers in a friendly and relaxed atmosphere. Guests are welcome – we are a very friendly club so you don't need to know anyone to join us for an afternoon of fine music and sound. Venue: Epping Creative Centre, Dence Park Address: 26 Stanley Road, Epping When: Sunday 11th September 2016 Doors open 1pm Meeting starts at 2pm Best regards, Tom Waters President Sydney Audio Club www.sydneyaudioclub.org.au tomwaters@sydneyaudioclub.org.au
  11. The July 2016 meeting of the Sydney Audio Club sees us meet once again for an afternoon of fine music, great sound and amicable company. Each month the Sydney Audio Club presents an excellent high end audio system for our members and guests. Feel free to bring along your own music to test the capabilities of the system or to just share with like-minded music lovers in a friendly and relaxed atmosphere. For July, we are very pleased to have a return of DEQX (http://deqx.com/). Alan Langford of DEQX will present the DEQX speaker correction and room correction system. DEQX last presented to the club at least 5-6 years ago – much has changed and improved in its product line since then. So another presentation is long overdue. Details of the system…. DEQX HDP-5 preamp processor. The HDP-5 (http://deqx.com/product-hdp5-overview.php) is the flagship of the DEQX line. It performs powerful speaker and room correction/calibration. It can do everything you’ll likely ever want to do. It can accept your XLR and RCA analogue inputs. It can accept your USB, SPDIF coax and BNC, AES/EBU, Toslink digital inputs. It handles source switching and volume control. It has its own DACs and can provide analogue output on RCA and XLR. It provides digital outputs for thru, bass, mid/full and highs allowing you to handle active cross-overs inside the DEQX. It’s the ideal tool if you have your own speakers and you’re looking for the ideal active cross-over. (If you don’t need the active cross-over ability you can opt for the DEQX Premate+ instead – it is the same as the HDP-5 minus the active cross-over.) The DEQX units also sport audiophile grade components. And they include their own microphone for taking your room measurements. Just being released now is a Roon-Ready UTP interface. There is a lot in the box for the money. Refer to: http://www.deqx.com/reviews.php http://www.audiostream.com/content/deqx-hdp-5-preamp-processor#PLe2VAcWPDUKWuQU.97 http://www.6moons.com/audioreviews2/deqx/1.html by Edgar Kramer http://www.digitalaudioreview.net/2015/10/from-a-land-down-under-to-rmaf-2015-deqx-calibration/ by John Darko http://forums.stevehoffman.tv/threads/deqx-next-level-dsp-speaker-correction.413840/ DEQX Integrated Amplifier. Fast, clear and clean. This is a prototype and not yet for sale. But hopefully its tantalizingly close – maybe you can spur Alan on to getting it to market. Refer to: Sorry, no links as yet. Epos ES11 speakers. These speakers hail from the 1990’s. These older speakers open up a good opportunity to use DEQX speaker correction. Alan will demonstrate the benefits of speaker and room correction. Refer to: http://www.audioreview.com/cat/speakers/floorstanding-speakers/epos-acoustics/es11/prd_119526_1594crx.aspx Windows PC running Roon. For Alan’s presentation, his source will be a Windows PC running Roon into the DEQX Roon-Ready UTP interface. Rythmik Audio FS12SE Subwoofers. “Articulate bass for the discerning audiophileâ€. We’ll have two of these subwoofers such that Alan can demonstrate the bass cross-over functionality. Refer to: http://www.rythmikaudio.com/F12SE.html Oppo BDP-105D Universal player. We will use the coax digital output of the Oppo (into the DEQX) primarily for our BYO session. Refer to: https://www.oppodigital.com/blu-ray-bdp-105/blu-ray-BDP-105D-Overview.aspx and http://www.whathifi.com/oppo/bdp-105d/review. The second half of the music sessions will be our popular BYO. Members and guests are welcome to offer music to share with us all. So bring along your favourite music on CD/SACD or flash/USB drive. (Sorry, no vinyl this month.) All we ask is that the music and recordings be interesting. We'll ask you to tell us a little about the artist/recording before it is played. Tracks over 6 minutes will be faded out, to give everyone a fair go. Whether you are a novice or a seasoned veteran, you will have the opportunity to listen, learn and share your experiences with others. Feel free to come and hear the capabilities of the system, or to just share the experience with like-minded music lovers in a friendly and relaxed atmosphere. Guests are always welcome – we are a very friendly club so you don't need to know anyone to join us for an afternoon of fine music and sound. Venue: Epping Creative Centre, Dence Park Address: 26 Stanley Road, Epping When: Sunday 10th July 2016 Doors open 1pm Meeting starts at 2pm Best regards, Tom Waters President Sydney Audio Club www.sydneyaudioclub.org.au tomwaters@sydneyaudioclub.org.au
  12. Hi Guys, I've been mucking with my DEQX tonight, doing some "In Room" speaker measurements and calibrations... @@artaudio , it would be great if you could chime in Alan ! My setup is a DEQX HDP3 triamped in a 2 way + stereo sub arrangement - stereo PSE144s + stereo TD18s (the TD18s are "subs" in this config). TD18s cover ~30Hz - 300Hz PSE 144s cover 300Hz - 20kHz Based on some discussions with Jiri (@JiriAU) I've been doing bass speaker measurements/calibration/correction at the listening position for the TD18s - seems fair for frequencies below 250-300Hz. Did some measurements tonight and noted a big hole around 50 - 80Hz (like 20dB) for both speakers but at slightly different frequencies, which implied to me that it was Speaker Boundary Interference Response (SBIR) rather than modal issues - I moved the speakers a little and the measurements changed quite a bit (mic never moved, and the left side measurement changed to a double dip, the right dipped less, and frequencies changed again, so to me more SBIR than modal).. Using EQ to fix dips/suckout caused by SBIR is even more problematic than using EQ for modes (IMHO) - if you have a problem mode at the listening position, you could use EQ to fix it at the listening position, and you've fixed it elsewhere in the room. SBIR depends on the speaker and the listening position and path length differences to boundaries and LP etc, so using EQ is even more likely to make it worse elsewhere. I was challenged in trying to build a correction filter for the TD18s based on listening position measurements, where I didn't want to try and fill a deep 50-70Hz hole caused by SBIR.... i ended up reducing the upper correction threshold to 50Hz. This got me thinking about DEQX measurements/calibration/correction and SBIR issues when making "in room" measurements: clearly speaker placement plays a significant part in this you don't want to make speaker corrections based on measurements affected by SBIR you can't do proper "anechoic" measurements below around 200Hz, even outside, so you may as well measure "in room" For the best DEQX implementation below say 200-300Hz, my thinking is: measure each TD18 close mic'd "in room", and calibrate/correct for freq response/group delay based on this measurement (which will exclude room modal or SBIR effects) . apply speaker correction based on the close mic'd measurements (FIR/linear phase corrections) do further corrections based on "in Room" listening position measurements - these corrections would be using the DEQX parametric EQ (PEQ - IIR/minimum phase) corrections This would provide a speaker correction without room effects - room effects are then addressed through 'room correction" This approach would only work in a 3 way "bi-amp + optional stereo subs" config - otherwise you can't do individual sub (TD18) close mic'd measurements. Other DEQX owners thoughts/opinions on this aproach? (or any non-DEQX owners that wish to chime in) cheers Mike
  13. Hi, I've only been researching hifi for a year, with the intention of sourcing a new system, and it seems the industry is generally split in two in the 5-15k range: - vendors with 4+ ways and they're generally <8", think paradigm / MA etc etc - DIY with >10" woofers with !horns! I don't quite understand the split. For context my favourite speaker I heard at the hifi show was the jbl S4700, yes, a vendor version of the latter. I do like large woofers. So if you wouldn't mind indulging my curiosity: - why the split? - why not buy the commercial versions? Too much fun playing with less finicky boxes than the smaller cousins and deqx?
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