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  1. For me, the end game is a process of self discovery and learning. It can't be quantified by the money you spend, nor the number of setups you own / owned. Will I ever reach end-game? Probably not, but I will only get closer to my end-game as I get older and my ears start to fail.
  2. His Impedance Correct Circuit makes his speakers work better with tubes, but still not as good as solid state. It's the reason I sold my PrimaLuna DL and replaced it with a SS amp, so I can take full advantage of the Duke with or without ICC.
  3. Item: PrimaLuna Dialogue Premium Integrated KT88 (+ bonus stand for pickup) Location: Melbourne SE Price: $2,700 (RRP $4,595) Item Condition: Flawless Reason for selling: Too many cardboard boxes Payment Method: Pickup - Cash, Paypal (+ fees) Extra Info: Once rated by Stereophile as the best tube amp at any price. Built like a tank, big power reserves and sounds great with everything. Also supports EL34, KT120, KT150 tubes. Works in triode or ultralinear mode at the press of a button on the remote, auto-biasing circuit and bad tube indicators. Can also work as a power amp with HT bypass, the unique circuit allows the input signal to completely ignore the pre-amp stage. Comes with premium remote, stock tubes (6x12AU7, 4xKT88), and 4x12BH7 (can't remember the brand, either Raytheon or Sylvannia), I have the 12BH7 as follower tubes as I found it sounds best this way, stock power cord and tube rings. Smoke and pet free home. And if you're picking up you can also have the isolation platform I built for it: Isolation platform for pick up only: 16mm MDF sandwich, filled with 34mm high of mallet compressed sand and four chrome spikes as feet. I originally planned to add veneer to the sides, but then I got lazy and don't feel like moving it again. The stand supports the PrimaLuna with ease and sounds so much better than the wooden unit I had before. The soundstage is much larger and airier, the transients are sharper, and the imaging is more focused than before. Have original packaging so can ship, but prefer the buyer to organise shipping & insurance. It's about 35kg. Priority to local buyers who can do cash pick up, I'll have it in a box for you. I do not wish to demo the amp as the tubes take time to cool properly for transport, however I can record it in action for your favourite song prior to pick up and upload it to Dropbox. Photos:
  4. It'd be an insult if I had to drop the price on this DAC any further, so instead I am withdrawing this item for sale. I'm sure I'll find a better use for this DAC in the future.
  5. Cheers for your recommendation. I priced this for a quick sale, it's unfortunate the PDX isn't well known. If this is a Schiit Yggy it'd be gone overnight at this price, and the PDX sounds way better.
  6. Price drop! Just to be clear, for people who never heard of this DAC before, this is an end-game DAC, there's nothing quite like it at this price even second hand in all that I saw on SNA classifieds! FYI my new DAC is only an improvement after spending over $8000 on it.
  7. Item: PDX Konvertor USB DAC Location: Melbourne SE Price: $1,200 $1,100 Item Condition: Average, see notes. Reason for selling: Going to solid state Payment Method: Pickup only as I have no box, so cash preferred, direct deposit or PayPal (+fees) is fine if it clears before pickup. Extra Info: Just to be clear, for people who haven't heard this DAC, this is an end-game DAC, there's nothing quite like it at this price even second hand! FYI my new DAC is only an improvement after spending over $8000 on it. This is an one-of-a-kind PDX DAC that was supposed to be either PDX Level 3 or the original Konverter tube DAC, with an original intended price of over $5k+ RRP. I've never owned the original PDX but I've been told the Konverter upgrade on this DAC has made it much faster and transparent, while retaining the original tonality of the PDX. It features: PCM1704U-K chips Duelund caps Bybees on output Single tube output AMR Gold fuse USB and Coax inputs are driven by batteries (although Coax has never worked since I bought it) It comes with the stock tube Gold Aero 6DJ8 Holland, but I'm also giving away any 1 of my 6DJ8/6922/7308 tube collection which contains the legendary Amperex 6922 PQ D-Getter Pinched Waist (this is about $300-400 USD per tube on ebay), as pictured below, if that doesn't tickle your fancy the other tubes in my collection are: Ei 6DJ8 A-frame Yugoslovakia Sylvania/Amperex 7308 Holland RCA 6922 Great Britain And 5 others which I have no idea, the labels are too far gone. I know one of them is a Voshkod Rocket silver screen, at least one Amperex 6922 PQ (non PW) and at least one Amperex 6DJ8 A-frame O-getter Holland. I've also since upgraded the USB board to a HiFace 2 which sounds much better than the original board, and also gives it UAC2 support (exclusive mode in Win 10 or Mac - although I've never tested it on Mac). Inc stock power supply and can demo on pickup. Buy it for one of the best sounding DACs with PCM at any price, or salvage it for parts and get back $2k+. Photos:
  8. Item: Gecko Hifi Rack 5 Shelves Location: Melbourne SE Price: $250 Item Condition: Excellent Reason for selling: Upgraded Payment Method: Pickup - Cash only, no box and too heavy to ship. Extra Info: 5 shelf Gecko hifi stand, has served me very well. Metal construction, tempered glass with cable routing at the rear. Top shelf is about 700 x 520, other shelves are about 535 x 485. Bottom shelf is rated 50kg, top shelf 40kg, all other shelves 20kg. Bottom shelf clearance is about 250mm and other shelves are about 150mm, although you can customise the height (see photos). Let me know if you want it disassembled for pickup, or if you like disassemble it yourself so you know how to put it back together. Photos:
  9. I get it, I think. Are you able to give an example of non linear distortion, how it's measured, where it manifests. For example I don't think it would manifest under THD because jitter isn't an amplitude measurement.
  10. I thought I was understanding things, until now. So to paraphrase, what you're saying is that we can't get more than 6 microseconds of jitter within 6 microseconds of samples, because the discrepancy needs to be continuous to be audible? For example, if the oversampling was 6000x @ 1ns typical jitter then it would be audible in terms of timing? I thought jitter and timing were similar concepts, and that the total jitter per second exceeding 6 microseconds per second would be audible, because they would add up when our brain puts it all together. Now I'm even more confused. Slightly off-topic - how much jitter is audible? I know that changing the clock (in the same DAC) from a picosecond crystal to a femtosecond crystal improves audible jitter performance. No need for apologies, but I sure feel dumb right now.
  11. It depends on the clock, and the number of samples. A lot of DAC's have a jitter per sample in the nanosecond range in lab conditions, that puts jitter in the audible range even without oversampling.
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