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Everything posted by bbest

  1. I have 4 sets of T2 boards of morden jamesmking's design. If smb wanted just pm me.
  2. you mean this one https://www.mouser.com/ProductDetail/STMicroelectronics/STN0214?qs=pmcUWs1B1IKOCzUPe9wAgg%3D%3D stn0214? So tiny
  3. so may be find some analog for KSC5026MOS, on Aliexpress some shops try to sell 1pcs for 24$ 🤔
  4. I also needs KSC5026MOS, for T2. On mouser it will be available in summer of next year. How know where to buy it ...
  5. Hello! I could get now DynaMight 4pcs boards version 2004. Does anybody know is there any difference for balance amplifier between: DynaMight and Susy Dynahi v 1.43?
  6. There are custom TVCs from some Russian DIY master. Those one are balanced.
  7. I tried to buy 2SK216 here: wehavethatitem https://www.ebay.com/itm/283871974560 also fake, seller agree on refund
  8. Does anyone knows where to buy 2SK216 8 pcs?
  9. I used 3 different connectors, different for AC and DC. Something like this: https://www.aliexpress.com/item/4000011885330.html?spm=a2g0s.9042311.0.0.27424c4dG8z02S https://www.aliexpress.com/item/32814240840.html?spm=a2g0s.9042311.0.0.27424c4dG8z02S
  10. http://www.cardas.com/chassis_wire.php Good choice who likes musical, audiophile sound. In my TVC (volume control) I used replica of Nordost Valhalla 7N https://www.aliexpress.com/item/33015770781.html?spm=a2g0o.detail.1000014.2.38516491jh2RYs&gps-id=pcDetailBottomMoreOtherSeller&scm=1007.13338.183346.0&scm_id=1007.13338.183346.0&scm-url=1007.13338.183346.0&pvid=923f90b3-f4d5-43e1-9930-31951a834e44&_t=gps-id:pcDetailBottomMoreOtherSeller,scm-url:1007.13338.183346.0,pvid:923f90b3-f4d5-43e1-9930-31951a834e44,tpp_buckets:668%232846%238109%231935&&pdp_ext_f={"sku_id":"67149102531","sceneId":"23416"} Balanced, transparent, not colorized sound. Good choice for internal wiring.
  11. For my HiFiMan HE-6 were made custom cable with pure silver + UPOCC copper, proportion 1/3. And it sounds balanced and transparent at same time.
  12. I am in process of collecting parts for T2. All available except those one: KSC5026MOS IXCP10M90S And time of delivery always move right. For example for IXCP10M90S it was around 04/2022 but now in both shops mouser, digikey phrases like this: It took some time 😪
  13. I am using modified HE-6 with balanced beta22. Sounds also great.
  14. Good approach 👍 I also trying to buy a litte more, but not too much. From my practise all projects completely unique. So parts are not shareable. I built several general amplifiers, balanced beta22, some DACs and so on. As for repairing: mine projects are very cool and I am trying to build them very reliable, so don't need to repair them. If realy something will broke, I will better build new more modern and more performance gardget. This is from my practise of 8 years in DIY. So in conclusion: if extra parts doesn't costs too much - then buy them, otherwise exact count or +1. But anyway: it is usefull to buy 10m90s and fill excel with extra inventory - good idea.
  15. Yes, you are right. But without IXCP10M90S all work is useless. May be it make sence to buy maximim parts now and then the rest of another. Because when IXCP10M90S will be available, could be absent another items. The question that it could be loose some money on extra shippings.
  16. Tried to estimate possibility to collect BOMs for T2 on mouser. First struggle was with MOQ=100 of resitors 273 Xicon MF-RC. Second step is long lead time. Some examples: 595-LF353P 512-KSA1156YS 747-IXCP10M90S 512-FQPF8N80C 512-2N3904BU 655-RT424012 512-BC547BTA 512-KSC5026MOS 512-FQPF8N80C 512-2N3904BU 863-1N4007RLG Baddest times for DIY arrived 😅
  17. PM me if needed gerbers or boards itself.
  18. +1 agree with you. I like his boards. I redesigned L-Adapter and UltraBib 1.3, made them more compact. Both has great specs.
  19. I used this one: https://www.diyaudio.com/forums/power-supplies/336685-adapter.html My project:
  20. Not so far ago built HTPC. 5 independent lines on Salas L-Adapter https://www.diyaudio.com/forums/power-supplies/336685-adapter.html MB: +3.3v MB: +5v MB: + 12v SSD: +5v CPU: +12v JCat Femto PCI-E USB card, deeply customized Linux for low latency (without RT kernel).
  21. As I heard Soekris good DAC but not perfect.
  22. I am wandering when people here assambled T2 and use it with Alps RK50 potentiometer from past age. Some years ago I inverstigated question about volume controls. Looked even on Bridged-T attenuator: https://www.electronics-tutorials.ws/attenuators/bridged-t-attenuator.html And as a conclusion: best attenuators are transformer TVCs. Until some music level resistors (even z-foil) is the best. But for Ultra HiEnd is TVC. In attachments is mine. FR @1kHz=0db almost flat up to 1MGHz. It is better then Stevens and Billington TX-102 TVC, Music First Audio - Passive Magnetic Preamplifier and so on. Even this not the toppest one, but it is very very pleasent for hears.
  23. It is possible to buy C2M1000170D on aliexpress, but for testing fake parts could be usefull "p-n junction breakdown voltage meter ". I wanted to build one of Russian variant: https://radiokot.ru/konkursCatDay2017/48/
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