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  1. Sunnbobb

    I'm in love - Sansui 990DB

    A guy who heard that I worked on gear gave me a ring and asked if I would be interested in buying a used Sansui receiver and speakers he was no longer using. He bought them in Germany back in the early 80's, and brought them back to the US.. He was moving and didn't want to tug the gear around...
  2. Sunnbobb

    Phase Linear 4000 Recap parts list wanted

    I'm tackling a PL4000 pre amp and I'm hoping someone might have a list of all the caps and such. And even better a digikey list....
  3. Sunnbobb

    Uncle

    I have to call uncle on an issue I am having with a PL400 II. I started with a perfectly working amp (after I recapped, installed new filter caps, rectifier, op amps and large resistors) and decided to install a WA speaker protect. While messing around and before the install, I stupidly crossed...
  4. Sunnbobb

    Phase linear history site closed?

    I tried to open the site today, no go. Anybody know what's up?
  5. Sunnbobb

    Thorens TD-125 MKII rework

    I'm reworking a Thorens TD-125 MKII turntable I recently picked up. The plinth, platter and mechanical were in pretty good shape. It had an odd tonearm with a SDT cartridge. The oscillation window wasn't right, the needle was missing from the cartridge, and the belt was probably original from...
  6. Sunnbobb

    Size of Knurled Ground Nut on Phase Linear 4000 preamp

    I can't seen to find my thread gauge, and thought perhaps someone would have this on the tip of their mind.. Does anyone know the size of the nut which goes on the grounding post of the 4000? Thank you for your time!
  7. Sunnbobb

    Need help to identify tonearm with sdt-cartridge

    I have hunted the internet trying to find this tone arm with no luck. I'm throwing this out to the PH crowd to see if anyone can identify it? Thanks!!
  8. Sunnbobb

    $50 DAC with swappable opamps paired with WIIM MINI run through WOPL 400 and PL3300 preamp.

    I acquired a Neohippo DC10 DAC for around $50 new. It has an impressive quality case, and the sound with the stock ESS 9038Q2N Opamps is quite good. The stock opamps are socketed, so I went ahead and rolled in a set of three Texas Instruments OPA1656 DIP8 opamps for around $20. I connected the...
  9. Sunnbobb

    PL400 and PL3000 Got the Blues....

    I'm messing around with a PL400 that had the faceplate butchered by some one cutting slots into it. I bought some handles that cover the slots nicely. While I was at it, I applied a Cyan filter get to the meters to get a cool Marantz blue vibe. Since I was also replacing the LEDs in a PL3000...
  10. Sunnbobb

    Some Peoples Kids PL400 lighting DIY

    I've taken to calling these amps "Phase Gump". You never know what you will find inside one. I'm guessing the reason the previous owner didn't just change out the OEM bulbs is it must have been Christmas.
  11. Sunnbobb

    Dis und dat... PL1100 and C6 PL400 470 capacitor.

    The PL1100 Equalizer I have didn't fully work. The knobs were so dirty, I could have used pliers to turn them. Some channels didn't work. I took the entire thing apart, recapped the boards, and cleaned the knobs and sliders. Hooked it back up and it sounds excellent. I also replaced the C6...
  12. Sunnbobb

    Hoo boy.

    I picked up a pretty nice PL400 and ran it through it's paces with a DBT and variac. It had a missing right supply fuse, I put one in. Everything tested fine. I was able to adjust the bias down from 450mv to 360mv, and the DC offset was close to nil. However when I hooked up speakers, the DBT...
  13. Sunnbobb

    Phase Linear P3600 preamp

    Opps, I did it again. I purchased a new in the box P3600 preamp. Waiting for it to arrive/survive shipping. There really aren't many threads on the internet regarding this preamp, but the ones that exist seem to like it. Any observations from the peanut gallery? I'll be able to compare it to the...
  14. Sunnbobb

    Quick Check of Control Board Function - Pictures of test set up

    I've set up PL400 #6 to run the above test from the WOPL docs. Before I put the juice to it, I wanted to make sure it is set up the way suggested in the docs. Joe, If you have a minute, could you confirm this is set up right? Thanks! Richard
  15. Sunnbobb

    Mild dilemma with low bias on one channel

    Amp 1, the one I stupidly allowed the left meter to touch the buss bar, is finally back up and running properly, mostly. By mostly, I mean the only issue I have is the left channel bias adjustment only has a range of .21 to .33, the right channel has a range of .22 to .43 or so. I matched both...
  16. Sunnbobb

    City of Wattage, Washington

    5 down, one to go. Thankful for the help from everyone !
  17. Sunnbobb

    Wiring WOPL PL14-20 Control Board to PL400ii Quasi Back Plane

    Thanks to the excellent wiring diagrams here and in the WOPL instructions, I wired this formerly PL36 PL400S2 to the new WOPL PL 14-20G. I want top make sure everyone concurs this is the proper order of wiring. Thanks for double checking my work.
  18. Sunnbobb

    PL3000 preamp Recap Mouser parts list.

    Here are the caps needed for the recap of a Phase Linear 3000 preamp
  19. Sunnbobb

    Recapped and relayed PL3000 Preamp coupled with WOPL PL400

    I just finished a first listen to the above referenced set up. OMG, I've never heard such detail and clear power. Recapping the 3000 was totally worth it, and lets the WOPL soar. Thanks to all you guys for your tech support.
  20. Sunnbobb

    PL400 Series II WOPL Quasi Control Board

    Hi kids, I just finished assembly of a WOPL Control Board Version G for use in a Quasi setup. I thought I'd post a picture to see if anyone spots any issues before I go forward with installation. Thanks in advance for your eagle eyes.
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