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  1. D-500 Flogger

    Greetings from upstate NY - have owned the same Dual 500 the past 4 decades...

    Re: Piecing the audio lab together. Got my first small win, test equipment-wise. Found, ordered, arrived, opened up for careful visual inspection, cleaned/polished scratches off of paint & clear lexan face, ready for duty. Without further ado, here's a sequence of thumbnails showing you a...
  2. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Ha - Made you look! :0) I had to count them out anyway, so I figured why not make it into a visual mnemonic so that I couldn't forget that they're already in house? I hate flimsy, for I'm the one where stuff wants to get all twisted up, even though I use a torque wrench religiously. (Got...
  3. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Hey Lee, Good news -- your box arrived this afternoon! I performed a checksum against the transmitted packet -- 0 bits were missing! Better yet, TO-3 bases were counted into bags & we're 1 step closer towards the finish line. That was quick -- this discussion started just over a week...
  4. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    I was looking at the photos you put up, and that lighting *is* impressive! The mistakes always lurk in the shadows, while the repairs are easily seen on the brightly lit operating table! - Nice -
  5. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    To build on your comment, if you followed the link I embedded the price of admission was very fair -- I did the entire kitchen essentially with a single kit for <$60! For the workshop I'm planning on buying (2) kits, and keeping whatever I don't implement immediately as in-house spares. NOTE...
  6. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    J!m, You are so on target with your lighting comments! For example, when I moved here last year, everything was perfect except for the lighting in the kitchen. It was dark with what was in the joint, so I first upped the lumens coming from the existing ceiling fixture. (safely w/quality LED...
  7. D-500 Flogger

    Dual-500 king of the Castle

    That last photo -- man, these amps has a nice look even when powered down...but equipment looks soooo much better when it's powered up & live. Here's a tune that's apprapos for this moment: "Light up and be happy sweet, sweet sounds will fill the air!" Congrats on all light, but no smoke...
  8. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Joe, You are bringing back a lot of memories! In class I would explain that these machines were going into the "You Bet Your Business" mainframe/server arena. And if you 'fixed' a system that was crashing every 5 hours, and now it was crashing every 5 days to 5 weeks, you had actually managed...
  9. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Great point! Back in the early '80s mother DEC managed to figure out that as they souped up the clock speeds & started shrinking the logic gates, that everyone touching these new, faster, spendy logic modules were either weakening or outright blowing the logic gates with uncontrolled static. I...
  10. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    That's a great tip! This is *exactly* the kind of input I'm looking for! To be honest I have vacillated between calling the repurposed room an electronics lab, project workspace, or mental health spa/sanatorium . :0) Of course I'd like to make my electricity hero (Nikola Tesla) proud, but as...
  11. D-500 Flogger

    Dual-500 king of the Castle

    Actually, this sounds like a reasonable solution -- especially if you have a sign (on the inside of the top cover / or even on top of the top cover, 'Fear This' style ) to tell anyone going in something to the effect that "Please wait 6+ minutes for lethal voltages to dissipate BEFORE...
  12. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    No worries -- where I'm living this is a well-worn path, & nobody will notice. (Thinking of our ex-governor & his little brother as {former} CNN lead Big Brother cheerleader.) "Would you like some fries with that self-aggrandizement, Guv"? :0)
  13. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    OK, for the handful of Tone Warriors following along, last night I introduced myself to the PL 400 S2 amp that I'm going to use as my 'proof of concept' for taking my vintage Phase Linear gear & making it better instead of worse. It's going to get the honor of not only debugging the electronics...
  14. D-500 Flogger

    I blew out a couple output transistors on my PL400, what next?

    Lee, my reading assignment is pretty much this entire forum...and in particular, reading for comprehension when Gepetto holds forth. :0) Anyway, thanks for the pointer -- haven't seen it yet, but will track it down next! At this point, just as soon as I figure out the shopping list, I want to...
  15. D-500 Flogger

    I blew out a couple output transistors on my PL400, what next?

    Greetings rollcentre, I'm reading through your thread, and I'm shaking my head up & down while reading your comments amount how the Watkins woofers sound so alive on PL gear. (I have a set of QLS-1s upgraded from the original paper/pulp to the newer Polypropylene Watkins woofers) The best way...
  16. D-500 Flogger

    I blew out a couple output transistors on my PL400, what next?

    Sir, that is simply the clearest, most concise overview about the +'s & -'s of quasi vs. fully complementary PL output stages I've read anywhere. **** You know, at one time I used to hate spending money with any body shop. I would listen to what they promised, discount by a factor of 2, hold...
  17. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Triple D here, thanks for the words of encouragement! Listen, since you are to the WOPL / fully complementary D500 as Edmund Hillary is to Everest, I'm hoping that you will take your hard-won experience & will be right over my shoulder guiding me to the summit! :0) The last time I was on the...
  18. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    Lee, given that I'm proposing to take 2 scopes (+ new caps) and make 1 good one out of them, I was hoping to find a quality troubleshooting guide. Good news -- here's a period-correct Tek troubleshooting manual. I skimmed through it -- looks very informative. NOTE: If anyone out there has...
  19. D-500 Flogger

    Dual-500 king of the Castle

    Yes, Indeed -- I fully subscribe to this philosophy: We are in violent agreement -- keep it coming! :0)
  20. D-500 Flogger

    Twin D-500 Restore-a-Thon / Full-Comp WOPL upgrade (+ first a PL 400 S2 WOPLing / Proof of concept / Process debug )

    To finish this up, I (of course) paid immediately after winning the auction...and then, to help prime the pump, I sent the following message to the seller: To which he replied shortly thereafter: Given the above, I'm cautiously optimistic. (!) Please send positive vibes in the general...
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