Recent content by jcollins
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Last US producer of analog tape shuts its doors...
I hope we're ALL not discontinued like Audio Tape....my old band's trip to the recording studio is still on 7.5" reels our ex-sound guy keeps for his Tandberg deck....which he says is ailing....and can't find anyone to fix it!! There's nothing richer than audio tape; I hope Quantegy can pull...- jcollins
- Post #106
- Forum: Dedicated Source Components
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The "good old days"
I REMEMBER this issue! True story; I spent my one day of freedom on a one-day base pass from Air Guard Basic Training at Lackland AFB looking for SWTPC in San Antonio; (where they were based) never did find it! Had a great day riding around on the bus though....back in 1972. They had some...- jcollins
- Post #7
- Forum: DIY (Do-It-Yourself) Discussions
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$35 Hakko 936 Clone - First Impressions **56k warning**
Does the 35$ CSI station come with a replacement heating element?- jcollins
- Post #70
- Forum: DIY (Do-It-Yourself) Discussions
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DIY Cable Gallery!!
is that solid core cat5e wire? I made some almost exactly like that (in fact exactly like that, except with blue flexo and heatshrink on top) and the wires snapped after a few months.- jcollins
- Post #160
- Forum: DIY (Do-It-Yourself) Discussions
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Testing/matching tubes (6550)
You may have seen my son's thread(thrawn86) , I've recently come into posession of forty-odd tung sol 6550 NOS tubes. Of course I'd like to sell them/get rid of them, but they need to be tested/matched first. I am an older Elect. Tech from way back, so technical is OK; does anyone anymore...- jcollins
- Thread
- Replies: 2
- Forum: DIY (Do-It-Yourself) Discussions
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RCA #6550 Power Output Tubes ?
thrawn86 is my son. Working on some testing equipment for all these. I have to return ~4 to work, and I'll probably keep a few. More details to come. I've heard $ figures from 50 to 100$ per tube, and even more for matched pairs.- jcollins
- Post #8
- Forum: Headphone Amps (full-size)
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TUBES SITES faq - add your fav's here
As an old ex-rocker (bassist) & tube amp technician I was thrilled to come across a box of quite a few new /unused RCA 6550's recently. (yes I got them legitimately) Apart from contacting Marshall or HiWatt, suggestions solicited on what would the best way to sell a few of them?- jcollins
- Post #46
- Forum: Headphone Amps (full-size)
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probably stupid 9v rechargeable question
The CMOY circuit(s) I have seen courtesy of my son are pretty tolerant of variations in supply voltage within a range. You shouldn't agonize over a 9v versus 10v system --DC is DC from a supply standpoint, and 1v just won't matter in a hundred years. However, a stacked (18v) system if set up...