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Integration Wiring Confusion [resolved]
Integration Wiring Confusion [resolved]
DustDoggy
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DustDoggy
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Re: Integration Wiring Confusion
Reply #15 on:
June 10, 2022, 02:29:53 PM
cranked up the hakko and resoldered it. No luck so far.
DustDoggy
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Re: Integration Wiring Confusion
Reply #16 on:
June 10, 2022, 02:36:31 PM
I should also note the LEDs on the A socket side board dont' glow as bright as the B side socket board.
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #17 on:
June 10, 2022, 02:44:11 PM
If you have a Hakko 888, it's very, very easy to think you're turning it up but actually to be adjusting the calibration of the iron and making the tip cooler (don't ask me how I know!).
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
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Re: Integration Wiring Confusion
Reply #18 on:
June 10, 2022, 03:03:13 PM
I made sure to google search the correct way because I heard it's easy to mess it up. It's definitly at max temp.
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #19 on:
June 10, 2022, 03:18:37 PM
Are the tubes themselves still glowing?
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
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Re: Integration Wiring Confusion
Reply #20 on:
June 10, 2022, 03:20:50 PM
Yup they are glowing.
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #21 on:
June 10, 2022, 03:23:50 PM
Can you very carefully measure the DC voltages at pins 3 and 8 on each 9 pin socket?
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
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Posts:
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Re: Integration Wiring Confusion
Reply #22 on:
June 10, 2022, 03:31:11 PM
Pins 3 and 8 measure 1.54 DCV on both sockets.
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #23 on:
June 10, 2022, 03:37:19 PM
How about the DC voltages at 33 and 37?
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
Jr. Member
Posts:
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Re: Integration Wiring Confusion
Reply #24 on:
June 10, 2022, 03:40:51 PM
33 is at 5.86 DCV, 37 is 6 DCV.
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #25 on:
June 10, 2022, 04:21:32 PM
At this point it would be worth trying a different set of tubes just to be absolutely sure of what's going on.
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
Jr. Member
Posts:
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Re: Integration Wiring Confusion
Reply #26 on:
June 10, 2022, 05:45:41 PM
I will have to order some up. Would like to maybe avoid ebay but it seems the cheapest ones are sold there. Would some new tubes like these be worth ordering?
https://www.thetubestore.com/electro-harmonix-6922-gold?quantity=2&additional_options=3
Paul Birkeland
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Re: Integration Wiring Confusion
Reply #27 on:
June 11, 2022, 04:10:26 AM
I'd go for some old stock tubes, maybe something like this:
https://www.ebay.com/itm/265339152996?hash=item3dc7722a64:g:SPQAAOSw7hZhVzK9
If you want to go with a dealer, I'd try here:
https://vacuumtubesinc.com/index.php/6922-e88cc.html
If you buy two and ask for a pair, I suspect he would send a matched pair.
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DustDoggy
Jr. Member
Posts:
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Re: Integration Wiring Confusion
Reply #28 on:
June 11, 2022, 02:47:26 PM
Cool will order some up and report back when I get em. Thanks Paul!
DustDoggy
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Posts:
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Re: Integration Wiring Confusion
Reply #29 on:
June 20, 2022, 02:11:01 PM
Just got the tubes in the post today and did the voltage check. All voltages are now well within spec and my system is sounding amazing. Thanks for all the help Paul!
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