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Author Topic: UA -5 digi mod suggestions  (Read 1921 times)

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Offline markrsmith

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UA -5 digi mod suggestions
« on: March 30, 2016, 06:23:51 PM »
Anyone available to digi mod my UA -5?
Thanks

Offline jbell

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Re: UA -5 digi mod suggestions
« Reply #1 on: March 30, 2016, 06:44:42 PM »
I think some where around here there is a how to if your feeling adventurous.  Busman also still mods them
Microtech Gefell M20's> Nbob KCY> Naiant PFA(60V)> Sound Devices Mixpre-6

Offline markrsmith

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Re: UA -5 digi mod suggestions
« Reply #2 on: March 30, 2016, 06:53:37 PM »
Thanks jbell.
I have it opened up, have been looking at the forums, still a little leary to do it myself. Can't be that hard, but thought someone who knows how would be better than me. 
Anyone?  Busman ?

Offline jbell

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Re: UA -5 digi mod suggestions
« Reply #3 on: March 30, 2016, 07:09:22 PM »
If you just want the digimod I think it is just soldering a jumper!!   I could be wrong about that
Microtech Gefell M20's> Nbob KCY> Naiant PFA(60V)> Sound Devices Mixpre-6

Offline flipp

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Re: UA -5 digi mod suggestions
« Reply #4 on: March 30, 2016, 08:02:17 PM »
best DIY tutorial I ever found for a straight digimod - http://he.fi/photo/ua5-dissection/modified/

< TS's archive thread about the DIY digimod - http://taperssection.com/index.php?topic=5209.0 - note that many of the links are now dead but the original instructions are in the link above, no reason to go to the wayback machine >
« Last Edit: March 30, 2016, 08:06:41 PM by flipp »

Offline chinariderstl

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Re: UA -5 digi mod suggestions
« Reply #5 on: March 30, 2016, 08:19:19 PM »
Fyi, Chris Johnson (at Busman Audio) still performs his mod.  In fact, I need to send him my stock UA-5 to have it modded.  :P

http://www.busmanaudio.com/mods.html

HTH.
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Offline Ben Turnbull

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Re: UA -5 digi mod suggestions
« Reply #6 on: March 31, 2016, 01:51:47 AM »
Easy mod to do with a sharp tipped, low watt iron.  Remove resistor R8 and solder a jumper wire.  The photo doesn't show R8 but it's not far away and is clearly labeled.  I've done a couple and it couldn't be easier... long as you ID the correct points on the board.  Good Luck
« Last Edit: March 31, 2016, 01:55:09 AM by Ben Turnbull »
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Offline markrsmith

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Re: UA -5 digi mod suggestions
« Reply #7 on: March 31, 2016, 09:10:45 PM »
Thanks guys. Knowing me, I will probably try to do it myself.

Offline kuba e

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Re: UA -5 digi mod suggestions
« Reply #8 on: April 03, 2016, 03:54:16 PM »
Here are photos how to mod ua5 with switch. If you dont need switch just connect points of middle and right (R35) green wire - see pic 2, then cut path - see pic 7. You will need non shaking hands. The best is to ask somebody who is working with micro solder.

https://web.archive.org/web/20051028065028/http://album.he.fi/hessu/ua5-switch-modified/?c=albumview&ctype=large&first=1&count=10


Offline markrsmith

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Re: UA -5 digi mod suggestions
« Reply #9 on: April 03, 2016, 04:12:55 PM »
Wow, great photos. Just what I needed.

 

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