Recent Posts

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1
4K,6K,8K Series / 4K Test/Repair Jig
« Last post by Loopzilla5 on Today at 03:01:07 PM »
Hi Everyone,

I am looking to build or buy a 4K Test/Repair jig for my bench.

Does anyone have info?

Thanks!

Chris
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Sell-Buy / Re: Parting out 4000E centre section
« Last post by Subhumanrecords on Today at 03:47:55 AM »
651 without cards?


Sent from my iPhone using Tapatalk
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4K,6K,8K Series / Re: Distortion and Pumping Level/Meters On Stereo Bus
« Last post by Matt Salazar on January 17, 2018, 09:44:23 PM »
Would that be on the 82E27 card?
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4K,6K,8K Series / Re: Distortion and Pumping Level/Meters On Stereo Bus
« Last post by waltzingbear on January 17, 2018, 06:24:52 PM »
solder bridge, cold solder joint on some control voltage that affects that VCA

close inspection time.

Cheers
Alan
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4K,6K,8K Series / Distortion and Pumping Level/Meters On Stereo Bus
« Last post by Matt Salazar on January 17, 2018, 04:23:06 AM »
When sending an oscillator (1kHz @ +4db) into a channel and out through the L/R stereo bus or when the oscillator is patched directly into the PRE VCA return, there is a low level but audible ring coming from the stereo bus. When looking at an FFT display it looks like a crazy amount of harmonics bunched together. Oddly adjusting the threshold of the Quad Comp (with the comp not engaged) adjusts the level of various harmonics slightly.

There is also a random pumping (+/- .8db) of the audio. You can see the meters pumping up and down in the video below.

https://youtu.be/Hjs2Snzl-Po

When I patch into the post fader return the signal is clean (no distortion) and the pumping is gone.

I should also note that the Left and Right channels of the stereo bus are in sync with the pumping up and down. Also, the cards in the center section have all just been recapped.
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4K,6K,8K Series / Thermal trip SSL 661 PSU. (SSL 4000)
« Last post by RoyMixer on January 17, 2018, 02:59:38 AM »
Hello,
on one of my power supplies, the thermal trip on the transformer kind of fell apart.  anybody know what the part is and where I can get one?
has anyone replaced these?

thanks

Roy
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4K,6K,8K Series / Re: Blowing Pico Fuses In Unloaded Channels While Testing
« Last post by Loopzilla5 on January 16, 2018, 06:44:19 PM »
Thanks! Those will be perfect.
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4K,6K,8K Series / Re: Blowing Pico Fuses In Unloaded Channels While Testing
« Last post by Matt Salazar on January 16, 2018, 05:53:25 PM »
Hey Chris,

Here’s a link to the ones we purchased. They’re working great so far.

https://www.westfloridacomponents.com/mm5/merchant.mvc?Screen=PROD&Product_Code=K310APM12
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4K,6K,8K Series / Re: Blowing Pico Fuses In Unloaded Channels While Testing
« Last post by Loopzilla5 on January 16, 2018, 04:15:08 PM »
"We ordered some pico fuses and replaced the blown ones on the non-function 611's"

Matt,

I need to order some pico fuses as well. What did you get? Are they 2 Amp? The schematic only says 2A...

Thanks,

Chris
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4K,6K,8K Series / Re: old ssl (1979) alignment
« Last post by Spanzor on January 16, 2018, 05:06:22 AM »
Hi Spanzor,

My observations were mostly directed towards the original poster with the 82E12 card. The '13 cards I've dealt with have been retrofitted with the 500K pot acting as VR3; so it's certainly possible to add them to any '13 card without VR3 already.

cool! got some soldering to do then...

 thanks man!!
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