Acoustat Servo Wiring - diyAudio
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Old 24th September 2012, 08:22 PM   #1
lpd is offline lpd  Canada
diyAudio Member
Join Date: Nov 2003
Location: BC
Default Acoustat Servo Wiring

I have a pair of rebuilt servo amps that I plugged into my speakers last night with troubling results. I had a tech do a basic upgrade via Analogue Associates. First off weak output and distortion when volume is turned up. Second a tube on left front turned into a fireworks show.

I'm wondering if I put the wrong wires into the wrong jacks on the amp. How do I know which wire goes where? Mine were colored different off of the speakers to accommodate a custom interface used with them. The amps have light blue, red and yellow input jacks how do I determine what wire from the speaker panels go into each jack? Thanks
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Old 25th September 2012, 02:55 AM   #2
diyAudio Member
Join Date: Feb 2009
Red connector should lead to the membrane, Blue to front stators, Yellow to rear stators. See attached, hope this helps. What speakers are you using?
Attached Files
File Type: pdf Servo schematic2.pdf (138.9 KB, 41 views)
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Old 25th September 2012, 05:21 AM   #3
lpd is offline lpd  Canada
diyAudio Member
Join Date: Nov 2003
Location: BC
I figured out the wiring. One amp works but won't go back into standby mode the other no sound red plate tubes nearest the transformers.
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