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Old 7th August 2003, 01:45 AM   #1
bqc is offline bqc  United States
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Default Problem with gainclone

I have built a inverted GC based on Peter Daniels simplified
schematic. It works great. However, one day I had a soldering
gun plugged into one of the wall outlet where the GC is plugged
into also, and I was working on soldering my speaker crossover,
the GC was powered on, and I could here a loud pop whever
I release the trigger of the solering gun. Squeezing the trigger
heat up the gun, but that does not cause any pop, only
when I release the trigger which stops current going to the
gun that I hear the loud pop through the speakers that
are driven by the GC. Anybody has seen this problem?
Anybody knows how to fix it? I have done the same test
with other commercial amp, and they dont have this problem.
One thing I need to add is that I used a IEC power socket
in the GC and I dont have a commercial power conditioner to
plug my GC into to see if it helps or not.
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Old 7th August 2003, 01:56 AM   #2
jleaman is offline jleaman  Belgium
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never solder when your power amp is on.. always unplug it. then work on it after.
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Old 7th August 2003, 02:08 AM   #3
bqc is offline bqc  United States
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I was not soldering the amp. The amp was closed/boxed up.
I was soldering on some speaker crossover circuit.
I have a feeling that soldering gun does not matter in this
case, I could have used a hair dryer and would have noticed the same problem.
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Old 7th August 2003, 02:12 AM   #4
jleaman is offline jleaman  Belgium
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might be problems with grounding or filtering. I don't know many people that use there hair dryer on the same outlet as there amplifiers or there audio. And still you should not solder on a speaker wire when a amp is powered up.
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Old 7th August 2003, 02:21 AM   #5
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Quote:
Originally posted by JasonL
And still you should not solder on a speaker wire when a amp is powered up.

the speaker wires weren't connected to the amp.... he was more than likely running his gainclone on some other speakers while he finished some others.. lol and if I am wrong I'll just go back to my sinbin... lol
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Old 7th August 2003, 02:23 AM   #6
jleaman is offline jleaman  Belgium
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maybe buy some suppressers and put them on the ac line .( of the amp ) what about buying a nice plug bar also. that will help too..
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