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Modular Amps
Synergy Amps & Modules
Tone controls inffective on KH-1
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<blockquote data-quote="okstrat" data-source="post: 41022" data-attributes="member: 157"><p>Sounds like a bad solder joint or part in the tone stack. Could be on any of the bass/mid/treble pots, most likely midrange pot since you can lift a ground wire off it and the entire tone stack is bypassed. (this is how a dumble 'boost' works on many of his amps).</p><p></p><p>Also could be one of the components in the tone stack - the two capactitors between the bass and mid control, the resistor just behind the mid control, and the small cap between the mid and treble control could be it too. </p><p></p><p>If It were my module, I'd take it apart and check all those parts above for cold solder joints, then I'd get out a multi meter and start checking pots.</p><p></p><p>Could be something else, that's where I'd check first. If the above didn't make any sense to you, you might want to take it to a randall repair center and see if they can work on it there.</p><p></p><p>I could probably fix it and mod it while I had it open - email me at okstrat@cox.net if you want to explore that.</p><p></p><p>Pete</p></blockquote><p></p>
[QUOTE="okstrat, post: 41022, member: 157"] Sounds like a bad solder joint or part in the tone stack. Could be on any of the bass/mid/treble pots, most likely midrange pot since you can lift a ground wire off it and the entire tone stack is bypassed. (this is how a dumble 'boost' works on many of his amps). Also could be one of the components in the tone stack - the two capactitors between the bass and mid control, the resistor just behind the mid control, and the small cap between the mid and treble control could be it too. If It were my module, I'd take it apart and check all those parts above for cold solder joints, then I'd get out a multi meter and start checking pots. Could be something else, that's where I'd check first. If the above didn't make any sense to you, you might want to take it to a randall repair center and see if they can work on it there. I could probably fix it and mod it while I had it open - email me at okstrat@cox.net if you want to explore that. Pete [/QUOTE]
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Modular Amps
Synergy Amps & Modules
Tone controls inffective on KH-1
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