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Modular Amps
Egnater / Randall Modular Amps
First gig with MTS....amp died 10 minutes in.
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<blockquote data-quote="mrtatemyballs" data-source="post: 131178" data-attributes="member: 3250"><p>OK GUYS.</p><p></p><p>Further updates.</p><p></p><p></p><p>When I play the amp for more than 30 minutes or so, the volume keeps cutting in and out. Starts to seem like a phase inverter or power tube problem.....but here is where it gets WIERD. </p><p></p><p>A few minutes after that, the master volume knob stops working and the amp locks in on 10!!! It is all the way up all the time and turning the master does nothing. No more cutting in and out, just stuck on 10.</p><p></p><p>It gets wierder. </p><p></p><p>I built a BOOST footswitch for the amp with a pot so I can control the amount of boost. In effect, it switches the master control of the amp to the pot in the footswitch. </p><p></p><p>When I plug in and activate the boost, all the problems stop. I can control the volume of the amp just fine via the pot on the footswitch. The knob on the amp still does nothing, but the amp seems to perform fine so long as I leave the boost engaged.</p><p></p><p></p><p>Thinking I have a bad solder joint or something in the master control section. </p><p></p><p>Any ideas?</p></blockquote><p></p>
[QUOTE="mrtatemyballs, post: 131178, member: 3250"] OK GUYS. Further updates. When I play the amp for more than 30 minutes or so, the volume keeps cutting in and out. Starts to seem like a phase inverter or power tube problem.....but here is where it gets WIERD. A few minutes after that, the master volume knob stops working and the amp locks in on 10!!! It is all the way up all the time and turning the master does nothing. No more cutting in and out, just stuck on 10. It gets wierder. I built a BOOST footswitch for the amp with a pot so I can control the amount of boost. In effect, it switches the master control of the amp to the pot in the footswitch. When I plug in and activate the boost, all the problems stop. I can control the volume of the amp just fine via the pot on the footswitch. The knob on the amp still does nothing, but the amp seems to perform fine so long as I leave the boost engaged. Thinking I have a bad solder joint or something in the master control section. Any ideas? [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
First gig with MTS....amp died 10 minutes in.
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