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Modular Amps
Egnater / Randall Modular Amps
RM4 with stock modules - ' blanket' effect
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<blockquote data-quote="Jaded Faith" data-source="post: 148802" data-attributes="member: 1068"><p>Density and Presence are power amp circuits and have nothing to do with the RM4. These issues are typically only one of the following:</p><p></p><p>- Bad tube</p><p>- Dirty jack/pot/slots/etc</p><p>- Broken pot/jack</p><p></p><p>I have fixed a lot of RM4's and only once have I ever found a bad cap/resistor. Sure enough, it was in a unit someone tried to mod themselves and the cap was underrated for it's position. </p><p></p><p>I'm not familiar with what mods were done to your unit, but it sounds like someone added a switch to make something variable. The first common stage in the RM4 serves the purpose of being a full-range gain stage that's main role is to simply elevate the signal from your guitar. For your modules to work as intended, this should not be tampered with. It's a utilitarian role and not so much a tone-sculpting one as a conventional amp would have. I'll be the issue stems from said switch and it should be removed cleanly and carefully returned to stock.</p></blockquote><p></p>
[QUOTE="Jaded Faith, post: 148802, member: 1068"] Density and Presence are power amp circuits and have nothing to do with the RM4. These issues are typically only one of the following: - Bad tube - Dirty jack/pot/slots/etc - Broken pot/jack I have fixed a lot of RM4's and only once have I ever found a bad cap/resistor. Sure enough, it was in a unit someone tried to mod themselves and the cap was underrated for it's position. I'm not familiar with what mods were done to your unit, but it sounds like someone added a switch to make something variable. The first common stage in the RM4 serves the purpose of being a full-range gain stage that's main role is to simply elevate the signal from your guitar. For your modules to work as intended, this should not be tampered with. It's a utilitarian role and not so much a tone-sculpting one as a conventional amp would have. I'll be the issue stems from said switch and it should be removed cleanly and carefully returned to stock. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
RM4 with stock modules - ' blanket' effect
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