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Modular Amps
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Randall Ultra Module gain
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<blockquote data-quote="alboz28" data-source="post: 162303" data-attributes="member: 2437"><p>Hi Everyone,</p><p></p><p>I have a Randall Ultra module that I am using with a Syn50 head. Issue that I am having is that this module has a tremendous amount of gain and is touchy past 9' o'clock where it gets out of control (noise, squealing etc) if I turn much below 9' o' clock I lose the fullness of the tone. The module is somewhat modded with a .0022 cap in C3 and a switch for a 100pf or 250pf cap in C14.</p><p></p><p>What suggestions might ther be to reduce/tame the gain in this module (resistors etc) or is a 5751 tube in V1 a good option? </p><p></p><p>Thank you for any help</p></blockquote><p></p>
[QUOTE="alboz28, post: 162303, member: 2437"] Hi Everyone, I have a Randall Ultra module that I am using with a Syn50 head. Issue that I am having is that this module has a tremendous amount of gain and is touchy past 9' o'clock where it gets out of control (noise, squealing etc) if I turn much below 9' o' clock I lose the fullness of the tone. The module is somewhat modded with a .0022 cap in C3 and a switch for a 100pf or 250pf cap in C14. What suggestions might ther be to reduce/tame the gain in this module (resistors etc) or is a 5751 tube in V1 a good option? Thank you for any help [/QUOTE]
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Modular Amps
DIY
Randall Ultra Module gain
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