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Modular Amps
Egnater / Randall Modular Amps
RM20 Built-in Boost function
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<blockquote data-quote="CrunchBunch" data-source="post: 153250" data-attributes="member: 3591"><p>I don't think this is right. After looking at the schematic for the RM20, the boost function uses the second half of the first 12AX7 (V1) to provide a gain boost in the signal path after the first input stage (1st half of V1) but before the first gain stage of the module.</p><p></p><p>The boost level control then bleeds signal to ground after the module but before the power amp section.</p><p></p><p>Accordingly, it should be possible to tailor the type of "boost" response by modifying the boost stage's various components.</p></blockquote><p></p>
[QUOTE="CrunchBunch, post: 153250, member: 3591"] I don't think this is right. After looking at the schematic for the RM20, the boost function uses the second half of the first 12AX7 (V1) to provide a gain boost in the signal path after the first input stage (1st half of V1) but before the first gain stage of the module. The boost level control then bleeds signal to ground after the module but before the power amp section. Accordingly, it should be possible to tailor the type of "boost" response by modifying the boost stage's various components. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
RM20 Built-in Boost function
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