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Modular Amps
Egnater / Randall Modular Amps
The "Feel"
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<blockquote data-quote="kc2eeb" data-source="post: 144258" data-attributes="member: 811"><p>Two things:</p><p>1, Foglifter: The density and presence control are a band pass and bypass filter on the negative feedback loop. My educated guess is that Rob changed those frequencies.</p><p>2, The reason leaving the option available in the range of adjustment "to sound bad" is because of the huge variation of signal level among all the different modules. The mods are still being connected to the same PI drive circuit which is getting hit by a wide variation of levels when you go from a clean mod to a high gain. I've never measured the relative db levels between the modules but I'm sure it's more than 5 or 10db, probably more like 20-25db. (just a guess) That's a wide range to try to make the amp "happy" with.</p></blockquote><p></p>
[QUOTE="kc2eeb, post: 144258, member: 811"] Two things: 1, Foglifter: The density and presence control are a band pass and bypass filter on the negative feedback loop. My educated guess is that Rob changed those frequencies. 2, The reason leaving the option available in the range of adjustment "to sound bad" is because of the huge variation of signal level among all the different modules. The mods are still being connected to the same PI drive circuit which is getting hit by a wide variation of levels when you go from a clean mod to a high gain. I've never measured the relative db levels between the modules but I'm sure it's more than 5 or 10db, probably more like 20-25db. (just a guess) That's a wide range to try to make the amp "happy" with. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
The "Feel"
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