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Modular Amps
Egnater / Randall Modular Amps
Pure tube signal path or op amps in RM4
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<blockquote data-quote="kc2eeb" data-source="post: 66174" data-attributes="member: 811"><p>The signal path is all tube except for the channel switching. The signal</p><p>goes thru opto-isolators rather than a relay. It is basically a light controlled (internal led) solid state (transistor) switch that is completely</p><p>linear meaning it passes the signal through without any alteration.</p><p>Before you say a mechanical relay would be better, they are subject to wear and actually have a capacitive effect on a signal. Can you hear the difference? No. The 8 pin ICs on the module board that look like op amps are the opto-isolators.</p></blockquote><p></p>
[QUOTE="kc2eeb, post: 66174, member: 811"] The signal path is all tube except for the channel switching. The signal goes thru opto-isolators rather than a relay. It is basically a light controlled (internal led) solid state (transistor) switch that is completely linear meaning it passes the signal through without any alteration. Before you say a mechanical relay would be better, they are subject to wear and actually have a capacitive effect on a signal. Can you hear the difference? No. The 8 pin ICs on the module board that look like op amps are the opto-isolators. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
Pure tube signal path or op amps in RM4
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