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In Reply to: Active vs passive phono preamp? posted by BCR on March 19, 2015 at 12:07:06:
Active EQ has the equalization network in the feedback loop.
Passive equalization does not, being composed of filters made of passive components that are in series with the signal. This allows for a zero feedback design, although that gain blocks in the phono section may well employ feedback independently of the equalization.
Without a schematic of the circuit it can be tricky to tell which is which just by looking at them- you might have to ask the manufacturer in that case.
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Follow Ups
- Very simple: - Ralph 12:11:36 03/20/15 (1)
- Even Simpler... - Interstage Tranny 14:58:42 03/20/15 (0)
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