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RE: External L-pad Connections Wiring Scheme

Posted by djk (M) on June 16, 2017 at 13:22:32

In Reply to: RE: External L-pad Connections Wiring Scheme posted by Duster on June 15, 2017 at 16:23:09:

I hear you saying you want some sort of tone control or program equalizer.

Fine, but I would rather see it done ahead of the amplifier.

Tests have shown that the level of the HF with respect to the LF need to be within ±0.25dB to sound the most coherent. A change of ±0.25dB is plainly audible, the sound described as going 'out-of-focus', the listeners usually unable to tell you if the level was shifted 0.25dB too high, or 0.25dB too low.

A 0.25dB 12-position attenuator was used in these tests.

Snell used slide-bar resistors and allowed about 20 minutes for each speaker coming off the line.

I see your point, but it is not something I would ever do.

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Herbie's Audio Lab

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