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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: RE: Without a window??? posted by Capt. Z on July 22, 2012 at 00:45:44:
Preamp sucks.
High quality stepped attenuator; ladder or series, installed in the amp is the way to go. Yes, you need to drill a hole on the chassis of your amp, else you lose too much.
IC needs to be also short to prevent capacitance built-up.
My tube amps need on 300mV to give full power. What is yoyrs?
However in most cases where the input sensitivity of the amp is low (1.2mV is pretty standard), a preamp does improve dynamics, but still loses openness and liquidity.
YMMV obviously.
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Follow Ups
- I believe in your first concept ... - KIS 02:49:25 07/22/12 (7)
- RE: I believe in your first concept ... - Capt. Z 05:10:16 07/22/12 (6)
- RE: I believe in your first concept ... - KIS 17:58:03 07/22/12 (5)
- RE: I believe in your first concept ... - tyu 06:48:28 07/23/12 (3)
- RE: I believe in your first concept ... - Capt. Z 12:44:47 07/23/12 (2)
- just one mans o-pine.... - tyu 04:35:56 07/24/12 (0)
- Truth be told :) nt - KIS 20:18:29 07/23/12 (0)
- RE: I believe in your first concept ... - Capt. Z 00:25:26 07/23/12 (0)
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