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In Reply to: Tube amp driving speakers w/ unstable impedance posted by mondial on August 2, 2016 at 23:07:09:
The higher the output impedance of the tube amp the more its frequency response will follow the impedance of the speaker; peaks in speaker impedance will translate in peaks in the amp's FR, dips in impedance will translate in dips in the FR.
Check the measurements section in the Stereophile reviews of tube amps, they show how the amp's frequency response is affected by their simulated loudspeaker load.
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Follow Ups
- RE: Tube amp driving speakers w/ unstable impedance - Sunya 03:59:46 08/03/16 (0)