[BC] Re: Super Modulation and distortion

[Phil Alexander]

On 13 May 2005 at 9:49, DANA PUOPOLO wrote:

> This is what "tubelike" sound is. Tubes create even order (2,4. etc.)
> harmonics. Transistors/IC's primarily create third order ones. A 20 watt tube
> amplifier sounds subjectly better then a transistor one of the same power
> simply because the tube amp can be driven harder into clipping before its
> sound becomes objectionable to humans.

Exactly! And when tubes do clip it is a "softer" action, more gradual rather
than a single point cut off. Look at tube curves and it's more clear than
I can make it without a graphic.

Phil Alexander, CSRE 
Broadcast Engineering Services and Technology 
(a Div. of Advanced Parts Corporation) 
Ph. (317) 335-2065   FAX (317) 335-9037




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