[BC] AM HD power levels

[Phil Alexander]

While true, and while most vinyl began rolling off
above 15 kHz, the performance of the RCA 44-BX was
exceptionally good for a ribbon mic, and an old
push-button GR audio oscillator would deliver any
tone at 0.1% THD+noise from 20 Hz to 20 kHz.

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


On 1 Sep 2008 at 14:58, Robert Orban wrote:
 
> The great Dr. Harry Olson of RCA Labs always maintained that 15 kHz 
> was good enough for high fidelity reproduction.