AllegroSound



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Transrotor
Phono Preamp











0.06% THD was observed
with output voltage of 7v.

At 0.775v THD was only 0.028%!

Overload capacity is very generous.
Clipping does not begin until 7.5v!

2nd & 3rd Harmonics & Noise
were below measurement !



Response follows RIAA curve with
superb accuracy all the way to 20Hz!




  Hz   RIAA Measured
  20   19.36   20.19
  25   19.04   19.94
  31.5   18.57   19.43
  40   17.88   18.64
  100   13.18   13.17
  200   8.31   8.2
  500   2.74   2.73
  1000   -0-   -0-
  5000   -8.12   -8.31
  10000   -13.65   -13.84
  16000   -17.62   -17.76
  20000   -19.95   -19.63





 
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AllegroSound
−  Established 1973  −
"love what you listen with"
Los Angeles, California USA
Rick@AllegroSound.com


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design & original content ©AllegroSound, los angeles, california, usa. all rights reserved.

AllegroSound
−  Established 1973  −
"love what you listen with"
Los Angeles, California USA
Rick@AllegroSound.com
telephone 323.960.5014

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design and original content ©AllegroSound, los angeles, usa. all rights reserved.