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Transrotor
Phono Preamp






THD measurements were beyond expectation:



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





AllegroSound (Est.1973)
Los Angeles, California USA
Rick@AllegroSound.com
FOR SALE / TRADE
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Rick@AllegroSound.com

alt: AllegroSound@yahoo.com

323.960.5014, 818.377.5264

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