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Description :
The Perreaux SM2 is a dual channel pure Class A pre-amplifier. Following their launch in the 80's, this pre-amplifier, together with the PMF2150B power amplifier, were wildly received by the US market, and helped propel this then relatively-unknown New Zealand company into newfound fame. Perreaux is renowned for their solid construction and build quality, and were the developers of the power MOSFET technology which enables the amplifiers to achieve impressive levels of sonic warmth and realism.
Specifications :
Input Sensitivities (for rated output of 1.5 Vrms):
Moving Coil (high gain).................................................200 µVrms @ 1 kHz 50 kohms/100pF
Moving Magnet (low gain).............................................2.0 mVrms @ 1 kHz 50 kohms/100pF
All others (Aux. etc.)....................................................110 mVrms @ 25 kohms
Input Overload:
Moving Coil (high gain).................................................120 mVrms @ 1 kHz
Moving Magnet (low gain).............................................1.2 Vrms @ 1 kHz
All others (Aux. etc.)....................................................50 V maximum input level
Rated Output...............................................................1.4 Vrms into 10 kohms or higher
Maximum Output..........................................................27 Vrms into 10 kohms or higher
Main Output Source Impedance.....................................470 ohms
Tape Record Output (source impedance 2 kohms):
For rated input sensitivity...............................................100 mVrms
Minimum recommended load.........................................10 kohms
Frequency Response:
All others (Aux. etc.) to main out....................................20 Hz to 50 kHz ±0.25 dB
Total Harmonic Distortion:
Moving Coil and Moving Magnet (rated input sensitivity).....0.005%
Moving magnet (0.9 V input @ 1 kHz).............................0.010%
Moving Coil (0.09 V input @ 1 kHz).................................0.010%
All others (Aux. etc. at rated input sensitivity)..................< 0.0009%
All others (Aux. etc. at 1 kHz into 10 kohms or higher).....< 0.0009%
100 kHz at rated output into 10 kohms............................< 0.008%
Intermodulation Distortion:
All inputs up to rated input and output.............................< 0.005%
Noise (inputs loaded)
Moving Coil (high gain)..................................................-64 dB lin, 20 Hz – 20 kHz referenced to rated input (72 dBA)
Moving Magnet (low gain)..............................................-78 dB lin, 20 Hz – 20 kHz referenced to rated input (86 dBA)
All others (Aux. etc.)....................................................-104 dB lin (108 dBA)
R.I.A.A. Accuracy:........................................................±0.25 dB
Channel Separation:
All inputs 20 Hz – 20 kHz.............................................70 dB
Phase Accuracy:
Aux. etc.......................................................................1° 20 Hz – 20 kHz
Slewing........................................................................70 V/ µs
Dimensions (w x d x h)..................................................48.5 x 34 x 5.5 cm
Weight.........................................................................5 kg
Miscellaneous :
Matching......................................................................Perreaux PMF2150B power amplifier
Made in........................................................................New Zealand
Condition......................................................................7/10
Reviews :
http://www.perreaux.com/assets/file/archive/029-SM2.pdf
