Perreaux SM3 User Manual

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Perreaux

Model: SM3

Date of Manufacture: 1986

Product Type: Stereo Preamplifier

info@perreaux.com

www.perreaux.com

Specifications:

PRE-AMPLIFIERSECTION

 

 

Input Sensitivity

 

 

 

High Gain (moving coil)............

175μVrms @ 1kHz

Low Gain (moving magnet).......

1.8mVrms @ 1kHz

Compact Disc...........................................

 

 

350mVrms

All other inputs ........................................

 

 

110mVrms

Input Impedance

 

 

 

High Gain (moving coil).................................

 

47kΩ

Low Gain (moving magnet)............................

 

47kΩ

Compact Disc..................................................

 

 

20kΩ

All other inputs ...............................................

 

 

25kΩ

Input Overload

 

120mVrms @ 1kHz

High gain...................................

 

Low gain ...................................

 

900mVrms @ 1kHz

All other inputs .............................................

 

 

50Vrms

Rated Output...............

1.5Vrms into 10kΩ or higher

Maximum Output ........

27Vrms into 10kΩ or higher

Main Output, Source Impedance

..................470Ω

Tape Output Level .......................................

 

 

110mV

Source Impedance.............................................

 

 

2kΩ

Minimum Recommended Load Impedance .10kΩ

Distortion (THD and IMD)

Phono inputs 0.005% 20Hz-20kHzrising to 0.01% before overload

All others less than 0.0009% 20Hz-20kHzat rated output

Noise (inputs loaded)

Phono, high gain (unweighted) -64dBre rated input Phono, high gain(A weighted).-72dBre rated input Phono, low gain ....................-86dBre 10mV input Phono, low gain(unweighted) .-78dBre rated input Phono, low gain(A weighted)..-86dBre rated input

All others (unweighted)

.......-104dBre rated inputs

All others (A weighted)........

-108dBre rated inputs

Frequency Response

 

Output stage........................

20Hz-50kHz,±0.25dB

Channel Separation

 

All inputs ..................................

70dB 20Hz-20kHz

Phase Accuracy ............................

±1° 20Hz-20kHz

Dimensions

 

Width ..............................................

483mm (19.0”)

Height .................................................

55mm (2.5”)

Depth...............................................

347mm (13.6”)

Weight..............................................

6.0kg (13.0lbs)

:Schematic diagram

:Product manual

info@perreaux.com

www.perreaux.com