Simaudio 740P Preamplifier - Manual (Page 20)

740P Dual-Mono Preamplifier
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20
Specifications
Configuration ................................................ Fully balanced, dual-mono
Power Supply Transformers ............................. 1 x 10VA (audio); 1 x 10VA (controller)
Power Supply Capacitance ............................. 35,000µF
Circuit Topology ............................................. Open Loop
Balanced inputs (XLR) .................................. 2 pairs
Single-ended inputs (RCA) ............................ 3 pairs
Input Impedance .......................................... 22,000
Ω
Input Sensitivity ............................................ 200mV – 4.0V RMS
Balanced outputs (XLR) ................................. 1 pair
Single-ended outputs (RCA) ........................... 2 pairs (fixed and variable)
Output Impedance ......................................... 50
Ω
Gain Control ................................................. M-eVOL2
Gain .............................................................. 9dB
Signal-to-noise Ratio (20Hz-20kHz) ................. 120dB @ full output
Maximum Output Voltage (Balanced) ............... 12 Volts
Maximum Output Voltage (Single-Ended) ......... 6 Volts
Frequency Response ...................................... 5Hz - 100kHz +0/-0.1dB
Crosstalk @ 1kHz .......................................... -116dB
Intermodulation Distortion ............................. Unmeasureable
THD (20Hz - 20kHz) ..................................... < 0.001%
Remote Control ............................................. All Aluminum Full-Function (FRM-3)
Display Type ................................................... 8 character dot matrix LED
Power Consumption @ idle ............................. 20 Watts
AC Power Requirements ................................. 120V / 60Hz or 240V / 50Hz
Shipping Weight ............................................ 35 lbs / 16 Kgs
Dimensions..................................................... 18.75 x 4.0 x 16.5
Balanced Input and Output Pin Assignment:
Pin
1........................... Ground
Pin 2........................... Positive
Pin 3 .......................... Negative
NOTE: If you require the RS-232 codes for your 740P, please visit the "Contact Us" page
and complete the "Information request" form on our website at www.simaudio.com.
Fuse Replacement: For the 120V version use a 0.2A slow blow (5 x 20mm size).
For the 230V version use a 0.1A slow blow (5 x 20mm size).