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Celeste W-4250se Dual-Mono Amplifier                     July 14, 2003


Celeste PW-4250se Front View Celeste W-4250se Rear View
Celeste W-4250se Inside View



The W-4250se represented the most powerful amplifier built by Simaudio, using a dual-mono circuit topology producing 250 watts per channel into 8 ohms and 500 watts per channel into 4 ohms. It was the only Celeste amplifier using Advanced Renaissance technology found in the MOON series making it a true reference calibre product.



Specifications
Production Dates W-4250     - 1993-1996
W-4250se - 1992-1999
Type Solid State
Configuration Dual Mono
Power Supply Transformer 2 x .75kVA
Power Supply Capacitance 144,000µF
Class Of Operation A/AB
RCA Inputs (normal & phase inverted) 2 pairs
Balanced Input XLR AES/EBU   (se version only)
Input Device Type J-FETs
Input Impedance 47,500 ohms
Input Sensitivity 1250mV
Output Device Type Bipolars - 12/channel
Output Binding Posts 1 pair per channel
Output Power @ 8 ohms 250 Watts
Output Power @ 4 ohms 500
Output Power - Bridged Mono 1000
Bandwidth +0/-3dB 10Hz - 75kHz
Output Impedance 0.008 ohms
Damping Factor (static) > 1000
Gain 27dB
Dynamic Headroom 6dB
Signal-to-noise Ratio > 100dB
Maximum Output Voltage 45
Slew Rate 45V/µs
Maximum Current - Peak 45 amperes
Crosstalk @ 1kHz -100dB
IMD Unmeasureable
THD (20Hz - 20kHz @ 1 watt) < 0.1 %
Power Consumption @ idle 45 Watts
AC Power Requirements 120V / 60Hz   240V / 50Hz
Shipping weight 55 lbs
Dimensions 19 x 6.5 x 19 in.

 

 
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