voila les caractersituque le amplie alpine MRP-F257
 
pouvez vous me dire ce que vous en penser ..svp
 
 
SPECIFICATIONS
 
RMS Power (at 14.4V, 20Hz—20kHz)
25W x 4 (0.08% THD) into 4 ohms  + 80W x 1 (0.3% THD) into 4 ohms
35W x 4 (0.3% THD) into 2 ohms + 80W x 1 (0.3% THD) into 4 ohms
70W x 2 (0.3% THD) into 4 ohms + 80W x 1 (0.3% THD) into 4 ohms
 
General
Frequency Response .................................... 10Hz—50kHz(+0,-1dB)  
 
Signal to Noise (S/N) ............. 100 dBA (referenced to rated power)  
 
Input Sensitivity (for rated power) ...................................200mV to 4V  
 
Slew factor ..................................................... greater than 5
input Impedance .............................................. 10k ohms (line input)
........................................................... 15 ohms (speaker level input)
 
Speaker Impedance ...............4 or 2 ohms (stereo), 4 ohms (bridged and sub output)  
 
Dividing Network ............... Fixed 80Hz HP(18dB/oct.) and 50Hz—200Hz LP(12dB/oct.)  
 
Power Requirements ...................... 11—16V DC (negative ground)  
 
Heat Sink (WxHxD) ....... 226mm x 53mm x 275mm (8-7/8"x1-7/16"x11" )  
 
Foot Print (WxHxD) ....... 246mm x 53mm x 275mm (9-5/8"x1-7/16"x11" )  
 
Weight .......................... 3.1kg(6lb. 13oz.)
 
ou les caracteristique general :
 
5/4/3 Channel  
Top Mounted LED Power Indicator
MOSFET Power Supply
DC-DC PWM Power Supply
No Current Limiting
Double Buffered Pre-Amp Input Circuitry
Discrete Pre-Amp Stage Darlington Bi-Polar Outputs STAR Circuitry
Duo ß Feedback Circuit
MultiMode™
Fixed HP Crossover (Front and Rear) Adjustable Subwoofer Crossover Continuously Adjustable Gain Control Gold Plated RCA Input Connectors
Gold Plated Screw-Down Power Terminals
Low Profile Chassis
Speaker Level Inputs
 
 
merci d avence...