specs from alpine
Alpine Mrv 1507
Power Output: RMS Continuous Power (at 12.0V, 20 Hz to 20
kHz)
MRV-1507
Per channel into 4 ohms ......................... 150W, 0.08% THD
Per channel into 2 ohms .......................... 300W, 0.3% THD
Bridged into 4 ohms ................................ 600W, 0.3% THD
Power Output: RMS Continuous Power (at 14.4V, 20 Hz to 20
kHz)
MRV-1507
Per channel into 4 ohms ......................... 225W, 0.08% THD
Per channel into 2 ohms .......................... 450W, 0.3% THD
Bridged into 4 ohms ................................ 900W, 0.3% THD
Max. Power (at 14.4V)
MRV-1507
Per channel into 4 ohms ............................................ 450W
Bridged into 4 ohms ................................................ 1500W
Frequency Response ................... 10 Hz to 50 kHz (+0, –1 dB)
Signal-to-Noise Ratio
(referenced to rated power) ........................................ 105 dBA
Slew factor ........................................................ Greater than 5
Damping factor
MRV-1507/MRV-757 ................................ Greater than 500
MRV-F407 ................................................ Greater than 100
Input Sensitivity (for rated power
output) ........................ 200mV to 4.0V (1.0V at center detent)
Input Impedance ....................................... Line in: 10k ohms
Speaker Impedance ............................... 4 or 2 ohms (Stereo),
4 ohms (Bridged)
Active Dividing Network Frequency and Slope
MRV-1507/MRV-757 .......................... LP: 30 Hz to 200 Hz,
24 dB per octave (MONO)
HP: 30 Hz to 200 Hz, 12 dB per octave (STEREO)
MRV-F407 ............. 50 Hz to 400 Hz x 20, 12 dB per octave
Power Requirement .................. 11 – 16V DC Negative Ground
Dimensions (W x H x D)
MRV-1507 ............................... 260mm x 60mm x 530mm
(10-3/16" x 2-3/8" x 20-7/8")
MRV-T757 ............................... 260mm x 60mm x 330mm
(10-3/16" x 2-3/8" x 13")
MRV-F407 ............................... 260mm x 60mm x 330mm
(10-3/16" x 2-3/8" x 13")
Weight
MRV-1507 .......................................... 8.8 kg (19 lbs. 6 oz)
MRV-T757 ......................................... 5.2 kg (11 lbs. 7 oz)
MRV-F407 ........................................ 5.3 kg (11 lbs. 10 oz)