fuse rating:
120a (3 x 40a)
power terminal gauge:
4 GA
dimensions:
15.35” x 8.64“ x 2.56” / 390 mm x 219.5 mm x 65 mm
Design features
Circuit Configuration:
Class a > class ab (bias)
Frequency Response:
10 Hz ~ 30 KHz
Signal to Noise Ratio:
> 95 dB
Input Sensitivity:
8 V ~ 0.1 V
Input impedance:
47 Kohm
Low Pass Crossover:
40 Hz ~ 4 KHz
High Pass Crossover:
40 Hz - 4 KHz
Band pass crossover:
40 Hz - 4 Khz
Total
Harmonic
distortion:
<0.15% (1 Khz)
Specifications
Continious output power (RMS)
(12.5 V < 0.2% THD)
(13.8 V < 0.2% THD) (14.4 v < 1 % thd)
Power
@
4
Ω
: 75 W x 4 100 w x 4
125 w x 4
Power
@
2
Ω
: 135 W x 4
180 w x 4 225 w x 4
Power
@
1
Ω
: 190 W x 4 265 w x 4 325 w x 4
Description of specifications
Stable impedance load of the Ref Four is 1 Ohm stereo or 2 Ohm bridged.
* Speaker overload
* Short circuit
* Input Voltage - RCA & Power Supply
3
Ref Four
Opera�onal voltage 11 V - 15 v.