Specifications
GM-A6704
Power source ............................. 14.4 V DC (10.8 V to 15.1 V
allowable)
Grounding system ................... Negative type
Current consumption ............ 31 A (at continuous power,
4
W
)
Average current consumption
..................................................... 8.5 A (4
W
for four channels)
14 A (4
W
for two channels)
Fuse ................................................ 25 A × 2
Dimensions (W × H × D) ... 356 mm × 60 mm ×
215 mm
Weight .......................................... 2.2 kg (Leads for wiring not
included)
Maximum power output ....... 170 W × 4 (4
W
) / 250 W × 4
(2
W
) / 1000 W TOTAL
(BRIDGE)
Continuous power output ... 60 W × 4 (at 14.4 V, 4
W
,
20 Hz to 20 kHz
≦
1 % THD
+N)
190 W × 2 (at 14.4 V, 4
W
BRIDGE 1 kHz,
≦
1 % THD
+N)
95 W × 4 (at 14.4 V, 2
W
,
1 kHz,
≦
1 % THD+N)
Load impedance ...................... 4
W
(2
W
to 8
W
allowable)
Frequency response ............... 10 Hz to 70 kHz (+0 dB,
–
3 dB)
Signal-to-noise ratio ............... 95 dB (IEC-A network)
Distortion ..................................... 0.05 % (10 W, 1 kHz)
Low pass filter:
(A ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
(B ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
High pass filter:
(A ch)
Cut off frequency ........... 40 Hz to 500 Hz
Cut off slope .....................
–
12 dB/oct
(B ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
Bass boost:
Frequency .......................... 50 Hz
Level ..................................... 0 dB/6 dB/12 dB
Gain control:
RCA ...................................... 0.3 V to 6.5 V
Speaker .............................. 3.0 V to 26 V
Maximum input level / impedance:
RCA ...................................... 6.5 V / 22 k
W
Speaker .............................. 26 V / 16 k
W
GM-A4704
Power source ............................. 14.4 V DC (10.8 V to 15.1 V
allowable)
Grounding system ................... Negative type
Current consumption ............ 20.5 A (at continuous power,
4
W
)
Average current consumption
..................................................... 5.5 A (4
W
for four channels)
8.5 A (4
W
for two channels)
Fuse ................................................ 30 A × 1
Dimensions (W × H × D) ... 326 mm × 60 mm ×
215 mm
Weight .......................................... 2.0 kg (Leads for wiring not
included)
Maximum power output ....... 80 W × 4 (4
W
) / 130 W × 4
(2
W
) / 520 W TOTAL
(BRIDGE)
Continuous power output ... 40 W × 4 (at 14.4 V, 4
W
,
20 Hz to 20 kHz
≦
1 % THD
+N)
130 W × 2 (at 14.4 V, 4
W
BRIDGE 1 kHz,
≦
1 % THD
+N)
65 W × 4 (at 14.4 V, 2
W
,
1 kHz,
≦
1 % THD+N)
Load impedance ...................... 4
W
(2
W
to 8
W
allowable)
Frequency response ............... 10 Hz to 70 Hz (+0 dB,
–
3 dB)
Signal-to-noise ratio ............... 94 dB (IEC-A network)
Distortion ..................................... 0.05 % (10 W, 1 kHz)
Low pass filter:
(A ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
(B ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
High pass filter:
(A ch)
Cut off frequency ........... 40 Hz to 500 Hz
Cut off slope .....................
–
12 dB/oct
(B ch)
Cut off frequency ........... 80 Hz
Cut off slope .....................
–
12 dB/oct
Gain control:
RCA ...................................... 0.3 V to 6.5 V
Speaker .............................. 3.0 V to 26 V
Maximum input level / impedance:
RCA ...................................... 6.5 V / 22 k
W
Speaker .............................. 26 V / 16 k
W
Notes
!
Specifications and the design are subject to
modifications without notice.
!
The average current consumption is nearly
the maximum current consumption by this
unit when an audio signal is input. Use this
value when working out total current con-
sumption by multiple power amplifiers.
En
Additional information
5707000011280S <16>
