Operating Manual - MFA-8000 and MFA-6000 Power Amplifier
16
13.
SPECIFICATIONS
13.1
Output Power
Per channel, both channels driven at 1KHz, < .1%
THD, 120VAC 60Hz
MFA-8000
MFA-6000
8
Ω
:
750W
525W
4
Ω
:
1200W
800W
2
Ω
:
1500W
900W
bridged mono mode
8
Ω
:
2400W
1600W
4
Ω
:
3000W
1800W (
±
1dB)
per channel from 20Hz to 12KHz*, < .25% THD
8
Ω
:
720W
450W
4
Ω
:
1100W
700W
13.2
Frequency Response:
±
0.2dB 20Hz - 20KHz
+0/-3dB 8Hz - 100KHz
13.3
Total Harmonic Distortion:
< 0.025%
(720W [450W for MFA-6000] into 8
Ω
, 20Hz -
1KHz, increasing to < .25% at 12KHz)
13.4
Output Hum And Noise:
-105 dB from full output
(20Hz - 20KHz unweighted)
13.5
Damping Factor:
> 200 into 8
Ω
, 20Hz - 1KHz
13.6
Crosstalk:
-90dB, 20Hz - 1KHz
13.7
Input Sensitivity:
1 Vrms for full output (MFA-8000)
0.81 Vrms for full output (MFA-6000)
13.8
Voltage Gain:
80
×
= 38dB
13.9
Input Impedance:
20K
Ω
balanced
13.10
Amplifier Protection:
Fuseless Short-circuit protection, ultrasonic and
RF protection, advanced thermal protection.
13.11
Load Protection:
Turn-on delay relay with level ramp-up, DC fault
protection, ultrasonic limiting, clip limiting.
13.12
Cooling:
Forced air with 2-speed fan.
13.13
Indicators:
11 segment level meters with true clipping top
LED. LIMIT LED indicates when electronic
attenuator is active, THERM LED indicates a
higher than normal operating temperature and
PROTECT LED indicates when output relay is
open.
13.14
Power Requirements:
120 VAC, 50-60 Hz (240VAC available)
Maximum current draw for typical stereo
operation into 4
Ω
loads:
MFA-8000
MFA-6000
12 amps
10 amps
Idle current draw:
1.2 Amps
1 Amp
13.15
Size:
19"W x 5.25"H x 16.5"D
13.16
Shipping Weight:
68lbs. (61lbs.)
*Protection circuits will prevent full output
voltage above 12KHz.
