Thanks to all
@8th Note - the MC7270 is solid state - here are specs - can this keep up?
POWER OUTPUT
STEREO
270 watts minimum sine wave continuous average power output, per channe,l both channels
operating into 1 ohm, 2 ohms, 4 ohms, or 8 ohms load impedance, which is:
16.4 volts RMS across 1 ohm
23.2 volts RMS across 2 ohms
32.9 volts RMS across 4 ohms
46.5 volts RMS across 8 ohms
MONO-BRIDGE
540 watts minimum sine wave cont inuous average power output into 2 ohms, 4 ohms, 8 o hms,
or 16 ohms load impedance, which is:
3 2.9 volts RMS across 2 ohms
46.5 volts RMS across 4 ohms
65 .7 volts RMS across 8 ohms
93.0 volts RMS across 16 ohms OUTPUT LOAD IMPEDANCE STEREO
1 o hm, 2 ohms , 4 ohms, and 8 ohms; separate terminals
are provided for each output. MONO -BRI DGED
2 ohms, 4 ohms, 8 ohms, or 16 ohms, balanced to ground.
RA TED POWER BAND
20 Hz to 20 ,000 Hz
TOTAL HARMONIC DISTORTION
STEREO
0 .0 2% maximum harmonic distortion at any power level from 250 milliwatts to 270 watts per
channel from 20 Hz to 20,000 Hz, both channels operating .
MONO
0.02% maximum harmonic distortion at any power level from 250 milliwatts to 540 watts from
20 Hz to 20,000 Hz.
INTERMODULATION DISTORTION
STEREO
0.02% maximum if instantaneous peak power output is 600 watts or less per channel with both
channels operating for any combination of frequencies, 20 Hz to 20,000 Hz.
MONO
0.02% maximum if instantaneous peak power output is 600 watts or less for any combination of
frequencie s, 20 Hz to 20,000 Hz.
FREQUENCY RESPONSE (AT ONE WATT OUTPUT)
20 Hz to 20,000 Hz + 0 - 0.25 dB.
10 Hz to 100 ,00 Hz + 0 - 2 dB.
NOISE A D HUM
100 dB below rated output.
RATINGS DAMPING FACTOR
Greater than 30
INPUT IMPEDANCE
20,000 ohms.
INPUT SENSITIVITY
Switchable : 0.75 volt or 2.5 volts-level control provided for higher input voltage s.
POWER GUARD
Clipping is prevented and THO does not exceed 2% with up to 20 dB overdrive a 1 kHz.
GENERAL INFORMATION POWER REQUIREMENTS
120 volts 50/60 Hz; 13 amps.
SEMICONDUCTOR COMPLEMENT
79 silicon transistors
31 silicon rectifiers and diodes
7 integrated circuits
MECHA ICAL INFORMATION SIZE
16 3/16 inches wide {41.1 cm) by 7 1/8 inches high (18.1
cm) by 14 1/2 inches deep (36 .8 cm), including connec tors. Knob clearance required is 1 1 /4
inches {3.2 cm) in front of mounting panel.
FIN ISH
The front panel is a combination of glass and black anodized aluminum . The chassis is black.
WEIGHT
82 pounds (37.2 kg) net, 96 pounds {43.5 kg) in shipping
carton .