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SPECIFICATIONS: PUNCH 75 MOSFET
POWER RATINGS:
37.5 Watts per channel continuous power, both channels driven into 4 Ohms from
4-Ohms:
20 to 20,000 Hertz, with less than 0.05% THD+N
(Total Harmonic Distortion plus Noise).
4-Ohms:
60 Watts per channel continuous power, both channels driven into 4 Ohms at
1000 Hertz, with less than 10% lHD+N.
60 Watts per channel continuous power, both channels driven into 2 Ohms from
2-Ohms:
20 to 20,000 Hertz with less than 0.10% THD+N.
Frequency response: 20 to 20,000 Hertz ± 1 .O dB
Bandwidth: 15 to 100,000 Hertz ± 3 dB
Damping
Factor:
At circuit board: Over 200 (referred to 4 Ohms).
At speaker lead: Over 50 (referred to 4 Ohms).
Signal to noise ratio: Over 80 dB, unweighted.
Slew factor: over 5
IM Distortion (IHF): Less than 0.05%
Input Gain: Variable from 40 dBV to 14 dBV. Factory pre-set at 28 dBV
(correct for most 500 millivolt-rated source units).
EQUALIZATION:
Bass Boost: 0 to +18 dB Maximum at 45 Hertz.
Treble Boost: 0 to +12 dB Maximum at 20,000 Hertz.
PROTECTION:
The Punch 75 MOSFET is protected by two 5-Ampere speaker-line fuses and by a 15 Ampere battery fuse.
A thermal switch shuts down the amplifier in case of overheating. Internal circuitry limits power in case of
o v e r l o a d .
DIMENSIONS:
7.6" long by 8.6" wide by 2.2" high, exclusive of knobs and wiring.
(193mm long by 218mm wide by 56mm high)
NOTE: Specifications subject to change without notice.
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