Service manual

PM300 SERIES SPECIFICATIONS
Amplifier Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
All silicon transistor power amplifier
Power Output . . . . . . . . . . . . . . . . .
100 watts continuous (RMS) to 8 ohm load (see Figure 3, Page 4)
Voltage Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 db (8 ohm load)
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.0 volt (8 ohm load, full rated output)
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±0.3 db, 100 Hz. to 10,000 Hz. (typical)
±1.5 db, 35 Hz. to 25,000 Hz. (typical)
lnput lmpedance ............................................................. 40,000 ohms
Distortion............................................ 5% maximum at rated output at 1 KHz.
Hum and Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 db below rated output
Speaker Load Impedance . . . . . . . . . .
Nominal 8 ohms (Operational 5.3 ohms minimum, see Page 4)
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
178 mm height x 429 mm width x 229 mm depth
(7 in. x 16-7/8 in. x 9 in.)
Weight: PM300
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 kg (22 lb)
PM300E and PM300E6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.45 kg (23 lb)
Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gray, black and bright metal
Ambient Temperature Range . . . . . . . . . . . . . .
-7° C. to 43° C. (20° F. to 110° F.) without derating
Power Supply: PM300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 volts, 60 Hz.
PM300E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120/240 volts, 50/60 Hz.
PM300E6 . . . . . . . . . .
100, 120, 140, 200, 220, or 240 volts, 50/60 Hz. switch selectable
Power Consumption . . . . . . . . . . . . . . . .40 watts with no signal; 160 watts with 1 KHz. signal and 100
watts output. 400 watts maximum.