Shure PM300E6, PM300, PM300E User Manual
PM300 SERIES
OPERATING AND SERVICE MANUAL
Manufactured by
SHURE BROTHERS INC.
222 Hartrey Avenue
Evanston, Illinois 60204 U.S.A.
Copyright 1978, Shure Brothers Inc.
AL 407 (RE) 27A822
Printed in U.S.A.
PM300 SERIES SPECIFICATIONS
Amplifier Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Output . . . . . . . . . . . . . . . . .
Voltage Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 db (8 ohm load)
Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Weight: PM300
PM300E and PM300E6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.45 kg (23 lb)
Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gray, black and bright metal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 kg (22 lb)
. . . . . . . . . .
100 watts continuous (RMS) to 8 ohm load (see Figure 3, Page 4)
Nominal 8 ohms (Operational 5.3 ohms minimum, see Page 4)
178 mm height x 429 mm width x 229 mm depth
All silicon transistor power amplifier
1.0 volt (8 ohm load, full rated output)
±0.3 db, 100 Hz. to 10,000 Hz. (typical)
±1.5 db, 35 Hz. to 25,000 Hz. (typical)
(7 in. x 16-7/8 in. x 9 in.)
Ambient Temperature Range
Power Supply: PM300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 volts, 60 Hz.
PM300E
PM300E6
Power Consumption . . . . . . . . . . . . . . . .40 watts with no signal; 160 watts with 1 KHz. signal and 100
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120/240 volts, 50/60 Hz.
. . . . . . . . . .
100, 120, 140, 200, 220, or 240 volts, 50/60 Hz. switch selectable
-7° C. to 43° C. (20° F. to 110° F.) without derating
watts output. 400 watts maximum.
FIGURE 1.
2
FIGURE 2.
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