Inter-m PA-920 Operating Manual
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Inter-m PA-920 Operating Manual

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OPERATING MANUAL
P
O
W
E
R
AMPLIFIER
PA-920/935

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Summary of Contents for Inter-m PA-920

  • Page 1 OPERATING MANUAL AMPLIFIER PA-920/935...

  • Page 2: Unpacking And Installation

    UNPACKING AND INSTALLATION Although it is neither complicated to install nor difficult to operate your amplifier, a few minutes of your time is required to read this manual for properly wired installation and becoming familiar with its many features and how to use them.
  • Page 3 FEATURES • VERSATILE AND CONVENIENT 3 channels of input signals from MIC1, MIC2/AUX1 and MIC3/AUX2 are provided, and Bass and Treble are incorporated for versatile and convenient use. MIC, AUX input have PL55 phone jack and Telephone IN input have screw terminal.

  • Page 4: Front Panel Controls

    FRONT PANEL CONTROLS PA-935 AMPLIFIER MASTER VOLUME POWER ON MIC 1 MIC 2/AUX 1 MIC 3/AUX2 BASS TREBLE POWER 1. POWER SWITCH Pressing this switch to ON will make the power indication LED ON and supply the power to this unit. 2.

  • Page 5: Rear Panel Controls

    This fuse holder contain AC fuse, replace only with same type fuse when it is blown out. If it continuously blow, stop replacing fuse and refer servicing to qualified personnel. Voltage AC 220V/240V PA-920 Fuse Rating 0.5A/250V PA-935 Fuse Rating 1A/250V 3.
  • Page 6 6. MUTE CONTROL When the other signal is muted by Mic 1 and Telephone paging, this control is used for adjusting the muting level. 7. MIC 2/AUX 1 SELECTOR SWITCH This switch is used to select MIC 2 or AUX 1. 8.

  • Page 7: Installation Of The Speakers

    When you connect the speaker, remove the power cord from AC outlet. And use the suitable terminals connecting way as belows. Be sure that total impedance is not less than rated impedance. • AC VOLTAGE: 220V–240V ONLY PA-920 8.9V 12.65V...
  • Page 8 CONNECTIONS SPEAKERS EARTH INPUT OUTPUT FUSE MIC3 MIC2 MIC1 T1AL/250V BALANCED 100V INPUT ~AC INPUT AUX 2 MIC 3 AUX 1 MIC 2 T / P 230V 50Hz,72W TEL/MUTE MIC1/MUTE AUX 1 AUX 2 STEREO MIXED BALANCED MODEL:PA-935 AMPLIFIER TUNER TELEPHONE EXCHANGE SYSTEM CASSETTE DECK...

  • Page 9: Schematic Diagram (Pa-920)

    SCHEMATIC DIAGRAM (PA-920)

  • Page 10: Schematic Diagram (Pa-935)

    SCHEMATIC DIAGRAM (PA-935)

  • Page 11: Specifications

    1 1 0 0 SPECIFICATIONS PA-920 ELECTRICAL • Rated Output Power (at THD: 10%)....................20W (RMS) 4 /8.9V, 8 /12.8V, 245 /70V, 500 /100V • Frequency Response.......................150Hz to 15KHz • Total Harmonic Distortion......................Less than 0.5% • Tone Control Effect...........................±10dB • Signal to Noise Ratio ......................Better than 60dB •...
  • Page 12 MADE IN KOREA NO: 9007931102A...

This manual is also suitable for:

Pa-935

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