RTS LKP-957 Stereo Amplifier User Manual


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LKP-957 Specications
Speaker/Headset Amplier
Audio Input Level (1kHz)
Input (from matrix): +8 dBu
Input Adjustment Range (for rated output): -2 to +14 dBu
Audio Output Level (1kHz)
Loudspeaker Output: 3 Watts, 8Ω
Headset Output: 500 mW, 8Ω
Frequency Response: 200 Hz to 7kHz, ±1 dB
Total Harmonic Distortion (THD): Less than 0.25% at full output, 200 Hz to 10kHz
Signal to Noise Ratio: 90 dB
Audio Volume Control Range: 30 dB
Common Mode Rejection: 60 dB, 120 Hz
Power Supply
Power Entry Module: CSA/UL/CE approved, with on/off switch and safety interlock fuse holder (prevents fuse removal
while power cord is plugged in).
AC Primary
115 VAC 10%, 50/60 Hz
230 VAC 10%, (Factory Option)
AC Power Rating: 30 Va
AC Fuse Rating
115 VAC: 6/10 Amp
230 VAC: ¼ Amp
Mechanical
Dimensions: 1¾” (44 mm) high, 19” (483 mm) wide, 7” (178 mm) deep
Weight: 9 lbs (4 kg)
Connector Pin Congurations
Headset Connector Type: DB-9
Serial Communication
Data: Single Pair, half duplex RS-422 Serial 9,600; 76,800 DPS
Ordering Information
LKP-957
Listen-Only Keypanel
Catalog Number: 90007470117
This specications information is preliminary and is subject to change without notication.
Brand names mentioned are the property of their respective companies.
Contact Information
Telex Communications, Inc.
12000 Portland Avenue South
Burnsville, Minnesota 55337
Telephone: 877·863·4169
Fax: 800·955·6831
Form Number: LIT000039000
Date: April, 2006
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