Difference between revisions of "LS-518"

Revision as of 04:13, 10 December 2013

Power Requirements: Single phase, 24.8 watts @ 0.9p.f. 115 ±6 volts ac @ 60 ± 3Hz., 0.24 amperes nominal.
Heat Dissipation: 75 BTU/HR @ full rated output.
Ambient Operating Temperature: 0°C to 650C.
Relative Humidity: 95% maximum.
Output: 3 watts @ 5% maximum THD (70 volts rms into 1667 ohms).
Input Sensitivity: 8.7mv into 150 ohm for mic or handset. 4mv into 16 ohm for speaker input.
Amplifier Gain: 78dB voltage gain @ 1,000z. (mic input).
Amplifier Frequency Response: 400 to 5,000Hz ±2dB.
Rated Loudspeaker Output; (1,000 Hz): 99dB SPL (Ref. 0.0002 dynes/cm2) @ 2 ft. from front panel.
Rated Loudspeaker Input, when used as a microphone (1,000 Hz)

:86dB SPL (Ref. 0.0002 dynes/cm2) @ plane of front panel.

OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

INTERCOMMUNICATION STATIONS

LS-518A/SIC (NSN 5830-01-018-1202)

LS-519A/SIC (NSN 5830-01-020-6280)

TEST SET, INTERCOMMUNICATION

TS-3990/SIC (NSN 6625-01-126-4886)

28 JUNE 1983

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 [[File:LS-519-1.png|400px]]
+==Technical Details==
+;Power Requirements
+:Single phase, 24.8 watts @ 0.9p.f. 115 ±6 volts ac @ 60 ± 3Hz., 0.24 amperes nominal.
+;Heat Dissipation
+:75 BTU/HR @ full rated output.
+;Ambient Operating Temperature
+:0°C to 650C.
+;Relative Humidity
+:95% maximum.
+;Output
+:3 watts @ 5% maximum THD (70 volts rms into 1667 ohms).
+;Input Sensitivity
+:8.7mv into 150 ohm for mic or handset. 4mv into 16 ohm for speaker input.
+;Amplifier Gain
+:78dB voltage gain @ 1,000z. (mic input).
+;Amplifier Frequency Response
+:400 to 5,000Hz ±2dB.
+;Rated Loudspeaker Output; (1,000 Hz)
+:99dB SPL (Ref. 0.0002 dynes/cm2) @ 2 ft. from front panel.
+;Rated Loudspeaker Input, when used as a microphone (1,000 Hz)
+:86dB SPL (Ref. 0.0002 dynes/cm2) @ plane of front panel.