GAI-Tronics 723-003 24 V DC Remote Handset/Speaker Amplifier - Manual (Page 5)

Pub. 42004-259E
Model 723-003 24 V DC Remote Handset/Speaker Amplifier Page 5 of 6
f:\standard ioms - current release\42004 instr. manuals\42004-259e.doc
04/13
Specifications
Power input, voltage .......................................................................... 21–28.8 V dc range, 25 V dc nominal
Power consumed ............................................................................................................ Zero signal: 2.75 W
Maximum signal: 27 W
Construction/Finish................................................................ 16-gauge cold-rolled steel/gray polyurethane
Handset Amplifier
Output level .................................................................................... 1.5 V
RMS
nominal into 33-ohm load
Output limiter .............................................................................................................. 1.5 V
RMS
nominal
Gain ................................................ 55 dB nominal (below limiter level); adjustable from 40 to 63 dB
Frequency response .................................................................... 250–4,000 Hz, +0\–3 dB ref. @ 1 kHz
Distortion ............................................................................................... 1.5% maximum THD @ 1 kHz
Controls ...................................................................... Microphone gain, receiver volume, and sidetone
(adjusted through the access holes on the rear surface of the unit.)
Speaker Amplifier
Output ........................................................................................ Push-pull, Class B, 12 watts minimum,
with nominal supply voltage
Amplifier sensitivity ......................................................................................... 0.5 V ac, at rated output
Frequency response .................................................................... 250–4,000 Hz, +0/–3 dB ref. @ 1 kHz
Distortion .................................................................................................. 1% maximum THD @ 1 kHz
Input impedance ................................................................................................... 50,000 ohms nominal
Controls ............................................................................ Speaker volume (adjusted through an access
hole behind the nameplate on the front panel)
Temperature range ...................................................................... −22  F to +158 F (−30 C to +70 C)
Dimensions ........................................ 8.1 H  8.1 W  3.0 D inches behind panel (3.5 D in front of panel)
(206  206  76 [89] mm)
Shipping weight .................................................................................................................... 5.6 lbs. (2.6 kg)
Approvals
NRTL certified for use in US and Canada.............................................. Class I, Div. 2, Groups A, B, C, D,
when mounted into a certified GAI-Tronics Model 7245 Amplifier Enclosure
Temperature Code..................................................................................... T3C (Maximum ambient = 70º C)
CE Mark