GAI-Tronics 701-304 Manuale rapido - Pagina 4
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701-309 Handset/Speaker Amplifier (24 V DC) with Auxiliary Jack
Specifications
Amplifier
Power requirements (24 V dc)
Voltage..................................................................................... 21–28.8 V dc range, 25 V dc nominal
Power consumed: zero/max. signal (12 watts) .............................................................. 2.75W/27 W
Construction/Finish................................................................ 16-gauge cold-rolled steel/gray baked enamel
Handset
Microphone............................................................................................................Dynamic, noise-canceling
Receiver ..........................................................................Dynamic, hearing aid compatible per FCC Part 68
Cable ............................................................................................................Retractile, 6-foot extended PVC
Material.......................................................................................................................................... Gray ABS
External controls..................................................... Push-to-page handset pressbar and handset hookswitch
Handset Amplifier
Output level........................................................................................... 1.5 V
Output limiter..................................................................................................................... 1.5 V
Gain....................................................... 55 dB nominal (below limiter level); adjustable from 40 to 63 dB
Frequency response...................................................... 250–4000 Hz, ±3 dB ref. to 1,000 Hz (below AGC)
Distortion ................................................................................................ 1.5% maximum THD @ 1,000 Hz
Controls...............................................................................Microphone gain, receiver volume and sidetone
Speaker Amplifier
Output ................................................................................ 12 watts minimum with nominal supply voltage
Voltage gain...................................................................................................... 26 dB maximum, adjustable
Frequency response........................................................................... 250–4,000 Hz, ±3 dB ref. to 1,000 Hz
Distortion .................................................................................... 1% maximum THD @ 1,000 Hz, 12 watts
Input impedance........................................................................................................... 50,000 ohms nominal
Controls................................................................................... Speaker volume (adjusted through the access
General
Temperature range ......................................... −22º F to +158º F (−30º C to +70º C), operating and storage
Dimensions ............................................. 8.1 H × 8.1 W × 3 D inches (20.6 × 20.6 × 7.6 cm) behind panel
Shipping weight .....................................................................................................................6.8 lbs. (3.1 kg)
Approvals
NRTL Listed for USA and Canada.......................................................... Class I, Div. 2, Groups A, B, C, D
CE Mark
f:\standard ioms - current release\42004 instr. manuals\42004-423b.doc
10/10
8.1 H × 8.1 W × 3.5 D inches (20.6 × 20.6 × 8.9 cm) front of panel
when used with listed GAI-Tronics 702 or 703 24 V dc series enclosures
listed GAI-Tronics 732, 7325, 733, or 7335 24 V dc series enclosures
nominal into 33-ohm load
RMS
hole behind the nameplate on the front panel)
Class I, Div. 2, Groups A, B, C, D
Class II, Div. 2, Groups F and G;
Class III, Div. 2, when used with
Pub. 42004-423B
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Page:
nominal
RMS