GAI-Tronics 701-305 Handset/Speaker Amplifier (CE Mark) - Manual (Page 5)

Pub. 42004-365D
Model 701-305 Handset/Speaker Amplifier Page 5 of 5
f:\standard ioms - current release\42004 instr. manuals\42004-365d.doc
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Specifications
Amplifier
Power requirements
Voltage .................................................................... 90–140 V ac range, 50/60 Hz, 120 V ac nominal
Power consumed: Zero/max. signal (12 watts) ................................ 10.5 VA, 5.3 W/58 VA, 29.5 W
Construction/Finish................................................................ 16-gauge cold-rolled steel/gray baked enamel
Handset
Microphone ........................................................................................................... Dynamic, noise-canceling
Receiver .................................................................................................... Dynamic, hearing aid compatible
Cable ...................................................................................................... Retractile, 6-foot extended Hytrel
®
Material ......................................................................................................................................... Gray ABS
External controls .................................................... Push-to-page handset pressbar and handset hookswitch
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..................................................... 250–4000 Hz, +0/−3 dB ref. to 1 kHz (below AGC)
Distortion ..................................................................................................... 1.5% maximum THD @ 1 kHz
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, +0/−3 dB ref. to 1 kHz
Distortion ......................................................................................... 1% maximum THD @ 1 kHz, 12 watts
Input impedance .......................................................................................................... 50,000 ohms nominal
Controls .................................................................................. Speaker volume (adjusted through the access
hole behind the nameplate on the front panel)
General
Temperature range ......................................... −22º F to +158º F (−30º C to +70º C), operating and storage
Dimensions ............................................ 8.1 H
 8.1 W  3.0 D inches (206  206  76 mm) behind panel
8.1 H  8.1 W  3.5 D inches (206  206  89 mm) front of panel
Shipping weight ..................................................................................................................... 6.8 lbs. (3.1 kg)
Approvals
NRTL listed ............................................................................................ Class I, Div. 2, Groups A, B, C, D;
Class II, Div. 2, Groups F, G;
Class III, Div. 2
Class I, Zone 2, Group IIC, Class II, Zone 22
when used with listed 702-006, 703-006, 703-007,
7325-106, or 7325-107 Enclosure
CE Mark
Replacement Parts
Contact GAI-Tronics for replacement part information.