Hubbell 723-001 specifications Specifications, Handset Amplifier

	Pub. 42004-145C
Model 723-001 Remote Handset/Speaker Amplifier	Page: 5 of 6

Specifications

Power input			90-140 V ac range, 50/60 Hz, 120 V ac nominal
Power consumed			Zero signal: 10.5 VA, 5.3 W
			Maximum signal: 58 VA, 29.5 W
Construction/Finish		16-gauge cold-rolled steel/gray polyurethane enamel
Handset Amplifier
Output level	....................................................................................		1.5 VRMS nominal into 33-ohm load
Output limiter			1.5 VRMS nominal
Gain		55 dB nominal (below limiter level); adjustable from 40 to 63 dB
Frequency response		250-4,000 Hz, +0/-3 dB ref. to 1 kHz (below AGC)
Distortion			1.5% maximum THD @ 1,000 Hz
Controls			Microphone gain, receiver volume, and sidetone
		(adjusted through the access holes on rear surface of unit)
Speaker Amplifier
Output		Push-pull, Class B, 12 watts min., with nominal supply voltage
Amplifier sensitivity			0.5 V ac, at rated output
Frequency response			250-4,000 Hz, +0/-3 dB ref. to 1 kHz
Distortion			1% max. THD @ 1,000 Hz, 12 watts
Input impedance			50,000 ohms nominal
Controls		Speaker volume (adjusted through the access hole
			behind nameplate on the front panel)
Temperature range			-22º F to +158º F (-30º C to +70º C)
Dimensions		8.1 H ⋅ 8.1 W ⋅ 3 D inches (206 ⋅ 206 ⋅ 76 mm) behind panel/
			3.5 D inches (89 mm) in front of panel
Shipping weight	.................................................................................................................		5.6 lbs. (2.6 kg)
Approval	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

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