GAI-Tronics 670-001 Manual - Página 6

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Model 670-001 Explosion-proof Speaker Station

Specifications

Power input ....................................................90–140 V ac; 120 V ac nominal, 50–60 Hz; 0.5A maximum

Dimensions .............................................................13.1 H × 7.9 W × 5.6 D inches (332 × 200 × 143 mm)

Temperature range............................................................................ -22 °F to +158 °F (-30 °C to +70 °C)

Shipping weight ............................................................................................................... 27 lbs. (12.2 kg)

Speaker Amplifier

Output.................................................................... @ 120 V ac: 12 watt minimum into 8- or 16-ohm load

Voltage gain ....................................................................................................20 dB minimum, adjustable

Frequency response ......................................................................... 250–4,000 Hz., +0/-3 dB ref @ 1 kHz

Distortion .........................................................................................1% maximum THD @ 1 kHz/12 watt

Input impedance ...................................................................................... 50,000 ohm, minimum @ 1 kHz

Controls ........................................................................................................................... Speaker volume

Enclosure

Material/finish................................................................................................... No. 359.2 aluminum alloy

Mounting ...................................................................Wall or column, four 3/8-inch slotted mounting feet

Connections .............................................................................Internal screw-type barrier terminal blocks

Conduit entries ..................................................................................................Standard top: ¾-inch NPT

Approvals

NRTL certified for use in US and Canada for the following locations: ............Class I, Div. 1, Groups C, D

Part No.

12604-001

61514-004

12542-001

69488-105

69489-001

12571-001

\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-161d.doc

03/04

Description

Fuse, Slow, 0.7 amp (10 pack)

Harness Assembly

Replacement Front Cover Bolts (14 pack)

PCBA, Speaker Amplifier

PCBA, Termination

Maintenance Cover Kit

Pub. 42004-161D

Page: 6 of 8

Standard bottom: 1.5-inches NPT

Optional bottom: 2-inch NPT

Class II, Div. 1, Groups E, F, G

Class III, Div. 1