Specifications

390
Audio/Video - Amplifiers & Accessories
Digitally Matrixed Pre-Amp
Three pre-amp level outputs, both balanced and unbal-
anced. Ground Lift switch.
Part # PM3000
Gold Seal Series Amplifiers
Seven inputs: 4 MIC (Lo-Z), 1 AUX (Hi-Z), 1
MIC/TEL, 1 MIC/AUX. 4-ohm, 8-ohm, 25V, 25VCT
and 70V outputs. Dual-function, 10-band graphic
equalizer (acoustic EQ/feedback control). Aphex® Aural Exciter for improved
intelligibility. Automatic level control. Switchable phantom power supply. Variable
Aux input muting. Remote master volume control capability. Input muting via
contact on all inputs. Voice-activated Aux muting on Tel input. Aux fade back
after Tel page. Pre-amp out/power amp in connections. Booster amp output
connection. Tape output connection. Low-cut filter for Mic channels. Thermal and
overload protection. Three-speed cooling fan (GS250 only). Rack-mountable
with accessory mounting kit (2 rack spaces). UL and CSA Listed.
Part # Wattages
GS100 100
GS150 150
GS250 250
GS35 35
GS60 60
Accessories
Part # Description Dimensions
GSRVC Gold Seal Amps - Remote Volume
Control
2 3/4" x 4 1/2" x 1 3/8"
GSTRC Gold Seal Amps - Security Cover 14 3/4" x 3 1/2" x 1"
PVSC Power Vector Amps - Security
Cover
15 1/2" x 3 1/8" x 1/2"
RVCP Power Vector Amps - Remote
Volume Control
1 3/4" x 4"
Pro-Matrix Series
(cont.)
Classic Series Amplifiers
Provides mixing of microphones, telephone and auxiliary
sources. Output jacks allow a tape recorder or an addi-
tional booster amplifier to be connected. AUX muting with
external contact closure or automatic with TEL. Screw ter-
minal connection for microphones. Thermal protection and electronic shutdown.
User friendly controls. Rack-mountable with accessory mounting kit (2 rack
spaces). UL and CSA Listed.
Three inputs: 1 MIC (Lo-Z), 1 TEL, plus 1 selectable MIC or AUX. MOH output:
600-ohm @ 1V, 8-ohm @ 1W, and output level control. No paging heard on
MOH output.
Part # Description
C10MOH 10 watts with built-in MOH (music-on-hold) outputs
C10 10 watts
C20MOH 20 watts with built-in MOH (music-on-hold) outputs
Four inputs: 1 MIC (Lo-Z), 1 AUX (Hi-Z), 1 TEL, plus 1 selectable MIC or AUX.
Output jack to connect a tape recorder or booster amplifier.
Part # Description
C100 100 watts
C35 35 watts
C60 60 watts
C20 20 watts
Compact Utility Amplifier
Rugged, compact amplifier designed to meet the require-
ments of continuous low-power audio applications, especially
telephone line "music-on-hold" amplification; to drive monitor
speakers, headphones; or as a line amplifier. 1.5 watt. One
input: AUX (Hi-Z). 8-ohm or 600-ohm outputs. 200 Hz - 15 kHz frequency
response. Sensitivity is 50 mV. 120V AC operation. 4W power consumption. 5
1/2 foot AC power cord included. Wall-mountable design. UL Listed.
Part # GA2
Dual-Input Utility Amplifier
Dual-input amplifier with a wide variety of smaller
applications including background music, relaying
communications from one room to another, or sound
reinforcement. 6-watts. Two inputs: 1 MIC (Lo-Z), 1
AUX (Hi-Z). 8-ohm, 25V or 70V outputs. 30 Hz - 12 kHz frequency response.
Sensitivity is .3 mV, mic; .2V, Aux. Thermal and over-current circuit breakers.
Internally adjustable tone control. 16W power consumption.
Part # GA6A
Power Amplifiers
Safely drive loads continuously at full (RMS) power,
in ambient temperatures of up to 120°F. Overload
protection includes an electronic shutdown circuit and
a thermal breaker. Convection-cooled. Power MOS-
FET output circuitry. Hi-Z unbalanced and Lo-Z bal-
anced or unbalanced input with accessory transformer (TL600). Internal lo-cut
filter switch. 90 dB signal-to-noise. Input sensitivity: Hi-Z, 500 mV; Lo-Z, 100 mV
(HTA125A), 150 mV (HTA250A). 4- and 8-ohm, 25V and 70V outputs. Line
bridging (driving multiple amplifiers) is possible with an accessory transformer
(TL100). 19" rack-mount design (3 rack spaces).
Part # Watts Power Consumption
HTA125A 125 260W
HTA250A 250 520W
A highly versatile, high-power performer; delivering 250
watts of power with battery backup capability. One
input: Hi-Z unbalanced. Lo-Z balanced input with
accessory transformer. 8-ohm, 25V, 25VCT, 70V and 100V outputs. Operates
from 120V/240V AC or 24V back-up battery (not included). Battery-saver circuit
reduces ideal current. Sensitivity is 1 volt @ full rated power, Hi-Z; 70-200mV,
Lo-Z. Protection against line surges, overloads and abnormal heat build-up. AC
power consumption is 650 watts, full power; 30 watts, standby. LED overload
shutdown and illuminated power indicators. Lo-cut filter switch and input level
control. Rack-mountable (3 rack spaces). UL Listed.
Part # MT250D
Supplies 60 watts of power amplification for profes-
sional and commercial sound systems requiring con-
tinuous high-quality sound. One input: Hi-Z unbal-
anced. Lo-Z balanced input with accessory trans-
former. Input level control and low-cut filter switch. 8-ohm/25V, 16-ohm, 25VCT
and 70V outputs. Sensitivity is 300mV, Hi-Z; 75mV, Lo-Z. Resettable circuit
breaker and thermal protection. Operates with 25V and 70V systems. 120V
AC, 60 Hz, 180W @ full rated output. Rack-mountable with accessory mounting
kit: RPK53 (2 rack spaces). UL and CSA Listed.
Part # BPA60