Aiphone BX-1200 User Manual
0AIPHONE
BX-NOO-I 0186
BX SERIES MIXER AMPLIFIER
MODEL: BX-300 (30 watt), BX-600 (60 watt), BX-1200 (120 watt)
-INSTRUCTIONS-
The BX series Mixer Amplifiers, BX-300, -600, -1200 are designed for years of trouble-free use in diverse
commercial and industrial applications. They incorporate the necessary features and functions needed
for use in paging, announcing, intercommunication and background music systems in conjunction with
Aiphone or other communication systems.
Overload protection circuitry prevents damage from either open or short speaker circuits with an attrac
tive LED Peak Meter for visual output monitoring.
A switchable Manual/Automatic Music Muting Circuit offers an adjustable music muting level for back
ground music systems.
(
TLvfVT ■ ■■
( FEATURE^
* Output Overload Protection Circuitry.
* Attractive LED Peak Meter.
* Convenient volume controls including a Master volume control and individual volume controls.
* Individual Bass and Treble tone controls.
* Unique Automatic Music Muting circuit permits adjusting the muting level. (Switchable to manual
muting}.
* 19" rack mountable with handles.
* Frequency response: 50Hz — 15KHz ±1dB.
* Low distortion; Less than 1 % THD at rated output.
* Professional appearance.
* *
WARNING; TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE.
_ 1
SPECIFICATIONS
)
Models and Output Power
Frequency Response:
Distortion;
Inputs;
BX-300 . . .
Mic-1
Mic-2
Mic-3
Phone
AUX
Phono
....................Six inputs, Four Channels
8X-300 30 watt rnns. at 1 KHz, AC-120 volt
8X-600 60 watt rms. at 1 KHz, AC*120 volt
BX-1200 120 watt rms. at 1 KHz, AC-1 20 volt
50 - 15,000 Hz ± 1dB
Less than 1 % THD at 1 KHz, rated output
Sensitivity
3mV (-50dB) 20K ohm (unbal.)
0.5mV(-66dB) 600 ohm (balanced)
0.5mV(-66dB) 600 ohm (balanced)“
138mV (-17dB)
lOOmV {-20dB)
2.5mV (-52dB)
Impedance
600 ohm (unbal.)
250Kohm (unbal.)—
50Kohm (unbal.)
Selective inputs
-------
Selective inputs
--------
BX-600,-1200
Mic~1
Mic-2 0.5mV(-66dB)
Mic-3
Mic-4 0.5mV(-66dB)
Phone
AUX-1 100mV (-20dB) 250K ohm (unbal.)
AUX-2 lOOmV (-20dB)
Phono
Outputs:
Noise Level:
Master volume control at "0"
Microphone
Auxiliary..............................................................74dB below rated output
..........................
Sensitivity impedance
3mV (-50dB) 20K ohm (unbal.)
0.5mV(-66dB) 600 ohm (balanced)
138mV (-17dB)
2.5mV (-52dB) 50Kohm (unbal.)—
........................................................
Eight inputs. Six Channels
600 ohm (balanced)
600 ohm (balanced)600 ohm (unbal.)
250K ohm (unbal.)-
4, 8, 16 ohms, 25,70.7 volts balanced
Line output {1v/600ohm)
..............................
80dB below rated output
60dB below rated output
Selective inputs
-2 ™
Tone Controls:
Bass..................................................................................± lOdB at 100Hz
Treble
.........................................................
.....................
± lOdB at 10K Hz
)
Indicators:
1-Power Lamp (LED), 1-Overtoad Lamp (LED)
1-Peak indicator (10 LEDs -20, -18, -15, -12, -9, -6, -3, 0,+'i,+36B)
Protection:
AC tine fuse (Primary AC circuit)
Overload protection circuitry (Built-in)
Music Muting Level:
-3 to -40dB adjustable
Connections:
Inputs:
Mic-1
...................................................................
Mic-2
...............
Mic-3,4...............................................................................Screw terminals
Aux, Aux-1,2.....................................................................RCA Phono jacks
Phone
................................................................................
Phono
...............................................................................
Canon XLR {or Switchcraft C3F) (only BX-600,-1200)
Phone jack (front pane!)
Screw terminals
RCA Phono jack
Outputs:
4, 8, 16 ohm ......................................................................Screw terminals
25, 70.7 volt.......................................................................Screw terminals
Line output.........................................................................RCA Phono jack
Others:
Manual Muting
DC 13.2 volt input
AC 120 volt output
Power Supply;
Power Consumption:
...................................................................Screw terminals
.....................................
.................
110- 120V AC, 50/60HZ
13.2V/6.6A DC {only BX-300)
BX-300
BX-600
BX-1200
2 prong AC outlet {unswitched, 100 watt)
Screw terminals (only BX-300)
No signal
18W
26W
32W
Rated output
155W
190W
370W
Ambient Temperature Range:
14“F to 140"F (-10"Cto 60°C)
Dimensions (W x H x D):
BX-300 19" X 3/2" X 10-9/16" (482m/m x 88m/m x 268m/m)
BX-600 19" X 5-4/16" X 10-9/16" (482m/m x 132m/m x 268m/m)
BX-1200 19" X 5-4/16" X 10-9/16" (482m/m x 132m/m x 268m/m)
Weight:
BX-300 17.8tbs (8.1 kg)
BX-1200 31.9lbs (14.5 kg)
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
(^ N AM ES/FUNCTIQNS)
BX-600 25.5lbs(11.6 kg)
BX-300:
1} Power Switch
2) Power Indicator (LED)
3) Overload Indicator (LED)
4) MIC-1 Input Phone Jack
5) Bass Tone Control
6) Treble Tone Control
7) AUX/PHONO Select Switch
8) Peak Indicator (LED)
9) MiC-1 Volume Control
10) iVllC-2 Volume Control
11) M1C-3/PHONE Volume Control
12) AUX/PHONO Volume Control
13) MASTER Volume Control
14) GROUND Terminal
15) MlC-3 Input Terminals
16) MlC-2 Input Terminals
17) AUTO/MANUAL Muting Control Select Switch
18) Muting Level Control
19) Low impedance Output Terminals
20) AC Fuse (2A)
21) AC Outlet (Max. 100W, unswitched)
22) AC Power Supply Cord
23) PHONO Input Jacks
24) AUX Input Jacks
25) MIC-3/PHONE Select Switch
26) PHONE Input Terminals
27) Manual Muting Control Terminals
28) Constant Voltage Output Terminals (25, 70,7V)
29) Line Output Jack
30) DC 13,2V Power input Terminals
23 24 25 26 27
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