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8431A & 8432A Programmable Equalizers

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The mixer also contains two auxiliary input channels for high-impedance line or tape sources. These channels have independent monitor sends, pan pots, and slide faders.

8431 A/8432A
Programmable Equalizers

Channels:
8431A: One.
8432A: Two, completely independent.

Number of Bands: 28 one-third octave wide bands on ISO center frequencies from 31.5 Hz to 16 kHz.

Filter Type: Active analog 2nd order bandpass filter set.

High Pass Filter (HPF): Programmable corner frequency, 12 dB/octave slope.

Low Pass Filter (LPF): Programmable corner frequency, 12 dB/octave slope.

Programmability:
Boost/cut of each frequency band:
±10 dB in '/z dB steps.
Master gain: 0- 10 dB in %z dB steps.
LPF corner frequency: 6 kHz, 7 kHz, 9 kHz, 11 kHz,
13 kHz, 15 kHz, 23 kHz, 32 kHz.
HPF corner frequency: 10 Hz, 32 Hz, 50 Hz, 63 Hz,
80 Hz, 100 Hz, 125 Hz, 160 Hz. User memories: DEF (0), 1, 2, 3, 4, 5, 6, and 7
(non-volatile).
Memory pointers: OFF, 1, 2, 3, 4, 5, 6, and 7
(non-volatile). Remote memory selection (RMS):
Via external contact closures, one
RMS connector per channel. Channel selection: 1, 2.
Device address selection: Via 8-position DIP switch.

Communications Interface:
8431A/ 8432A-PA232: PA-232 communications interface conforming to ANSI S4.49-1991 timing and protocol standards but with D9 connectors wired to the RS-232 standard. Maximum cable length is 50 ft. (15.2 m).

8431A/8432A-PA422: PA-422 communications interface conformingto ANSI S4.49-1991 standard. Maximum cable length is 4,000 ft. (1.2 km).

Connectors:
Audio: One 7-terminal barrier strip per
channel w/chassis to common
and jumper. Remote Memory Select (RMS):
One D9-male connector per channel.
Power: IEC 3-prong ac receptacle w/fuse holder.
Communications Interface: One D9-male (input), one D9female (output linking).

Controls and Switches:
Address selection: One 8-position DIP switch.
Channel bypass: One slide switch per channel.

Indicators: One dual colored LED per channel to indicate Status and Clipping. One power LED.

Power Requirements: 115/230 Vac, 50/60 Hz, 18 watts (device will operate at 100 Vac line voltages).

Turn-on Transient Protection: 3 second delay before signal can pass through.

Operating Temperature Range: Up to 50 °C (122 °F).

Dimensions:
Height: 1.75 inches (4.4 cm).
Width: 19.0 inches (48.2 cm).
Depth: 14.0 inches (35.6 cm).

Weight:
Net: 10.2 lbs (4.62 kg).
Shipping: 14.0 lbs (6.35 kg).

Color: Black.

Enclosure: Rack-mount chassis, 3/16" aluminum front panel.

Included Accessories:
- One rack-mount hardware kit.
- Two D9-female cable connectors with shells (for RMS connector). - One 3 ft. linking cable.
- One IEC power cord.
- One set of universal voltage stickers.
- One 5%" AcoustaGRAPHICS software disk. - One 3yz" AcoustaGRAPHICS software disk.
- One Installation and Operating Instructions forthe 8431A/8432A. - One AcoustaGRAPHICS Software Guide. - One T.25A, 250 V fuse (for 230 V ac operation).

Optional Accessories:
-15550A input isolation transformer. -15560A output isolation transformer.
- 8060A RS-232/PA-422 adapter (for -PA422 models).
- 8062A Dual port PA-422 internal card (requires half length
slot in PC compatible computer system, for -PA422 models
only).

AcoustaGRAPHICST"' is a trademark of Altec Lansing Corporation.
ALTEC LANSING" continually strives to improve its products and their performance. Therefore, specifications are subject to change without any advance notice.


 

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