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Altec 9446A Anniversary Series Power Amplifier

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9446A Anniversary Series Power Amplifier

ARCHITECT'S AND ENGINEER'S SPECIFICATIONS

The power amplifier shall be a dual channel model of solid state design employing true complementary symmetry output circuitry with grounded collectors and capable of operating from a 120/ 240 volts ac, 50/60 Hz line. The amplifier shall contain sensing circuitry to provide protection against over-temperature, shorted output terminals, and radio frequency interference. The load shall be similarly protected against subsonic signals, startup/shutdown transients, and DC faults.
Rear mounted panel controls shall include a two position mode switch for selecting between the dual monophonic mode or the bridged monophonic mode, and individual input level controls. Input connections foreach channel shall include a powered octal accessory socket for use with optional plug-in accessory modules, a 3-pin female XLR connector, and a barrier strip connector. Output terminals shall be a barrier strip connector.
Front panel indicators shall include an illuminated power on/off indicator, individually illuminated clipping ("CLIP") indicators, and individually illuminated protection circuit activation ("PROTECT") indicators. The front panel control shall be the power on/off switch.
The power amplifier shall meet the following performance criteria. Maximum input voltage: 7.75 V rms. Input sensitivity for rated output power into 4 ohms: 0.775 V rms. Rated output power: 600 watts per channel into 4 ohms from 20 Hz to 20 kHz at less than 0.1 % THD; 400 watts per channel into 8 ohms from 20 Hz to 20 kHz at less than 0.1% THD; 800 watts into 16 ohm bridged load from 20 Hz to 20 kHz at less than 0.1% THD; and 1200 watts into 8 ohm bridged load from 20 Hz to 20 kHz at less than 0.1% THD. Voltage gain in dual mode shall be 36 dB. Hum and noise: at least 100 dB (A-wtd) below rated output power. Frequency response: 20 Hz to 20 kHz, +0/-1 dB at any power up to rated output power. Damping factor: greater than 250 at any frequency up to 1 kHz in dual mode with 8 ohm loads. Intermodulation distortion (SMPTE 4:1): less than 0.05%. Transient intermodulation distortion (DIM 100): less than 0.05%. Crosstalk: less than 80 dB below rated output power. Operating temperature range: up to 60°C (140°F) ambient. Dimensions: 5.25 in H x 19 in W x 15.75 in D. Net weight: 52 pounds. Color: Black. Enclosure: rack mounted chassis, 16 GA steel; 3/16 in 5052 aluminum alloy front panel.
The power amplifier shall be the ALTEC LANSING Model 9446A.


 

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