Altec Lansing Industrial Professional Sound Products Spec site

ALTEC LANSING INDUSTRIAL PROFESSIONAL SOUND PRODUCTS AMPLIFIER LIST

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Altec 1407A and 1415A Power Amplifier

 

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Altec 1407A & 1415A Power Amplifier page 1

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HIGH QUALITY, LOW COST
GENERAL PURPOSE MONAURAL POWER AMPLIFIERS

DESCRIPTION
The Altec Lansing 1407A and 1415A power amplifiers are high quality low cost monaural power amplifiers for general purpose applications and those involving the use of ALTEC LANSING'S 1700 series mixer products.

Both amplifier models are identical in size and features and differ only in their output power ratings. The 1407A is a 75 watt amplifier while the 1415A produces 150 watts of continuous average output power. Included are many built-in features that far exceed what is normally found in amplifiers of this type. This fact undeniably eases any design chore. For example, the amplifiers include a 15 kiZ input bridging transformer, a 300 Hz high pass filter (switchable), a 15 dB input pad (switchable), and a choice of four input connector types; a 5-lug screw terminal, female XLR, male XLR, and a phono connector. The male XLR is also usable as a convenient patch output point for routing the input signal to another amplifier.

Two auxiliary unbalanced outputs are also provided. One is before (pre-fader), and the other after (post-fader), the MASTER output level control. These outputs greatly simplify many complex system designs. In addition to a 40 direct output (80 in 1407A), a built-in output transformer provides a plurality of true balanced outputs including 80 (4f2 in 1407A), 25 volts, and 70.7 volts.

The amplifiers are fully protected from short circuited loads, over temperature, and excessive load reactance, and the loads from turn-on/turn-off transients, subsonic signals, and DC. When a problem is detected the output relay automatically disconnects the load and illuminates the front panel PROTECT indicator. In addition, a front panel clipping indicator warns of excessive output levels. The MASTER level control and configuration switches are rear mounted for extra protection against "accidental" changes made by non-qualified personnel.
The Altec Lansing 1407A and 1415A power amplifiers are the choice in professional designs where quality, reliability, flexibility, and cost are of prime concern.


 

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