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Altec 456B plug-in amplifier module, 24-48V with an 11-pin connector. Condition: Used. This is a vintage Altec module commonly found in broadcast / audio / telecom equipment racks and systems. Included: the Altec 456B module only (no additional cables, rack, or accessories included).

Key Benefits

Genuine Altec 456B plug-in amplifier module for vintage professional systems
Voltage range: 24V-48V (as marked/identified for this model)
11-pin interface for modular frames and compatible equipment
Good fit for broadcast, PA, studio, and telecom restoration or spares
Made in USA vintage industrial build quality
Ideal as a replacement module when maintaining legacy Altec installations

If you need this for a particular frame or application, please confirm your required power (24V or 48V) and 11-pin compatibility prior to purchase.