This is the 64 pages manual for ab international 9420 a service manual.
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MODEL 900A / 1100A
MODEL 9220A / 9420A
AB International Electronics
1830-6 Vernon Street / PO. Box 1105
Roseville, Ca 95678 / 916-783-7800
AB International amplifier products are designed to deliver uncompromised
performance in continuous duty commercial and professional audio applications.
The following operating instructions cover the installation and operation of the
Professional Series amplifiers. New owners are encouraged to read the entire
contents prior to placing amplifiers into service.