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Heathkit sb-220 amplifier manual
Reproduction of the original factory manual for the Heathkit SB-220 Linear Amplifier. This manual includes operating instructions, circuit descriptions, pertinent diagrams and/or photos, installation and connections, clear schematic diagram to identify all parts, complete parts list, assistance vital to operating, repairing and maintaining this unit. Printed on 8 1/2" x 11" high quality acid-free bond paper. Note: this is NOT a complete manual; the construction pages are missing. But it includes everything you need to operate, maintain and repair this amplifier.