20 Watt Amplifier Kit A-5A

• alternative name: Heath Company

The finest amplifier kit we have ever offered - check the features. This inexpensive
amplifier compates favorably with instruments costing five times as much. Nothing
has been spared to provide the best reproduction.

Push-pull 6L6's. • Full 20 Watts outfut. • Fully enclosed chassis. • Provisions for reluctance pick-up compensation stage.
Cased high fidelity output transformer.
Treble and bass boost tone controls.
Full range of output impedances 3.2 ohms. • to 500 ohms.

Dual tone controls for control of both treble and bass. Bass control is of the
boost type for maximum listening pleasure. Optional preamplifier stage for use with G. E. reluctance pickup or microphone. Uses .inverse feedback to give excellent response over entire range. Tube lineup: 6SJ7 preamplifier stage, 6J5 phase splitrer stage, two 6L6's in push-pull and 5Y3 rectifier. (6SC7 as optional compensation stage).

Uses highest quality Chicago Transformer Corporation cased output transformer with taps of 3.2, 8, 15, 60 and 500 ohms to match any speaker combination.
Power transformer is conservatively rated for continuous operation in sound systems.
Tone control gives maximum bass boost of 6 db ar 70 cycles. Amplifier has maximum gain of 75 db. Response within 3 db 20 to 20,000 cycles. 
Complete with all parts, tubes and instruction manual.

The A-5A came with pre-amplifier for GE cartridges or microphone.

In questo link sono elencati 797 modelli, di cui 780 con immagini e 515 con schemi.
Elenco delle radio e altri apparecchi della Heathkit (Brand), Heath Co.; Benton Harbor (MI)