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Description
Vintage Plans for a Battery powered Audio Amplifier for a phonograph or radio. This amp is tube powered. Tubes used are; 1S4 and 1S5.
This is an original 2 page magazine article from 1947.
We do not photocopy these.
Article Includes
- Uses a 90volt battery - which can be sixty 1.5 V “AA” or “AAA” cells, or ten 9 V packs in series, a transformer, or a power inverter.
This is an original 2 page magazine article from 1947.
We do not photocopy these.
- Schematic Drawings and Photos
- Instructions
- Materials List
Payment
Payment: by Paypal, Visa, Mastercard, Discover, American Express, Apple Pay, G Pay, accepted thru eBay. Items shipped upon receipt of payment.
Shipping
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- Rates:
- $4.00 for USPS first class mail service or
- $7.35 for priority mail service.
- $4.00 for Canadian shipping
- $6.00 other International shipping. For Tracked International service you must use ebay International shipping - price varies.
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