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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.
 
  • 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.
 
Article Includes
  • 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

  • Multiple Items may be grouped to save on shipping. When buying more than one item please use the shopping cart for the best shipping price.
 
  • 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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