Tube Audio Amplifier Battery Powered 1947 How-To build PLANS

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 Tube Audio Amplifier Battery Powered 1947 How-To build PLANS Click image to enlarge 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 9 volt 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. Pages measure 6 ½” x 9” 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: $4.50 for USPS Ground Advantage $8.70 for priority mail service. $4.50 for Canadian shipping $6.00 other International shipping About Us Grandpa's Secrets Discover a Wealth of How-to Projects & Plans from a Bygone Era. Explore our Scientific & Mechanical History in Vintage Hobby, Craft, & Technical Magazine Articles. Images sell! Get Supersized Images & Free Image HostingCreate your brand with Auctiva's Customizable Templates. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.com.

Price: 7.89 USD

Location: Diamond Point, New York

End Time: 2025-01-20T16:10:25.000Z

Shipping Cost: 4.5 USD