Description
Schematic Drawings and Photos for building a self powered 7 watt High Fidelity Audio Amplifier - no transformer or chokes required. Tubes required - one 6H6 - four 25L6 - four 25Z6 - two 6J7 - one 6L7 - one 6C5. This is an original 1+ page magazine article from 1937. We do not photocopy these. 7 watt Tube Amplifier Self powered 1937 HowTo build Schematics Info 7 watt Tube Amplifier Self powered 1937 HowTo build Schematics Info Click image to enlarge Description Schematic Drawings and Photos for building a self powered 7 watt High Fidelity Audio Amplifier - no transformer or chokes required. Tubes required - one 6H6 - four 25L6 - four 25Z6 - two 6J7 - one 6L7 - one 6C5. This is an original 1+ page magazine article from 1937. Pages measure 6 ½” x 9” We do not photocopy these. 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. Get images that make Supersized seem small. Showcase your items with Auctiva's Listing Templates! THE simple solution for eBay sellers.