Tube 12SA7 or Röhre 12SA7 ID2634, Pentagrid-Converter (Heptode), Octal (Int.Octal, IO) K8A, USA 1935 and Pentagrid (new) shown. Radio tubes are valves

The 12SA7 is a pentagrid converter for use as a mixer oscillator in superhet receivers. The design is quoted by RCA as optimised to increase stability. The RCA brand. RCA introduced the glass …

Title: 12SA7 12SA7GT Author: Tung-Sol Subject: JA-FP-2005-11-20 Created Date: 11/20/2005 12:33:58 PM

Basic heptode-based self-oscillating pentagrid converter circuits. The pentagrid converter is a type of radio receiving valve (vacuum tube) with five grids used as the frequency mixer stage of a …

2010年7月14日 · Zen Cart! 12SA7 Pentagrid Converter Heptode Tube [VT-12SA7] - 12SA7 tube, new old stock in original box. Tested working and guaranteed 30 days. Substitutes: 12SY7 EIA …

New Old Stock IEC 12SA7 Vacuum Tube (Item: RDW-272) $7.00 $5.60. Add to Compare. Add to Wishlist. Add To Cart. New Products. New Old Stock IEC 12SA7 Vacuum Tube (Item: RDW …

The 12sa7 tube, also known as a pentagrid converter, is a type of vacuum tube that serves as a key component in the early stages of audio amplification. Its unique design and functionality …

Name: 12SA7 Use: Metal tube type used as converter in ac/dc receivers. Notes: Requires an octal socket.

View results and find 12sa7, tube datasheets and circuit and application notes in pdf format.

The 12SA7GT is a pentagrid converter for use as a mixer oscillator in superhet receivers. The design is quoted by RCA as optimised to increase stability. This exhibit has the base wires …