The 8A8 is from the era of VHF Band III television in the mid 1950's. The valve is a triode pentode, with separate cathodes, designed to function as a mixer and oscillator in the tuner or …

Tube 8A8 or Röhre 8A8 ID5139, Triode-Pentode, Noval, 9 pin miniature (USA pico-9) B9A and Frequency converter shown. Radio tubes are valves.

2017年3月10日 · 苏联早期电子管型号无甚规律可循，开头СО-、СБ-、УО-、УБ-这样地写，可能与用途相关（带栅极的电子管或整流管，电池式或交流式），后面跟两到三位数字，按照定型 …

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 49 mm tall. References: Data-sheet & 1040. Type PCF80 was first introduced in 1953. See also 1953 …

三五極複合管。プレート電圧が低い、もともとTV用の球であるのを知ったのは後年のこと。5極出力部を三結にしても比較的出力が落ちない。ヒーターの電圧違いで、8A8、16A8、32A8 …

This is a MOTOROLA 9A8 / 8A8 / PCF80 Triode Pentode Frequency Converter Vacuum tube in original box. glass has nice green ink "MOTOROLA GOLDEN PREMIUM RATED and MADE …

With our tubes, you can achieve the classic, warm sound that only vacuum tubes can provide. We offer a variety of tube types and brands to fit your specific needs and preferences. Our vacuum …

9 pin miniature type medium-mu triode, sharp cutoff pentode used as combined oscillator and mixer tube in vhf television receivers.

Home Resources References Tubes Forums Links Support Sale Tube Substitutions for: 8A8 Triode-Pentode. Type Substitutes Base Diagram; 8A8: 9A8, 9EA8, 9U8, 9U8A: Web …

Title: 6A8G 6A8GT Author: Brimar Subject: DPo-FP-2006-03-05 Created Date: 3/5/2006 11:47:36 AM