Tube 1D8GT or Röhre 1D8GT ID4138, Diode-Triode-Pentode, Octal (Int.Octal, IO) K8A, USA 1935 and Power/Output shown. Radio tubes are valves.

The 1D8GT is a diode triode pentode. The three sections in a non superhet receiver would provide demodulation AF voltage amplifier and output valve in the single envelope. The RCA …

Mar 10, 2017 · 1D8GT和3A8GT太少，还没见过实物，但也都是特例里面的独苗苗。 其他类似的比如3A4、3B4、3C4、3Q4、3S4、3V4都是灯丝2.8V的直热强放管；6F6、6G6G、6K6GT …

Title: 1D8GT Author: RCA Subject: JA-FP-2002-06-07 Created Date: 6/7/2002 11:28:52 PM

Oct 9, 2016 · But with advances in tube technology, this two-tube set was now possible. A 1A7GT pentagrid tube served as first detector and local oscillator. This was fed to the triode section of …

Model 1D8GT. Diode Triode Pentode. Diode is used as detector or AVC tube - triode as first audio amplifier - pentode as power output tube. Vf 1.4 Volts / If 0.1 Ampere / Direct / Battery =. New …

item ST 32893 Electronic Valve - RCA, Diode-Triode-Pentode, Type 1D8GT, 1939-1945. Information & Communication, Engineering This valve combined detector, first audio stage …

Jun 13, 2015 · Found this interesting valve today while sorting out my valve stock. It is the 1D8GT diode-triode-pentode. I'm sure I can find a use for this unusual 1.4volt battery valve. There …

Common type USA tube/semicond. This tube is a 1D8GT, glass octal type, not existing as a 1D8 (metal) but often incorrect named as 1D8 - see 1D8. 1D8: Mia raccolta schemi. You reach this …

Sep 27, 2019 · 75 years ago this month, the September 1944 issue of the British publication Practical Wireless carried the plans for this very basic wartime one-tube regenerative receiver. …