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7729

Information - Help 
ID = 6207
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Double Triode   Audio Frequency 
Identical to 7729
Similar Tubes
Multiple differences or of other kind:
  12AX7 ; ECC83
First Source (s)
04.Jul.1960 : Electron Tube Registration List
Predecessor Tubes 12AX7  

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Technology / Measurement
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect
Description

Premium quality 12AX7 intended for industrial or instrument service. Gold-plated pins, low hum and microphony.

Center tapped heater allows operation from either 6.3 V or 12.6 V heater supply

 
Text in other languages (may differ)
Information source Essential Characteristics, GE 1973   
Röhren-Taschen-Tabelle, (Franzis RTT)   
Tube Lore (I)
- - Manufacturers Literature

no15_g_1.gif 7729: RTT Schwandt
Günther Stabe † 19.8.20


Just Qvigstad
2870_reg~~1.png
7729: Manufacturer's Literature
Emilio Ciardiello

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