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ID = 20745
Tube type:  Vacuum Pentode   Universal 
Identical to 6059 = CV4006
Similar Tubes
Other class quality (otherwise equal):
  6BR7 ; CV2135
Other base and other heater:
First Source (s)
25.Oct.1901 : Electron Tube Registration List
Predecessor Tubes 6J7  

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect

Reliable low noise low microphony amplifier pentode.

High-rel version of 6BR7.

Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature   

6059: Schematic from my documents.
Pier Antonio Aluffi

no10_g_2.gif 6059: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad
6059: Manufacturer's Literature
Emilio Ciardiello

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