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PTT0

Information - Help 
ID = 39284
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to PTT0 = R88
Similar Tubes
Normally replaceable-slightly different:
  PTT0S
Base EU-Telephone 5-pin (G5K)
Filament Direct
Description

They were made branded RT (La Radiotechnique) and Dario-RT. The RT type has also E346 on the glass and R88 on the base.

 
Dimensions (WHD)
incl. pins / tip		 48 x 108 x 34 mm / 1.89 x 4.25 x 1.34 inch
Weight 51 g / 1.80 oz
ptto_sock.png PTT0: RTT
Wolfgang Holtmann
More ...
Just Qvigstad

Collection of

Patrice Zeissloff (F)
Patrick Marinus (B)
Rudolf Osterkamp (D)
 
ptt0_radiotechnique_ph1r1.jpg

PTT0
 
Forum contributions about this tube
PTT0
Threads: 1 | Posts: 1
Hits: 2505     Replies: 0
PTT0 (PTT0)
Patrick Marinus
23.Jul.14 		  1
PTT0 (PTT0) 

I have three tubes PTT 0. The type number is printed on the bulb. The base shows the type number R88. IIt seems that PTT 0 and R 88 are identical. One one specific tube, the typenumber reads PTT 0 and below that PTT144. I never heard of that tube .

 

 

I have seen that for PTT 0 and R 88 are seperate tube pages, yet they seem to be identical apart from the white ceramic support in the R 88.

Are my assumptions coorect ?
 
PTT0
End of forum contributions about this tube
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