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Bernard Sinambela, Indonesia - Tube collection

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ID = 11574
Photo Bernard Sinambela

Below you find a part of the tube collection Bernard Sinambela.

own several old tubes, Tube testers and collecting
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Excerpt from the tube collection of Bernard Sinambela. These images (tube photos) were uploaded to the respective tubes or valves by Bernard Sinambela.

Tested as 01 tube (Ep = 135 V, Ef = 5V) with fixed grid/bias from 3V - 9V (incremental 1.5V) using amplitrex AT-1000 in PC mode. Test results are listed below Current ranges: @9V bias: 1.4 - 2.3 mA @7.5V bias: 2.2 - 3.5 mA @6V bias: 3.5 - 4.8 mA @4.5V bias: 4.4 - 6.3 mA @3V bias: 5.7 - 7.4 mA (minimum grid voltage as data sheet) GM (Transconductance) ranges: @9V bias: 400 - 600 uMhos @7.5V bias: 600 - 800 uMhos @6V bias: 700 - 900 uMhos @4.5V bias: 800 - 1000 uMhos @3V bias: 900 - 1100 uMhos (minimum grid voltage as data sheet Tube gain ranges from 8 to 10.
DL5 1926 ??
DeForest-Tubes USA
WARDS SUPER AIRLINE Tested higher than NOS (01 setting) using amplitrex AT-1000
01AA
Tunatron (Tubes), Tunafone W... AUS
Sealed Box BPS
102L
Western Electric Company Inc... USA
Pair of Weco 221-D
221D 1926
Western Electric Company Inc... USA
 

Tube collector page of valve collector Bernard Sinambela as «own HP at RMorg»
As a member of Radiomuseum.org Bernard Sinambela displays items in his/her tube collection. Tubes are called valves in British oriented countries.
Valve and tube collectors as well as radio collectors are invited to join Radiomuseum.org. Every member can display separate collections of tubes, radios etc.

Bernard Sinambela started his/her tube collection (valve collection) here on 01.Feb.2015. [index-en]

  
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