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EF86,6BX6, Mullard, 2 Valves, matching codes, tested
EF86,6BX6, Mullard, 2 Valves, matching codes, tested
EF86,6BX6, Mullard, 2 Valves, matching codes, tested

EF86,6BX6, Mullard, 2 Valves, matching codes, tested

£18.00
Stock Status: Sold Out
A pair of Mullard EF86 pentodes, solid plate, matching codes, AVO tested with very good closley matched results.
Sorry, this item is out of stock, please contact me for details of when the new stock arrives.
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Mullard EF86

a pair of used  Mullard EF86 valves, AVO tested with very good closely matched results, results shown in table below.

Brand: Mullard (Blackburn factory)
Valve: EF86
Type: pentode
Factory codes: 9r3 B4A4

Sold as: used/ex equipment

Additional info: solid plate, halo getter
 
Test results:

Tested @  Vf = 6.3V  Vg= -2.0V   Va=250V   Vs= 150V
Tested for heater continuity and electrode insulation 
Design Actual Valve 1 Actual Valve 2
Ia (mA) 3.0 3.6 3.5
gm (mA/V) 2.3 2.7 2.8

Tests carried out on an AVO VCM Mk3, design figures taken from AVO valve data manual.


Cosmetic condition: very good

Valves as shown no original packaging

If you have any questions regarding this item please email.
Specifications
  • ref:
    v134
  • Brand:
    Mullard
  • Condition:
    Used
  • Product Code:
    EF86
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