ECC31 Mullard BVA NR73 double triode Full getter akin ECC32
ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 2
ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 3
ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 4
ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 5
ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 6
  1. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32
  2. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 2
  3. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 3
  4. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 4
  5. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 5
  6. ECC31 Mullard BVA NR73 double triode Full getter akin ECC32 - Image 6

ECC31 Mullard BVA NR73 double triode Full getter akin ECC32

Mullard ECC31 £ 180 pair; Mullardv ECC31 £ 350 quartet

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Description

Another variation of the NR73 is the ECC31 made by Mullard.

The ECC3 is a medium μ double triode with a common cathode. The valves you see here are basically ECC31 branded NR73.

The ECC31 has same current and mA/V of ECC32 but different pin’s layout

Valves you see here have full thick getter early type 1950s. Earlier logo.

All valves tested at 6mA 100% emission

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