Skip to product information
1 of 9

Mullard

1x Mullard EF86 Long Mesh Plates 15° Square D Getter Philips Label Blackburn '59

1x Mullard EF86 Long Mesh Plates 15° Square D Getter Philips Label Blackburn '59

Regular price $118.00 USD
Regular price Sale price $118.00 USD
Sale Sold out
Shipping calculated at checkout.

Sound Sample:

Product Summary

Model: Mullard EF86 6267 (Made in United Kingdom)

Soundlumia Tube Sound Rating: 9.0/10 - Outstanding

Lush and warm vintage tone, intiimate vocals, wide sound stage with layered details

Date code(s): B9C (B = Blackburn, 9 = 1959, C = March)

GM (Mutual Conductance) test result: 100%/105% NOS

Silkscreen: 100%

Packaging: NEW white tube boxes

Professional Tube Testing

This set was tested and certified by RoeTest V11 tester with the following result: 

Tube 1: 

Measured transconductance (GM): 1.31 mA/V  - 66%  (100% = 2.0 mA/V)
Measured plate current (IA): 2.29 mA - 76%  (100% = 3.0 mA)

NO shorts, leakage or gas. NO noise or microphonics.

Curve trace is also included in the original RoeTest report.
View full details