Skip to product information
1 of 7

Mullard

1x Mullard EL34 6CA7 - Double O Getter - Blackburn 1966 - Test NOS

1x Mullard EL34 6CA7 - Double O Getter - Blackburn 1966 - Test NOS

Regular price $196.00 USD
Regular price Sale price $196.00 USD
Sale Sold out
Shipping calculated at checkout.
Product Summary

Model: 1966 Mullard EL34 6CA7 (Made in the United Kingdom)

Soundlumia Tube Sound Rating9.5/10 - Exceptional

Date codes: Xf2 B6L2 (Xf2 = Mullard EL34, B = Blackburn, 6 = 1966, L = December, 2 = Week 2 of production month)

GM (Mutual Conductance) test result108% of NOS/NEW

Silkscreen: 90% - 100%

PackagingNEW white tube boxe.

Professional Tube Testing

This set was tested and certified by RoeTest V11 Professional Tube Testing System with the following result: 

Measured transconductance (GM): 8.25/8.12 mA/V  - 125%/123%  (100% = 6.60 mA/V)
Measured plate current (IA): 145.29/132.77 mA  - 145%/133%  (100% = 100 mA)

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

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