Skip to product information
1 of 10

Telefunken

Telefunken EL84 6BQ5 Matched Pair - ◇ Bottom - Ulm 1961 - Near NOS

Telefunken EL84 6BQ5 Matched Pair - ◇ Bottom - Ulm 1961 - Near NOS

Regular price $191.00 USD
Regular price Sale price $191.00 USD
Sale Sold out
Shipping calculated at checkout.
Product Summary

Model: 1961 Telefunken EL84 6BQ5 (Made in Germany)

Soundlumia Tube Sound Rating9.5/10 - Outstanding 

Early 1960s Ulm, Germany production - Unparalleled sound characteristics and superb build quality - True holographic sound stage with layered details and ultra clarity

Date codes: 

(U)???1192 (U = Ulm, 1 = 1961)
(U)6101501L (U = Ulm, 1 = 1961)

GM (Mutual Conductance) test result: 95%/96% of NOS/NEW

Silkscreen: 90% - 95%

PackagingNEW white tube boxes.

Professional Tube Testing

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

Tube 1:

Measured transconductance(GM): 10.75 mA/V - 95% (100% = 11.30 mA/V)
Measured plate current(IA): 45.52 mA  - 95% (100% = 48 mA)

Tube 2:

Measured transconductance(GM): 10.87 mA/V - 96% (100% = 11.30 mA/V)

Measured plate current(IA): 47.92 mA  - 100% (100% = 48 mA)

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

Curve trace is also included in the original RoeTest report.

View full details

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)