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Valvo

Valvo EL84 6BQ5 Coin Elliptical Getter

Valvo EL84 6BQ5 Coin Elliptical Getter

$190.00 USD
$190.00 USD
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Tubes

Valvo EL84 6BQ5 Coin Elliptical Getter Matched Pair - Hamburg 1956 rX1/rX2 - Test NOS

$ 190.00

Product Summary

Model: 1956 Valvo EL84 6BQ5 (Made in Germany)

Soundlumia Tube Sound Rating: 9.0/10 - Outstanding 

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): 11.25 mA/V - 100% (100% = 11.3 mA/V)
Measured plate current(IA): 47.62 mA - 99% (100% = 48 mA)

Tube 2: 

Measured transconductance(GM): 11.25 mA/V - 100% (100% = 11.3 mA/V)
Measured plate current(IA): 53.62 mA - 112% (100% = 48 mA)

NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.

Appearance & cosmetic condition

Silkscreen: 50% - 88%

Date code(s): 

rX1 D6C (rX1 = EL84 Generation #1, D = Hamburg, DE, 6 = 1956, C = March)
rX2 D6F (rX2 = EL84 Generation #2, D = Hamburg, DE, 6 = 1956, F = June)

Packing
New reproduction Valvo tube boxes.

 

Valvo EL84 6BQ5 Coin Elliptical Getter Matched Pair - Hamburg 1956 rX1/rX2 - Strong

$ 163.00

Product Summary

Model: 1956 Valvo EL84 6BQ5 (Made in Germany)

Soundlumia Tube Sound Rating: 9.0/10 - Outstanding 

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): 9.87 mA/V - 87% (100% = 11.3 mA/V)
Measured plate current(IA): 41.09 mA - 86% (100% = 48 mA)

Tube 2: 

Measured transconductance(GM): 9.75 mA/V - 86% (100% = 11.3 mA/V)
Measured plate current(IA): 38.17 mA - 80% (100% = 48 mA)

NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.

Appearance & cosmetic condition

Silkscreen: 50% - 90%

Date code(s): 

rX1 D6C (rX1 = EL84 Generation #1, D = Hamburg, DE, 6 = 1956, C = March)
rX2 D6F (rX2 = EL84 Generation #2, D = Hamburg, DE, 6 = 1956, F = June)

Packing
New reproduction Valvo tube boxes.
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