=E83F with Uf=18V
Noval B9A 9-Pin base
made in Germany
...

=E81L with Uf=20V
Noval B9A 9-Pin base
...

popular Power Triode Uf=10V, Pa=75W
Aluminium Bajonett Jumbo 4-pin base
height:185mm-s...

UX-4 Pin base
best price to quality rate in the market
coke bottle/dome shape
h...

Octal K8A 8-Pin base / kurzer Sockel
NOS ruggedised/very reliable Version (stabile Mil Grade ...

Octal K8A 8-Pin base / kurzer Sockel
NOS ruggedised/very reliable Version (stabile Mil Grade ...

Octal K8A 8-Pin tube-valve-base, short bulb, rugged Version
The Premium 5881 tube for your Gu...

Octal K8A 8-Pin tube-valve-base, short bulb, rugged Version
The Premium 5881 tube for your Gu...

Octal K8A 8-Pin base / kurzer Sockel
ruggedised/very reliable Version (stabile Mil Grade Vers...

Octal K8A 8-Pin base
Good Choice for all 6L6 Amps (Fender, Mesa,...)
please ask for th...

Octal K8A 8-Pin base
Good Choice for all 6L6 Amps (Fender, Mesa,...)
please ask for th...

Octal K8A 8-Pin base / kurzer Sockel
ruggedised/very reliable Version (stabile Mil Grade Vers...

low microphonic - reliable - short Version
for Audio and Musical Amps - neutral sound
...

Octal K8A 8-Pin base
height:77mm-socket diameter:34mm-bulb diameter:38mm (info can variy!) <...

very reliable Version of the 5881 close to 6P3S-E
this one Fits to the Fender Clamps
g...

very reliable Version of the 5881 close to 6P3S-E
this one Fits to the Fender Clamps
g...

very reliable Version of the 5881 close to 6P3S-E
this one Fits to the Fender Clamps
g...

very reliable Version of the 5881 close to 6P3S-E
this one Fits to the Fender Clamps
g...

matched pair for Radio Amateur Applications
vy 73´s and 55´s de BTB Team
...

good price to quality rate
...

Octal K8A 8-Pin tube-valve-base
The Highgrade 6550 for all Guitar and especially Bass Amps <...

Octal K8A 8-Pin tube-valve-base
The Highgrade 6550 for all Guitar and especially Bass Amps <...

Octal K8A 8-Pin tube-valve-base
the Equivalent to the SED 6550C =C= from Reflector, Saratov R...

Octal K8A 8-Pin tube-valve-base
the Equivalent to the SED 6550C =C= from Reflector, Saratov R...

Octal K8A 8-Pin base
mid price rate - for HiFi and Musical Amps - tendence warm sound
...

Octal K8A 8-Pin base
mid price rate - for HiFi and Musical Amps - tendence warm sound
...

Octal K8A 8-Pin base
mid price rate - for HiFi and Musical Amps - tendence warm sound
...

Octal K8A 8-Pin base
warm sound, good for HiFi and class -A- single End Amps
height:10...

Octal K8A 8-Pin base
warm sound, good for HiFi and class -A- single End Amps
height:10...

Octal K8A 8-Pin base
warm sound, good for HiFi and class -A- single End Amps
height:10...

Octal K8A 8-Pin base
...

Octal K8A 8-Pin base
style as NOS GE´s and other US Brands - neutral sound - good price rate...

Octal K8A 8-Pin base
style as NOS GE´s and other US Brands - neutral sound - good price rate...

Octal K8A 8-Pin base 6550TS
style as NOS GE´s and other US Brands - neutral sound - good pri...

Octal K8A 8-Pin base
the best price rate for Musical Amps like Ampeg SVT
height:101mm-...

Octal K8A 8-Pin base
the best price rate for Musical Amps like Ampeg SVT
height:101mm-...

Octal K8A 8-Pin base
the best price rate for Musical Amps like Ampeg SVT
height:101mm-...

6973EH - 6973 EH - Electro Harmonix
Noval B9A 9-Pin base
often used in Juke Boxes and ...

Noval B9A 9-Pin base
often used in Juke Boxes and HiFi Amps - similar to 6CZ5 tube/valve

Octal K8A 8-Pin base
Svetlana winged =C= tube from St. Petersburg, Russia
...

Octal K8A 8-Pin base
equivalents: 6H13C 6N13C 6N5P 6N5J 5H5C 6080W ECC230
upgraded cer...

Octal K8A 8-Pin base
...

standard selection at Ua=200V
...

standard selection at Ua=200V
BTB matched Quad - Set of 4pcs
...

high grade selection at Ua=200V
...

Octal K8A 8-Pin base
height:101mm-socket diameter:34mm-bulb diameter:39mm (info can variy!) ...

Octal K8A 8-Pin base
height:101mm-socket diameter:34mm-bulb diameter:39mm (info can variy!) ...

Octal K8A 8-Pin base
height:103mm-socket diameter:34mm-bulb diameter:39mm (info can variy!) ...

Octal K8A 8-Pin base
height:103mm-socket diameter:34mm-bulb diameter:39mm (info can variy!) ...

Octal K8A 8-Pin base
Pa=20W
height:94mm-socket diameter:40mm-bulb diameter:36mm (info ...