Octal K8A 8-Pin tube-valve-base
The Premium EL34 for your Guitar or Bass Amp all brands
It is extra handselected by BTB for low leakage and Premium matching
The original sound and Power of the Amp is the Focus for this tube
The tube is designed and made in Europe
S4GB ® "Selected For Guitar & Basses" is a registered Trademark by BTB
height:101mm-socket diameter:32mm-bulb diameter:32mm (info can variy!)
EL 34

Octal K8A 8-Pin tube-valve-base
The Performance EL34 puts out the Maximum in Details & Sound of the Amp
It is extra handselected by BTB for low leakage and Premium matchinh
From current Production its one of the best tubes in stability and sound
S4A ® "Selected For Audio" is a registered Trademark by BTB
height:97mm-socket diameter:32mm-bulb diameter:31mm (info can variy!)
EL 34

8-pin tube/valve/Röhrensockel socket for: EL34-6CA7-KT66-KT77-KT88-KT120
Teflon type, contacts 24K GOLD plated, machined contacts
hole diameter for enclosure: 27mm, Pin diameter: 1,8mm
distance for chassis screws: 36-37mm (3mm screws)
can be used for PCB mounting or wire connection with chassis mount
it is possible to put it on the upper or lower side of the chassis
good chassis thickness is 2,5mm-3,5mm

air cooled coaxial transmitting Triode
Uf=5,8V, If=145A

Noval B9A 9-Pin Gold Plated tube-valve-base-Röhrensockel
The best performing 6201W-E81CC-ECC801s from current Production
It is extra handselected for low noise, low hum, low leakage, low THD
It puts out the best Audio performance with most possible details
S4A ® "Selected For Audio" is a registered Trademark by BTB
height:55 mm - bulb diameter: 22 mm (info can variy!)
ECC 82-ECC 802