Noval B9A 9-Pin tube-valve-base-Röhrensockel
The perfect tube for the Overdrive chanel - Rock and Metal sounds
It has a good attack and sustain paired with an extra portion gain
It is handselected by BTB for low microphony, low noise and low hum
The tube is handselected in Germany
S4GB ® "Selected For Guitar & Basses" is a registered Trademark by BTB
height:57mm - bulb diameter:22mm (info can variy!)
ECC 83

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

Noval B9A 9-Pin tube-valve-base-Röhrensockel
The 7025 is the best choice for Fender© and all other 7025 tube stages
It holds the 7025 specifications with a perfect creamy and warm sound
It is extra handselected for low microphony, low noise and low hum
The tube is designed and made in Europe
S4GB ® "Selected For Guitar & Basses" is a registered Trademark by BTB
height:55mm - bulb diameter:22mm (info can variy!)

EL 34 with Octal brown base K8A 8-Pin tube-valve-base
The Highgrade EL34 style =C= for your Guitar or Bass Amp all brands
It is extra rated for mobile use - the extra rugged Version
This tube has a good Power output and is Highgrade rated and matched
The tube is handselected in Germany
S4GB ® "Selected For Guitar & Basses" is a registered Trademark by BTB
height:97mm-socket diameter:32mm-bulb diameter:31mm (info can variy!)
EL 34 C EL34 C EL 34C

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