Ø-Inside: 2,1 mm
Ø-Outside: 10,7 mm
100 k / 250V / 0,25 W / Ø: 15,0 mm
Marshall Powertransformer JCM 800 / JMP 50
All JJ preamptubes are selected within a close tolerance and handtested for best sound and quality. Furthermore all pins are gold plated to achieve best electrical contact.
What about the sound ? It is still the famouse and well known JJ brownsound - warm and smooth.