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NEWS
Mesa Boogie Tubes now in stock - more to be added
Rotosound Strings
Rotosound Strings
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JJ E34L (Hi-Grade EL34)
Price
£13.50
Product Code
JJ E34L
Brand
JJ
Description
The JJ E34L is a high grade EL34. The valve is well made with thick glass and large anode plates. This valve has higher plate dissipation than the JJ EL34 and smoother top end. Works very well with Marshalls to calm down their ice pick top end.
Platinum Matched & Tested
Platinum Matched & Tested
It means we burn-in these valves for a minimum of 30-40 hours before matching. The reason we do this is get rid of any faulty or weak valves and as a pre-grading process to allow the plate/grid mechanism to relax into it's rest position. Tiny differences in construction make for enormous differences in electrical characteristics, and thus if a tube is graded after it's been burned in then the measured characteristics hold true over its lifespan to a greater extent. This seems simple but it's amazing how many vendors ignore it. It's the reason so many people complain about poorly graded valves.
