The GTE34L is modified version of the stock JJ. They add these heat sink wings to the tube which stabilizes the operation of the tube at higher power levels. I have both and like the GT much better than the JJ's.
I found this on Groove Tubes website.
The GTE34L is modified version of the stock JJ. They add these heat sink wings to the tube which stabilizes the operation of the tube at higher power levels. I have both and like the GT much better than the JJ's.
I found this on Groove Tubes website.
