gldtp99 wrote:The Mid 70's DR504 clone I built in the vids runs a pair of the same EI EL34 output tubes------- they've held up well and as for the tone-- decide for yourself-----my friend playing his Strat through this amp in my messy shop:
http://youtu.be/KL9pWc57Q-M
http://youtu.be/EF1fWpIM6Ts
Please excuse the addition of a clone amp in this forum (even though the amp can't be seen in the vids)----- my intention was to provide evidence that the EI EL34's do work well in Hiwatt (or Hiwatt type) amps----- delete if you feel it is necessary................................gldtp99
Thank's Goldtop !........................nice vid !
My amp sound very good and warm without any harshness whatsoever ,I even have to bring up the treble and presence for more clarity,
I'm very happy with those tubes and with the amp !! , I know that some of them were not good according to this quote from a site ,
Quote,
EL34 EI Yugoslavia 6CA7
A lot of these tubes were very problematic, more than 60% of regular production was under dissipation ratings,
but some rare examples, carefully tested are great, sonicaly and by dissipation.
I have two batches, one is year 1987 and another is 1988.
This is killer EL34 to any new production like JJ, Electro-Harmonix, Genalex-Gold Lion, Svetlana, Mullard, Shuguang, Tung-Sol, … EL34 6CA7 KT77.
They have been made in 80s, when EI factory has made million of tubes on monthly basis with strict quality control, tubes were printed depends on order,
for many world famous tube brands like Siemens, Philips, Telefunken, RCA, Marshal, Jadis, Valvo, RTC, ….....................End of Quote !