Tube Amp Doctor EL84-STR RT874
Out of stock
EL84-STR TAD PREMIUM Matched
Very good in Epiphone Valve Junior
Due to its diameter of 22.5mm, the TAD EL84-STR does not fit into older Marshall DSL401 and UK made VOX AC15 TBX amplifiers. The only tube which fits these amps is the EL84-EI. (ordering number: NN471)
Q: When does a power tube become a Premium Selected power tube?
A: All power tubes labeled Premium Selected have passed the following tests:
– Plate Current (PC) and Amplification (TC)
– Low Noise Test
– Microphonic Test
– Sonic Tests
– Shock Tests
– Listening Tests
– Shorts & Leakage Tests
Premium RT-Matching of Power Tubes
Our Premium Matching is an exact matching of power tubes with identical Plate Current (PC) and Transconductance (TC).
TAD Premium Selected tubes are guaranteed for a period of 6 months (according to terms of warranties) for the quality criteria mentioned above.