I have the amp that's one step up from the ST-70 that uses KT88's that put out 60 wpc. They offer an amp based on the Dynaco ST-70 that uses EL84 tubes that's rated at 35 wpc. The design are based on the original to the point where new components can be used in the old amps. offers kits and complete amps that are based on the styling and basic design of Dynaco amps.though they use updated circuit designs and more robust components than the original Dynaco components. There are some nice vintage EL84 power amplifiers: EICO HF-86 and HF-14 (Stereo/mono, respectively) leap to mind :-) Ditto the Fisher SA-100 and SA-30A, respectively. That's a good enough reason for me to consider one seriously as long as one has/wants sufficiently sensitive loudspeakers.ĮDIT - I guess that most if not all of the PP EL84 amps I am thinking of are "integrated" amplifiers in the sense that they offer source selection and attenuators on-board I am not sure if any of them actually have active preamp sections, though.!?
I - and others - have often opined: "I have yet to hear a bad-sounding amplifier using EL84 output tubes". I think Luxman still has a PP EL84 amp, too. Manley has PPP EL84 amps (the Stingray and, IIRC, also a monoblock version) that should be pretty decent, too. JoLida still has a PP EL84 amplifier, I believe. 100 dB watt 1 meter) pretty quickly even with "little girl with guitar" music in a medium-sized room. It sounds good but ran out of steam with Klipsch Cornwalls (sensitivity of ca. I have one of their early SE EL84 amps (SE-84B version, not as pretty as the one above but very similar otherwise). EL84 in triode mode a la Decware is 2 watts or less per channel.
Decent sounding but seriously fleapowered.
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