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I've seen references to the 14P being a closer equivalent, but the 15P also working in EL84/6BQ5 circuits.However, I'm still curious as to whether the manner of hook-up described by Steve Deckert (above link) would work on an EL84/6BQ5.
The 6p14pev is a drop in replacement for the EL84/7189, the 6p15pev is not(but close). I own a Decware SE84C & prefer the 6p15pev. The 6p14pev is a great sounding affordable tube, the 6p15pev is a better sounding(in the SE84C) and cheaper tube. Don't know the RM10(sorry!), ask the manufacturer if you can use the 6p15ev. If the RM10 runs the output tubes as pentodes it might be a possibility. You will love this tube.
ask the manufacturer if you can use the 6p15ev.
I've read various places that the Russion 6P15P-EV tube is an acceptable substitute for an EL84. Frankly, I never thought to bother rolling with other tubes with my RM10. The RM10, as with all of RMs products, is thought-out and optimized to the Nth degree.However, I came across this article today, which desribes a new way to use the Russian tube in a circuit by Steve Deckert of Decware. Quite intriguing - particularly in regards to the supposed performance improvement in using it this way. Curious if anyone who knows their tubes (yes, that obviously includes RM) as to what do they think of what is being suggested here:http://www.decware.com/newsite/paper145.htmWould this also apply to EL84s?
Ritchie ... This is the Music Reference forum where Roger Modjeski who designed the RM-10 amp hangs out ... he would know.Anyways, I'm wondering if an EL84/6BQ5 can be hooked up this way Steve Deckert is suggesting and would there indeed be an improvement. The EL84/6BQ5 are (by my understanding) used in a rather unique way in the RM10. dougs ... thanks for the links. While reading through, came across the specs here:http://www.klausmobile.narod.ru/testerfiles/6p15p.htmIndeed, quite an interesting tube and still relatively cheap. Those NOS Mullards and Amperex EL84s have gotten scarce and expensive, not that I have tried them though, I use the stock RAM Labs tubes provided with my amp (which I think are re-labeled Sovtek's).
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