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In Reply to: RE: Adding series resistor for ribbon? posted by andyr on February 16, 2015 at 14:49:25
Well surely I don't have to use SET, but I just think that it would be a good choice from sound quality point of view.
I don't know if there are any reasonably priced SET tube amps woth 2ohms output..?
Follow Ups:
Yes, I know the mystique about SETs. And that's one of the reasons why people choose tube amps to drive Maggies. However, I have read posts here which say that tube amps (not sure whether they're SETs or P-P) don't control ribbons as well as ss amps.
So maybe you need to research ss amps which can drive a 2ohm load? As I said, Hugh Dean's NAKSA 80 (down-rated slightly by having a lower DC rail - so it produces, say, 60w into 8 ohms and not 80w) can drive a 2 ohm load well. I'm sure there must be others.
Regards,
Andy
Unfortunately I could not find any distributor for NAKSA here in Europe, I don't know if there are any..? I would not want to order electronics all the way from Australia, due the high delivery funds, taxes, customs, difficult warranty arrangements etc. etc.But surely if I don't find any good way to use tube SET for ribbons (and maybe for mids also), I will look for some nice A-class SS amp or such.
Edits: 02/17/15
There are no 'distributors' for Hugh Dean's amps - he supplies direct. But I suspect this is not your way of doing things. I know he has a customer in Copenhagen ... he may well have one in your country too (so you can hear it).
Regards,
Andy
Andy, have you done any blind testing on this? It is very difficult to run tests like that without having exactly matched levels.
We are having a discussion on the sound of capacitors in a swedish forum right now, it is very similar. Not many have ran blind tests. In a controlled blind test things often show up differently...
Hope you have your flame-proof undies on. :-)) I have no idea which larger-value caps sound the best (that you use in passive XOs) but for coupling caps (1uF - 2uF) that I use in my 'Muse' phono stage, customer's input has shown:
* the best (that I have used) are Duelund RS400v Copper. Possibly a more expensive Duelund sounds better?
* then - in spite of being more expensive - Sonicap Platinum
* a long way behind ... AmpOhm PF-XAL-AL Paper-in-Oil Aluminium Foil.
Regards,
Andy
The new Jupiter Cu wax cas have captured the heart of my modster friend and have displaced the Sonicap Platinums. For value I can't find better than the Dayton tin foil caps from parts express.
Haven't tried the Jupiter Cu, Satie, but those Duelund ones I mentioned sound better than Sonicap Platinums, too. And they're cheaper!
Andy
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