2. amps-preamps
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Tube amp for "difficult" speakers,,,

I have a pair of Consequence Dynaudio, mk 2. They work well with my s-state 2x600 watts amp and sounds great esp at large volume levels. But I want to switch to tubes, and even triode if possible. Is good tube amplification unrealistic with these 83 db sensitivity speakers? I am probably not the only one with somewhat "difficult" speakers so all advice is welcome.
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pubul57
3,712 posts
 
If your speakers do present a difficult load, there is proabably no better all tube amp (hybrids would also work)to deal with dipping impedances the Music Reference RM9 Special Edition which is one of the few amps that actually increases power into 4 ohms (200 watts)compared with 8 ohms (160 watts) and that should be enough power to drive speakers with your sensitivity. However if I did have a difficult speaker load I would proabably look at the Pass XA.5 amps that Tvad recommends.
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pubul57
3,712 posts
 
Ultimately your right, difficult impedance loads (not necessarily but jagged, irregualar dips and spikes) really do need SS.
wavetrader
260 posts
 
Just a thought you might contact Kevin Hayes at VAC and get his thoughts. I have a Ren 70/70 and it has plenty of power for Dynaudio drivers although the crossovers are custom. I know the speakers efficency is in the high 90's. Kevin's amps have tremendous transformers and really deliver more then there stated output in my experience.

Roger
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