Can single ended 211 or 212 amplifiers drive magnepan 20.7?

@dseltz will check them out, thanks! any experience w the class D driving maggies? thanks

I have not had experience with Maggies at all lol. At 4 Ohms, the AS Class D would be putting out 200 W, which I would think would be adequate, but those with Maggies can chime in. Following different threads through the years, it seems many Maggie owners answer is always 'you need more power'. 

If you are in my neck of the woods (New Orleans) I could lend you my AS Class D for a trial run.

@dseltz thanks so much for your input! :) and really appreciative of such a kind hearted and sweet soul like you offering to lend me your amplifier! :) Unfortunately im not anywhere near New Orleans. But very thankful for nice peeps around like you! ☺️

i know of those very rare stuff tt prob will, for example NAT audio large tube amps that output 120w class A

@thegreenman The more power you try to get out of an SET design, the more trouble you have with bandwidth. This is true of PushPull tube amps too, but SETs far more so. Generally speaking, if you want hifi bandwidth without profound phase shift, 7 Watts is often the practical upper power limit of an SET. Heap on top of that the fact that only 20-25% of its power is usable before distortion causes the amp to sound 'dynamic' and you can see that if you want to get the most out of SET technology you need a high efficiency speaker in most rooms. 

SETs really don't do well playing bass either. This is because of how the output transformer has to be built to prevent it making a great deal of distortion. So if you want to use an SET in its best light, its a really good idea to prevent bass frequencies from getting into the amplifier at all. 

But you need clean power with Maggies. If you were to bi-amplify, you're better off putting a PushPull tube amp on top rather than an SET. It will be more transparent owing to less distortion and far more musical because of the power requirements. PP tube amps often make about 90-95% usable power.

Class D amps that  use feedback have no problems with Magnaplanars. 

@atmasphere wow you really are the master! Thanks so much for your heartfelt advice! Think its the answer tt I dont like, but need to hear! Appreciate it a lot! 

Also, what do you think about parallel single ended amplifiers? eg 2 or 4 211 tubes per channel? I have heard some people say PSEs lose the magic as their power supply is shared/compromised compared to pure SETs.

Thanks!