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High powered single end 300b recommendations

I would like to try a se 300b integrated to find out what the famed sound is like. However, at 86db, my Harbeth S-HL5 are not very efficient. They need more like 25-30W to drive them.

 

Any recommendations on an 300b amp that will work with these speakers? 

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dishawasha
12 posts
 

Here's a 50W Frigata 300B from Finale,

 

 

moofoo
292 posts
 

They are not 300b powered, but Audio Mirror 45w SET mono blocks may be worth a look. Really like mine. No problem driving my 86db speakers. They sound great.

carlsbad's avatar
carlsbad
1,551 posts
 

Physics limits the 300b SET to about 8 watts.  

Switching to tubes often means you need to switch speakers.  

Jerry

mbmi's avatar
mbmi
572 posts
 
@moofoo I’m very impressed with Vlad at AUDIO MIRROR......I may look into his amps because of how musical his Toubadour IV SE DAC is.....that I own.
verdantaudio's avatar
verdantaudio
1,500 posts
 

A 300B SET is going to give you 8-10w.  You can step up to a 300B XLS and get about 13w.  the 520B which is in the same family will get you to 16w.  A parallel SET of 520Bs will get you to about 28w.  

This is simply based on the specs of the tube.  What you can do is get a Push-Pull which will deliver between ~32-40w in power.  A good option would be KR VA830 which runs four 300Bs.  

If you research KR Audio, there is a site KRAudioUSA.com which is run and maintained by someone claiming to be the US Importer for KR that has an axe to grind with KR.  They do not have access to KR and never have.  

It is a good company that makes nice amps.  

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