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300B PSET

I love singled ended 300B for its musicality, tone, refinement, basically that mid range magic. However 6-8 watt 300B in single ended configuration usually lacks low and high frequency extension. Is a well executed parallel single ended 300B amp putting out 18-20 watts the best of both world with better bass and yet retaining that mid range magic?
edoit

Showing 2 responses by charles1dad

charles1dad's avatar
charles1dad
10,250 posts
 
Edoit,
I have to suspect this is speaker matching related rather than a case of lack of power availability. I've heard enough SET 'single' tube 300bs to know that these frequency extremes are present(with a properly chosen speaker). Depending on the particular speaker in question(load/characteristics) a PSET could certainly be the better choice.You really must view the amplifier and speaker as one entity (inseperable pairing).There are listeners who obtain full frequency sound with 2 watt 45 SET amps if using an appropriate speaker.
Charles,
charles1dad's avatar
charles1dad
10,250 posts
 
Edoi,
I like both 845 and 300b SET amplifiers, I do understand your attraction to the 300b attributes. A PSET 300b could be an ideal compromise with this speaker.Some 300b SETs with identical watts/power ratings will still vary significantly in bass and HF performance due to design, power supply and output transformer quality.I like your taste in speakers by the way. Generally speaking the 845 will provide very good bass and drive. The 300b perhaps a bit more nuanced and intimate(there's much overlap between these two tubes in reality due to implementation).
Charles,
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