SET Asylum

Single Ended Triodes (SETs), the ultimate tube lovers dream.

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Re: 845 or 300B

Posted by groverg on January 23, 2003 at 19:16:38:
The sonic difference, IMHO, is that the 845 plays music with an authority and reach that the 300B simply does not posses. The 300B can rock, but the 845 RUMBLES. Orchestral works, massed voices, organ and other difficult material come across with a spaciousness and breadth that the 300B simply can't muster. Most people are convinced when they hear a solo piano recording--the bottom end of the instrument is conveyed in an extremely convincing manner. It is also more neutral, tonally, than most 300Bs and, to my ears, better relays the unique properties of different recordings. It will also drive an amazing number of real-world speakers that the 300B can't touch. And it costs about $40--one of the best buys in audio, as far as I'm concerned.
Technically speaking, the 845 demands high voltages, well-designed circuitry and difficult-to-source components to sound its best, though it will produce a pretty impressive 5 watts at lower voltages. Still, it's not an easy tube to work with.
I use older ProAc Response 2's and they are very 300B-friendly, and I had a lot of fun with different 300B projects, all of them very satisfying in their way. But once I started working with the 845, I couldn't go back.