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In the Forum: Melquiades Amplifier
In the Thread: A different breed of 6C33C amplifier.

Post Subject: 6C33C bass.Posted by KOTriode on: 3/14/2012

I am not too worried about the 6C33C bass, since I have other alternative. Even if lower loading will improve it, the problem is to get more power out of the 6C33C to a 40W (PSE perhaps) level to be able to drive the 12in or 15in woofer, even then the level of distortion of these tubes at that power would have been in double digit or some kind of feedback will have to be used. It's just curiosity that led me to experiment the 6C33C driving the 15" at 100Hz as DSET and in another case, the 15" (with 150Hz passive low pass) together with the 8in (2Khz passive lopass) in the OB system. Also, the OB 15in might not give thunderous bass as the a vented box, but then with its electromagnet would give the sense of speed that would be perfect for a horn system to come in the next few months (when I got the mechanical mounting problem sorted out), trying to match a 15in woofer to a horn at 500-600Hz is no easy feat. You will be surprise how a simple OB with 6db roll off can easily rattle the windows of your room playing Reference Recordings Firebird Suite.
PS. I lived in The Silicon Valley.

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