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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Looking for a high pass filter kit posted by drlowmu on July 5, 2014 at 09:54:03:
Yes, you will be adding another active stage comprised of one or more tubes. But consider why you are doing this in the first place. The benefits of sparing the SET from amplifying bass frequencies may more than outweigh any small losses from the active crossover.As Paul said you do need to be careful with phase shifts from the combines filters.
Look for the Steve Bench crossover circuit. This is a simple one tube design. Also look at Marchand Electronics. They even publish manuals with schematics if you want to customize their designs. The Marchand crossovers are well regarded.
As for the matched amps, matched wire lengths, timing (other than phase shift), this is all a bunch of hogwash at audio frequencies.
Edits: 07/07/14 07/07/14
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Follow Ups
- A lot of Hogwash! - gusser 10:54:24 07/07/14 (2)
- Consistent and predictable - drlowmu 14:18:25 07/07/14 (1)
- RE: Consistent and predictable - Ray Moth 06:30:36 07/13/14 (0)
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