Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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RE: So does every attenuator

Posted by ultraficables@gmail.com on February 2, 2016 at 07:13:21

In Reply to: RE: So does every attenuator posted by airtime on February 2, 2016 at 06:51:53:

John Chapman, aka Bent Audio, no longer sells to individuals, only to OEMs. So, you can't get anything from him.

Being friends with John, I know that the motor control was never the best solution. In other words, it had its problems.

Switches can also be problematic. They wear out, etc.

The best solution is the mercury wetted relays found in the remote control version, both functionally and sonically. I've lived with both and compared.

I was one of the early users of Dave Slagle's autoformers. OK, I volunteered to be a guinea pig. That was something like 15 years ago, been using autoformers every since.

The remote modules are found in the Vinnie Rossi LIO, btw.

My remote autoformers are 60, 1dB steps, including one last step with a bit of gain. There's balance and mute too.

The version you are looking at with two controls is a course and fine adjustment of sorts that changes the input and output connections to the autoformer to achieve 1.25 dB steps with fewer taps coming out of the autoformer. There's a practical limit to how many taps can be brought out. Plus, there's a limit to how many solder connections DIYers are capable of making....

As to fmak's comments, well, that's in error, uninformed and without experience.

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