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Thread: Croft pre stepped attenuator

  1. #1
    Join Date: Mar 2011

    Location: Manchester

    Posts: 94
    I'm Carl.

    Default Croft pre stepped attenuator

    Hi,

    I have a Croft pre R S spec but with American octal valves.

    Just wondering if stepped attentuators are worthwhile?

    Thanks
    Last edited by valves; 24-12-2017 at 13:10. Reason: Error

  2. #2
    Join Date: Nov 2012

    Location: Oadby, Leicestershire, UK

    Posts: 311
    I'm Manny.

    Default

    What's got you wondering?

  3. #3
    Join Date: Aug 2011

    Location: Coventry, England UK

    Posts: 534
    I'm Simon.

    Default

    I've got one of these in my passive: http://www.acoustic-dimension.com/at...ators-main.htm

    Superb and a big leap up from the tisbury I was using previously (I believe it uses a Dact 21-step).

  4. #4
    Join Date: Apr 2009

    Location: Near Saffron Walden, Essex

    Posts: 7,087
    I'm Dave.

    Default

    Many stepped attenuators have too coarse steps, so you often have difficulty in selecting the exact volume level you require.

  5. #5
    Join Date: Mar 2011

    Location: Manchester

    Posts: 94
    I'm Carl.

    Default

    Hi,

    Thanks for replies,

    Noticed a few people recommending DACT in Croft pre amps.

    I would need 2, so nearly £400.

    I was wondering if it was a worthwhile modification.

    Carl

  6. #6
    Join Date: Mar 2011

    Location: Manchester

    Posts: 94
    I'm Carl.

    Default

    Thanks for the 41 step link.

  7. #7
    Join Date: Aug 2011

    Location: Nottingham

    Posts: 575
    I'm Ian.

    Default

    Hi Carl,

    I say with hand on heart, if I owned a Croft RS pre (and I did for a little while), I'd leave it as the designer intended and sit back and enjoy it. I just can't help thinking that a possible outcome is spending the £400, getting the DACTs fitted and then not really noticing any sonic improvement.

    Genuinely not trying to be a bore in suggesting leaving all well alone - sometimes the best thing to do is nothing !

  8. #8
    Join Date: Mar 2011

    Location: Manchester

    Posts: 94
    I'm Carl.

    Default

    Thank you.

  9. #9
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,624
    I'm Geoff.

    Default

    Quote Originally Posted by IHP View Post
    I just can't help thinking that a possible outcome is spending the £400, getting the DACTs fitted and then not really noticing any sonic improvement.
    I'm inclined to think the same.


    Somewhat off topic, but if I had a spare £400 to play with, I'd be sorely tempted to try this: https://www.ebay.co.uk/itm/Glasshous...IAAOSwT2daO8Hi

  10. #10
    Join Date: Oct 2017

    Location: Coventry

    Posts: 130
    I'm Mick.

    Default

    Hi, I ordered one of these last night.

    https://www.ebay.co.uk/itm/Dale-23-S...K/322590212161

    I found that the volume pot on my Croft Epoch was not balanced 20kohm difference between sides, currently Ive bypassed the volume using resistors, big improvement. but no adjustment.

    You could try using resistors to see how big an improvement a stepped device would give.

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