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Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Dynaco VTA tube amp kits, all Tubes4hifi.com products and all Dynakitparts.com products


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    bigsmall

    Posts : 13
    Join date : 2012-01-27

    ask for help

    Post by bigsmall on Fri Jan 27, 2012 8:05 am

    i have a st70 ,can any one tell me is ok to drive my Ls3/5a.
    many thanks

    Captain Coconut

    Posts : 209
    Join date : 2009-10-13
    Age : 64
    Location : Great White North

    Re: ask for help

    Post by Captain Coconut on Fri Jan 27, 2012 8:56 am

    I used to have a pair of these in the early 80's and drove them with the venerable NAD 3020. 15 watts I think? It worked fine. Apparently, tube amps really make the LS3/5A sing, so the ST70 would be perfect. The speaker has an 11 ohm nominal impedance rating, so experimenting with the 8 and 16 ohm taps would be worthwhile.

    bigsmall

    Posts : 13
    Join date : 2012-01-27

    Re: ask for help

    Post by bigsmall on Fri Jan 27, 2012 10:56 am

    thank Captain
    thanks you for your advise.will try.
    yes my speaker 11ohm
    so is it ok to use 16ohm taps to experimenting? Very Happy



    Captain Coconut

    Posts : 209
    Join date : 2009-10-13
    Age : 64
    Location : Great White North

    Re: ask for help

    Post by Captain Coconut on Fri Jan 27, 2012 11:05 am

    I don't see a problem with trying it. I had a pair of speakers (Triangle Titus) a few years back which had a 6 ohm impedance. I tried both the 4 and 8 ohm taps on my tube amps (Quicksilver Minis) and the speakers sounded much better on 8 ohm.

    aliveatfive

    Posts : 7
    Join date : 2009-03-21

    Re: ask for help

    Post by aliveatfive on Sun Jan 29, 2012 4:16 pm

    I've been using a Tubes4hifi Stereo 70 driving Sterling LS3/5as for years. The amp does a great job with those speakers. You'll have no problem.

    JunkyJan

    Posts : 100
    Join date : 2008-12-08
    Location : BC, Canada

    Re: ask for help

    Post by JunkyJan on Sun Jan 29, 2012 5:57 pm

    aliveatfive wrote:I've been using a Tubes4hifi Stereo 70 driving Sterling LS3/5as for years...
    Hi Aliveatfife

    I have long been wondering what the Rogers LS3/5A seres of speakers sound like - especially when coupled with an ST-70. Does it sound good? (I have been sucked in by the mystique surrounding these speakers ;-) - been trying to find an affordable pair for years!)

    -- JunkyJan

    bigsmall

    Posts : 13
    Join date : 2012-01-27

    Re: ask for help

    Post by bigsmall on Sun Jan 29, 2012 11:27 pm

    aliveatfive
    thank you of your adviser.
    so what ohm you use 8 or 16.

    aliveatfive

    Posts : 7
    Join date : 2009-03-21

    Re: ask for help

    Post by aliveatfive on Mon Jan 30, 2012 3:09 pm

    I'm using the 8 ohm taps to drive the speakers. Stirling is a British company that has been selling a slightly re-worked version of the original LS3/5A. I use these in a second system (in a living room) where they sound fine. I'm using a Theta Miles CD player and an hd (that's hybrid-digital) tuner.
    If anyone is interested in these speakers, they are sold by Acoustic Sounds on the net.

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