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The Dynaco Tube Audio Forum

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


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    4or6 ohms tap

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    jim151


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    Post by jim151 Fri Feb 26, 2010 1:40 pm

    NHT Classic 2 Speaker 6 ohms 4 or 6 ohms tap on my VTA ST 70 ?

    Jim
    Bob Latino
    Bob Latino
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    Post by Bob Latino Fri Feb 26, 2010 3:54 pm

    jim151 wrote:NHT Classic 2 Speaker 6 ohms 4 or 6 ohms tap on my VTA ST 70 ?

    Jim

    Hi Jim,

    You could try both taps but probably the 8 ohm tap might be a better match because most speakers have a little higher impedance than stated at certain frequencies in the audio spectrum.

    Bob
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    jim151


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    Post by jim151 Fri Feb 26, 2010 4:14 pm

    Thanks again Bob
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    GP49


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    Post by GP49 Sat Feb 27, 2010 2:45 pm

    OTOH the higher impedance tap will have a higher source impedance, which means lesser control over the woofer in the low frequencies. With some woofers, whose alignment may be underdamped, this could result in an audible difference.

    I am not familiar with the NHT Classic 2 so I can't say how this will affect YOUR system.

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