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Impedance Matching - Tube Amp/Speakers

Hi, I am not technical guy, so excuse my questions. This weekend my friend did check bias on my VTL ST-85, which I recently did buy, and he also measured my speakers Dunlavy SM-1. Multimeter showed him that they are 4 ohm spekares (althought, on paper, they should be 6 ohm). He told me that this is not good combination - 4 ohm speakers and tube amp. So, is it safe using VTL ST-85, or tube amps generally, with 4 ohms or 6 ohms speakers? I am really confused because I like sound, but also dont want damage my amp or speakers.
arzach

Showing 1 response by larryi

larryi
3,721 posts
 
You should try the speaker with both the 4 ohm and 8 ohm tap to determine which sounds better. Using either is entirely "safe" in terms of not damaging gear.

The 4 ohm tap will deliver less power, but, it will increase the damping factor, something that may improve the frequency response (typically, tighter, better defined bass).
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