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Would McIntosh Auto Transformers affect speaker sound?

I have a question about McIntosh and its auto transformers. The auto transformers allow the wattage to be the same on all ohms. However, you have to pick which ohm to run on the amp to the speaker.

Since a speaker can be dynamic in ohms (dip between 8 ohms and 4 ohms typically), does this mean the McIntosh will not correctly match the dynamic range change? Would it cause the speaker not to give the same soundstage or holographic sound that a traditional amp would give? 

dman777

Showing 2 responses by dman777

dman777 OP
37 posts
 

@audioquest4life

Where I see that as a drawback, is if the speaker is rated at 8 ohms, but dips to 4 ohms, yet your amp does not have a 4 ohm tap, nor has good 4 ohm performance with the 8 ohm tap. Then, you could run into a mismatch as the speaker dips down deep into the low ohm range.

What about a 2, 4, 8 ohm amp like the Yamaha AS-3200 that only has a single pair of taps? I thought a single pair of taps applied to all the ohms the amp is rated for?
 

dman777 OP
37 posts
 

@degx1000 thank you, this was actually really interesting. Question please. Have you heard the MA12000 unit?  If so, how would you describe the sound?Also, Does that use to modern transistors that you mentioned that are not particularly warm?

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