Yes, I will try the 4 Ohm tab. The problem is that I don't have the golden ears:-):-):-) Thanks for the advice.
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According to this review your speakers have a nominal impedance of 8 ohms, and a minimum impedance of 6 ohms. Also, the reviewer states that he found them to be easy to drive, and that they provided good results with an amplifier and a receiver that could be expected to not perform at their best when dealing with low impedances. Which suggests that it is more likely than not that the 8 ohm tap (not tab) would be the one that would provide you with best results, although as the others have said trying both taps would certainly be a good idea. Also, like many ARC amps your VS115 has an output impedance (about 1 ohm, for the 8 ohm tap, according to these measurements) that is a bit lower than average for a tube amp, which further suggests that using the 8 ohm tap is likely to be what you would find to be preferable. Good luck. Regards, -- Al |
I'm with almarg on this one - and kudos to him (her? sorry almarg!) for doing the research. The fact that the minimum speaker impedance is 6 ohms, combined with the output impedance of the ARC amp of about 1 ohm, brings us up to 7 ohms total (roughly). For a "set it and forget it" approach, I'd go with the 8 ohm tap. That said, as seikosha pointed out, it really is a personal taste question and it's up to your own ears to decide. If you can't hear the difference, then take it as a sign that you may be spending too much money on audio gear - as well all are. ;-) |
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