4 ohm taps or 8 ohm taps?


I am driving a pair of Swan Diva 6.2 speakers with a MingDaMC34AB vacuum tube amplifier (75 wt/channel ultralinear mode). I have liked the sound for the dollars invested.
The speakers are rated at 6 ohm impedence. I have been using the 4 ohm taps on the amp. I was recently advised to use the 8 ohm taps. I did, and swear the speakers sound too bright, "tinny", and even lost some speaker transparency.
Question One: Am I nuts or is this possible?
Ouestion Two: If it sounds better with the 4 ohm taps, is there any harm or danger to the system of using them in this system?
Thanks for your help and opinions.
R Sasso
rsasso

Showing 2 responses by rleff

I agree with Al;it has always been my experience to use all available taps and then use the one that sounds the best to your ears.
If you are really worried about impedance dips and overstrain then maybe invest in a pair of Paul Speltz's zero autoformers which raises speaker impedances and lightens the load the amp(s) are driving.
I think he has a in home 30 day trial period so if not interested you can return them.