I have difficulty with 92db / 8ohm speakers running out of juice with the 30.5 which runs to 130 watts at redline, per Stereophile measured data.
If power is the only issue, and I'd really keep an eye on the bias meter, perhaps going upline to the 60.5 would do the trick.
http://www.stereophile.com/content/pass-labs-xa305-power-amplifier-measurements
If power is the only issue, and I'd really keep an eye on the bias meter, perhaps going upline to the 60.5 would do the trick.
http://www.stereophile.com/content/pass-labs-xa305-power-amplifier-measurements