i would suggest you hop on ebay and check out a carver tfm series amp they are solid state but as close to tube sound as you are going to get. i just bought a tfm 55 on ebay and it is phenominal driving my klf 30's tfm 55 specs 380/ch into 8 ohm rms 500 watts per chinto 4 ohms rms and over 1000 watts mono into 8 ohms log onto BOB CARVER.COM and check the out!! u won't be dissapointed !! paid 800 for the tfm 55