This is the original, full 900-watt M9 Carbine! Sent the serial number to Mesa Boogie and had them confirm.
I love this head but an injury has forced me to switch to an even lighter option.
It is in perfect working order, as far as I can tell. It lived it's entire life in a shock-mount rack case. The only real cosmetic blemishes are the couple of marks (as pictured) where it appears the screws from the power conditioner that lived above it in the rack rubbed against it and then a few random smudges and such on the bottom. I do not seem to have the rubber feet since it lived in the rack. They are a few bucks on Amazon and elsewhere if you don't plan to rackmount.
Comes in the original box with the original pedal, extra long cable, and power cord, as pictured.
Reasonable offers will be considered but lowballs will, of course, be ignored.
Features
Trans-Class Power
900 watts at 4 or 2 Ohms
450 watts at 8 Ohms
Rackmountable (2 rack spaces)
Active/passive input switch
Vacuum tube preamp w/1x Mesa 12AX7
Gain, Active Bass with Pull Deep, Passive Mids
5-Position Active Mid-Voicing Switch, Active Treble and Master Volume with Pull Mute
Footswitchable, assignable or bypassable 9-Band Graphic EQ with Mid-Voice Active/Defeat Switch
Assignable or bypassable compressor with independent threshold and ratio Controls
Tuner Output with footswitchable Amplifier Mute
FX Loop with Automatic Hard-Bypass to completely remove when not in use