Here we have the spec for the Blues 112:

• Single channel, class A combo
• Triode/Pentode switching
• 10W RMS (pentode), 2.9W RMS (triode)
• Tube power amplifier/preamp
• Master volume design
• Four switchable preamp/bias styles (Clean, American crunch, British crunch, Turbo)
• Triple spring Accutronics reverb tank with solid state drive and recovery
• Celestion Vintage 30 loudspeaker (12" 60W)
• Effects/slave loop
• Dual inputs, low and high sensistivity
• Preamp tube filaments operated from DC supply for low noise
• Extension speaker output (8/16 ohm)
• Size 22" W x 17" H x 10" D  559mm x 432mm x 254mm   Nett
• Weight 51 lbs  23.2kg  Nett