Matchless Avalon 30R Head Spec

Power: 30 Watts/Switchable to 15 Watts
Channels: 1
Switches: On/Off, Standby, Hi-Lo, 3 Position Rotary, Impedance
Power Tubes: 4 x EL84
Preamp Tubes: 3 X 12AX7, Reverb: 5 x 12AX7
Rectifier Tube: 1 x 5AR4
Features: Hi/Lo Inputs, Volume, Bass, Treble, Cut Push/Pull Master Volume, 2 Speaker Output, Effect Loop
Speaker Output: Switchable Impedance of 4, 8, and 16 Ohms
Weight: 40 lbs.
Dimensions: 21 3/8” x 11 ¼” x 9” 21 3/8” x 11 ¼” x 11 ¼” (Reverb Model)