The Rikstone H50a S is a Stereo amp which is suitable for guitar playing as well. It's based on VOX AC50 providing a pretty high headroom. 

Technical data:

Inputs/ch: 2 inputs, 6.3 mm jack and RCA
Outputs/ch: 16, 8  and 4 Ohm
Controls/ch: VOLUME, BASS, TREBLE, MASTER
Loop/ch: Preamp out/poweramp in, preamp cut off switch
Tubes: 5 x 12AX7, 4 x EL34
PT: Hammond 372JX
CHOKE: Hammond 159Q
OT: Hammond 1750P
Rectifier: Semiconductor diodes
Block diagram Diagram