HV 30 30 Watts  12" Celestion™  Lead & Rhythm  2 High Gain  2 Clean  12AX7  Bass, Middle, Treble  16 Programmable  Gain & Volume  N/A  No  Speaker Emulated  Yes  Yes  Yes  Front Panel Switch Only  Channels & Effects On/Off  15.1H x 18.1W x 9.8D  384H x 460W x 248D  27 lbs/ 12.3 kg

HV 20 20 Watts RMS  One 10" Celestion  Lead & Rhythm  One  One  12AX7  Bass, Treble  Eight + Reverb  Gain & Volume per Channel  No  No  No  Yes  Yes  Yes  No  Channels, Effects On/Off  14 (H) x 17.25 (W) x 8.25 (D)  35.6 (H) x 43.8 (W) x 21 (D)   21 lbs / 9.5 kg

HV100THD 100 Watts RMS  N/A  Two  4 High Gain  4 Rhythm  12AX7  Bass, Middle, Treble per CH  16 Programmable  Gain & Volume per Channel  Yes  Send & Return  Speaker Emulated  Two, 4-Ohm Minimum Total  No  No  Via Panel or option Footswitch  Channels, Boost, Effects  11.5 (H) x 27 (W) x 9.75 (D)  29.2 (H) x 68.6 (W) x 24.8 (D)  30.5 lbs / 13.8 kg