The SV20H brings the classic tone of the 1959SLP straight to your home. Arguably the most famous amp of all time has been perfectly reinvented for today’s guitarist. Uniting the original all-valve sound with the choice to switch between 20W and 5W at the touch of a button, all packed into the definitive rock rig.
Handcrafted in the UK
Capturing the classic Marshall spirit with an iconic British built valve amp.
Tame the untameable
Everything you expect from the 1959SLP now available with power reduction technology, letting you shift through the gears from 20W to 5W.
Classic sound captured
Accurately recreating the iconic sound heard on thousands of influential tracks from across the years.
A sonic essential lovingly recreated for today’s player, the SV20H the truly mirrors the 1959SLP.
Output wattage 20W (with power reduction option to 5W)
Outputs 5 x 1/4” jack sockets, selectable 16Ω / 8Ω / 4Ω load
Inputs 4 (2 x high, 2 x low) "Lead and Bass"
Controls Low/High power mode selection switch, presence, bass, middle, treble, high treble/loudness I, normal/loudness II
Effects loop Yes, series, send/return
Preamp valves 2 x ECC83, 1 x ECC83 (phase splitter)
Power amp valves 2 x EL34
Cable Detachable power cable included, speaker cable included
Dimensions (including feet and handle)
Weight 9.25kg / 20.4 lbs
Width 500mm / 19.7"
Height 240mm / 9.4"
Depth 230mm / 9.1"