Used Marshall SV20H Tube Guitar Amp Head

Used and in excellent condition, this Marshall SV20H Studio Vintage tube amp head offers an authentic Plexi experience with the reliability and character you'd expect from a trusted name in guitar amplification. Delivering the classic British tone in a manageable 20-watt format, it features two ECC83 preamp tubes and two EL34 power tubes, along with the iconic 1959SLP-style controls—including Treble, Middle, Bass, Presence, and four distinct volume/gain knobs—for precise tonal shaping. The amp's dual-channel design (Normal and High Treble) with input bridging options provides impressive flexibility whether you're chasing crisp cleans or rich overdrive. The high/low power switch (20W/5W) ensures seamless performance in both live and studio settings. With all original components intact and light signs of careful use, this SV20H remains a superb choice for players seeking reliable, vintage sound in a portable, professional-grade head.