Peavey Classic 20 MH 20-Watt Tube Amp Head - Switchable Wattage | No Limit Guitar Co, Idaho Falls

The Peavey Classic 20 MH is a two-channel mini tube amp head built for guitarists who want real tube tone in a compact, road-ready package. Switchable between 20, 5, and 1 watt, it delivers cranked-amp character at rehearsal and stage-friendly volumes without sacrificing the feel and response only tubes can provide. Whether you play blues, country, or rock, this amp is a versatile and dependable choice available now at No Limit Guitar Co in Idaho Falls.

Product Overview

The Classic 20 MH is housed in a classic lacquered tweed cabinet measuring just 14" wide and weighing 16.7 lbs — easy to transport, easy to mic, and ready for the stage or studio. Peavey built this head around a 3 x 12AX7 preamp section and 2 x EL84 power tubes, a combination that produces the chimey, touch-sensitive response EL84s are beloved for across clean and overdriven tones alike.

Two footswitchable channels handle everything from glassy clean tones to driven rock leads, with a 3-band EQ and onboard reverb shaping your sound across both. The wide tonal range makes it equally at home for twangy country picking, warm blues leads, and classic rock crunch — all from one amp.

For direct recording and live use, the Classic 20 MH includes a Microphone Simulated Direct Interface via XLR output and a USB output for recording straight into your DAW. The Tube Status Indication feature monitors your power tubes and alerts you when one is failing — a practical safeguard for working musicians who can't afford a mid-gig surprise.

Ideal For

• Gigging guitarists seeking a reliable, compact tube amp head for blues, country, and rock
• Recording musicians who want easy direct-to-DAW tube amp recording via USB
• Players looking for a switchable wattage tube amp head for cranked tone at low volumes
• Rehearsal and home players who need real tube feel without full-wattage volume
• Touring musicians who need a lightweight, dependable amp head built for the road

Key Features

Switchable Power Modes (20W / 5W / 1W) The Classic 20 MH lets you dial back the output wattage to get that saturated, pushed-power-amp tone at volumes that won't empty the room. All three power modes maintain genuine tube response — not a simulation.

Tube Status Indication Peavey's Tube Status Indication monitors the health of your EL84 power tubes and alerts you when one is underperforming or failing. For gigging players, this is a practical, real-world feature that can save a show.

Microphone Simulated Direct Interface (XLR) The built-in XLR direct output with microphone simulation lets you feed great-sounding amp tone directly into a PA or audio interface without needing a microphone or cabinet — ideal for direct live performance or silent-stage setups.

USB Recording Output A dedicated USB output connects directly to your computer for easy DAW recording with no additional interface required. Capture tube amp tone at home or in the studio with minimal setup.

Footswitchable Channels, Reverb & Effects Loop Both channels, the onboard reverb, and a full effects loop are all footswitchable, giving you hands-free control over your tone during live performance. The effects loop keeps your time-based and modulation effects in the right place in the signal chain.

What's Included

• Peavey Classic 20 MH Tube Amp Head
• Standard IEC AC power cable
• Peavey manufacturer warranty

Technical Specifications

Type Tube

Channels 2, Footswitchable

Output Power 20W / 5W / 1W (Switchable)

Preamp Tubes 3 x 12AX7 / ECC83

Power Tubes 2 x EL84

EQ 3-Band

Reverb Yes

Effects Loop Yes

Inputs 1 x 1/4"

Outputs 1 x XLR (Mic Sim Direct), 1 x 1/4" Speaker, 1 x 1/8"

Footswitch I/O Yes

USB Output Yes

Construction Lacquered Tweed

Power Source Standard IEC AC Cable

Height 7.28"

Width 14"

Depth 7.75"

Weight 16.7 lbs

MPN 03614150

Get Your Hands on This Peavey Tube Amp Head Today

Come try the Peavey Classic 20 MH at No Limit Guitar Co in Idaho Falls and hear what switchable tube wattage can do for your tone. Have questions or want to check availability? Contact us through our website or stop in — our team is happy to help you find the right amp for your playing style.