JMP Guitars Custom Tube Amplifiers
Old Model Guitar Amps

JMP GUITARS TUBE AMPLIFIERS

Previous Models

(No Longer Available)

Chai 36 - 36 Watt EL34 Tube Guitar Combo Amp with Reverb

Chai 36

36 Watt EL34 Tube Guitar Combo Amp with Reverb

The Chai 36 Combo is a powerhouse amp with lush, big reverb and classic, touch-sensitive tone. It features full TMB (Treble, Middle, Bass) controls and a Bright/Fat switch to perfectly match your guitar, whether you’re using humbuckers or single-coils. The tube-driven reverb includes a bright/warm switch, allowing you to fine-tune your reverb tone to suit any style. Plus, it comes equipped with an effects loop for those who love to layer on the pedals.

The Chai 18 Combo is a sweet, versatile amp with shimmering reverb and that same classic, touch-sensitive tone you love. Like its bigger sibling, it boasts full TMB controls and a Bright/Fat switch to dial in the perfect sound, especially for guitars that need a little extra sparkle or warmth. The tube-driven reverb delivers everything from subtle ambiance to surf-ready waves, ensuring your tone is always rich and immersive.

Weight and Dimensions (roughly): Width: 24″ W x 21″ H x 9″ D (includes feet, not handle), about 45 lbs.

DEMO: https://youtu.be/UZ1X5SdKnLc

Chai 18 - 18 Watt Tube Guitar Combo Amp with Reverb

Chai 18

18 Watt Tube Guitar Combo Amp with Reverb

The Chai 18 Combo is a sweet, versatile amp that delivers shimmering reverb and classic, touch-sensitive tone. With full TMB (Treble, Middle, Bass) controls, you can fine-tune your sound to perfection. The Bright/Fat switch ensures your tone stays vibrant, whether you’re using humbuckers or single-coils that might otherwise fall flat. The tube-driven reverb adds a rich, warm texture to your sound, ranging from subtle ambiance to full-on surf vibes—whatever you need, this reverb has you covered.

Weight and Dimensions (roughly): Width: 24″ W x 21″ H x 9″ D (includes feet, not handle), about 45 lbs.

DEMO: https://youtu.be/UZ1X5SdKnLc

TNB - High Gain EF86 Tube Amp

TNB

High Gain EF86 Tube Amp

The TNB Head is all about classic tone with a crisp, high-gain edge. This amp effortlessly transitions from sparkling cleans to gritty crunch, all controlled by the turn of a volume knob. Simply adjust the tone knob to find the sweet spot that complements your guitar and playing style—then crank it up and rock out. It’s straightforward, versatile, and built to inspire.

Weight and Dimensions (roughly): 18″ W x 9.5″ H x 9.5″ D (includes feet, not handle), about 18 lbs.

WTNB Combo - High Gain British Style Amplifier with Reverb

WTNB Combo

High Gain British Style Amplifier with Reverb

The WTNB is the combo version of the iconic TNB Head, but with an added bonus: a sweet, lush, and depth-controllable reverb. This upgrade takes the amp’s already incredible tone to new heights, making it perfect for everything from surf rock shimmer to heavy metal leads. Whether you’re chasing vintage vibes or modern crunch, the WTNB delivers unbelievable versatility and inspiration in every note.

Weight and Dimensions (roughly): Width: 24″ W x 21″ H x 9″ D (includes feet, not handle), about 44 lbs.

DEMO: https://youtu.be/rTnYIxtAhVg

WANT Head - Classic British Style Amp with Reverb and Master Volume

WANT Head

Classic British Style Amp with Reverb and Master Volume

This amp is a fantastic example of soulful, classic tone, delivering sparkling cleans and smooth, creamy overdrive. It features a master volume knob, allowing you to dial in rich tones even at lower volumes, and blend seamlessly between preamp and power amp overdrive. And let’s not forget the tube-driven reverb—it’s so lush, juicy, and immersive, you’ll feel like you can swim in it. Perfect for players who crave versatility and vintage-inspired character.

Weight and Dimensions (roughly): 18″ W x 9.5″ H x 9.5″ D (includes feet, not handle), about 18 lbs.

ANT Head - Classic British Single Channel with Master Volume

ANT Head

Classic British Single Channel with Master Volume

This amplifier shares the same classic circuit as the WANT Head, but with one key difference: no reverb. Designed for purists who want nothing but pure, unadulterated guitar tone, it strips away the extras to focus on what matters most—your sound. If you’re after simplicity and authenticity, this amp delivers.

Weight and Dimensions (roughly): 18″ W x 9.5″ H x 9.5″ D (includes feet, not handle), about 18 lbs.

WBD Combo - Classic Tone, Modern Tweaks

WBD Combo

Classic Tone, Modern Tweaks

The WBD Combo is a versatile, all-around performer, designed for players who crave extra control over their tone. With its expanded EQ knobs, you can fine-tune your sound to perfection. The amp’s solid design and master volume knob make it easy to dial in a wide range of overdrive tones, even at lower bedroom levels. But beware—when you crank it up, this amp SCREAMS… and so will your neighbors, so proceed with caution!

Built with premium components, including ClassicTone TransformersSoZo CapacitorsJJ Electrolytic Capacitors, and other top-quality parts, the WBD Combo is as reliable as it is powerful.

And here’s a fun fact: this rare amp is the only unit to feature the graffiti logo instead of a standard nameplate*, making it a true standout.