The PRS J-MOD 100 John Mayer Signature 100-Watt Guitar Amp Head is the ultimate choice for musicians seeking a versatile and expressive amplification experience. Designed in collaboration with John Mayer, this amp head is not only a powerhouse for live performances but also an articulate tool for studio recording. Its switchable gain stage offers a seamless transition from clean tones to rich, harmonic leads, making it a favorite among both single-coil and humbucker users.

Inside, the J-MOD 100 is built with precision and care. It houses four 12AX7 preamp tubes and four 6L6 power tubes, ensuring a robust and dynamic sound. The inclusion of a premium Cinemag Texas 100 transformer delivers a harmonically rich output, while the thoughtfully designed tone stack and controls, like the Bright switch and Presence control, provide a wide range of sonic possibilities. The amp's clever construction features five separate circuit boards, enhancing durability and signal clarity.

Maintenance is a breeze, with rear-panel access to fuses and bias points, allowing for easy adjustments and the flexibility to experiment with different tube types. Whether you're on stage with Dead & Company or crafting your next studio masterpiece, the PRS J-MOD 100 ensures your tone is always at its best.

Key Features:

• 100-watt, single-channel design with switchable gain stage
• Cinemag Texas 100 transformer for rich harmonic output
• Series effects loop for easy integration of reverb and other effects
• Rear-panel access for fuses and biasing
• Compatible with various tube types (requires re-biasing)
• Includes 2-button footswitch for Effects Loop and Gain Boost

Product specs

FAQs

What type of tubes does the PRS J-MOD 100 use, and can they be swapped for other types?

The PRS J-MOD 100 uses four 12AX7 tubes in the preamp section and four 6L6 tubes in the power amp. It can also accommodate EL34, 6CA7, or KT77 tubes with re-biasing.

Does the PRS J-MOD 100 have multiple channels or any built-in effects?

The PRS J-MOD 100 is a single-channel amplifier with a switchable gain stage and an effects loop but does not include built-in reverb or other effects.

What are the impedance options available on the PRS J-MOD 100?

The PRS J-MOD 100 offers impedance options of 4, 8, and 16 ohms, allowing flexibility with different speaker cabinets.

Is the PRS J-MOD 100 suitable for live performances with a full band?

Yes, the PRS J-MOD 100 is a 100-watt tube amplifier, providing ample power and headroom for live performances with a full band.

Does the PRS J-MOD 100 support an effects loop?

Yes, the PRS J-MOD 100 includes a built-in effects loop, allowing for easy integration of external effects pedals.