Joyo JF-307 Clean Glass Preamp/Rack Amplifier

Joyo JF-307 Clean Glass: Classic Amp Tones in a Mini Pedal

The Joyo JF-307 Clean Glass brings authentic California amp simulation to any pedalboard within a tiny enclosure. Designed to deliver the bright, dynamic tones found in classic Fender-style amplifiers, this pedal covers everything from sparkling clean to driven sounds. Players needing a space-saving solution for vintage amp textures will appreciate the amp sim for both live gigs and recording environments. The JF-307 Clean Glass offers studio-grade direct sound in a compact format, bypassing the need for bulky gear.

Standout Features: Versatile Simulation in a Tiny Housing

What stands out is its ability to span a wide tonal palette inside a minimal footprint. Outfitted with a robust metal chassis and flip-top lid, this model safeguards your settings in transit. True bypass ensures clarity in your signal, while the voice control provides "blackface" brilliance or tweed-style warmth, capturing nuances from several legendary amp eras.

Precise Tone Control for Studio and Stage

With flexible EQ and gain knobs, guitarists can tailor their sound for recording direct or pushing an amp. Subtle tweaks reward players with glassy cleans or thick, harmonically rich overdrive at moderate gain settings.

• Input Impedance: 1 MΩ — ensures compatibility with all guitars and preserves pickup tone
• Optimized output impedance at 10 kΩ allows direct connection to mixers, interfaces, or amps for seamless integration
• EQ: Tone, Voice, and Gain controls — offers a wide sweep for both vintage and modern textures

Portable Design, Premium Construction

Frequent performers value a pedal that slots into any board and survives travel. The JF-307’s sturdy construction and light 220 g weight fit those requirements, while its compact dimensions leave more room for additional effects.

• Dimensions: 73 × 43 × 50 mm — saves valuable pedalboard space
• Weight: 220 g — lightweight yet solid construction
• Protective all-metal housing with a flip-top cover ensures your controls remain safe and unaltered

Reliable Power and Signal Flow

Easy powering and stable signal integrity define the Clean Glass experience. Quiet operation and consistent performance make it suitable for direct recording or use as a preamp into an amplifier.

• Power Supply: DC 9 V (center negative, not included) — straightforward pedalboard integration
• Current Draw: 25 mA — efficient for daisy chains or isolated power sources
• True bypass switching preserves your tone when the pedal is off

Who Should Choose the JF-307 Clean Glass?

Session musicians, live players, and home recordists gain flexibility and tone shaping from this pedal. The JF-307 Clean Glass is the answer for those needing portable, premium-quality amp simulation covering pristine cleans through bluesy overdrive—perfect for anyone seeking authentic American amp character in a minimalist footprint.