Bass Liner

The HAO Bass Liner Preamp pedal, co-designed with Phil Jones of Phil Jones Bass, is a stompbox-sized preamp offering a range of professional audio features. It is primarily designed for four, five, and six-string bass guitars. The pedal features a 5-band EQ with separate Input Gain and Output Level controls, providing up to +10 dB boost. The 5-band EQ offers 18 dB of cut/boost at key frequencies, including 50 Hz, 160 Hz, 630 Hz, 2.5 kHz, and 12 kHz, allowing for precise tonal adjustments to suit various musical styles and bass instruments. The Bass Liner also includes True Bypass and a mute switch, enabling silent tuning via the secondary Direct Output jack. This secondary output can be used for isolated direct signal recording or live mixing. The pedal can be powered by either a 9-volt battery or a tip-negative polarity DC adaptor ranging from 9 to 18 volts, with higher voltage providing increased punch and clarity. The HAO Bass Liner Preamp pedal is hand-built and is available for purchase at a price of $349 in the U.S., distributed by Godlyke.

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Rust Booster

The HAO Rust Booster III is a simple yet versatile guitar booster designed to provide instant signal boost without altering the tonal coloration. It features Drive and Level knobs, offering a natural, crunchy overdrive reminiscent of classic guitar tones from the early 70s while remaining faithful to the original amp tone frequency spectrum. The RB-III improves upon the popular Rust Booster I circuit by increasing the range of distortion, allowing for a wider variety of tones. Additionally, the amount of output has been increased, making the RB-III perfect for use with low-output pickups. Bass players will appreciate the RB-III for its ability to boost bass signals without sounding thin or muddy. Specifications: \- Input Impedance: 1 Meg Ohm \- Output Impedance: 10K Ohm \- Controls: Drive, Level \- Switch: True Bypass On/Off using 3PDT \- LED: High Illumination Blue \- Jacks: Input/Output (standard ¼”), AC In (2.1 mm barrel, tip negative) \- Power: 9-Volt battery or AC adaptor (9 VDC, 200 mA, tip negative regulated) \- Size: 113 mm (L) x 63 mm (W) x 35 mm (H) \- Weight: 458 g (with battery) The Rust Booster III by HAO is suitable for a variety of use-cases, including clean boost, overdrive, and boosting bass signals. Its compact design and versatile functionality make it a valuable addition to any guitarist's setup.

Rust Ride Bass Driver

The HAO Rust Ride Bass Driver (RR-1) is designed to provide bassists with a functional, professional-quality overdrive without compromising note clarity or low-end response. The pedal's components were meticulously selected to maintain the original bass tone and note attack/release dynamics that are often lost with other overdrive units. It features a preset EQ offering three different frequency curves without altering the overall frequency operation range, providing voicing options that can't be achieved with a normal tone control. The Rust Ride Bass Driver has passive and active inputs, allowing it to operate with any type of bass, while individual dry and effect outputs offer routing of clean bass tone to a tuner, P.A. system, or a second amplifier. Technical Specifications: \- Input Impedance: Approximately 500K-ohm \- Output Impedance: Approximately 100K-ohm \- Controls: Level, 3-position mini EQ switch (Normal, Bright, Warm), DC9V adaptor jack (Negative Tip), True Bypass ON/OFF footswitch with LED \- Size: 121(L) x 86(W) x 36(H) mm (excluding knob, switches, and jacks) \- Weight: Approximately 330g (including a 9V battery) The Rust Ride Bass Driver is hand-built in Japan and is designed to deliver a vintage sound reminiscent of the 70s, offering a range from overdrive to distortion with a thick, harmonically rich tone.

Rust Booster

The HAO Rust Booster III is a simple yet versatile guitar booster designed to provide instant signal boost without altering the tonal coloration. It features Drive and Level knobs, offering a natural, crunchy overdrive reminiscent of classic guitar tones from the early 70s while remaining faithful to the original amp tone frequency spectrum. The RB-III improves upon the popular Rust Booster I circuit by increasing the range of distortion, allowing for a wider variety of tones. Additionally, the amount of output has been increased, making the RB-III perfect for use with low-output pickups. Bass players will appreciate the RB-III for its ability to boost bass signals without sounding thin or muddy. Specifications: \- Input Impedance: 1 Meg Ohm \- Output Impedance: 10K Ohm \- Controls: Drive, Level \- Switch: True Bypass On/Off using 3PDT \- LED: High Illumination Blue \- Jacks: Input/Output (standard ¼”), AC In (2.1 mm barrel, tip negative) \- Power: 9-Volt battery or AC adaptor (9 VDC, 200 mA, tip negative regulated) \- Size: 113 mm (L) x 63 mm (W) x 35 mm (H) \- Weight: 458 g (with battery) The Rust Booster III by HAO is suitable for a variety of use-cases, including clean boost, overdrive, and boosting bass signals. Its compact design and versatile functionality make it a valuable addition to any guitarist's setup.

Rust Driver

The Rust Driver by HAO is a distortion pedal designed to recreate the classic sound of a late 60's Marshall Plexi running at full-bore grind. Its carefully selected components allow the Rust Driver to faithfully perform this function with any amplifier, at any volume level. The result is a commanding guitar tone with a tight, thick bottom and an extremely low signal-to-noise ratio. Specifications: \- Input Impedance: Approx. 1M-ohm \- Output Impedance: Approx. 100k-ohm \- Size: 115(L) x 64(W) x 30(H) mm (excluding knob, switches, and jacks) \- Weight: Approx. 260g (including a 9V battery) The Rust Driver features a single knob that controls output level and gain, while 3 switchable EQ curves offer plentiful tonal options without compromising the guitar's sound. The pedal is designed to produce thick, throaty sound, regardless of pickup types, enhancing the vital frequency range for electric guitars to cut through the mix while maintaining the guitar's original tonal character. The Rust Driver is an affordable, reliable, and portable alternative to the classic Marshall Plexi sound, making it suitable for a wide range of use-cases in both studio and live performance settings.

Sole Pressure

The Sole Pressure by HAO is an overdrive pedal designed to recreate the classic sounds of the legendary '59 Tweed Bassman 4x10 combo. It features carefully selected components that allow the user to dial in the smooth, creamy overdrive of this classic amp, including the characteristic low-end sag unique to the combo version. The pedal offers dual knobs to control Output and Drive levels, along with 3 switchable EQ curves for plentiful tonal options without compromising the guitar sound. This dual control configuration also allows the Sole Pressure to act as a semi-clean booster to coax more character out of the amp. Technical Specifications: \- Input Impedance: Approximately 1M-ohm \- Output Impedance: Approximately 10K-ohm \- Controls: Drive, Level, 3-Position mini EQ Switch (Normal, Bright, Warm) \- Size: 115(L) x 64(W) x 30(H) mm (excluding knobs, switches, and jacks) \- True Bypass Switching using a 3PDT mechanical switch The pedal is handmade and features a built-like-a-tank steel chassis with rugged, yet stylish ABS side cheeks. It operates on 9 volts. If you need information on an analog optical compressor, please let me know.

OD-16

The HAO OD-16 Omega Drive Sixteen is a boutique overdrive pedal handmade in Japan. It features a voltage-doubling circuit that converts an incoming 9-volt DC power supply to 16-volts DC, significantly improving headroom and dynamic responsiveness. The pedal's tonal character is described as more aggressive than the standard "Tube Screamer" overdrive, with tight and punchy lows, lower mids, and rich, sparkling harmonic overtones. The OD-16 is known for its fast reaction to picking dynamics, offering touch-responsive overdrive that complements advanced playing techniques. Key features of the HAO OD-16 Omega Drive Sixteen include: \- Volume, Tone, and Gain controls \- Direct Tone Bypass Switch \- True Bypass Switching using 3PDT \- Internal voltage doubling circuitry \- Compact, cast-aluminum enclosure \- Ultra-bright status LED \- 9-volt Battery or AC adaptor operation \- 3-year limited warranty The pedal is designed to deliver a more aggressive overdrive tone with improved headroom and touch-responsive dynamics, making it suitable for a wide range of playing styles and musical genres.

Rust Booster III

The HAO Rust Booster III is a versatile guitar booster designed to provide instant signal boost without tonal coloration. It features Drive and Level knobs, offering a natural, crunchy overdrive reminiscent of classic guitar tones from the early 70s while remaining faithful to the original amp tone frequency spectrum. Specifications: \- Input Impedance: 1 Meg Ohm \- Output Impedance: 10K Ohm \- Controls: Drive, Level \- Switch: True Bypass On/Off using 3PDT \- LED: High Illumination Blue \- Jacks: Input/Output (standard ¼”), AC In (2.1 mm barrel, tip negative) \- Power: 9-Volt battery or AC adaptor (9 VDC, 200 mA, tip negative regulated) \- Size: 113 mm (L) x 63 mm (W) x 35 mm (H) \- Weight: 458 g (with battery) The RB-III improves upon the popular Rust Booster I circuit by increasing the range of distortion, allowing for a wider variety of tones. Additionally, the amount of output has been increased, making the RB-III perfect for use with low-output pickups. Bass players will appreciate its ability to boost bass signals without sounding thin or muddy. The pedal is suitable for guitarists and bass players seeking a versatile and reliable booster for enhancing their instrument's signal without compromising its original tone.

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