Up for sale is a Hartke HA3500 350-Watt Hybrid Bass Amplifier Head in good used condition. This powerful and versatile bass amplifier features a dual tube and solid-state preamp design, built-in compression, a 10-band graphic equalizer, and extensive tone-shaping controls.

This amplifier has been tested and is in working condition. It shows normal cosmetic wear from previous use, including scratches, scuffs, minor marks, and general signs of handling. All major external components appear intact, and the amplifier comes housed in a protective black textured head enclosure with metal corner protectors and a carrying handle.

Features & Specifications

• Brand: Hartke
• Model: HA3500
• Type: Hybrid Bass Amplifier Head
• Power Output: 350 Watts at 4 Ohms / 240 Watts at 8 Ohms
• Preamp: Dual Tube (A) and Solid-State (B) blendable preamp sections
• Inputs: Separate 1/4" Passive and Active instrument inputs
• Equalizer: Built-in 10-band graphic EQ with in/out switch
• EQ Frequencies: 30Hz, 64Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 3kHz, 5kHz, and 8kHz
• Compression: Adjustable onboard compressor
• Contour Controls: Low Pass and High Pass tone-shaping controls
• Master Volume: Dedicated master output level control
• Speaker Outputs: Dual 1/4" speaker output jacks
• Effects Loop: Rear-panel 1/4" effects send and return connections with balance control
• Direct Output: Balanced XLR direct output with Pre/Post EQ and Ground Lift switches
• Cooling: Rear-mounted cooling fan with protective metal grille
• Power: 115V AC, 60Hz
• Finish: Black textured enclosure with silver front panel
• Country of Manufacture: China
• Serial Number: HA35B00443

Cosmetic Condition

This amplifier is in good used condition, with cosmetic wear consistent with normal use and age.

Please note the following details visible in the photographs:

• Light scratches and scuffs on the black textured exterior covering.
• Small nicks and wear along the upper front edges of the enclosure.
• Visible scuffing and minor scratches on the large white Hartke front logo, particularly around the lettering.
• Some surface wear and scratches on the silver-colored metal corner protectors.
• Minor scratches, dust, and handling marks on the front control panel.
• All 10 graphic equalizer slider caps are present.
• All visible front-panel control knobs and switches are present.
• Rear-panel connections, cooling fan grille, and ventilation openings appear physically intact.
• Light dust and surface marks are visible around the rear panel, fan, and inside the recessed enclosure.
• The carrying handle and four rubber feet are present.

There are no obvious major cracks or significant structural damage visible in the supplied photographs.

Functional Condition

Tested and Working!

The amplifier has been tested and confirmed to be in working condition.

It offers powerful bass amplification with flexible tone-shaping capabilities, making it suitable for rehearsals, live performances, and studio applications.

Included

• Hartke HA3500 350-Watt Bass Amplifier Head
• Detachable AC Power Cable
• Protective Head Enclosure (as pictured)

No speaker cabinet, instrument cables, or additional accessories are included.

Important Notes

This is a used amplifier and may show additional minor cosmetic imperfections consistent with its age and previous use.

Please carefully review all photographs for the most accurate representation of the item's cosmetic condition and exactly what is included.

A great choice for bass players looking for a powerful, versatile Hartke amplifier with classic hybrid preamp tone and extensive EQ control!

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