For your consideration is a beatiful GK MB115 combo bass amp. This was used in studio and never gigged with. The pics of the actual amp don`t do it justce so I included some stock pics which depict the acual condition. The specs are as follows:

The Gallien-Krueger MB 115 is a 200-watt bass combo amplifier with a 1x15" speaker, lightweight design, and versatile EQ and connectivity options.

Power and Amplification

The MB 115 delivers 200 watts of power through a 1x15" speaker, using a switch-mode power supply and power amp for efficient performance with minimal heat dissipation gallien-krueger.com+1. The amplifier is designed to provide full power while remaining compact and portable, weighing approximately 35–38 pounds depending on the model gallien-krueger

Speaker and Cabinet

The speaker features a 2.5-inch edge-wound aluminum voice coil, custom-designed for the MB 115 cabinet gallien-krueger.com. The cabinet is constructed from plywood with internal bracing to minimize tone-robbing sound leakage, and the ports are tuned with a jute blend damping material for optimal frequency response gallien-krueger.com. This design ensures a punchy low-end and clear midrange.

EQ and Tone Controls

The MB 115 incorporates a 4-band active EQ, gain control, and contour settings, allowing precise tone shaping for clean or gritty bass sounds Equipboard. The EQ design is inherited from the 800RB series, which varies the bandwidth to maintain a musical response even at extreme settings gallien-krueger.com.

Connectivity

• Passive input: Standard 1/4" input for passive basses .
• Aux input: 1/8" input for CD or MP3 players .
• XLR direct out: For connecting to PA systems or recording interfaces Equipboard.
• Headphone output: For silent practice Equipboard.
• Chain Out feature: Allows expansion by connecting to an MBP powered enclosure Equipboard.

Construction and Durability

The MB 115 features a rugged aluminum chassis, plywood cabinet, and internal circuitry monitoring indicated via the power switch ring gallien-krueger.com. This ensures reliability during live performances and studio sessions.

Weight and Portability

The amplifier is extremely lightweight for its power class, making it suitable for gigging musicians who need portability without sacrificing sound quality gallien-krueger.com+1.

Summary

The Gallien-Krueger MB 115 is a compact, high-performance bass combo ideal for both live and studio use. Its 200-watt output, 1x15" speaker, active EQ, and versatile connectivity make it a flexible choice for bassists seeking clarity, punch, and portability ga