GenzBenz ShuttleMax 12.2 1,200W Bass Amp

Genz Benz ShuttleMAX 12.2 Bass Amp Head – 1200W Dual Power Amps – Tube/FET Preamps – Rare Discontinued Model

A serious bass amplifier with enormous power and exceptional tonal flexibility.

For sale is a Genz Benz ShuttleMAX 12.2, one of the most powerful and versatile bass amplifier heads produced by Genz Benz before the original brand ceased production.

This is the second-generation ShuttleMAX, combining 1,200 watts of total rated output, two independent 600-watt power amplifiers, and separate tube and FET preamp channels, all in a remarkably compact 6.75-pound package.

For bassists who appreciate powerful amplification, precise tone shaping, and the character of the original Genz Benz designs, the ShuttleMAX 12.2 is a particularly interesting amplifier.

Two independent 600-watt power amplifiers

Unlike conventional bass heads with a single speaker output stage, the ShuttleMAX 12.2 incorporates two independent Class D power amplifier modules, each rated at 600 watts into 4 ohms.

This provides tremendous flexibility when driving multiple cabinets:

• 600 watts into a single 4-ohm cabinet
• 375 watts into a single 8-ohm cabinet
• 750 watts total into two 8-ohm cabinets
• 975 watts total with one 4-ohm and one 8-ohm cabinet
• 1,200 watts total with two 4-ohm cabinets

Each power amplifier has its own Speakon speaker output. The two outputs are independent and are not designed to be bridged.

This is a serious high-output amplifier capable of powering a substantial bass rig while remaining remarkably portable.

Two distinct preamps: 12AX7 tube and FET

One of the ShuttleMAX's greatest strengths is its dual-preamp architecture.

Tube channel: A genuine 12AX7 tube preamp offering warmth, harmonic character, and the ability to introduce some tube coloration into your sound.

FET channel: A solid-state preamp providing clarity, immediacy, punch, and excellent note definition.

The two channels can be selected individually or blended together, allowing you to combine the warmth of the tube circuit with the articulation and responsiveness of the FET channel.

This is far more than a conventional amplifier with a single tube in its input stage.

Extensive tone-shaping capabilities

Each preamp channel has its own active four-band EQ, including two sweepable midrange controls.

That means you can independently shape the low mids and high mids on each channel rather than relying on fixed-frequency tone controls.

The amp also provides:

• Independent tube and FET preamp gain and volume controls
• High/low gain selection for each preamp
• Dual sweepable midrange EQ sections
• Three adjustable signal-shaping filters
• Genz Benz 3DPM power management
• Three effects loops: tube, FET, and master
• Balanced XLR direct output with pre/post EQ, ground lift, and mic/line switching
• Tuner output
• Auxiliary input
• Headphone output
• Mute function
• Footswitch compatibility

The combination of independent preamps and extensive EQ makes this an unusually flexible amplifier for everything from vintage soul and R&B to modern funk, jazz, rock, and slap bass.

Genz Benz 3DPM technology

The ShuttleMAX 12.2 incorporates Genz Benz's proprietary 3-Dimensional Power Management (3DPM) technology.

Designed to give its lightweight Class D power section a fuller, more substantial response, 3DPM helps deliver the sense of weight and dynamics traditionally associated with larger amplifier designs.

The result is an amplifier intended to combine the convenience of modern lightweight technology with the authority and responsiveness of a serious professional bass head.

Remarkably lightweight

Despite its enormous rated power output, the amplifier weighs only 6.75 pounds.

Dimensions: 13.5 inches wide × 13 inches deep × 3.5 inches high.

It's compact enough for convenient transport and can be rack-mounted with the appropriate hardware.

A discontinued Genz Benz design

Genz Benz earned a strong reputation among working bassists for powerful, articulate amplification and thoughtful engineering.

The ShuttleMAX 12.2 was introduced in 2012, toward the end of the original Genz Benz production era. These amplifiers are no longer manufactured, and the combination of dual power amplifiers, two independently voiced preamps, and extensive onboard tone shaping is unusual even among current bass heads.

This is an excellent opportunity for someone who appreciates the original Genz Benz approach to bass amplification.

Condition and included items

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Final thoughts

The ShuttleMAX 12.2 is an unusually capable bass head: two preamps, two independent 600-watt power amplifiers, extensive EQ, and up to 1,200 watts of total output in a 6.75-pound chassis.

Whether you're building a powerful multi-cabinet bass rig or want the flexibility to blend tube warmth with clean solid-state articulation, this is a distinctive piece of professional bass amplification.