Marshall 6100 30th Anniversary Series 3-Channel 100-Watt Guitar Amp Head 1992 Blue w/ Matching 4x12 6960A & 6960B Cabs w/ Covers

The Marshall 6100 30th Anniversary Model in Blue , often referred to as the Marshall 6100LM , is a rare and collectable amplifier created to celebrate Marshall's 30 years of iconic amp manufacturing. This special edition head, finished in a striking royal blue tolex, stands out for its distinctive looks as well as its powerful, versatile sound. Here's an in-depth look at this highly-regarded amp head:

Unique Commemorative Design and Finish

The blue version of the 6100 model is especially eye-catching and was created to make this anniversary model unique. Finished in a deep royal blue tolex with gold anodized front panel controls, the 6100 30th Anniversary in blue is both a visual and tonal tribute to Marshall's legacy. The amp's front and rear control panels are neatly laid out, allowing for easy navigation of its various channels and modes, while the blue covering makes it instantly recognizable on stage.

Three Channels, Total Tonal Range

One of the most impressive features of the 6100 is its three-channel design :

• Channel 1 : Delivers clean tones that range from warm and glassy to crisp and pristine, making it ideal for jazz, blues, and funk.
• Channel 2 : Known for its classic Marshall crunch, this channel offers punchy, mid-driven tones that are perfect for classic rock and blues. It has switchable modes to replicate the sounds of iconic Marshall amps from the JTM45 to the JCM800.
• Channel 3 : Provides high-gain sounds with modern aggression, making it ideal for metal, hard rock, and lead playing. This channel captures the searing tone associated with 80s and 90s rock.

Each channel is completely independent with its own EQ and gain controls, allowing you to switch between clean, crunch, and lead tones seamlessly—ideal for versatile performers who need flexibility in their setup.

Switchable Power Output and Versatility

The 6100 30th Anniversary model is equipped with a power attenuation feature that lets you select between 100W and 50W outputs. This means you can push the amp into natural overdrive at lower volumes, making it perfect for both studio environments and smaller venues without sacrificing the classic Marshall tone.

All-Tube Design for Authentic Tone

At its core, the 6100 is an all-tube amp, powered by four EL34 power tubes and seven ECC83 preamp tubes . This setup delivers the organic warmth, dynamics, and harmonics that tube amps are known for. Whether you're after smooth cleans or saturated distortion, the 6100's all-tube circuitry ensures a rich, responsive tone at any volume.

Built-In Effects Loop and MIDI Compatibility

The 6100LM includes a switchable effects loop with a level control, making it easy to integrate pedals or external effects units. Additionally, the amp is MIDI-compatible , allowing you to control channel switching, gain modes, and other settings via MIDI commands—a forward-thinking feature for the time that remains a huge advantage for modern players using MIDI setups.

Commemorative Badge and Limited Availability

As a true collector's piece, each Marshall 6100 30th Anniversary model comes with a special commemorative badge that marks the amp's significance in Marshall's history. The blue tolex version, in particular, was produced in limited quantities, adding to its desirability for collectors and enthusiasts. The amp's unique look, combined with its anniversary status, makes it a highly sought-after model on the vintage and used amp market.

Overall Playing Experience

The Marshall 6100 is celebrated for its versatile sound and robust design. This amp is ideal for players who want to access the sounds of several different Marshall amp models in one unit, with each channel authentically replicating different eras of Marshall's tone. Its clean, crunch, and lead channels allow you to move from warm cleans to iconic Marshall crunch to searing high-gain sounds without needing multiple amps. The flexible output options, high-quality construction, and MIDI functionality make it a powerful choice for stage and studio alike.

Specs

• Make: Marshall
• Model: 6100 / 6960A / 6960B
• Submodel: 30th Anniversary Full Stack
• Year: 1992
• Country: The UK
• Condition: Very Good
• Serial: #Z00615, #03158, #00249
• Power: 100W/50W
• Type: Full Stack
• Exterior Material: Tolex
• Exterior Color: Royal Blue
• Grill Cloth: Black
• Panel: Anodized
• Preamp Tubes: 7x ECC83
• Power Tubes: 4x EL34
• Master Volume: Yes
• Channels: 3 - Clean / Crunch / Higain
• Inputs: 1 - Hi/Low Toggle + Line In
• Effects Loop: Yes
• Speakers: 2x 4x Celestion G12T 75
• Input Voltage: 120V
• Output Impedance: 4Ω/8Ω/16Ω
• Outputs: 2 Parallel + Line Out (1/4" and Balanced XLR)
• Footswitch: Included
• Covers: Included

Controls

• Master Volume
• Master Presence
• Master Effect Level
• Low Volume Compensation Toggle (Thickener)
• 3-Channel Select w/ Setting Memory
• Per Channel Volume & EQ Bass/Mid/Treble
• Channel 3 & 2 Gain Controls
• Channel 3 Contour (Mid Cut) and Bass Boost Toggles
• Channel 2 Mode Select (Tone Shape) Toggles
• Channel 1 Bright & Mid Shift Toggles
• Back Panel FX Loop Parallel Toggle & Pad Level Toggle
• Back Panel Low/High Output Switch
• Back Panel Triode/Pentode Switch