Pricing and availability

Average Price: $1,859

High-end/Boutique

$300

$701+

Price Tier

Budget

Standard

High-end

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Description

Unleash the raw power and iconic tone that has defined rock music for decades with the Marshall JCM 800 Lead Series Model 4104. This 50-watt combo amplifier is a staple for guitarists seeking that classic British crunch with modern versatility. Featuring a master volume control and a pair of Celestion G12-65 12-inch speakers, this amp offers the perfect blend of punch and clarity, making it ideal for both stage and studio settings.

The JCM 800 is renowned for its straightforward design and robust construction, ensuring reliability even during the most demanding performances. Its single-channel layout with pre-amp and master volume controls allows for precise tonal shaping, while the presence control and three-band EQ provide further customization to dial in your signature sound. The high and low sensitivity inputs cater to a variety of guitars and playing styles, from searing leads to mellow, clean tones.

Whether you're a hard rock enthusiast or a blues aficionado, the JCM 800 delivers the articulate, dynamic response that has captivated generations of players. With its unmistakable growl and timeless design, this amplifier continues to be a favorite among professional musicians worldwide.

Key Features:

  • 50-watt all-valve combo amplifier
  • Two Celestion G12-65 12” speakers
  • Single channel with master volume
  • Three-band EQ (Bass, Middle, Treble) and presence control
  • High and low sensitivity inputs
  • Classic British tone with modern versatility
  • Rugged construction for reliable performance

Product specs

Brand Marshall
Model JCM 800 Lead Series Model 4104 50-Watt Master Volume 2x12 Combo
Year 1980s
Made In United Kingdom
Categories Guitar Combo Amps
Electronics Tube
Number of Channels 1 Channel
Number of Inputs 2 Inputs
Output Power (Watts) 50
Power Tube Type EL34
Reverb None
Speaker Configuration 2x12"

FAQs

What kind of music is the Marshall JCM 800 Lead Series Model 4104 best suited for?

The Marshall JCM 800 is renowned for its powerful rock and punk tones, making it ideal for genres like hard rock, punk, and metal. Its distinctive overdrive and punchy sound are favored by many iconic bands from the 1980s and 1990s.

How does the Marshall JCM 800 Lead Series Model 4104 differ from the Plexi amps?

The JCM 800 features a master volume control and additional gain stages compared to the Plexi amps, providing more distortion and sustain. This design allows for a more aggressive sound at lower volumes, making it distinctively suited for heavier music styles.

Is the Marshall JCM 800 Lead Series Model 4104 loud enough for live performances?

Yes, the JCM 800 50-Watt combo is powerful enough for live performances, especially in medium to large venues. Its two 12-inch speakers deliver robust sound projection, making it a reliable choice for gigging musicians.

Does the Marshall JCM 800 Lead Series Model 4104 take pedals well?

The JCM 800 is known for its excellent compatibility with effects pedals. Its clean channel provides a solid foundation for modulation and time-based effects, enhancing its versatility for various performance settings.

What is the speaker configuration of the Marshall JCM 800 Lead Series Model 4104?

The Marshall JCM 800 Lead Series Model 4104 features a 2x12 speaker configuration, which contributes to its rich and full-bodied sound. This setup is ideal for musicians seeking a balance between portability and powerful sound output.

Ron Leslie

Ron Leslie

Marshall JCM 800. (4104) quick test.

Video thumbnail for Marshall JCM 800. (4104) quick test. by Ron Leslie

Marshall JCM 800. (4104) quick test.

Ron Leslie

Ron Leslie

Video thumbnail for 1984 Marshall JCM800 Model 4104 by williesguitars

1984 Marshall JCM800 Model 4104

williesguitars

williesguitars

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Marshall JCM 800 Lead Series Model 4104 50-Watt Master Volume 2x12 Combo.

Build quality

  • The lower left corner gold plate on some units includes "50 watt LEAD" inscribed just below "JCM 800."

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  • Despite its weight, the amp's ruggedness and reliability are emphasized by long-term users, even those owning since the mid-80s.

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Features and functionality

  • The master volume effectively overdrives a Les Paul and works well with Strats, producing substantial volume despite being rated at 50 watts.

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  • The amp can house G12M speakers from the early 70s, wired in parallel, offering a total handling power of 50 watts.

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  • The amp is prone to tipping if not secured properly, suggesting care during transport is essential.

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User experience

  • The amp is notably heavy and challenging to transport; owners often use a furniture dolly for easier mobility.

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  • Transporting the amp requires significant effort, often involving hugging it to maneuver up stairs, showcasing its unwieldy weight.

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  • Owners express regret after selling, often repurchasing due to attachment and the amp's unique sound quality.

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Value and pricing

  • Purchased for $300 in the late 80s, the amp represented an exceptional bargain even then, highlighting its enduring value.

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  • Purchased for approximately $1495 before tax, owners view this price as reasonable given the rising cost of JCM 800s.

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Setup and maintenance

  • Control knobs can be sourced from Reverb or by using parts from an inexpensive Marshall solid-state practice amp.

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Use cases and applications

  • Playing Bad Religion riffs, such as "American Jesus" and "Generator," through the amp provides a particularly satisfying tonal experience.

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  • Using an attenuator allows the amp to maintain sound integrity at high volumes, making it suitable for various environments.

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Mods and upgrades

  • Adding a post-phase inverter master volume allows for high-quality tones at lower volumes, enhancing versatility.

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Comparisons

  • Compared to a Fender Twin, the JCM 800 is lighter yet still heavy, highlighting its substantial build.

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