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Sommatone Roaring 40

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Page last updated Aug 10, 2025

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Description

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The Sommatone Roaring 40 is a powerhouse in the world of guitar amplifier heads, skillfully bridging the gap between vintage tone and modern versatility. This all-tube amplifier is renowned for its dual-channel design, offering guitarists the flexibility to seamlessly switch between clean and overdriven tones. With the Roaring 40, musicians can effortlessly transition from warm, sparkling cleans to rich, harmonic overdrives, making it an ideal choice for blues, rock, and jazz players alike.

At the heart of the Roaring 40 is its meticulously hand-wired circuitry, which ensures superior sound quality and reliability. The amp head is equipped with a comprehensive EQ section, allowing precise tonal shaping to suit any playing environment. An innovative master volume control preserves the amplifier's tonal integrity at lower volumes, perfect for both stage and studio settings.

Built with premium components, the Roaring 40 boasts a robust construction designed to withstand the rigors of live performance. Its classic aesthetic is complemented by intuitive controls, making it accessible to both seasoned professionals and aspiring musicians. Whether you're seeking the sweet sustain of a cranked tube amp or the articulate response of a clean channel, the Sommatone Roaring 40 delivers with exceptional clarity and depth.

Key Features:

All-tube amp head with dual-channel design
Hand-wired circuitry for superior sound quality
Comprehensive EQ section for precise tonal control
Master volume control for optimal sound at any level
Robust construction with premium components
Suitable for blues, rock, and jazz genres
Ideal for both live performances and studio recordings

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sommatone Roaring 40.

Comparisons

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The Sommatone Roaring 40 is frequently compared to the Magnatone Super Fifty-Nine for its overdriven sound, indicating a similar tonal quality.
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The Blackstar HT-1 and HT-5 are noted for having "always on" diode clipping in their preamp, creating a harsher distortion compared to the Sommatone Roaring 40's smoother overdrive.
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User experience

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Owners mention the Roaring 40 produces a clean tone that distorts slightly at higher volumes, a characteristic sound profile.
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Users with the Blackstar HT series find it limiting for low-gain or smoother overdriven sounds, suggesting that the Sommatone Roaring 40 may offer a more versatile tonal range.
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Value and pricing

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The Sommatone Roaring 40 is noted for its high price point, around £2500, which can be a barrier despite its desirable sound.
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Features and functionality

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V30 speakers have an "inflection point" where they sound saturated above a certain dB level but can be hollow or harsh below it, influencing their synergy with amp heads.
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Mods and upgrades

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Switching to broken-in Greenback speakers is recommended for a warmer, darker overdrive tone, potentially complementing the Sommatone Roaring 40's sound characteristics.
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Jason Isbell

Guitarist, Singer

Jason Isbell and the 400 Unit

Verified via Premierguitar

According to Premier Guitar, this amp head gives Isbell a "very Vox-style element".

Mike Cooley

Guitarist

Drive-By Truckers

Verified via Premierguitar

"Mike played either the Jazzmaster or the Cooleycaster through his Sommatone Roaring 40 head and matching 2x12 open-back cabinet. I know he was using the Prescription Electronics RX Overdriver because I put it on his board that day. He used it all weekend."