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Page last updated Aug 10, 2025

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The Acoustic Control Corporation 270 is a classic choice for guitarists seeking a powerful and reliable amplifier head. Originally introduced in the late 1960s, this solid-state amp has carved a niche for itself in the realm of vintage gear enthusiasts and professionals alike. Known for its robust build and distinctive sound, the ACC 270 delivers a rich tonal palette that gracefully spans from clean, articulate highs to deep, resonant lows.

Featuring a straightforward design, the ACC 270 is equipped with multiple channels, allowing musicians to switch seamlessly between different sound profiles. Its straightforward controls make it approachable for both novice players and seasoned pros, while maintaining the flexibility needed for creative sound shaping. The amp head's versatility is further enhanced by its compatibility with a wide range of speaker cabinets, making it an adaptable choice for various performance settings.

Whether you're playing in a small club or a larger venue, the ACC 270’s powerful output ensures your sound reaches every corner of the room. Its reputation for durability and performance has made it a beloved piece of equipment for decades, continuing to inspire musicians across genres.

Key Features:

Solid-state amplifier head
Multiple channels for versatile sound options
Compatible with various speaker cabinets
Known for rich tonal quality and reliability
Straightforward controls for easy operation

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AmpsOnAir

review - Acoustic Control Corp. Model 270 & Harley Benton JB75NA

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Acoustic 270 into 1960b

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Adam Yauch

Singer, Bassist

Beastie Boys

Verified via Pedals and Effects

Yauch's bass tone on Sabotage manages to be huge without being so overtly driven or drenched in gain. To achieve his signature bass tone, producer Mario Caldato Jr. explains that Yauch played a 60's Fender Jazz bass through an Acoustic 270 Graphic EQ head. The amp was put into an isolated sound proofed case when recorded, with the bass running through a Black Cat Superfuzz pedal. The Black Cat Superfuzz is modeled after the highly coveted 70's Japanese made Univox Superfuzz. What was special about those Univox Superfuzzes was their "two stage octave doubling circuit." From the Black Cat site: "beneath the massive torrent of fuzz is a hint of upper octave; not quite as prominent as an Octavia, but definitely noticeable." That double octave is what helped Yauch achieve such a massive sound on the record.

Takashi Mizutani

Singer, Guitarist

Les Rallizes Dénudés

Verified via YouTube

At 9:00 the Acoustic Control 270 head and 271 cab that Mizutani is playing through can be seen.

Sue Hanel

Guitarist

Swans

Verified via Photo

Sue Hanel used an Acoustic Control 270 head during her tenure with Swans alongside an Acoustic Control 271 cabinet. It's not a 370 due to there being more than four knobs.