Sound City 100 MK3 Head

5.0 (1)

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Page last updated Aug 10, 2025

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The Sound City 100 MK3 Head is a testament to the enduring legacy of classic British amplification, meticulously engineered for bass enthusiasts seeking both power and precision. With its roots tracing back to the iconic soundscapes of the 1960s and 70s, this amplifier head brings a vintage vibe to modern performance settings. It's designed to deliver a robust 100 watts of pure tube power, making it an ideal choice for both studio sessions and live gigs.

At the heart of its sonic prowess lies a quartet of EL34 power tubes, ensuring a rich, warm tone that can be shaped to perfection using its intuitive controls. The Sound City 100 MK3 is engineered with flexibility in mind, allowing musicians to sculpt their sound with precision through a comprehensive EQ section. Its dual-channel design offers seamless transitions between clean and overdriven tones, catering to a wide range of musical genres.

For musicians who value craftsmanship and reliability, this amplifier head is built to withstand the rigors of touring while maintaining exceptional sound quality. With classic aesthetics and modern enhancements, the Sound City 100 MK3 Head stands as a bridge between the vintage and the contemporary, offering an authentic tonal experience that resonates with musicians of all styles.

Key Features:

100 watts of all-tube power
Four EL34 power tubes
Dual-channel design for versatile sound options
Comprehensive EQ controls for precise tone shaping
Durable construction for reliable performance in various settings

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igor_skendzic

113

almost 10 years ago

old school, tons of headroom, tube warmth.

Sound city custom built mark 3 is tube (valve) amp made around 1969. It can be used with guitar, keyboard and bass guitar. Really huge wall of sound, awesome saturation, yet with clarity. Great headroom, lots of options for cabs.

jimmarchi1

40997

10 years ago almost 10 years ago

does yours have an active EQ circuit? I know all the mk4s but the bass120 do, but mk3s are really transitional from the hiwatty designs that preceeded them....

igor_skendzic

113

10 years ago almost 10 years ago

can u define active eq? english is not my first language...

jimmarchi1

40997

10 years ago almost 10 years ago

its a really sound city specific design, if you turn all the EQ controls to zero you will get NO SIGNAL

igor_skendzic

113

10 years ago almost 10 years ago

yes, that is the thing. but i saw that also on some other amps, i think they might be based on sound city (later hiwatt) tech.