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Triumph Electronics Silicon 100W Lead and Bass Amplifier

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Triumph Electronics Silicon 100W Lead and Bass Amplifier

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Page last updated Sep 05, 2025

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The Vintage 60ties Silicon 100W Lead and Bass Amplifier Head by Triumph Electronics.

Solid-State Design with "Silicon" Emphasis
Triumph marketed this model as fully solid-state, using silicon transistors instead of tubes or germanium parts.
Their slogan touted that "Silicon puts the POW in Triumph," promising greater reliability and power.
Two-Channel Configuration: Lead & Bass
As the name implies, it offers two separate channels: a Lead (guitar) channel and a Bass channel.
The Lead channel includes active EQ, possibly offering more tone-shaping capabilities, while the Bass channel has a passive EQ.
A unique "Bite" control is included , likely an extra gain stage or brightness control , for added tonal aggression.
The layout suggests each channel likely has independent volume and EQ controls, though specifics like frequency bands or labeling remain unclear.
Some versions of the amp include a built-in tremolo effect, a standout feature in solid-state designs from the era.
Other models reportedly added fuzz, sometimes labeled as a RA100F model, featuring both fuzz and tremolo effects.
The "100W" designation refers to its output, though it’s unclear whether this rating is conservative (RMS) or peak.
Typical of 1960s British amp heads, the unit likely requires an external speaker cabinet for full use.
Triumph was known for robust construction: over-specified components, safety features against stress or shorts, and generally solid assembly.

Specs:

• Type Solid-state (silicon transistors)
• Power Output 100 W (nominal specification)
• Channels Lead (active EQ) & Bass (passive EQ)
• Unique Controls "Bite" gain/brightness control
• Effects Built-in Tremolo; some variants include Fuzz
• Construction Heavy-duty chassis, safety-tested components
• Era & Origin c. 1967, UK (Triumph Electronics subcontracted Vox amp maker)

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Keith Richards

Singer, Guitarist

The Rolling Stones

Verified via YouTube

Keith Richards used the Triumph Electronics Silicon 100W Lead and Bass Amplifier while performing as the bassist for The Dirty Mac, a supergroup that included John Lennon and Eric Clapton, during The Rolling Stones Rock and Roll Circus in 1968. This is evidenced by the official music video "Yer Blues" by The Dirty Mac, directed by Michael Lindsay-Hogg and produced by ABKCO Music & Records.