The Selmer Treble & Bass Mark III is a later version of the Treble & Bass Fifty, which was developed in the late 1960s. With a wider frequency spectrum and improved components, it is an evolution of the classic Selmer sound.
With 50 to 60 watts of power and EL34 power tubes, the Mark III offers even greater volume and a fuller sound than its predecessors. Its hand-wired circuit ensures a stable, pure signal path, giving it an extremely lively and responsive tone.
The unique treble & bass tone control system remains intact, but has been improved to allow for more precise control over the frequency range. This makes this amplifier suitable not only for guitar and bass, but also for vintage keyboards and experimental sounds.
The Selmer Treble & Bass Mark III is a rare instrument today, highly valued by collectors and vintage amplifier enthusiasts. Its distinctive British sound and warm, roaring overdrive make it a must-have for fans of classic British tube amps.
Conclusion: A hidden gem with huge sound quality
Whether for Blues, Psychedelic Rock, Classic Rock or Vintage Keys, the Selmer Treble & Bass Mark III is an extremely versatile, impressively sound amplifier that stands out from the more well-known brands. Those looking for an authentic 60s tube sound with unique character will find it here.
A key feature of this model is the Treble & Bass circuit, which allows for fine tuning of the sound color. This makes the amplifier suitable for both gentle blues sounds and biting rock tones. It was particularly appreciated by guitarists such as The Animals and Ritchie Blackmore, who appreciated its open, unadulterated sound.
With its excellent tone and vintage-inspired tube saturation, the Selmer T&B 50 from 1965 is a great choice for guitarists looking for a powerful, characterful British tube sound.

