The BSM RM model is based on the British Range Master unit produced between 1965 and 1969, as used by Eric Clapton in John Mayall's Bluesbreakers. Eric also used the booster when playing in the legendary group Cream. Its biting, powerful sound is clearly in evidence on the Bluesbreakers "Beano" album. Blues rocker Rory Gallagher, Heavy Rock pioneer Tony Iommi and Brian May from Queen were also heavy users of the orginal Range Master unit. The Range Master unit was also used by G. Tipton & K.K. Downing of the British heavy metal band Judas Priest in the late 1970s years to push its amps in full-tilt heaven. The long yearned for new edition, now issued under the name RM from BSM, includes the same OC44 germanium transistors as the the original 1965 version.

Demo by Benedikt Schlereth

Demo by  Fretboard Playground

Review by guitartest.de

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RM Treble Booster 

As a follow-up of the short-lived germanium-transistor loaded early issued Hornby-Skewes Treble Booster, now the 1967 version, equipped with a silicon transistor, appears on the scene under the BSM brand HS-S. With additional volume control like Blackmore´s modified unit as HS-S Master available.

Demo by Brett Kingman

Demo by Haiko Heinz

HS-S Master Treble Booster

The BSM Majestic model is based on the British Range Master unit produced between 1965 and 1969, as used by Eric Clapton in John Mayall"s Bluesbreakers. Eric also used the booster when playing in the legendary group Cream. Its biting, powerful sound is clearly in evidence on the Bluesbreakers "Beano" album. Blues rocker Rory Gallagher, Glam rocker Mark Bolan, Heavy Rock pioneer Tony Iommi and Brian May from Queen were also heavy users of the original Range Master unit. The long yearned for new edition, now issued under the name RM from BSM, includes the same OC44 germanium transistors as the the original 1965 version.

RM Majestic Treble Booster

This treble booster was manufactured for only three years, from 1967 to 1969, and was based on the Hornby Skewes used by Ritchie Blackmore during his Deep Purple days. It is a faithful reproduction of the 1967 model, with a high standard of selection of hard-to-find parts such as European-made germanium transistors. It has a powerful sound with a bite that you hear in famous hard rock albums. By controlling the guitar volume, you can enjoy lead tone to crunch sound.

It is powered by a 9V dry cell battery only.

Demo by Dirk Gentz Rocker

Demo by Leon van der Meer

BSM Treble Booster Model FireBall

The BSM VX-C Classic model is the most authentical copy of the british Vox Treble & Bass booster from the late 60‘s, used by many british bands at this time. It offers the original tone network and gain from the original, to make it the perfect copy of this out-of-production stompbox. Th e VX-C Classic model includes a tone control, that allows an extraordinary amount of versatility from a wooly bass tone up to a sparkling high-end vintage sound. It's also possible to produce the sound of a Wah-Wah pedal, set to a fixed middle position.

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VX-C Clean Treble/ Bass Booster

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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

RM Treble Booster

BSM - Meiser Electronics

HS-S Master Treble Booster

BSM - Meiser Electronics

RM Majestic Treble Booster

BSM - Meiser Electronics

BSM Treble Booster Model FireBall

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