Based on the best classic boosters, the BSM Ambassador - a germanium treble/midrange booster, is a crossover between the Rangemaster Booster, the Orange Booster and the Winston Booster. The transistors are specially selected to pass the strict internal BSM factory QC guidelines. Classic boosters never cared about the midrange, and that's what makes the Ambassador stand out - the midrange and the treble range are both inside this little box. From crystal clear highs to fat and meaty mids, it's easy to dial in all these sounds with every common pickup. With the "color" control set to midrange, a singlecoil pickup really sounds like a PAF humbucker, and a PAF like fat and overwounded humbucker. The Ambassador is loaded with a special selected original NOS germanium transistor from the 60's, like the Winston Treble Booster was.

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Ambassador Treble/Mid Booster 

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.

Review by Premier Guitar

VX-C Clean Treble/ Bass 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 RM-Metal 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 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. The RM Metal is a modified '69er RM model like Mr. Iommi's unit, which he has used on his second Black Sabbath records and later. The RM Metal model is recommed for Nu-Rock, low dropped tunings and baritone guitars.

RM Metal Treble Booster

Brian May from Queen used in his early days the British Range Master Germanium Treble Booster, a unit produced between 1965 and 1969. This model is rebuild as RM by BSM. In mid-phase from Queen, BrianMay switched to a silicon Treble Booster design for more bite, now reproduced by BSM with orginal silicon transistor and called BM-Q special. The same unit fitted with volume control called BM-Q.

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BM-Q special Treble Booster

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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

Ambassador Treble/Mid Booster

BSM - Meiser Electronics

VX-C Clean Treble/ Bass Booster

BSM - Meiser Electronics

BSM Treble Booster Model FireBall

BSM - Meiser Electronics

RM Metal Treble Booster

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