The BSM Velvet 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.

Demo by Mezozr

Demo by  魔法の箱研究所 - Stompbox Review Channel -

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RM Velvet Treble 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

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.

Demo by Marco G. Di Marco

Demo by  ThomasSchuber

 BM-Q special Treble Booster 

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.

Ambassador Treble/Mid Booster 

The BSM "Galaxy 1011" is a faithful recreation of the whole AIWA TP-1011 tape recorder sound stage, Ritchie Blackmore used from late 1973 until today. This 18Volt unit “Galaxy 1011” contains the AIWA´s mic-preamp, the line output amp, the Marshall Factory mod and it holds a status LED. It is mainly intended for the users of a Marshall Major or clones of this. These are very special amps. With their special circuit design, they are very clean sounding amps and cannot be compared to a normal Marshall Super Lead or similar (pentode design with EL34 power tubes), that sound a bit dirty on their own. So for the real freaks the search for an unaffordable original AIWA TP-1011 could be well over.

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Galaxy 1011 Preamp

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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

RM Velvet Treble Booster

BSM - Meiser Electronics

VX-C Clean Treble/ Bass Booster

BSM - Meiser Electronics

BM-Q special Treble Booster

BSM - Meiser Electronics

Ambassador Treble/Mid Booster

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