BSM decided to take the idea of this classic Rock sound and came up with a completely different solution to hit the target. Not interested in making a simple copy of the circuit but developing own ideas to realize the functions with silicon transistors. What you get now is a flexible high gain treblebooster/preamp combination optimized for medium humbucker pickups that works also very well with P90s and singlecoils. It is intended to hit the high treble input of a British Plexi-type amp (or other classic British oriented tube amps) hard. What came out is a real monster, working at 18 volts. But we have to admit that it still works very well with 9 volts, just a little less monstrous. It also comes with a status LED. The preamp stage is a mild treblebooster of low noise followed by a high gain silicon output stage that can easily be symmetrically driven into saturation.

Demo by Haiko Heinz

Demo by EytschPi42

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Black Box Booster

BSM designed a new private stock booster just for the favorite taste of the company‘s mastermind. It was intended in first place to emulate the sound of the 1975 studio recording “Ritchie Blackmore’s Rainbow”, second to achieve Ritchie’s early Rainbow live sound that can be heard on the Nov. ’75 bootlegs, e.g. Bacon Theatre, NYC. Furthermore the unit was designed to get this sound from any stock “Bright” input found on classic Marshall amps.

Demo by  DogwithtwoBones

Studio 75 special Booster

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 -

RM Velvet Treble Booster 

The BSM RPA Special Booster is a combination of Ritchie Blackmores AIWA reel-to-reel tape recorder preamp stage plus the high-pass treble booster function from Blackmores hot-rodded Marshal Major amp, to emulate Ritchies post '74 sound with any standard amp. In 1974, right before the start of the "Burn" tour, Ritchie Blackmore changed his live setup. First and foremost, he wanted to play live with an echo effect and made the AIWA TP-1011 reel-to-reel tape recorder his first choice. This unit offered the typical 2/3 seconds echo repeat, perfectly matching Blackmores natural beat. Additionally, Ritchie Blackmore used the integrated microphone pre-amp as a booster, and with this his beloved Hornby-Skewes treblebooster he used for many years was not longer needed and was sent into retirement.

Demo by  Janeck DZUGAN

Demo by  elswan64

RPA special Booster

The BSM VX-T model is based on the british Vox Treble & Bass booster, made in the late 60's and used by many british bands at this time. Here is an almost identical copy of the second issue of this Vox unit, but with increased gain and a slightly modified tone network, pronouncing the mid frequencies and making the VX-T the perfect treble-midrange booster. So the sound of the VX-T is placed in between the VX-C Classic Treble&Bass booster and the RMG Treble Booster. The VX-C Classic offers a more vintage orientaded tone control with some good low end, while the RMG adds more twang and spank to the tone. The VX-T model includes a tone control which allows an extraordinary amount of versatility. 

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VX-T Treble/Mid Booster

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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

Black Box Booster

BSM - Meiser Electronics

Studio 75 special Booster

BSM - Meiser Electronics

RM Velvet Treble Booster

BSM - Meiser Electronics

RPA special Booster

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