The BSM OR model is based on the Orange Treble & Bass booster made in the late 60's in England. The OR model includes a tone control which allows an extraoridinary amount of versatility. When set to maximum, the unit produces a very glassy tone. When a middle setting is dialed in, the result is a punchy tone with a mids emphasis. When set to minimum, the unit produces a very bassy tone with a fat bottom end. The long yearned new edition, now issued under the name OR from BSM, includes the same germanium transistors as the original 1960's version.

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OR 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 

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 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 HS model is based on the short-lived early edition British HORNBY-SKEWES unit produced, as used by Ritchie Blackmore, the brilliant and impulsive guitarist of Deep Purple. The unit produces a powerful and biting sound that was used to help create the epochal masterpieces e.g. "Deep Purple In Rock" and "Fireball". The long yearned for new edition, now issued under the name HS from BSM, includes the same germanium transistors as the 1965 version. The HS-Custom model includes a volume control (like Blackmore's modification).

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HS-Custom Treble Booster

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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

OR Treble Booster

BSM - Meiser Electronics

Ambassador Treble/Mid Booster

BSM - Meiser Electronics

BSM Treble Booster Model FireBall

BSM - Meiser Electronics

RPA special Booster

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