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 

Manufactured in the framework of the „Twangtone by BSM“-line, the Powderfinger steps up to enable you to get that often acclaimed but seldom achieved guitar sound of Neil Young. Fully appreciating that the setup that Neil Young has put together for himself over the years may be unpractical and/or impossible to realize for most other guitar players, BSM has developed a pedal that puts every guitarist in the position to approach that Neil-Young-sound without having to call on a permanently fully cranked Fender Tweed Deluxe Amp. This approach is facilitated via the following components being included in one‘s setup:

Demo by Sören Jordan

Demo by Haiko Heinz

Review by Rusted Moon

Powderfinger

The Hornby-Skewes Treble Booster was Ritchies favorite box for live and studio recordings like the famous 1971 "Machine Head" or the later 1974 "Burn" session. The HS-S Master in front of a Vox AC30 gives you the unique sound of the well-known rock hymn "Smoke on the water". Compared to its forerunner, the HS-S sounds a tad more aggressive with more mid-range with the guitar’s volume pot fully opened, a little bit similar to a WahWah sound. But the higher the pre-amp volume of the amp is dialed in, the more this midrangy tone will be forced into the background because now the saturation of the amp will generate the necessary harmonics. So it´s up to you to chase the sweet spot of the HS-S unit. You will have to raise the pre-amp volume of a Marshall Major noticeably because this amp is a very clean sounding one. To have some good reserves when dialing in the pre-amp volume Blackmore had his Major amps modded early with a cascaded pre-amp design right from the factory.

Demo by Leon van der Meer

HS-S Treble 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).

Demo by  Brett Kingman

Demo by Manuel Bastian

HS-Custom Treble 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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Weitere Pedals von BSM - Meiser Electronics

BSM - Meiser Electronics

RM Treble Booster

BSM - Meiser Electronics

Powderfinger

BSM - Meiser Electronics

HS-S Treble Booster

BSM - Meiser Electronics

HS-Custom Treble Booster

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