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BSM
Black Box Booster
Artikel Nr. 3110
EUR 287.56  
incl vat
free shipment within Germany
Shipment cost international..
delivery within 3 to 5 days


BSM: Black Box Booster
Black Box Booster

In the mid/late 70s guitarists were excited by the idea of expanding the radius of their stage acting by using a wireless system. There were not many of them around that could be used for guitar. The best device to be found was the Schaffer Vega Diversity System. This unit was technically a very clever solution but also colored the sound to a certain degree. Nevertheless many famous players decided that the freedom of running around and be safe from electric shocks counted more than preserving the pure guitar sound. Amongst them were e.g. David Gilmour, Peter Frampton, Eddie van Halen or Angus Young. When it came to recording some discovered that they got so much used to the coloration (more transparency), slight compression (out of the compounder function) and the additional gain boost so they decided to use it not only live but in the studio as well. The production of the Schaffer device stopped somewhen down the line (around 1981) and the development of modern wireless systems continued. As times went by a guy named Filippo Olivieri (SoloDallas.com) - a great fan of AC/DC and especially Angus Young’s tone on the “Highway to Hell”, “Back in Black” or “For those about to Rock” albums - rebuilt the Schaffer´s device audio circuit, being historically correct as the "Schaffer Replicas". Now 40 years have gone since the release of the milestone “Back in Black” (2nd best selling album of all times). 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. Because of the controls for preamp (“crunch”) and output stage (“level”) you can and have to tame the beast! The “crunch” control sits in between the pre- and output stage but you will have to involve the volume control of the following amp as a Mastervolume for generating the overall drivesound that includes overloading the amp's (possibly clean working) preamp tubes. Unity gain can be achieved by dialing “crunch” to 10 and “level” to 12 o'clock.
Maximum gain is 46dB @ 500hz and output can rise up to 15Vpp … so be careful: “High Voltage!” If you have to use other devices like chorus or delay pedals in the chain behind the Black Box and in front of the amp it would be better to run the unit at 9volts to save the other pedals lives.
The BSM Black Box is inserted between guitar and amplifier, not into the FX loop. The magical tone is achieved by the interaction between guitar pickup, booster and amplifier. By using the external DC jack, you can power the unit with 9 volts up to 18 volts for increased headroom and output.

NEEDS: 9-18VDC 20mA Center Negativ

Prices plus VAT. Printing errors reserved. Delivery as long as item is in stock.
© Frank Post, Bruchwiesenstrasse 25 D-66111 Saarbrücken, Telefon 0049(0)681-5898564, Email info AT loopersparadise de




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