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Greuter Audio Colour Boost

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Greuter Audio

The Greuter Boost with Colour uses the same circuit as the Greuter Boost, with an input capacitance control and a switchable active tone control.

Based on the legendary Treblebooster. Boosts treble and makes your guitar sounds dirty with a slight overdrive. This is no Clean Boost. It cuts very well in the mix and pushes overtones into feedback. Works very well with cranked small low wattage tube amplifiers.

Great to reproduce the guitar tones of Eric Clapton (Beano and Cream), Jimmy Page, Jeff Beck, Ritchie Blackmore (early Deep Purple, Tony Iommi (early Black Sabbath), Marc Bolan (T-Rex), Brain May (Queen), and many more.

Handbuilt in Switzerland, point-to-point, True Bypass, Switchcraft plugs, big knobs, hand selected and ear biased NOS germanium transistor, NOS capacitors (Philips and Tropical Fish)

Since the germanium transistor are PNP and have positive ground, you usually are not able to use germanium pedals with normal 9V adapter. The Greuter Germanium OD has an internal polarity converter to use it with normal 9V adapter. There’s no hassle with only using batteries or special power supplies.

Controls:
Volume: The more volume the more it overdrives.
Tone1: Changes the input capacitance from bass to treble boost.
Tone2: Active tone control to push your guitar sound into the  stratosphere. It’s not just from dark to bright. On 0 it sounds like it’s off  then it starts boosting the low midrange till about 8 it starts to boost upper mids and trebles. The tone circuit acts very subtle and organicly. It’s hard to describe what it exactly does but it’s great to dial these bright 50’s and 60’s guitar tones.

Works with 9V battery or normal 9V AC/DC adapter (negative tip) like 1Spot 9V adapter or Boss PSA 9V adapter (not included)

Available in various colours

Most recent forum threads

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fx pedal stompbox stomp box guitar effects pedal treble booster high frequency booster treblebooster trebleboost high boost hi boost amplification amp amplifier volume/amplification
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