British Pedal Company Vintage Series Dallas Rangemaster Treble Booster, detailed replica of the original 1965 Dallas Rangemaster, classic amplifier top-case version, single OC44 Germanium transistor, boosts the upper midrange and high-end frequencies, perfect for pairing with an overdriven amp, as used by Eric Clapton, Tony Iommi, Rory Gallagher, Brian May, Marc Bolan, Ritchie Blackmore and many more, hardwire true bypass, control for Boost, bypass on/off switch on the front plate, folded metal casing, silver hammerite finish, 6.3 mm mono input jack, 6.3 mm mono output cable, power supply only via 9V battery (battery is included in the delivery), current draw ca. 6 mA, dimensions (L x W x H) 132 x 105 x 71 mm / 5.2" x 4.1" x 2.8", weight 653 g / 1.44 lbs, incl. certificate of authenticity