Ahed was a Canadian company that produced guitar amplifiers, as well as guitars. Its main product line was the GBX amplifier, which could reach 180 watts with 4x10", 4x12" or 2x15" speakers. The GBX amplifier had a pre-amplifier that could change the gain, brilliance, depth, contour and response of the output.
Ahed Music Corporation, Ltd., established in 1969, changed its name in 1978 to Ahed Corporation, then became Eco Corporation.
In 1979, The Vannelli Brothers were using a GBX amplifier to mix their keyboards.
Read more about Ahed: GBX Amplifier, Taurus Bass Head, Darius Guitar Head, Guitars