 Sunn Orion - What Could Be More Powerful Than 175W rms? (1969)
The Sunn Orion was modular in nature, as underlined in this advert; amps or cabinets could be added as required.
|  Sunn Orion - Brian Stiddle Never Played a Sunn Amp Before (1969)
1969 advertisement for the Sunn Orion amplifier, featuring fictional(?) bassist Brian Stiddle
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