| 1. | QUAD Stereo Amplifier Vaccume Tube Amplifier Systems User Guide VACUUM TUBE AMPLIFIER SYSTEMS Q L A U the closest approach to the original sound The Quad W to THE QUAD II FORTY valve amplifier is not only one of the finest sounding valve power amplifiers available today it is an aesthetic and engineering masterpiece An understated elegance lies beneath the smooth curves and lustrous finish for the power amplifiers use a circuit dating back over fifty years to the time when vacuum tubes ruled the electroni |
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