The Quad QC-24 is a wonderful $1,250 tube preamplifier from one of longest-lived, most famous names in High-End audio. It is a Golden Ear Award winner in The Abso!ute Sound. Our mod takes it to the next level and allows it to compete with anything under $3,000.
Sonic changes of our Level-1 mod
The Quad 909 power amplifier is a wonderful 140wpc power amp (250 watts into 4 ohms), with a midrange unsurpassed in its price range which The Abso!ute Sound review compares to $4000 tube amps.