Quad II Classic monoblock power amplifier
"The realistic reproduction of orchestral music in an average room requires peak power capabilities of the order of 15 to 20W when the electro-acoustic transducer is a baffle-loaded moving-coil loudspeaker of normal efficiency."
—Peter">http://www.stereophile.com/news/121503walker/index.html">Peter Walker and D.T.N. Williamson, writing in the Journal of the Audio Engineering Society in 1954
—Peter">http://www.stereophile.com/news/121503walker/index.html">Peter Walker and D.T.N. Williamson, writing in the Journal of the Audio Engineering Society in 1954