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~ QUAD ~ LEAK & other Hi-Fi Adverts & Information ~
| Front cover of the 1959 it was a good year Hi–Fi Year Book with Acoustical Manufacturing co ltd advert | QUAD-Hi-Fi-Year-Book-1959.jpg |
| Advert for the Acoustical Corner Ribbon Loudspeaker ~ power amplifier and control unit ~ Wireless World December 1951 | QUAD-WW-Dec-1951.pdf |
| Acoustical (QUAD) Advert from Wireless World July 1952 ~ Shows original Q.U.A.D. power amp same design as QUAD II but with EF37 pentodes | QUAD-WW-jul-1952.pdf |
| Acoustical (QUAD) Advert from Wireless World 1969 ~ Shows QUAD 50E Transistor power amp with output transformer | QUAD-50-WW-1969.pdf |
| Acoustical Advert showing the mounting for the QUAD pre-amp and the rare QUAD I with shrouded transformers ~ soon to be replaced with the QUAD II as stereo "arrives"~ Wireless World Feb 1953 | QUAD-WW-Feb-1953.pdf |
| 25 Years of QUAD ~ This advert for the QUAD 405 immediately followed the article Audible amplifier distortion is not a mystery by Peter J. Baxandall | QUAD-WW-Nov-1977.pdf |
| The QUAD Electrostatic Loudspeaker ~ ESL57 ~ Company glossy from 1978 | QUAD-ESL57-1978.pdf |
| LEAK Advert from Wireless World Dec 1951 ~ Showing the early TL/12 which used an oversized dual bobbin output transformer | LEAK-WW-Dec-1951.pdf |
| LEAK TroughLine II ~ 4 page advert | LEAK-TroughLine-KFS.pdf |
| LEAK 6 page fold out "glossy" for the transistor Stereo 30 | LEAK-Stereo-30.pdf |
| Radford Electronics ltd Bristol England ~ 1960s Wireless World advert | Radford-WW-1960.pdf |
| Hi-Fi sound Stereo Test Disc HFS69 instruction card ~ relaid on A4 | HFS69-Stereo-Test-Disc.pdf |
" Katie lied ~ You could see it in her eyes "