



Acoustic Research, A&R Cambridge, Aiwa, Akai, Alpha, Alphason, Arena, AR, Arcam, Ariston, Armstrong, Audio Innovations, Audiolab, Aurex, B&O, B&W, Beard, Beocord, Beogram, Beomaster, Boston Acoustics, Bose, BSR, Bush, Cambridge Audio, Carlton, Carver, Celestion, Cerwin Vega, Chord, Connoiseur, Conrad Johnson, Counterpoint, Creek, Croft, Custom Sound, Cyrus, Dansette, Decca, Denon, Dual, Dynatron, Eagle, Fender, Fennman, Ferguson, Fisher, Gale, Garrard, Goldring, Goodmans, Grundig, Hacker, Haffler, Harbeth, Harmon Kardon, Haybrook, Hitachi, HMV, IMF, Inkel, Integrex, ITT KB, Jamo, JBL, Jim Rogers, JR, JVC, Kef, Kelvin Labs, Kenwood, Klinger, Korting, Krell, Leak, Lenco, Linx, Lux, Luxman, Lynx, Marantz, Mark Levinson, Martin Logan, McIntosh, Meridian, Michell, Mission, Mitsubishi, Monitor Audio, Murphy, Musical Fidelity, NAD, Naim, Nakamichi, National, NEAL, NRG, Nytech, Onix, Onkyo, Optonica, Panasonic, Philips, Pilot, Pioneer, Proton, PYE, QED, Quad, Radford, Rega, Revox, Roberts, Roksan, Rogers, Rotel, Sansui, Sanyo, Scan Dyna, Servo Sound, Sharp, Sherwood, Sonab, Sony, Soundlab, Spendor, Sugden, Superscope, Tandberg, Tannoy, Teac, Technics, Telefunken, Toshiba, Thorens, Tresham, Trilogy, Trio, Uher, Vega, Wharfdale, Yamaha.