DBX 222 Type II Nakamichi Nakamichi Aiwa HR-50 Nakamichi Nakamichi Tascam DX-4 D Fisher NR-500 Rotel RN-1000 ANT ES4 Telcom Phase Linear Tascam DX-4 D Tascam DX-4 D Teac RX-9 DBX Technics Nakamichi DBX 224X-DS DBX SNR-1 Tascam DX-4 D Nakamichi Telefunken Roth RX-NR4 SAE 5000 Nakamichi Toshiba Aurex Nakamichi Phase Linear Telefunken DBX SNR-1 Tascam DX-4 D Sony NR-500 Nakamichi Nakamichi Telefunken Rotel RN-500 Nakamichi Rotel RN-500 Dolby Mod. 363 Nakamichi Nakamichi ANT e 124 Nakamichi Tascam DX-4 D Dolby Mod. 363 Sanyo Plus N 33 ANT 232 Telcom