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