Rotel RN-500 DBX 222 Type II Tascam DX-4 D DBX 224X-DS Nakamichi Sony NR-500 Nakamichi DBX SNR-1 ANT e 124 Tascam DX-4 D Roth RX-NR4 DBX SNR-1 Tascam DX-4 D Toshiba Aurex Nakamichi Nakamichi Aiwa HR-50 Phase Linear Nakamichi Technics Nakamichi ANT ES4 Telcom Telefunken Sanyo Plus N 33 Nakamichi Sony NR-500 Telefunken Tascam DX-4 D Behringer SNR Nakamichi Nakamichi Rotel RN-1000 Fisher NR-500 Teac RX-9 DBX Nakamichi Nakamichi Phase Linear Rebis 6-Kanal SAE 5000 Nakamichi Dolby Mod. 363 Nakamichi Dolby Mod. 363 Tascam DX-4 D Tascam DX-4 D ANT 232 Telcom