Denon - DRA-500AE, THD: 0,08%, AUDIOPHILE, Pure Direct, Frequency response: 10 Hz ~ 100 kHz Solid state multi-channel receiver
Radio-Marine Technifrance / antenne boussole GONIO / casque / sondeur - Super Navitech World radio - Multiple models
Philips - Thermionic valve - Philips, Siemens, General Electric, Telefunken Audio component - Multiple models