Dynamic Microphone TM-4 Microphone/PU Tandberg Radio; Oslo | Radiomuseum
Vintage Audio Sweden - This Tandberg Series 82 tape machine has been modified to function as a guitar tube amplifier. Some components (capacitors, resistors and tubes) have been replaced to minimize noise
Tandberg TM-2 Desk mic palm harp mic 1950s - black plastic and chrome | Reverb
Crystal Microphone TM-3 Microphone/PU Tandberg Radio; Oslo | Radiomuseum