Grundig RF255U/Stereo is a mid-1960s stereo tube radio manufactured in West Germany by Grundig (Radio-Vertrieb, RVF, Radiowerke). The unit includes a wood veneer cabinet, analog tuning dial, and tone controls. It uses a 6-tube lineup and is built on a superheterodyne circuit design. This listing is for the radio only; condition and functionality should be verified before use. Slowly powered up with Variac & Dim Bulb Tester. Normal power consumption with no readily apparent faults. No further testing performed. Tubes and internal components untested beyond initial power up test. External case in great shape considering age of the unit. See pictures for specific interpretation. Grundig RF255U/Stereo radio. No accessories, cables, or external speaker. Antenna and power cord are attached. Year: Circa 1966. Type: Broadcast receiver. Tubes: 6 total – ECC85, ECH81, EAF801, ECC83, EM87, ELL80. Semiconductors: 2 × AA113 diodes, 1 × B250C100 rectifier. Audio Output: Internal speaker (permanent dynamic), external speaker output for stereo. Tone Controls: Bass, treble, balance. Inputs: Phono/Tape input (DIN), external speaker terminals. Power Supply: AC mains. Cabinet: Wood veneer. Dimensions (approx): 25 × 8 × 9 in (63.5 × 20.3 × 22.9 cm). Weight (approx): 20-25 lb (9-11 kg). Stereo operation requires external speaker connection. Red stereo indicator lamp activates on FM stereo reception. Use caution when powering vintage tube equipment; inspection by a qualified individual/technician is recommended.