Country of Manufacture:USA
Release dates:1951 - 1954
Speeds: 7 1/2
Max Reel Size("): 7"
Number of heads:
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Frequency Response:( 3 dB): 70Hz - 8kHz
Wow and Flutter:
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
Made by Bell Sound Systems,
Columbus Ohio, this single speed (7½ ips) dual track recorder featured
a neon recording level indicator and an internal speaker.
The maximum claimed frequency response was 70
– 8kHz (3db).
All the controls were grouped on the front panel
along with the 6″ internal heavy-duty speaker which automatically
disconnected when an external one was used.
Power output was 3.5 watts and maximum reel
size was 7 inches.
Price when new US$124.32 (from a 1951
Allied Radio Co. catalog).
A 3-speed model was released in 1953, the RT-65-B
Re-Cord-O-fone (see additional images).
Audio output power: 3.5 watts / Speaker(s): 6″ round heavy duty PM speaker / Rewind ratio: 1:6 / Valve complement: 12AX7, 12AU7, 6V6GT, 6X5GT (rectifier) / Dimensions: 15 x 16 x 8½” (381 x 406 x 216 mm) / Weight: 37 lbs (16.8kg) / half-track mono