Technical Details
Brand: Uher
Model:720
Category:Mid High Fidelity
Application:Portable
Electronics:Tube
Equalization:IEC
Country of Manufacture:Germany
Release dates:1960 - 1963
Tracks:1/2 Rec/PB
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Mono - Full Track
# Motors: 1
Auto Reverse?:No
Voltage(s): 220-240v
Frequency Response:(all 3 dB): 7½ ips: 40Hz - 20kHz
Wow and Flutter:0.1% at 7½ ips
Signal-to-Noise Ratio:-45dB
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
Additional Details
Description
The 720 was half-track, two speed recorder capable of taking up to 7″ reels with a single motor, two heads and a 2.5 watt audio output. A signal/noise ratio of -45dB was claimed by the manufacturer. A stereo version, almost identical but for channel selectors and balance control appeared as the SR (Stereo Record) and sold for about £110 in the United Kingdom
Many thanks to the Museum of Radio, Rottenburg for the use of this picture.
Additional Info
Valve complement: EF 86, ECC 83, EL 95, EM 84 / Outputs: from preamp / Dimensions: 15½ x 8¼ x 14¼” (394 x 209.5 x 362 mm) / Weight: 26½ lbs (12 kg) / 720 – half-track mono. 720 SR – half-track stereo