Country of Manufacture:USA
Speeds: 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Frequency Response:80 - 10kHz at 7½ ips
Wow and Flutter:less than 0.35% at 7½ ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
Firstly, apologies for the
picture quality – the source was an old, yellowing, 1961 McGee
Radio catalogue (McGee Radio Company, Kansas City,
This was the Recordio “Pro” – top of the line
Stereo ¼ or ½ track with push-button controls sporting two complete
self-contained amplifiers and two 5′ x 7′ speakers giving a total
of 6 watts output.
Maximum reel size was 7″ and tape speeds were 3¾ & 7½
ips. The front plate was of sturdy, die-cast aluminium and the
entire unit weighed 37 lbs.
Controls included dual volume and tone and the semi-circular scale above
the head cover was a novel tape position indicator.
Harmonic distortion: 7% at peak output / Rewind speed: 60 seconds for 1,200 feet tape / Audio output power: 3 watts per channel / Valve complement: 5Y3GT, 2 x ECC82 / 12AU7, 2 x 6BM8 / Speaker(s): two 5″ x 7″ permanent magnet internal / Dimensions: 14½ x 15½ x 10″ (368 x 394 x 254 mm) / Weight: 37 lbs (16.8 kg) / quarter-track stereo