Technical Details
Brand: Pentron
Model:PT-72 Virtuoso
Category:Vintage
Application:Consumer
Electronics:Tube
Equalization:NAB
Country of Manufacture:USA
Release dates:1957 - 1960
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: Stereo
Voltage(s): 110-120v
Outputs: RCA
Frequency Response:(all 3 dB): 7½ ips: 40Hz - 13kHz
Wow and Flutter:less than 0.4 % at 7½ ips
Signal-to-Noise Ratio:48dB
Sound quality rating:5 / 10
Long-term reliability rating: 5/ 10
Additional Details
Description
Available in mono (PT-72) and stereo (PT-725), the Virtuoso featured a dual extended range speaker system with a crossover network: one 6′ circular PM woofer and an exponential 4″ tweeter with solid basket.
A two-speed recorder, this recorder had a “Unimagic” single-lever control for Play, Record, fast Forward and Rewind. The record head had a removable pole-piece, the amplifier output was 5 watts and record level was displayed via a “magic eye”.
Signal to noise ratio was 48dB and wow & flutter at 7½ ips was under 0.4%.
Other selling points were a 3-digit tape counter and automatic breaking.
Additional Info
Rewind speed: 2 minutes for 1200 ft tape / Audio output power: 5 watts / Inputs: mic or magnetic phono and radio, TV or crystal / ceramic phono / Outputs: external amp or headphones and external speaker / Speaker(s): 6″ permanent magnet woofer & 4″ tweeter with crossover network / Weight: 29 lbs (13 kg) / half-track mono, half-track stereo (see above)