Model:Series 80 R84
Category:Mid High Fidelity
Country of Manufacture:United Kingdom
Release dates:1961 - 1964
Speeds: 1 7/8, 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Stereo - Stacked
Frequency Response:(all 3 dB): 7½ ips: 30Hz - 20kHz
Wow and Flutter:(better than) 0.15% at 7½ ips, 0.2% at 3¾ ips and 0.3% at 1 ips
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
The Series 80 tape deck was a three motor, three speed unit that Truvox fitted into a fairly large range of machines over several years. It was available as a deck-only in half or quarter-track versions (PD82 & PD84) or as a complete recorder with built-in audio amplifiers (R82 or R84). Prices ranged from £42 – £63. The unit pictured here is an R84.
Speed variation: less than 1% at either tape speed / Valve complement: EF86, ECC81, ECC82, ECL86, EM87, OA81 and B250-C75 / Audio output power: 4 watts into 15 ohms / Inputs: microphone: 1mV at 2Mohm, radio / gram 150mV at 500Kohm / Outputs: high imp. line 1.0V at 47Kohm, ext. speaker 3 & 15 ohms at 4 watts / Speaker(s): 8″ x 5″ hyperbolic cone, high flux / Dimensions: 16¼ x 15¼ x 10″ (413 x 387 x 254 mm) / Weight: 35lbs 15.9 kg) / R82 – half-track mono. R84 – quarter-track mono