Allegro

The Allegro is a mono record player with an amplifier, made by Tehnoton in Iași [1].

The Agenda radioelectronistului (2nd edition, 1989) lists the „ALLEGRO” („Picup cu amplificator mono”, mono record player with amplifier, made by Întreprinderea Tehnoton, Iași) among the mono and stereo (hi-fi) audio equipment made in Romania [1]. It gives nominal platter speeds of 33.33 and 45.11 rpm (as printed; idler drive), a speed deviation of at most ±2.1 % and a fluctuation of at most ±0.25 %, a signal-to-noise ratio of at least 30 dB and a signal-to-rumble ratio of at least 28 dB, a cartridge sensitivity of at least 50 mV/cm·s⁻¹ and a cartridge response of 50–10,000 Hz (at 12 dB), a nominal amplifier output of 2 W (at 1 kHz, 8 Ω, 5 % distortion), an amplifier sensitivity of at most 300 mV (at 1 kHz, 2 W), a tone control of at least 10 dB (bass and treble), a 220 V, 50 Hz supply, at most 40 VA, 14 × 40 × 24 cm (height × width × depth), at most 5 kg and a GZK 662 mono ceramic cartridge [1].