Portable reel-to-reel tape recorders "Dolphin-301" and "Dolphin-302".

Reel-to-reel tape recorders, portable.Reel-to-reel tape recorders, portableSince 1972, the portable reel-to-reel tape recorders "Dolphin-301" and "Dolphin-302" have been produced by the Simferopol plant Fiolent. Designed for recording phonograms on a magnetic tape from various sources and playing them on your own or an external speaker. Dolphin-301 has a power button on the microphone and can be used as a voice recorder. Belt speed 9.53 cm / s. Recording tracks 2. Duration of continuous recording and playback 2x45 minutes. The duration of rewinding the tape is no more than 4 minutes. The sensitivity from a microphone is 0.3 mV, a receiver is 30 mV, a pickup is 250 mV, a radio line is 15 V. The frequency range on a LV with tape type 6 is 63 ... 10000, type 10 is 63 ... 12500 Hz. The relative noise level is -45 dB. SOI - 7%. Detonation coefficient 0.4%. Power supply 8 elements 373 or a network through a remote power supply unit for 12 V. Rated output power 0.8 W, maximum 2 W. Power consumption from the network is 12 W. The time of continuous operation from fresh batteries is about 10 hours. The dimensions of the tape recorder are 365x310x107 mm. Weight with batteries and coils 5 kg.