TELEFUNKEN TRX 3000 HIFI (GERMANY 1978)
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The TRX 3000 was a top of the range Stereo-Quadro Receiver (tuner-amplifier) that was introduced by Telefunken in May 1978. The radio section is a FM-Stereo/AM Quartz Controlled unit with Digital frequency display and 7 pre-sets with touch-control. The amplifier section can be operated in various modes and it is specified at 2x100W 8ohm in Stereo mode and 4x50W 4ohm in Quadro mode. You can connect up to 6 (4ohm) and 2 (8ohm) loudspeakers for various types of operation. One speaker pair can be used in bridged mode for stereo operation delivering 100W/ch in 8ohm mode. Another option is to use two pairs of loudspeakers, each in a different room that can also play different sources (e.g., one room cassette, the other room turntable). The third option is to use the receiver to playback Quadro source material from a Quadro tape recorder or Quadro turntable from SQ, Discrete or CD 4 encoded material. The power output can be monitored via 4 LED power meters while there are two dedicated balance controls for left-right and front-rear balance as well as bass, mid, treble and loudness tone controls. The TRX 3000 has inputs for 2 turntables, 3 tape recorders (2 for Quadro source), 3 headphones, microphone, 1 aux and 1 monitor. All inputs use DIN plugs while some of them are doubled by RCA connectors. Dimensions: 494x163x386 mm
YAMAHA CR-2020 (JAPAN 1977)
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When introduced in 1977 the YAMAHA CR-2020 was the top of the YAMAHA receiver line and one of the most elaborate receivers on the market. At full-rated output, the 105 watt/channel power amplifier reduces total harmonic and intermodulation distortion to a new absolute low (0.05% from 20-20,000 Hz into 8 ohms). The exceptionally fine preamplifier is largely responsible for an incredible -95dB signal-to-noise ratio, from moving magnet phono input to speaker output. The CR-2020's tuner makes FM reception up to 18kHz possible for the first time with unique negative feedback and pilot signal cancellation circuits. Other features include a moving coil input, variable loudness control, record any source while listening to another, fast rise - slow decay power meters, selectable turnover frequencies for bass and treble control, presence control and two-position low and high filters with 12dB/octave slopes. Technical data: 105 W/ch (min. RMS, 8 ohm 20-20,000 Hz) Dimensions: 521 x 147 x 415 mm, Wight: 18.6 kg
