TRIO KR-2120
¥ 44,800 (around 1970)
Commentary
Stereo receiver.
Equipped with tone control and loudness control.
Equipped with a tape monitor function.
Model Rating
Type | FM/AM Receiver |
Amplifier Unit | |
Music Power (IHF) | 34W (4 Ω) 30W (8 Ω) |
Effective power | Single-channel operation 13W/13W (4 Ω) 12W/12W (8 Ω) Both channel operation 11W + 11W (4 Ω) 10W + 10W (8 Ω) |
Harmonic distortion factor | 0.8% or Less (Rated Output) 0.2% or less (-3dB at rated output) |
Cross modulation distortion factor | 0.8% or Less (Rated Output) 0.2% or less (-3dB at rated output) |
Frequency characteristic | Main input : 20 Hz to 40 kHz ± 1.5 dB Aux : 25 Hz to 35 kHz ± 2 dB |
Output Bandwidth (IHF) | 25 Hz to 20 kHz |
Damping factor | 50 (8 Ω) |
Input Sensitivity / Impedance | Phono1, 2 : 2.5mV/50k Ω Aux, Tape play : 180mV/30k Ω Main in:100mV |
Recording and re-outputting PIN/DIN | 180mV/36mV |
SN ratio (rated input) | Phono1, 2 : 60 dB Aux, Tape play : 70 dB |
Tone control | Bass : ± 8 dB (100 Hz) Treble ± 8 dB at 10 kHz |
Loudness control | +7dB(100Hz) |
FM Tuner Section | |
Antenna impedance | 300 Ω balanced / 75 Ω unbalanced |
Sensitivity (IHF) | 2.3 μ V |
S/N | 60 dB or more |
Distortion Factor (400 Hz, 100% modulation) | Stereo : 0.9% or less Mono : not more than 0.7% |
Capture Ratio (IHF) | 4.0dB |
Selectivity (IHF) | 45 dB or more |
Image ratio | 60 dB or more |
IF Rejection | 100 dB or more |
AM suppression | 45 dB or more |
Harmonic spurious response | 70 dB or more |
Stereo separation | 30 dB or More (1 kHz) 20 dB or More (10 kHz) |
Subcarrier suppression | 40 dB or more |
Front end | 1 FET, 3 Series Varicon |
IF Stage | 1IC |
<AM Tuner Section> | |
Antenna | Built-in high sensitivity ferrite bar antenna |
Sensitivity (IHF) | 25 μ V |
Selectivity (IHF) | 25 dB or more |
Image ratio | 45 dB or more |
IF Rejection | 35 dB or more |
Front end | Double Variator |
<General> | |
Accessory function | Tape monitor Loudness control |
Semiconductor used | Transistor : 26 FET : 1 IC : 1 Diode : 21 |
Power consumption | 55W at maximum output 15W (No signal) |
External dimensions | Width 424x Height 133x Depth 314 mm |
Weight | 7.2kg |