FM tuner section: | Reception frequency - 76MHz to 90MHz
Sensitivity - 2.2μV (IHF) / 1.7μV (S / N 30dB)
S / N ratio - 68dB
Capture ratio - 1.5dB
Selectivity (IHF) - 60dB
Image disturbance ratio - 55dB
Intermediate frequency interference ratio - 90 dB
Spurious interference ratio - 78dB
AM suppression ratio - 55dB
Frequency characteristics - 30Hz to 15kHz, +0 -1dB
Distortion (400Hz, 100% modulation) - Mono - 0.3% / Stereo - 0.8%
Separation - 35dB or more (400Hz)
Antenna terminal - 300Ω (Balanced type) / 75Ω (Unbalanced type) |
[Power amplifier section] | |
Effective output (Both channel drive): | 18W + 18W (8Ω, 40Hz to 20kHz)
24W + 24W (4Ω, 1kHz)
20W + 20W (8Ω, 1kHz) |
Dynamic power (IHF): | 70W (4Ω)
55W (8Ω) |
Harmonic distortion: | 0.8% or less (At rated output)
0.1% or less (At 1W output) |
Cross modulation distortion (60Hz: 7kHz = 4: 1): | 0.8% or less (At rated output)
0.1% or less (At 1W output) |
Residual Noise: | 0.08µV or less |
Damping factor: | 25 or more (1kHz, 8Ω) |
[Preamplifier part] | |
Input sensitivity / impedance: | Phono - 2.5mV / 47kΩ
AUX, Tape 1, 2, Rec / PB (Input part) - 250mV / 100kΩ
MIC - 2mV / 47kΩ |
S / N Ratio: | Phono - 60dB or more (input 2.5mV, B network)
Tape 1, 2, Rec / PB (Input part) - 80dB or more (Input 250mV, A network)
AUX - 70dB (Input 250mV, A network)
MIC - 60dB (Input 2mV, B network) |
Output level / impedance: | Rec out - 250mV / 10kΩ
Rec / PB (Output part) - 30mV / 82kΩ |
Frequency characteristics: | Phono - RIAA curve, ±2dB
AUX, Tape, Rec / PB (Input part) - 30Hz to 40kHz, +0 -3dB
MIC - 30Hz to 10kHz, +0 -3dB |
Tone control: | Bass - ±10dB (100Hz)
Treble - ±10dB (10kHz)
High filter - 5 kHz, 6 dB / oct.
Loudness - +6dB (50Hz) / +4dB (10kHz) |
Semiconductors Used: | Transistors x 31 pieces, FET's x 3 pieces, IC's x 2 pieces, Diodes x 21 pieces |