ONKYO Integra 423
¥ 39,800 (around 1969)
Commentary
AM / FM tuner with improved bandwidth and selectivity characteristics by using a 6-element mechanical filter.
In order to eliminate image interference and spurious interference, the front end (FET) of high-frequency 2-stage / 4-row variable capacitor specification and 4-stage limiter circuit (IF5-stage) including 3-stage differential limiter are adopted.
Model Rating
Type | FM/AM Tuner |
Receiving frequency | FM : 76 MHz to 90 MHz AM : 530 kHz to 1605 kHz |
Sensitivity (IHF) | FM : 1.7 μ V AM : 20 μ V |
Image ratio | FM:85dB(83MHz) AM:70dB(1MHz) |
IF interference ratio | FM:100dB(83MHz) AM:70dB(1MHz) |
Signal-to-noise ratio (FM-IHF) | 70dB |
ACA (2-signal selectivity) | 75 dB or more |
AM suppression ratio | FM : 55 dB or more |
Capture ratio | FM : 1.5 dB or less |
FM stereo distortion factor | Not more than 0.5% |
FM-ST separation | 40 dB or More (400 Hz) |
Frequency characteristic | 20 Hz to 15000 Hz, + 0 -1dB |
External dimensions | Width 312x Height 136x Depth 345 mm |
Weight | 8kg |