Technics ST-K806
¥ 62,000 (around 1980)
Commentary
FM/AM tuner amplifier developed as a sister unit of the ST-K808.
The quartz microcomputer timer is omitted.
As with the ST-K808, you can precisely control the stereo system based on infrared and manual commands.
It is equipped with a quartz synthesizer tuner that realizes 8 preset FM/AM stations and accurate tuning.
Equipped with FM/AM muting and microphone level volume.
Equipped with connection terminal for FM wing antenna SH-F100.
Model Rating
| Type | FM/AM Tuner Preamplifier |
| FM Tuner Section | |
| Receiving frequency | 76.1 mhz to 89.9 mhz |
| Practical sensitivity | 10.3 dBf (0.9 μ V, IHF' 58) |
| SN ratio 50 dB sensitivity | Mono : 18.5 dBf (2.3 μ V, IHF' 58) Stereo : 38.9 dBf (24 μ V, IHF' 58) |
| Distortion factor | mono:0.2% stereo:0.4% |
| Signal-to-noise ratio | mono:75dB |
| Frequency characteristic | 20 Hz ~ 15 kHz + 0.5 -1.5 dB |
| Effective selectivity | 65dB |
| Capture ratio | 1.0dB |
| Image interference ratio | 55dB(83MHz) |
| IF interference ratio | 85dB(83MHz) |
| Spurious interference ratio | 85dB(83MHz) |
| AM suppression ratio | 55dB |
| Stereo separation | 40dB(1kHz) 30dB(10kHz) |
| Leak carrier | -35dB |
| <AM Tuner Section> | |
| Receiving frequency | 522 kHz to 1611 kHz |
| Practical sensitivity | 30 μ V |
| Selectivity | 35dB |
| Image interference ratio | 45dB(999kHz) |
| IF interference ratio | 45dB(999kHz) |
| Preamplifier Section | |
| Input Sensitivity / Impedance | Phono : 2.5mV/47k Ω TV, Tape : 150mV/27k Ω Mic : 4mV/10k Ω |
| Signal-to-noise ratio | Phono:78dB TV, Tape : 97 db Mic:75dB |
| Frequency characteristic | Phono : RIAA ± 1.0 dB TV, Tape : 10H ~ 80 khz + 0 -3dB Mic : 100 Hz ~ 20 kHz + 0 -3dB |
| Tone control | Bass : ± 10 dB (50 Hz) Treble : ± 10 dB (20 kHz) |
| Loudness control | + 9 dB (50 Hz, VR-30dB) |
| Output voltage | Output:500mV Rec out:150mV |
| <General> | |
| Pwer | 100 VAC, 50Hz/60Hz |
| Memory backup | AA Dry Battery SUM-3 : 1.5Vx3 Pieces |
| Power consumption | 14W |
| External dimensions | Width 430x Height 76x Depth 310 mm |
| Weight | 4.4kg |