Technics ST-S 7

Data

General

• Manufacturer: Technics
• Model: ST-S 7
• Type: Tuner
• Years of manufacture: 1980 - 1983
• Made in: Osaka Japan
• Color: Silver, Black
• Remote control: No
• Power consumption: 9.9 watts
• Dimensions: 430 x 53 x 310 mm (WxHxD)
• Weight: 4.0 kg
• Original price: 548 DM (1981)

Connections

• Number of outputs
  • 4: Stereo R, L; Multipath for at that time planned 4-channel broadcasts on VHF or together with the Vert jack for optical alignment of the antenna by means of an oscilloscope
• Number of inputs

75Ohm antenna socket type "F

Technical data

• Reception: VHF/MW
• Frequencies:
  • VHF: 87.5 - 108.0 MHz

MW: 522 - 1611 kHz

• Frequency response: 5 Hz-18 kHz
• Input sensitivity: 0.95 µV
• Distortion factor: 0.1%(mono) 0.15%(stereo)
• Signal to Noise Ratio: 69 dB(Mono) 65 dB(Stereo)
• Channel separation:
• Selectivity: 85 dB(400kHz) 55 dB(300kHz) 55 dB(9kHz)
• Co-wave selection:
• Spurious wave selection:
• IF attenuation: 80 dB at 98 MHz, 50 dB at 999 kHz

IF attenuation: 110 dB at 98 MHz, 45 dB at 999 kHz AM suppression: 55 dB

• Station memory: 8 each for AM and FM

Special Features

• Clock (battery-supported) with timer: 3 switching times, switching socket max. 500 VA

Remarks

Information of the company Panasonic/Technics about this device: This device is a quartz synthesizer VHF/MW stereo tuner. DC amplifier, detector and stereo decoder. Automatic 19kHz pilot tone suppression provides a linear frequency response from 5 Hz to 18 kHz (+0.2dB, -0.5dB). Ceramic filters with linear group delay in the IF stage guarantee a selectivity of high 85dB (VHF) and 55dB (MW).
The quartz synthesizer allows pre-programming of up to eight FM and AM stations, which can then be recalled at the touch of a button. The station set before switching off is retained in the memory.
Equipped with a timer that can be programmed for two programs daily plus an additional program once daily or weekly, and also serves as a digital time clock.
This model came on the market in 1982/1983 (in Germany).

Note:
But is already shown in the Technics catalogue 1980/81.

Hint: When buying a used model, be sure to ask the vendor about the brightness of the display: after 25 years of continuous operation, these are usually no longer recognizable and are no longer offered by the manufacturer (Futaba, Japan).

• Other models of the same series:
• Technics ST-S 1
• Technics ST-S 3
• Technics ST-S 7

Pictures

• Extract from brochure: Technics ST-S 7