Blaupunkt STG 2291 [artikel 8 621 450 275 Nussbaum] AM/FM Stereo Receiver, 1970, made in Germany

 

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Оконечный усилитель собран на: 4 x Ates BD130

Country: Germany
Manufacturer / Brand: Blaupunkt (Ideal), Berlin, später Hildesheim
Alternative name Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
Brand Rotstern
Year: 1970/1971

Category: Broadcast Receiver - or past WW2 Tuner 
Semiconductors (the count is only for transistors) 41: 
Main principle Superheterodyne (common); ZF/IF 460/10700 kHz 
Tuned circuits 7 AM circuit(s) 13 FM circuit(s)
Wave bands Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF. 
Details 
Power type and voltage Alternating Current supply (AC) / 110; 220 Volt 
Loudspeaker - This model requires external speaker(s). 
Power out 
Model: STG2291 7.629.510 [Nussbaum] - Blaupunkt Ideal, Berlin,
Material Wooden case 
Shape Book-shelf unit. 
Dimensions (WHD) 620 x 168 x 200 mm / 24.4 x 6.6 x 7.9 inch

Notes

- Tuning range: FM, MW, LW, SW
- Power output: 22 watts per channel into 4Ω (stereo)
- Frequency response: 10Hz to 20kHz
- Total harmonic distortion: 0.5%
- Input sensitivity: 5mV (MM), 260mV (line)
- Speaker load impedance: 4Ω (minimum)
- Semiconductors: 41 x transistors, 21 x diodes

Net weight (2.2 lb = 1 kg) 16 kg / 35 lb 3.9 oz (35.242 lb) 
Price in first year of sale 960.00