National Panasonic SU-2300 amplifier including ST2300 tuner Amplifier SU-2300 Country: Japan Manufacturer / Brand: Technics (brand) Year: 1975 Category: Audio amplifier or mixer Semiconductors (the count is only for transistors) semiconductors present. Main principle: audio amplification Wave lengths - without Details: Power type and voltage (AC) / 220 volts Speaker: this model requires external speaker(s). Power out 20 watts (unknown quality) from Radiomuseum.org Model: Stereo Integrated Amplifier SU-2300 - Technics brand Material metal housing Shape Bookshelf Dimensions (WHD) 392 x 89 x 243 mm / 15.4 x 3.5 x 9.6 inches Remarks Stereo-integrated amplifier with 10 watts RMS per channel at 8 ohms. Design black. Net weight (2.2 lb = 1 kg) 2.9 kg / 6 lb 6.2 oz (6.388 lb) Tuner Country: Japan Manufacturer / brand: Panasonic, Matsushita, National ナ シ ョ ナ ル (tubes as well); Osaka Year: 1975 Category: Broadcast Receiver - or after WW2 Tuner Semiconductors (the count is only for transistors) 6: 2SK83 2SC1047 2SC1359 2SA564 2SC828 2SC1383 Main principle Superhet with RF phase; ZF/IF 455/10700 kHz Wave bands: Broadcast (BC) and FM or UHF. Details: Power type and voltage (AC) / 100 volts Speaker - for headphones or amplifier Power output from Radiomuseum.org Model: FM/AM stereo tuner ST-2300 [100 volt Japanese model] - Panasonic, Matsushita, Material: modern plastics (no Bakelite or Catalin). Shape Bookshelf Dimensions (WHD) 392 x 89 x 257 mm / 15.4 x 3.5 x 10.1 inches Comments Adjusts the Japanese band to 76-90 MHz; MW 525-1605 kHz. FM MPX Stereo. FM freq. Response 20 Hz-15 kHz (+ 0.2-2.0 dB) FM car/muting switch, FM/AM band switch, LED FM stereo indicator. Tuning meter of moving coil. AM Ferrite antenna, 75 ohms FM antenna connections. Power consumption 5 watts Also contains 3 ICs: HA1137W (FM IF AMP); HA1156W (FM MPX); HA1151 (AM RF / IF AMP) and seven diodes. Net weight (2.2 lb = 1 kg) 2.5 kg / 5 lb 8.1 oz (5.507 lb)