• Country
• Japan

• Manufacturer / Brand
• Onkyo, Osaka Denki Onkyo K.K.; Osaka

• Year
• 1990/1991

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 219718

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Remote Control (with wire or wireless)

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 210 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Quartz Synthesized Tuner Amplifier TX-7740 - Onkyo, Osaka Denki Onkyo K.K.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 130 x 345 mm / 17.1 x 5.1 x 13.6 inch

• Notes
• Onkyo Quartz Synthesized Tuner Amplifier TX-7740,
  2 x 105 Watt Sinusleistung (4 Ohm),
  2 x 180 Watt Musikleistung (4 Ohm),
  2 x 70 Watt Sinusleistung (8 Ohm).

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Source of data
• -- Original prospect or advert

• Other Models

• Here you find 641 models, 618 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Onkyo, Osaka Denki Onkyo K.K.; Osaka