• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1975

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 147348

• • alternative name: Hayakawa Electric Co.Ltd.

• Number of Transistors
• 53

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 140 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Optonica SM4000H - Sharp; Osaka

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 442 x 144 x 380 mm / 17.4 x 5.7 x 15 inch

• Notes
• Puissance 4/8 ohms : 58/70 W 53 Tr, 27 diodes, 1 IC Séparation ampli préampli, Fz : 15Hz~90 kHz

• Net weight (2.2 lb = 1 kg)
• 16 kg / 35 lb 3.9 oz (35.242 lb)

• Price in first year of sale
• 115,000.00 JPY

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• - - Data from my own collection

• Author
• Model page created by J Francois BERTRAND. See "Data change" for further contributors.

• Other Models

• Here you find 1332 models, 1202 with images and 517 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sharp; Osaka