Onkyo is a Japanese audio equipment manufacturing company that specializes in home theater systems and audio receivers. They are known for their high-quality sound systems.

Onkyo

The Onkyo Scepter E-603 A is a bookshelf loudspeaker that was manufactured from 1973 to 1976 in Japan. It features a three-way design, utilizing three speakers in a closed cabinet configuration. The design includes a 300 mm cone woofer (W-300A) for low frequencies, a horn midrange driver (HM-450A), and a horn tweeter (TW-1500A). The loudspeaker delivers a frequency response ranging from 27 Hz to 20 kHz, with a nominal power handling of 30 watts and a music power handling of up to 60 watts. The efficiency level of the speaker is rated at 93 dB/W/m, and it has an impedance of 8 ohms. The transitional ranges occur at 550 Hz and 7,000 Hz, making it suitable for a wide array of music genres. The cabinet measures 410 mm in width, 690 mm in height, and 346 mm in depth, weighing approximately 28 kg. Special features include a detachable front and separate controls for the tweeter and midrange, allowing users to customize their listening experience.

Scepter E-603 A

by Onkyo

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