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Sharp Hi-Fi


To Be Seen, But Never Heard.

At Optonica, we have long believed that the audiophile wants to hear his music, NOT his audio equipment. So we've made it our goal to develop components that will carry out all the functions required of an audio system, yet never add or subtract, even the slightest hint of colouration.

We want to make sure we reproduce every nuance, every overtone, exactly as it was in the original performance. In short, although we design our equipment to look great, we really don't want it to be heard.

So when the concept of digital processing was first introduced to the audio world, we quickly realized the potential of such a system, where all musical information would be registered in plus/minus terms, eliminating error and ensuring a striking sense of musical presence. And while the rest of the audio world hesitated, Optonica plunged into this great new field wholeheartedly.

We realized that digital technology offers opportunities for tremendous improvements in three basic areas of the audio realm: performance, functions and display.

With work progressing in all three of these fields, our first breakthrough - the microprocessor controlled tape deck christened as our first Electronic Tape Processor -was soon followed by another: our prototype of the world's first PAL system PCM adaptor.

Now the amplifier in our new System 105 shows the great strides we've made in eliminating mechanical elements from the audio signal path. With its electronic volume controls and DC amp circuitry, the SM-105 not only completely does away with coupling elements, but also with lead wires and contacts as well.

And the work goes on. The name Optonica was created as a symbol of the combination of advanced optics and electronics employed in high quality audio components produced by Sharp - one of the largest and most research oriented electronics manufacturers in the world.

And at Optonica we intend to live up to our name, pushing digital audio technology to its limits. Just to make sure that Optonica audio equipment will always be seen - but never heard.


CP-2311HW, CP-2323HB, CP-2323HW, CP-2511HW, CP-2711HW, CP-5100HW, CP-7100HW, CP-9100HW, RP-105H, RP-5100H, RP-5100HB, RP-5200H, RP-5200HB, RP-7100H, RP-7100HB, RP-9100H, RP-9100HB, RT-105H, RT-5200H, RT-5200HB, RT-7000H, RT-7000HB, RT-7070H, RT-7070HB, RT-7100H, RT-7100HB, RT-9100H, RT-9100HB, SM-105H, SM-110H, SM-5200H, SM-5200HB, SM-7100H, SM-7100HB, SO-9100H, SO-9100HB, ST-105H, ST-7100H, ST-7100HB, ST-9100H, ST-9100HB, SX-9100H, SX-9100HB, SY-7000HW, SY-7200HW, SY-9100HW

Year: 1981-1982



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