Improved Performance-to-Cost Ratio Gives You Lower Tuning Error for Lower Price in This New Pioneer Model. ■Clean Audio Output: Flat 20Hz to 15kHz +0.5dB -1.0dB. ■Extra-Long Tuning Dial with LEDs. ■Straight-Rule Twin Tuning Meters. ■Pioneer-Exclusive ICs with Automatic Pilot Canceller. When designing the TX-6800 stereo AM/FM tuner, PIONEER put sound quality first on the list of objectives. We made sure the audio output is as clean as possible-free of distortion and noise. Our goal was achieved: the frequency response reaches from the aimost inaudible low of 20 Hertz to the upper reaches of your hearing at 15,000 Hertz, plus 0.5dB. minus 1.0dB or better. Special ICs developed exclusively for PIONEER are used throughout, wherever it was possible to eliminate bulky discrete parts without harming performance quality, in fact, these special ICs enable us to reduce cost and improve performance quality, not only in this model but in our most expensive tuners and receivers as well.