Condition is Pre-owned. (L1415) This component is in beautiful condition for its age (approximately 1971) Tested functions and all work. However there is a hum when it plays through speakers. There is no hum when listening through headphones. The Electronic Rhythm Composer was tested and works. This vintage Kenwood KR-5170 stereo receiver is a rare find for collectors and enthusiasts. With its origins in Japan, it boasts a unique blend of classic design and advanced technology. The unit is being sold as is, with no guarantees on its functionality or condition. However, it can be an excellent addition to any vintage audio setup or a rewarding project for someone with technical expertise. The receiver comes with the brands signature quality and durability, making it a highly sought-after piece. Its features include AM/FM radio, multiple inputs, and outputs, and an elegant analog display. The model is perfect for those who appreciate vintage electronics and are looking for a unique addition to their collection. TypeFM/AM Receiver Amplifier Unit Music Power (IHF)110W (4 ) 75W (8 ) Effective powerSingle Channel Operation :40W/40W (4 ) 30W/30W (8 ) Both Channel Operation :31W/31W (4 ) 25W/25W (8 ) Harmonic distortion factor0.5% or Less (Rated Output) 0.1% or Less (-3dB at Rated Output) Cross modulation distortion factor0.5% or Less (Rated Output) 0.2% or less (-3dB at rated output) Frequency characteristicAux : 20 Hz to 40 kHz Input Sensitivity / Impedance (at rated output)Phono : 2.5mV/50k Mic : 2.5mV/10k Guitar : 2.5mV/10k Aux, Tape play A, B : 200mV/100k Main input:100mV Recorded output (at rated input)Pin:150mV Din:30mV S/N (at rated input)Phono:65dB Mic:58dB Guitar:60dB Aux, Tape play : 75 dB Damping factor50 (8 ) Tone controlBass : 10 dB (100 Hz) Treble : 10 dB (10 kHz) Rhythm selectorMarch, FoxTrot, Rock, R & B, Ballad, Shuffle Bossanova1, 2, Latin Beat, mambo, Waltz, Jazz Waltz Number of electronic percussion instruments5 kinds Start switchOff, start Rhythm modeLeft, Right, Reverse, Stereo, Mono Tempo controlSlow-Quick (tempo can be adjusted freely) FM Tuner Section Sensitivity (IHF)FM : 2.0 V AM : 15 V FM Distortion Factor (400 Hz, 100% modulation)Not more than 0.65% Image ratioFM : 55 dB or more AM : 55 dB or more FM multi-section separation35 dB or More (400 Hz) FM antenna impedance300 equilibrium Sensitivity (IHF)FM : 2.0 V AM : 15 V FM Distortion Factor (400 Hz, 100% modulation)Not more than 0.65% Image ratioFM : 55 dB or more AM : 55 dB or more FM multi-section separation35 dB or More (400 Hz) FM antenna impedance300 equilibrium Accessory functionDedicated Jack for Foot Switch Microphone level My Kujac Guitar jack Headphone jack Due to the age of this device and the uncertain nature of vintage electronics, this equipment is being sold AS IS with no returns or adjustments. This is NOT a new component. As such, it does not come with any guarantee-- implied or written. Vintage audio equipment is sensitive and does not travel particularly well. So in rare instances, that which was working 100% at my house may require adjustment or servicing before working equally well at yours. S/N - 610116 out S/N - 610402 in