Description
Onkyo M-5000R Power Amplifier Tested Silver Analog 250 W ONKYO AWRAT W/ BoxDescription Newly developed DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry) technology Our ears cannot hear high frequency sounds that exceed the audible bandwidth. However, there are cases in which they can be heard. This is because beats between multiple high-frequency waveforms are converted into inaudible signals under certain conditions. This beat is a phenomenon that occurs when waveforms of multiple frequencies are synthesized, and the frequency component of the difference is generated.For example, the high-frequency waveform of a digital audio signal itself is not audible, but when those frequencies exist in close proximity, the beat phenomenon generates extra noise in the audible bandwidth. This is called intermodulation distortion, and the generation of noise that correlates with the speech signal is particularly harmful. In musical instruments, multiple tones blend together to create a beautiful harmony. However, in audio equipment, care must be taken not to create beats on its own.The signal-to-noise ratio value written in the specifications represents the residual noise level when there is no signal. Noise caused by the aforementioned beats is below the level of residual noise, so it cannot be measured by the measuring instrument. However, it is undeniable that beat noise, even at low levels, can be perceived by the human ear as a change in timbre, just as the overtones of a musical instrument at much lower levels than the residual noise can be distinguished.Traditionally, it has been thought that the negative effects of these noises should be reduced by reducing harmonic distortion (THD) and inaudible intermodulation (IM). However, these measurement items were established in the analog audio era, and did not take into account the high-frequency problems that occur in digital audio.Onkyo has investigated the mechanism of dynamic noise generation that does not appear in these measurement values, and has developed a new circuit, DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry), which has excellent amplification performance up to high frequency bands, good vertical symmetry, and low distortion ratio. The DIDRC (Dynamic Intermodulation Distortion Reduction Circuitry), a new circuit that achieves excellent amplification performance up to high-frequency bands, good upper and lower symmetry, and low distortion, has been incorporated into the M-5000R amplifier by modularization. M-5000R SPECIFICATION Rated output 2ch stereo?80W?(8?, total harmonic distortion of 0.08% or less, 2ch drive, 20Hz to 20kHz, JEITA)?150W?(4?, total harmonic distortion of 0.08% or less, 2ch drive, 20Hz to 20kHz, JEITA)BTL monaural?180W (8?, 20Hz to 20kHz, JEITA)?220W (6?, 20Hz to 20kHz, JEITA)200W+200W (4?, JEITA)THD (total distortion factor) 0.02% (20Hz to 20kHz, half power)Damping factor 130 (1kHz, 8?)Input sensitivity/impedance 1.4V/10k? (BTL)700mV/10k? (RCA)Frequency Response 10Hz to 100kHz/ +0dB , -1dB (1W/8?)1Hz to 250kHz/ +0dB, -3dB (1W/8?)SN ratio 110dB (RCA, IHF-A)Applicable speaker impedance 4 to 16 ohms (6 to 16 ohms for BTL connection)Power consumption 280W (technical standard of Electrical Appliance and Material Safety Law)Maximum external dimensions 435 mm (W) x 187.5 mm (H) x 432.5 mm (D)Weight 23.5kg Shipping FedEx?or DHLInternational Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Thank you for your understanding.
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