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STOP WARNING BEFORE YOU BUY ANY DENON ONLINE CHECK DENON S WEBSITE WARNINGS. DO NOT BUY FROM ANY DEALER WHO IS NOT LISTED ON DENON"S SITE AS AN AUTHORIZED DEALER.
This unit has been quality refurbished by DENON. DENON certifies that this unit operates exactly as a BRAND NEW unit.
WE, DAKMART offer an exclusive 1 year warranty on these items, unlike others who only offer the standard 90 day warranty.
BE VERY CAREFUL OUT THERE... If you do not buy from an authorized DENON Dealer, DENON WILL NOT honor the warranty and you will not receive any updates, upgrades or support. DENON S technicians are among the best in the business... DO NOT give that up!!! If you buy from a dealer who is not authorized, you are taking a risk that the serial # may have been tampered with or removed...
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AVP-A1HDCI
$7,000.00
Your State-of-the-Art Denon Solution for Maximizing Content Quality
The great appeal of a home theater is to be surrounded by dynamic, realistic sound and stunningly beautiful video images. In this age of high-quality 1080p video and high-definition audio, the core of Denon A/V surround sound technology has been the Dynamic Discrete Surround Circuit (D.D.S.C.). Now, with the AVP-A1HDCI, Denon has developed the D.D.S.C.-HD circuit so that high-quality HD audio performance is on par with the high quality of video images. This new circuit masterfully embodies Denon’s foremost design concept for A/V surround amps which is to "reproduce content with total fidelity to the original intent of the producer." The D.D.S.C.-HD reproduces with ideal quality the sound of the latest high-grade HD audio sources.
The "simple and straight" design concept of the AVP-A1HDCI has been thoroughly implemented in the signal paths to contribute to immaculately clean audio and video playback. Signal paths are as short as possible to keep signal degradation in the audio and video circuitry to an absolute minimum. Fully separated Audio, Video, Pre-Amplifiers and Power Supplies allow for a cleaner and clearer signal path. Dedicated transformers have been allotted for each block to prevent unwanted noise and produce a clean power supply circuit. One large toroidal transformer is used for the XLR output circuit and a second large toroidal transformer powers the analog audio circuit. Two transformers are used for the analog video circuitry; dedicated power supplies are provided for the display, CPU, digital audio circuitry, and digital video circuitry; and two are for the pre-amp section. The combination of these transformers, 50-ampere bridged diodes, four 10,000 microfarad block capacitors, and an ultra-robust power supply provides a stable source of power.
The AVP houses a low-impedance drive pre-amp, amplifier, and volume control unit in a discrete configuration as a single component. Since circuits configured of op-amps or similar devices used in general amplifiers do not have drive capability to withstand low impedance, distortion occurs under large current. This discretely configured pre-amp is capable of delivering distortion-free output thanks to its class-A operation capability up to low impedance. This circuit also requires a small number of elements, allowing output of pure audio signals of high S/N ratios and low distortion.
Vibration-resistant construction has been reviewed to thoroughly suppress the adverse influences of vibration on sound quality. The power transformers, a source of vibration, have been securely mounted on the highly rigid bottom chassis. Directmounting of cast-iron feet to the radiator in near proximity to each other serves to suppress mutual vibration with the power transformers and other sources of vibration. And careful mounting and placement of various parts has effectively eliminated the influences of external and internal vibration. This is all part of Denon’s uncompromising design for impeccable sound quality.
Under the Hood: Component Technologies That Deliver Unrivaled Power and Versatility
Denon"s design packs nearly countless features under the hood
There"s nothing this powerhouse can"t handle. Vi ew larger
Advanced AL24 Processing Provides More Dynamic Range
In AL24 Processing, the internal processing circuit generates 8 lower bits of data which are added to the original 16 higher bits for 24-bit quality output. The circuit then interpolates the digital data so that it as closely as possible reproduces the smoothness of an analog waveform and allows recordings on CD or other digital media to sound the way they should in the natural world. Figure 1 shows the playback sine wave of conventional 16-bit data and how an audio signal that is only output in steps of one LSB is smoothed as if it were 24-bit data. Of course, these differences are also clearly audible: distortion that causes discomfort is reduced and the sound enjoys a superior S/N, free of noise. In addition, Advanced AL24 Processing uses proprietary high-speed signal detection technology and high-speed processing technology to perform high-sampling up conversion on the time axis and produce a sine wave that is even closer to that of an analog signal. Besides expanding the conventional number of bits, Advanced AL24 Processing uses high-speed arithmetic processing algorithms developed by Denon to observe and analyze sample groups of the original data and make interpolations associated with up sampling and frequency range expansion. Figure 2 shows the features of arithmetic processing. If we observe the sine wave of a relatively large attack signal assuming an actual music signal, we can easily see how different it is from conventional processing. While considerable ringing occurs with general FIR filters both before and after the attack signal, there is little ringing with Advanced AL24 Processing and we can see how well suited this technology is for the reproducibility of sine waves. Since greater efficiency in processing and higher processing capacity allow data samples to be processed in one stage across a wide range, signals can also be interpolated with greater accuracy compared to methods such as multi-stage configurations that use conventional digital filters. In addition, the over sampling rate has been boosted to 16fs from 8fs to facilitate the expansion of data volume that contains a more detailed, natural sound. The sonic result for the audiophile is the ability to enjoy musical recordings with the full ambience of the concert hall replete with its spaciousness and the movements of musicians.
Master Clock Design
Various techniques have been adopted to boost the precision of the master clock and ensure meticulous accuracy in D/A conversion. These include stabilizing the power supply and ground potential, and minimizing the length of wires. In addition, by regenerating the master clock with a high-accuracy phase-locked loop (PLL) near the D/A converter, residual jitter is minimized, enabling playback of high quality sound with clear sound images and contours.
Denon Link 3rd
Denon Link is a jitterless digital interface that uses high-speed transmission devices for balanced transmission to achieve high-speed, high-grade real-time digital transmission with negligible signal degradation. When connected to a DVD player, Denon Link enables direct digital input of PCM 24-bit/192-kHz digital signals and other high-speed, high-sound-quality multi-channel signals from such sources as DVD-Audio and Super Audio CD.
Audyssey Dynamic EQ Loudness Correction Technology and Speaker Configuration
Dynamic EQ corrects frequency responses at any volume level while considering such aspects as the measured characteristics of the room, volume of the source, and the characteristics of human ears. Even when the volume is turned down, it is possible not to sense weakness in sound or insufficient dynamism.
The new tower type microphone is used to measure the characteristics of the speakers and the listening room. The data is analyzed by a high-performance DSP, and the Auto Set-up function automatically makes initial settings for the speakers. The newly improved MultEQ XT technology then processes acoustic data obtained from up to 8 listening positions, and the Room EQ (Equalizer) function corrects the frequency response to achieve the optimum listening environment for the room.
By measuring multiple listening positions, up to a maximum of 8, frequency response for the overall listening area is automatically corrected. During Auto Set-up, minute corrections are made in each speaker by an FIR filter which in theory has no phase variation. There are three correction patterns: Audyssey, Audyssey Byp. L/R, and Audyssey Flat. Manual setting is also possible using a 9-band graphic equalizer. During manual setting, it is possible to make settings while listening to your favorite music. Since 4 correction patterns including manual setting can be assigned to each surround mode, corrections for the overall listening area can easily be set for each source.
Audyssey: Corrects the frequency responses of all speakers to optimum levels.
Audyssey Bypass L/R: Corrects the frequency responses of all speakers except the front L/R speakers.
Audyssey Flat: Corrects frequency responses so that they are all uniform.
Manual: Manually adjusted frequency responses are applied.
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