Advanced circuit design helps the Denon PMA-A110 produce pristine sound with your digital and analog sources.
The Denon PMA-A110 commemorates the company's 110th anniversary with strikingly simple looks and high-end build quality. It provides 80 watts of good, clean power, and it's 4-ohm stable so it can drive a wide range of demanding speakers.
Denon spent hours tuning their special 110th anniversary components to rigorous standards, resulting in enhanced musical fidelity. Plus, these special-edition components are backed by a 5-year warranty.
This amp is designed to do full justice to high-resolution music files. There are three optical inputs and one coaxial input for connecting digital source components. These inputs accept signals up to 24-bit/192 kHz resolution, and they're auto-sensing, so they turn on the amp as soon as they receive a signal from a connected source. The internal DAC (digital-to-analog converter) consists of four separate Burr Brown chips working together to render digital signals with accurate, musical detail.
The Type-B USB input on the back of the amp is compatible with streams and files up to 32-bit/384 kHz resolution. Ultra AL32 Processing upsamples digital signals for smooth, accurate sound.
An internal digital isolator circuit keeps digital and analog circuitry separate, and you can completely disable the amp's digital circuits in Analog Mode so they don't interfere with your analog listening experience. There are four stereo RCA inputs on the back panel, including a dedicated phono input for turntables with moving magnet and moving coil cartridges.
There are some nice additional touches, like a preamp input and separate audio outputs for recording. For times when you need to listen privately, there's a front-panel 1/4-inch headphone jack.
Much of what makes this amp special is out of sight inside the chassis. Internal construction begins with six separate blocks, isolating circuits to eliminate interference. An Advanced Ultra High Current single push-pull circuit provides efficient high-current power, and a DAC master clock eliminates digital jitter that can smear the subtle details in your favorite tunes.
Denon Anniversary Edition PMA-A110 owner's manual
7th Generation Advanced Ultra High Current MOS Single Push-Pull Circuit: The Denon PMA-A110 features a new generation of Advanced UHC (Ultra High Current)-MOS Single Push-Pull circuit design, which combines with a differential 2-stage amplifier circuit to drive almost any speaker configuration with improved sound quality. To achieve impeccable balance between delicate details of music reproduction and vigor of low frequency sound, the PMA-A110 is capable of delivering a massive current output in a single push-pull configuration to drive even the most demanding speaker and ensure superior linearity in the output stage. Denon engineers carefully constructed the amplifier circuit within the PMA-A110 to secure a frequency response of up to 100kHz during applied use. The volume circuit suppresses noise in the amplifier, achieving high sonic resolution. The PMA-A110 handles a wide, dynamic range of Hi-Res audio sources with tone control and power throughout.
High Precision Electrical Controls: The Denon PMA-A110 embraces electrical volume, balance and tone controls while preserving the analog feeling of operation. Clever engineering offers the feel of an analogue volume knob while an MCU measures the position of the knob and converts that position to control the master volume digitally. This unique mechanism offers a smoother, more linear control of the master volume by adjusting the curve of the analogue volume control in the digital world. The same configuration is also used for Balance and Tone controls.
Robust Power Supply Circuitry: The PMA-A110 is equipped with two transformers that have been mounted facing opposite directions in a leakage cancelling (LC) mount system to cancel mutual influences of magnetic flux, a source of noise, leaking from the transformers. Denonâ€™s new, custom-designed, powerful large-capacity electrolytic capacitors have been used for rectification, and low-loss, low-noise, high-speed Schottky Barrier Diodes were used in the rectifier circuitry. This ensures a sufficient supply of clean current. To achieve a simple and straight circuit configuration, the connection unit between the diode unit and the block capacitor was removed to drastically shorten the current supply line to the power amp. Extremely thick OFC wiring material was used for the power line to reduce impedance.
6-Block Chassis Configuration w/ Direct Mechanical Ground Construction: Constructed with an aluminium top panel, the PMA-A110 chassis protects the signal circuits from external vibration and eliminates adverse effects of mutual interference among the circuits. It's configured with six independent blocks that house phono equalizer and input circuitry, volume control circuitry, USB-DAC circuitry, amplification circuitry, power section and the control section. With the power section at the center, solid aluminium feet that support the weight of internal components and heat sinks on both sides, the construction is well-balanced and prevents unwanted vibration.
Quad D/A Converter: Listen to your favorite Hi-Res audio content through the Denon PMA-A110's Quad 384-kHz/32-bit DAC section with the highest resolution in audio quality. The PMA-A110's Quad D/A converter uses the Burr Brown PCM1795 chipset that operates in a quadruple configuration for optimal high-grade sound. Each channel has two PCM1795 chips working in a different mode to achieve the highest accuracy and best signal to noise ratio. The PMA-A110 supports Hi-Res audio playback up to 32-bit/384kHz PCM and 11.2-MHz DSD.
Compatible Audio Files: The Denon PMA-A110 supports the following digital audio files via its USB-B, Optical, or Coaxial inputs.
Utltra AL32 Processing: The PMA-A110 is equipped with Ultra AL32 Processing, the latest in analog waveform reproduction technology from Denon. Ultra AL32 Processing utilizes data interpolation algorithms and supports Hi-Res 32-Bit/384kHz PCM signal input. These algorithms interpolate points that should exist before and after the points in large quantities of data to achieve a smooth waveform that is close to that of the original signal. These algorithms upsample the bandwidth from the original content, smoothing out the waveform and improving sound reproduction. Ultra AL32 Processing doubles the processing bandwidth from the previous generation upsampling 384kHz content to 1.536MHz. By carefully restoring data that was lost during digital recording, the resulting playback sound is highly detailed, free of interference, accurately localized, richly expressive in the lower range, and beautifully faithful to its original sound.
Digital Isolator + Pure Mode: Combining the best of both the analog and digital world, the PMA-A110 is equipped with a high-speed digital isolator circuit between both sections to avoid any interference from the digital world in the analog domain. The PMA-A110 also features three independent power supplies to ensure complete isolation for each section and avoid any interference. When the PMA-A110 is set to Pure Analog Mode it turns off all digital circuits for the perfectly clear sound reproduction of an analogue input signal. Pure Analog Mode also turns off the fluorescent display, allowing the PMA-A110 to operate as a purely analog amp (during Pure Analog Mode, USB-B, coaxial digital, and optical digital inputs are disabled) and remove any electrical disturbances that may adversely affect your listening experience.
USB-DAC: The PMA-A110 features a USB-B input to directly connect your Windows PC or Mac computer for playback of your laptop's or desktop's Hi-Res music library. The PMA-A110 supports supports 32-bit/384kHz PCM and 11.2-MHz DSD. Crafted with exceptional quality, the DAC suppresses jitter and ensures optimal precision in D/A conversion. In addition, the DSD transmission methods support Wasapi, ASIO native playback and DSD Audio over PCM Frames (DoP). The D/A converter used in the PMA-A110 is the same 32-bit/384kHz and DSD capable premium DAC used in the DCD-A110 to deliver a clean, high-grade sound.
Optical & Coaxial Digital Inputs: The PMA-A110 is outfitted with three Optical (Toslink) digital inputs and one Coaxial (RCA) digital input that support 2ch PCM audio up to 24-bit/192kHz. Linear PCM signals (16- or 24-bit) with a sampling frequency of 32, 44.1, 48, 88.2, 96, 176.4, or 192 kHz can be input into this unit. These digital inputs help to improve sound and visual quality of your TV audio, Blu-Ray, media players and more. The Optical and Coaxial digital inputs have an auto sensing mechanism that automatically turns on the unit when an audio signal is detected from an external source like your television.
Note: The optical & coaxial digital inputs do not support Dolby Digital, DTS, DSD, or AAC.
MM/MC Phono Equalizer: The Denon PMA-A110 includes a phono input that supports both MM and MC cartridges for complete enjoyment of your entire vinyl collection. The PMA-A110 phono equalizer is a CR type that is superior sonically to the NF type phono equalizer. It is exceptionally stable in the high frequency range and is able to reproduce superior sound from a high-quality turntable.
Line-Level Inputs/Output: The Denon integrated amplifier is outfitted with three line-level, stereo RCA inputs labeled "CD", "Network/Aux", and "Recorder". Use these analog line-level inputs to connect legacy devices, such as a CD player or tape deck. Audio signals input into this unit can be output to an external recording device, using the integrated amplifiers stereo line-level RCA outputs. When recording audio from a playback device connected to this unit, audio can be recorded with the playback device still connected to the integrated amp.
External Preamp Inputs: The PMA-A110 provides external stereo preamp input terminals (with fixed gain) that can be used for connecting an external preamp and using the PMA-A110 as a power amp. This is convenient when connecting an AV amp via its pre-outs so that the listening space with the same front speakers can be used as a home theater.
Gold-Plated Binding Post Speaker Terminals: The PMA-A110â€™s binding-post speaker terminals are gold-plated to prevent corrosion over time and maintain reliable, long-term connections. These heavy-duty binding post can accommodate bare wire (up to 10AWG), pin-connectors, spade-lugs, and banana plugs (single only). You can connect a single pair of 8 or 4 ohm speakers.
Headphone Output: The Denon PMA-A110 is equipped with a front-panel 1/4" headphone jack for connecting a set of headphone so you can enjoy your music privately. Connecting a set of headphones does not turn off the amplifier's speaker outputs automatically. You will need to manually turn of the speaker output when listening to headphones.
Detachable AC Power Cord: The Denon PMA-A110 comes with a 68" detachable AC power cord to plug into a surge protector or line-conditioner (sold separately - see Accessories Tab).
Front-Panel LCD & Controls: The Denon integrated amplifier's front-panel low noise FL display indicates source and sample rate. The display does not provide song/artist/album information. The brightness of the display can be adjusted to one of 4 levels. Front-panel controls include Power On/Off, Volume Up/Down, Bass & Treble, Balance, Analog Mode, Source Direct, and MC/MM selection.
Remote Control: The included IR remote control can be used to operate not only PMA-A110 integrated amplifier, but Denon CD players and network audio players as well. The remote provides Power, Input, and Volume control for the integrated amplifier; as well as playback control for select Denon CD players and network audio players. In addition, there is a 3.5mm IR Control input and output for connecting Denon CD players and network audio players with an IR controller.
Tone Controls: The Denon PMA-A110 offers Bass, Treble, & Balance control. Bass (100Hz) and Treble (10kHz) can be adjusted from -8dB to +8dB. The Balance knob allows you to adjust the volume output from the left and right speakers. The Bass, Treble, and Balance control knobs are found on the unit's front-panel only (not on remote).
Source Direct: When Source Direct is activated, the audio signal does not pass through the tone adjustment circuitry (Bass/Treble/Balance), resulting in playback of higher sound quality.
Analog Mode: During analog audio playback, the Analog Mode can be used to turn off power to the dedicated digital power source and completely stop operation of the digital input circuitry to avoid any high frequency influence to the analog section. Analog Mode also turns off the fluorescent display, allowing the PMA-A110 to operate as a purely analog amp. During Analog Mode, USB-B, coaxial digital, and optical digital inputs are all disabled.
Auto Standby: When there is no input signal and no operation for approximately 30 minutes, this unit automatically enters Standby mode to conserve power and energy.
Protection Circuitry: This is a function to prevent damage to devices within the power supply when an abnormality such as an overload, excess voltage, or over temperature occurs for any reason.
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