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TEAC AI-501DA Integrated Amp with USB Streaming

TEAC AI-501DA Integrated Amp with USB Streaming
TEAC AI-501DA Integrated Amp with USB Streaming TEAC AI-501DA Integrated Amp with USB Streaming TEAC AI-501DA Integrated Amp with USB Streaming TEAC AI-501DA Integrated Amp with USB Streaming TEAC AI-501DA Integrated Amp with USB Streaming TEAC AI-501DA Integrated Amp with USB Streaming
Brand: TEAC
Price: $849.99
$150 mail-in rebate thru 3/31/15 !

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Integrated Class-D Amplifier by ABLETEC, Norway: Achieves High-Quality Sound, High Output Power, and Low Power Consumption.
  After months of technical reseach for an amp with high-quality sound and high output power, but low power consumption, the ALC0180 Digital Power Amplifier module, manufactured by ABLETEC, Norway, was decided on to compliment the AI-501DA. Delivering a maximum of 90W + 90W of output power at a maximum 55W of power consumption, users are able to enjoy powerful sound without hesitation. Furthermore this next generation integrated amplifier consumes only 10W in idling mode, and 0.2W at power-saving standby mode.
Fully Digital Path via USB Cable allows 192kHz High-Res Audio Playback
  Just connecting a USB cable between any Mac/Windows-PC and the AI-501DA, a variety of audio formats can be transferred in a fully digital manner. Once the driver software is installed, your playlist iTunes or Windows Media Player turns into part of your high-quality audio system. This allows 24bit/192kHz data transfer mode reduces jitter noise while the digital data travels along the USB cable.
BurrBrown PCM5102 D/A Converter for a Variety of Digital Sources
  The AI-501DA employs the highly celebrated BurrBrown PCM5102, allowing 32bit processing across the USB audio input, Optical and Coaxial digital inputs. Parts were carefully selected for the analog circuits. The unit utilizes high-quality operational-amplifiers and electrolytic capacitors already proven on previous hig-end models.
Large Capacity Toroidal-Core Power Transformer
  An over-sized Troidal-core power transformer helps deliver high-quality sound without sacrificing energy-efficiency and the unit's compact dimentions. 
Conventional diodes produce rectification noise that negatively affects the sound of other units. To combat this, TEAC installed Schottky Barrier Diodes to supply a cleaner internal current and reduce rectification noise.
High-Quality Headphone Output Processed by an Exclusive Operational Amplifier on Each Channel
  The AI-501DA is also designed for headphone listening, as well as speaker listening. An exclusive operational amplifier is employed on each channel. Conventional hi-fi systems only use a single operational amplifier for both channels.
No Cooling-Fan, for Quiet Operation
  Effort to eliminate the signal to noise ratio and ensure high-quality audio playback mean nothing with a noisy cooling fan. To reach both goals of attaining high performance and compact dimentions, TEAC carefully arranged the inner-workings to eliminate the need of a fan. There are two parameters that conflict with efficient heat dissipation, the circuit design and chassis design. After careful strategy, effective placement of potential heat-generating components allows this high-performance compact amplifier to operate without a cooling fan.
A Full-Metal Construction and Small Footprint for Any Desktop Set-up
Not only the front panel, both side and top panels are made of aluminum and attached to a robust steel chassis. These heavy parts eliminate vibrations, and allow all internal circuits to always perform under stable conditions. An A4-size body allows users to place the unit in small spaces. The AI-501DA defines a new standard that fits all modern interior with great space-saving design and a timeless presence.
Large Number Input/Output Allow Users to Integrate Full-Scale Hi-Fi System
The AI-501DA provides sufficient number of audio inputs allowing users to integrate full-scale hi-fi systems with both exsing and future expantions. The device is equipped with two optical inputs and one coaxial input, along with two analog (two stereo) audio inputs. A set of large biding-post speaker terminals accommodates high-grade speaker cables up to AWG8 grade. A detachable AC cable with a 3-polar socket allows user to upgrade to a high-grade AC cable.。
Well-Designed User Interface
  A firm-torqued volume with a machined aluminum knob, and toggle type main power switch give the user assured operation. The remote control with aluminum facia gives the unit an elegant appearance and very precisive volume control, paces of approximately 1.5dB. To help contribute to the musical atmosphere is the classiest characteistic of the AI-501DA, the dimmable backlight, and dual analog meters.
  • ALC0180 Class-D Power Amplifier by ABLETEC, Norway
  • 90W/ch of output power (at 4 ohms impedance)
  • Supports up to 24bit/192kHz USB Audio input
  • Supports up to 24bit/192kHz Coaxial S/PDIF digital audio input
  • Supports up to 24bit/96kHz Optical S/PDIF digital audio input
  • Internal 32bit processing on the BurrBrown PCM5102 D/A Converter
  • Toroidal-core Power Transformer
  • Schottky Barrier diodes for power supply circuits
  • Full-metal body
  • Dual analog level meters with dimmable backlight
  • Headphone amplifier that employs two operational amplifiers
  • 1 USB Audio input
  • 2 Optical S/PIDF digital inputs
  • 1 Coaxial S/PDIF digital input
  • 2 RCA analog line inputs
  • Screw-type speaker terminals (AWG8 compatible)
  • Headphone out
  • Aluminum-weighted volume knob
  • Remote control
  • 3-polar AC socket with a detachable AC cable


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Maximum Output Power

90W + 90W (4ohms, 20-20kHz) / 45W + 45W (8 ohms, 20-20kHz)/td>

Rated Output Power

60W + 60W (4ohms, 20-20kHz) / 30W + 30W (8 ohms, 20-20kHz)

Supported Impedance

4 – 8ohms

Total harmonic distortion

0.05% (1 kHz, 4ohms, 55W)

S/N ratio (input short)



100dB (IHF-A)

Frequency range

10Hz – 60kHz (−3dB)

Digital audio inputs



RCA jack x 1 (0.5Vp-p/75ohm)

Sampling frequency

32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

bit rates



Optical digital connectors x 2 (−24.0 to −14.5dBm peak)

Sampling frequency

32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kH

bit rates



Type B connector x 1 (USB 2.0 compliant)

Sampling frequency

32 kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

bit rates


Analog audio inputs



RCA jacks x 2pairs

Nominal input level


Maximum input level


Headphones output



Standard 6.3mm stereo jack

Maximum output level

50mW + 50mW or more (32 ohm, THD+N 0.1%)

Power supply

AC120V, 60Hz

Power Consumption


Overall Dimensions

290(W) x 81.2(H) x 264(D) mm,
11.4"(W) x 3.2"(H) x 10.4"(D)

Net Weight


Operating Temerature

+5˚C to +35˚C

Operating humidity range

5% to 85% (no condensation)

Storage Temerature:

-20˚C to +55˚C


AC Cable, AC Plug Adapter (3P-2P), Remote Control, AAA Batteries (x2), Owner's Manual, Warranty Card


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