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The black AX-501-B Integrated Amplifier with Balanced Analog Inputs from Teac features ABLETEC's ALC0240 class-D power amplifier, which provides a maximum power output of 120W+120W and a low power consumption of 68W (at max level). When used in power saving mode, the integrated amplifier consumes 0.5W of power. The XLR balanced input terminals allow balanced connection to high-quality USB DAC equipment which helps in cancelling out external noise.
The front, 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 the user to place the unit in small spaces.
XLR Balanced Input Terminals for USB DAC Balanced Connection
The AX-501 features XLR balanced input terminals that allow balanced connection to high-quality USB DAC equipment to cancel out external noise and achieve an unadulterated transmission of audio signals from the USB DAC to the power amplifier.
Fully-Balanced Circuitry to Eliminate Unwanted Analog Circuit Noise
In addition to support for balanced connections, a fully-balanced approach for the pre-amp analog circuits supplies constant balanced signals through the entire AX-501 work-flow until they are input to the power amplifier.
CCLC System for High Linearity Headphone Output
The AX-501 features a headphone output with audio quality optimized for headphone listening. The CCLC (coupling capacitor-less circuit) system keeps the coupling free of capacitors; ensuring a stronger signal reaches the headphones to achieve accurate audio reproduction.
Large-Capacity Toroidal-Core Power Transformer
An over-sized toroidal-core power transformer helps deliver high-quality sound without sacrificing energy-efficiency and the unit's compact dimensions. Conventional diodes produce rectification noise that negatively affects the sound. To combat this, the amplifier comes with Schottky barrier diodes to supply a cleaner internal current and hence reduce rectification noise
Large Number of Inputs Allow Users to Integrate Full-Scale Hi-Fi Systems
In addition to the XLR input terminals ideally suited for USB DAC connections, the AX-501 incorporates three sets of RCA analog input terminals. The speaker terminals use large terminals compatible with both banana plugs and AWG8 speaker cables for versatile speaker connections. The AC power supply cable is detachable, with a 3-pin inlet in case users choose to upgrade to ultra-high-grade AC cables.
The amplifier features a firm-torqued machined aluminum volume knob and a toggle-type main power switch. The remote control with aluminum facia gives the unit an elegant appearance and very precise volume control in paces of approximately 0.5 dB. In addition, the amplifier features 4-step dimmable backlight (normal, dark, very dark or off) and dual analog meters. The level meters can be turned off, as well.
Careful selection and efficient placement of potential heat-generating components during circuit and chassis combine to create a compact design that doesn't require cooling fans.
In the Box
Teac AX-501-B Integrated Amplifier with Balanced Analog Inputs (Black)