Audio-Technica AT-HA5050H Hybrid Headphone Amplifier

Audio-Technica AT-HA5050H is a hybrid Hi-Res Audio headphone amplifier ? hybrid because it employs a pair of tubes at the preamp stage and transistors at the power amp stage. Having tubes in the preamp adds warmth and depth to the music, while the bipolar transistors provide distortion-free Class A amplification that is powerful enough to drive headphones of varying impedances without any problem. To further optimize power supply in the amplifier, each part of the amplifier is fed by individual power supply units with fast recovery diodes and regulating circuitry.

The Audio-Technica AT-HA5050H is equipped with two analog inputs (L/R RCA line jacks and L/R balanced XLR jacks) and two digital inputs (S/PDIF digital coaxial input and USB input with selectable Asynchronous and Adaptive modes). The state-of-the-art DAC is optimized to be compatible with digital audio formats up to PCM 32-bit/384 kHz and DSD128. Additional features include classic analog VU meters with VU range selector switch, large volume control knob, and an input attenuator switch.

Features

Two E88CC vacuum tubes are used in the preamp stage to achieve the warm, mellow sound you can only get from tubes
A pair of Toshiba bipolar power transistors provide strong, driving power and high-quality sound
Sifam VU meters provide precise metering with a classic feel that matches the warm, analog tone from the tubes
Custom-made R-Core transformer counters spikes and instability in the power line, providing consistent, high-resolution amplifier performance with distinctive hybrid sonic characteristics
Lundahl transformers, Nichicon electrolytic capacitors and WIMA polyester capacitors are used to provide the best sound quality possible
Eight headphone jacks with choice of four different output impedances (0.1, 33, 82 and 120 ohms x 2) give you control of the sonic presentation without the extra noise that might be introduced by an impedance selector switch
Two analog (unbalanced RCA and balanced XLR) and two digital (USB and SPDIF digital coaxial) inputs allow the amplifier to be used with a wide range of equipment
Includes power cable

Specifications

SYSTEM REQUIREMENTS	Computer with a USB 2.0 port
CPU	Intel Core2 CPU 2.2 GHz or equivalent
RAM	32-bit OS 2 GB or more, 64-bit OS 4 GB or more
COMPATIBLE OS	Windows 7, Windows 8, Windows 8.1, Mac OS X10.9
TYPE	Preamplifier stage: vacuum circuit Power amplifier stage: Class A bipolar transistor amplifier
CORRESPONDING HEADPHONE IMPEDANCE	16 – 600 ohms
DIMENSIONS (EXCLUDING PROTRUSIONS)	100 mm (3.9″) H × 332 mm (13.1″) W × 327 mm (12.9″) D
WEIGHT (BODY ONLY)	1.0 kg (24.3 lbs.)
ACCESSORIES	AC adapter

Delivery Info

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7% Goods Service Tax (GST) will be imposed over the total invoice value if purchased locally in Singapore. However if you are a tourist visiting Singapore, this GST amount can be refunded at the Changi International Airport Departure Hall GST Refund Centre before departure with goods within 60 days from the date of purchase. Please note that only Tourists who have met the Tourist Refund Scheme’s conditions and eligibility criteria can claim for the GST refund. Visit the following link for GST Guide for Visitors on Tourist Refund Scheme. https://www.iras.gov.sg/IRASHome/GST/Consumers/Tourist-Refund-Scheme

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