The 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 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.
Audio-Technica AT-HA5050H
ATENTIE: Produsul Amplificator casti Audio-Technica AT-HA5050H nu mai este disponibil la AVstore.ro.
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DESCRIERE
The 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 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.
SPECIFICATII TEHNICE
Specificatii tehnice pentru Amplificator casti Audio-Technica AT-HA5050H
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
Maximum Output Level: 2,000 mW + 2,000 mW (16 ohms load)
1,000 mW + 1,000 mW (32 ohms load)
500 mW + 500 mW (64 ohms load)
62 mW + 62 mW (600 ohms load)
Rated Output (20 Hz – 20 kHz): 125 mW + 125 mW (16 ohms load)
62 mW + 62 mW (32 ohms load)
31 mW + 31 mW (64 ohms load)
3.3 mW + 3.3 mW (600 ohms load)
Frequency Response (Line Input): 5 Hz – 200 kHz (0, -1 dB at 32 ohms 10 mW output)
Frequency Response (XLR Input): 5 Hz – 200 kHz (+0.5, -2 dB at 32 ohms 10 mW output)
Total Harmonic Distortion: <=0.08% (20 Hz - 20 kHz at 32 ohms 10 mW output)
Gain: 14 dB (line input); 13.5 dB (XLR input)
Signal-to-noise Ratio 104 dB (A-weighted)
Separation Between Channels: 70 dB (1 kHz at 32 ohms)
Input Connector: Analog: Line input (RCA) x 2; XLR connector x 2
Digital:
USB (Type B):
Asynchronous mode:
DSD128 (5.6448 MHz), DSD64 (2.8224 MHz): 24 – 32 bit
PCM 384 kHz, 352.8 kHz, 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 – 32 bit
Adaptive mode:
DSD incompatible
PCM 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 – 32 bit
Digital coaxial (S/PDIF) x 1
PCM 192 kHz, 176.4 kHz, 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz: 16 – 24 bit
Output Connector: 6.3 mm (1/4") standard stereo jack (output impedance 0.1 ohms) × 2
6.3 mm (1/4") standard stereo jack (output impedance 33 ohms) × 2
6.3 mm (1/4") standard stereo jack (output impedance 82 ohms) × 2
6.3 mm (1/4") standard stereo jack (output impedance 120 ohms) × 2
DA Convertor: Frequency response: 5 Hz – 100 kHz (0, -1.5 dB)
Total harmonic distortion: <=0.0006% (20 Hz - 20 kHz)
Signal-to-noise ratio: 113 dB (A-weighted, 1 Vrms output)
Separation between channels: 110 dB (20 Hz - 20 kHz)
Input Attenuator: -12 dB
VU Meter: Range 0 dB, -10 dB, -20 dB, -30 dB
Power Supply 100 – 120V AC or 220 – 240V AC, 50/60Hz
Power Consumption: 53 W (max)
Dimensions (excluding protrusions): 100 mm (3.9") H × 332 mm (13.1") W × 327 mm (12.9") D
Weight: 11.0 kg (24.3 lbs.)
Accessories Included: Power cable
REVIEW-URI PENTRU Amplificator casti Audio-Technica AT-HA5050H
Momentan produsul Amplificator casti Audio-Technica AT-HA5050H nu are nici un comentariu din partea utilizatorilor. Fii tu primul care adauga un comentariu.
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