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Sony TA-ZH1ES Desktop Headphone Amplifier & USB DAC

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Sony TA-ZH1ES Desktop Headphone Amplifier & USB DAC

  • Superior digital amplification - S-Master technology maintains the purity of dynamic, straight digital sound

  • D.A. Hybrid Amplifier Circuit enhances its precision and sound quality with an analog feed-forward amp

  • DSEE HX™ upscaling technology features four additional modes to the standard for optimal sound reproduction

  • Advanced FPGA processing for uncompromised music reproduction

  • New DSD Remastering Engine let you convert all PCM music sources into DSD 11.2 MHz using FPGA

  • DC Phase Linearizer works to effectively replicate a wide variety of sonic signatures

  • Variety of headphone output connections, including both balanced (4.4mm, 2 x 3.5mm & XLR) and unbalanced (3.5mm, 6.35mm).

  • Variety of digital inputs including USB, TOSLINK, coaxial & analog line-in



Signature Series

D.A. Hybrid Amplifier Circuit: a revolution in sound amplification
Our non-feedback S-Master technology maintains the purity of digital sound. Our new D.A. Hybrid Amplifier Circuit takes this one step further, enhancing its precision and sound quality with an analog feed-forward amp. The analog amplifier corrects the conversion error caused by switching amplification.

Distortion Reduction - Pushing digital limitations
To achieve ultimate sound reproduction, S-Master HX digitally amplifies the music signal without any resulting transmission loss. However, at the final stage of amplification, the physical limits of the semiconductor unavoidably cause distortion: there has to be a trade-off between the high power and high speed response. We have developed the D.A. Hybrid Amplifier Circuit to overcome these physical limits.

Why distortion happens - The signal response challenge
Unlike in-ear headphones, some high-impedance overhead headphones require a large amplitude signal. But the switching speed of MOS FET at the final stage of digital amplification is too slow to follow the ideal signal, shown in blue (1). The actual signal MOS FET can output - because of the restriction caused by the physical limit of the semiconductor - is shown in orange (2). For a non-feedback amplifier such as S-Master HX on the TA-ZH1ES, the difference between ideal and actual signal, shown in grey (3), means amplification error. Our D.A. Hybrid Amplifier Circuit’s feed forward system corrects this error, preserving the unique sound character of non-feedback S-Master HX.

Error Correction - Achieving the ideal wave form
The analog amplifier compares the true signal with the digital amplifier output signal, identifying the error caused by the slow MOS FET switching speed. Then it produces an error correction signal to restore the headphone output signal, preserving the purity of the original sound, and reproducing the signal with absolute precision.

Preserving the feeling - Capturing every note and nuance with DSEE HXTM
Experience your music as the artist intended, in near High-Resolution Audio quality. Our new DSEE HX™ upscaling technology features four additional modes to the standard: female vocal, male vocal, percussion and strings, for optimal sound reproduction

Convert any source to DSD - 
Personalizing sound with the new DSD Remastering Engine
Offering double the conversion accuracy of previous models, the new DSD Remastering Engine let you convert all PCM music sources into DSD 11.2 MHz. The technology uses FPGA (Field Programmable Gate Array) to convert any signal into the DSD sound format.

Advanced FPGA processing - 
Uncompromised music reproduction
To maximize the potential of the new D.A. Hybrid Amplifier Circuit, our engineers developed the amplifier using an advanced FPGA processor. This let them fully customize the technology and develop something truly unique.

DC Phase Linearizer - 
Familiar analog-like sound
Our DC Phase Linearizer works to effectively replicate the phase character of a typical analog amplifier. It matches the phase characteristics of the analog amplifier to deliver a more analog-like sound.

Ideal sound isolation
The TA-ZH1ES features a rigid FBW Chassis, which has been designed to isolate the circuit board from vibration. By minimizing vibration and preventing lateral movement, noise is reduced for a cleaner, purer sound.

Eliminating resonance
The headphone amplifier's top panel is made from a combination of steel and aluminum. These materials each have their own resonance frequency, and when used in combination, they suppress each other. The result is the effective elimination of unnecessary resonance.

Rigid and durable
The TA-ZH1ES features an innovative chassis design. The structure of the baseplate supporting the FBW chassis has two layers for enhanced rigidity and a low center of gravity. This added protection and durability enhances sound quality.

Technical Specifications

Additional Information

Package Contents Sony TA-ZH1ES, Remote control, AC power cord (mains lead), Digital cable for Walkman®, USB cable (USB-A/USB-B), R03 (size AAA) batteries
Colour Black
Warranty 1 year (local)
Product Weight (g) 4500
Country of Manufacture Japan
Availability Discontinued
Product Type Amplifier (Headphone), Amplifier (Preamplifier), DAC (Digital-Analog Converter)
Style/Type Desktop
Features DSD, High-Res Audio Certified, Line-in, Optical Input
Sampling / Bitrate 32-bit / 768kHz, DSD 11.2MHz
Frequency Response (Hz) 4 Hz-200 kHz
Output Power Balanced: 1,200 mW + 1,200 mW (32 ohms 1 kHz 1%) Unbalanced: 300 mW + 300 mW (32 ohms 1 kHz 1%)
Input Connectivity Coaxial, Optical, RCA, USB
Output Connectivity 3.5mm Stereo, 6.35mm Stereo, 4.4mm Balanced / 5-Pole, XLR Balanced
Additional Tech Specs OTHER INPUT/OUTPUT: Walkman®/Xperia™ Input USB-B Input COAXIAL Input
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