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Ease of use & Customization
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Precision Matched, Remote Controllable 24-Step Attenuator
0.1% tolerance, high accuracy in volume adjustments even at low volume level. The 24-step attenuator is designed with
2 columns of relays that ensure perfect L/R stepping in volume adjustments. Furthermore, it comes with a motor that
allows user to enjoy the benefit of remote control.
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Volume Bypass Mode
For those who prefer to max out preamp volume, the volume bypass mode can bypass to power amp for direct line out
signals.
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Left/Right Calibration
L/R Volume Measurement software that allows easy calibration.
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DC Servo to reducing DC biasing:
6 Op-amps for DC servo that reduces DC biasing, which causes jitter.
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USB Audio Switch
Supports driver-free under USB Audio 1.0 on PC and USB Audio 2.0 for Mac.
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DSD Support
DSD Support for USB 2.0.
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Bit Perfect Mode
Bit-perfect mode allows the use of ASIO or similar function while doing audio playback, avoiding any sample rate
conversion being done by PC's operating system. This feature keeps audio contents of all resolutions being played as
its original sample rate without any potential quality loss during sample rate conversion.
Component Selection
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ADI AD1955: Supreme DAC with great sound stage at 115 SNR.
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WIMA FKP2: High temperature tolerance with robust performance.
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TI TPS 7A4700 and 7A3301: Excellent Low Dropout Regulator (LDO) regulators for stable power source.
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TI LME49600: Headphone amp that supports up to 600ohms with excellent dynamics.
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Op-amps:
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ADI AD827SQ: military-grade Op-Amp with ceramic packaging with higher temperature tolerance and great stability.
The ceramic packaging allows for stable temperature control and supports better THD+N.
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JRC Muse02: high-purity oxygen free copper for lossless sound reproduction and assembled with Advanced Symmetry
Die- Bonding (ASD) technology for super low cross talk.
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TI OPA2227P: This op-amp is especially good for using on DC Servo.
ASUS Essence 3
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