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DAC Headphone Amplifier & Preamplifier
S3
User Manual
High-performance DAC-ESS ES9026PRO
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www.KecesAudioUSA.com
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WARNING
Get Started
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! Installation and service should be performed only by qualified and experienced
technicians and comply with all local codes and rules to maintain your warranty.!
! To reduce the risk of fire or electric shock, do not expose the product to rain or
moisture.
! Wipe the case with a dry soft cloth. For tough stains, slightly apply with diluted
neutral detergent and wipe with a dry soft cloth.
! Do not apply benzene or thinner to the case, which may cause the surface of unit to be
melted or fogged.
! Avoid operating or storing the unit in the following locations:
! Extremely humid, dusty, or hot/cold environments (recommended operating
temperature: 0°C to +40°C)Close to sources of powerful radio or TV transmitters.
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This user manual is designed as a reference for the installation and manipulations of the unit
including the product’s features, functions. Please read this manual thoroughly and save it for
future use before attempting to connect or operate the unit. The reader is supposed to be able
to get the following information in this manual.
! Product Overview: the main functions and system requirements of the unit.
! Installation and Connection: instructions on unit installation and wire connections.
! Administration and Configuration: the main menu navigation and controls
explanations.
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FCC Compliance Statement!
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Information to the user: This unit has been tested and found to comply with the limits for
FCC Rules. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This unit generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
manual, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation.
If this unit does cause harmful interference to radio or television reception, which can be
determined by turning the unit off and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
l Reorient or relocate the receiving antenna.
l Increase the separation between the unit and receiver.
l Connect the unit to an outlet on a circuit different from that to which the receiver is connected.
l Consult the dealer or an experienced radio/TV technician for help.
Caution
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the unit.
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Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation. The
manufacturer declares that the unit supplied with this guide is compliant with the essential
protection requirements of EMC (2014/30/EU) Directive and General Product Safety
(2014/35/EU) Directive.
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CE Statement
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! S3!User!Manual!
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1. KECES S3 2. DC Power Cable
3.!Remote control 4. Warranty card
5. User manual
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1. Bal: 4 pin headphone jack.
2. Unbal: 6.3mm headphone jack.
3. Pre Out / Phones: Select Preamplifier out or Headphone Amplifier out.
4. OLED Screen: Display all information.
5. Gain-high / Gain-low: Select gain high/low when in headphone amplifier out status.
6. Source / Volume: Press this button to select the input source. whirl to contral volume.
*Turn On S3: When open the power in rear panel on AC inlet also need to press
Source / Volume button to turn on S3.
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Pack Contents
INTERFACE
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1. High Quality Toroidal Power Transformer.
2. High-performance DAC-ESS ES9026PRO.
3. USB DAC: PCM 32 bit/384kHz and DSD DSD64(DoP)/DSD128 (DoP)
DSD64/DSD128/DSD256 (ASIO Native)。
4. COAXIAL/OPTICAL DAC: PCM 24 bit/192kHz and DSD DSD64(DoP)。
5. Placed Balanced/Unbalanced Headphone output: Max Output Power 2000mW +
2000mW@32ohms.
6. Placed RCA/XLR Input/Output interface: Could be a Preamplifier.
7. Volume Control System: 128 step attenuator. Accurate control volume to achieve
left/right channel balanced.
8. Isolation circuit: Completely separates the grounding of the digital and analog sections.
9. Volume/Source/Sampling display using OLED has excellent visibility.
10. The 4mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference.
11. The full-metal body realizes both vibration control and elegant style in an A4-size body
that enables placement on a desktop to be a PC HIFI system or to be a small stereo
system.
Digital Input:
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COAXIAL: PCM support up to 16-24Bit /44.1kHz、48kHz、88.2kHz、96kHz、176.4kHz
/192kHz. DSD support up to DSD64 (DoP).
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OPTICAL: PCM support up to 16-24Bit/44.1kHz、48kHz、88.2kHz、96kHz、176.4kHz
/192kHz. DSD support up to DSD64 (DoP).
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USB: PCM support up to 16-32Bit/44.1kHz、48kHz、88.2kHz、96kHz、176.4kHz、192kHz、
352.8kHz、384kHz. DSD support up to DSD64(DoP)/DSD128 (DoP)
DSD64/DSD128/DSD256 (ASIO Native)
Tech nical Sp ecifications
Feature
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Analog Input:
! XLR: Input Impedance: 47k Ω.
Max Input Level: 10Vrms.
Input/Output Gain: 0dB
! RCA: Input Impedance: 47k Ω.
Max Input Level: 5Vrms.
Input/Output Gain: 0dB!
Analog Output:
! XLR: SNR: ＞-122dB 20Hz-20kHz A-Weighting.
THD+N: ＜0.0004% at 1kHz A-Weighting.
Frequency Response: 20Hz-20kHz(+0dB/-0.09dB).
Channel Crosstalk: ＞-124dB@1kHz.
XLR output: 0-4Vrms Adjustable at 0dBFS.
! RCA: SNR: ＞-119dB 20Hz-20kHz A-Weighting.
THD+N: ＜0.0007% at 1kHz A-Weighting.
Frequency Response: 20Hz-20kHz (+0dB/-0.03dB).
Channel Crosstalk: ＞-122dB@1kHz.
RCA output: 0-2Vrms Adjustable at 0dBFS.
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Headphone Output:
! XLR_4PIN: SNR: ＞-120db 20Hz-20kHz A-Weighting.
THD+N: ＜0.00115% at 1kHz A-Weighting at 300ohms 100mW.
Frequency Response: 20Hz-20kHz (+0dB/-0.09dB).
Output Impedance: 0.6ohms.
Output Power: 2000mW at 32ohms at THD+N=0.1%.
1200mW at 300ohms at THD+N=0.1%.
650mW at 600ohms at THD+N=0.1%.
! 6.35mm: SNR: ＞-108db 20Hz-20kHz A-Weighting.
THD+N: ＜0.0015% at 1kHz A-Weighting at 300ohms 100mW.
Frequency Response: 20Hz-20kHz (+0dB/-0.09dB).
Output Impedance: 0.6ohms.
Output Power: 1200mW at 32ohms at THD+N=0.1%.
350mW at 300ohms at THD+N=0.1%.
175mW at 600ohms at THD+N=0.1%.
Tech nical Sp ecifications
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S3
使用手冊
擁有一顆強大的解碼心臟-ESS ES9026PRO
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www.KecesAudioUSA.com
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