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Digital to Analog Audio Converter
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PT-C-DAC

Digital to Analog Audio Converter

The PureTools Digital to Analog Audio Converter is a device designed to convert digital audio signals from either coaxial (S/PDIF) or optical (Toslink) sources to uncompressed two-channel analogue audio outputs via RCA …

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Chapter 1 of 8

Product Introduction

Thanks for choosing the PT-C-DAC Digital to Analog Audio Converter, which is designed to convert digital S/PDIF (coaxial or Toslink) audio inputs to analog stereo audio (L/R RCA and 3.5mm) outputs.. Simultaneously, the converter provides a coaxial S/PDIF output for digital audio extension.

Chapter 2 of 8

Features

  • Converts digital S/PDIF (coaxial or Toslink) audio inputs to analog stereo (L/R RCA and 3.5mm) audio outputs.
  • Coaxial S/PDIF output for digital audio extension.
  • Input support up to 24-bit/192 KHz (PCM, Dolby Digital are DTS formats are passed through via coax S/PDIF).
  • Provides Micro-USB port for power cable connection.
  • Easy to install and simple to operate.
  • Compatible with coaxial or Toslink interface digital audio devices such as CD, DVD, BluRay, Playstation, XBox, computer, A/V receiver, etc.
  • Ideal for interfacing between modern digital audio/video devices with analog amplifiers or active, self-powered speakers.
Chapter 3 of 8

Packing List

  • 1x PT-C-DAC Digital to Analog Audio Converter
  • 1x Power Cord (USB-A to Micro-USB)
  • 1x User Manual

Note: Please contact your distributor immediately if any damage or defect in the components is found.

Chapter 4 of 8

Panel Description

① Power LED: The LED illuminates blue when power is applied.

  • ② TOSLINK IN: Digital Toslink audio input.
  • ③ COAX IN: Digital coaxial audio input.
  • ④ 3.5mm OUT: Analog stereo audio output.
  • ⑤ RCA OUT: Analog stereo audio output.
  • ⑥ COAX OUT: Digital coaxial audio output (pass-through).
  • ⑦ DC 5V: Micro-USB port for power cable connection.

Note: When both digital inputs, Toslink and coaxial are connected to audio source devices, the coaxial audio source device will automatically be selected as input source.

Chapter 5 of 8

System Connection

The following diagram illustrates the typical input and output connection of the converter:

DC 5V
L ROUT COAX OUTCOAX INTOSLINK IN

# 1 2 3 4 5 6 7

  • Speaker
  • Game Console
  • Blu-Ray
  • Headset
  • Digital Audio:
  • Analog Audio:
Chapter 6 of 8

Technical Specification

Audio Input
Audio Input(1) S/PDIF Toslink, (1) S/PDIF Coax
Audio FormatLPCM 2CH, Dolby Digital 2/5.1 CH, DTS 2/5.1CH (Only PCM supports format conversion)
Sample Rate32, 44.1, 48, 96, 192KHz, up to 24bit
Analog Audio Output
Audio Output(1) Stereo Audio (3.5mm), (1) Stereo Audio (RCA)
Audio FormatPCM
Frequency Response20Hz – 20KHz, ±3dB
Max Output Level2.0Vrms ± 0.5dB. 2V = 16dB headroom above -10dBV (316mV) nominal consumer line level signal
THD+N< 0.05% (-80dB), 20Hz – 20KHz bandwidth, 1KHz sine at 0dBFS level (or max level)
SNR> 80dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation< -80dB, 10KHz sine at 0dBFS level (or max level before clipping)
L-R Level Deviation< 0.3dB, 1KHz sine at 0dBFS level (or max level before clipping)
Output Load Capability1KΩ and higher (Supports 10x paralleled 10KΩ loads)
Background Noise-80dB
Digital Audio Output
Audio Output(1) Digital Coaxial S/PDIF
Audio FormatLPCM 2CH, Dolby Digital 2/5.1 CH, DTS 2/5.1CH (Only PCM supports format conversion)
Output Level±0.05dBFS
Frequency Response20Hz – 20KHz, ±3dB
THD+N< 0.05% (-80dB), 20Hz – 20KHz bandwidth, 1KHz sine at 0dBFS level (or max level)
SNR> 90dB, 20Hz-20 kHz bandwidth
Crosstalk Isolation< -80dB, 10KHz sine at 0dBFS level (or max level before clipping)
L-R Level Deviation< 0.3dB, 1KHz sine at 0dBFS level (or max level before clipping)
Noise Level-90dB
General
Operation Temperature-5~ +55℃
Storage Temperature-25 ~ +70℃
Relative Humidity10%-90%
Power SupplyInput:100V~240V AC; Output: 5V DC 1A
Power Consumption1.3W (Max)
Dimension (W*H*D)66.0mm x 22.5mm x 66.0mm
Net Weight50g
Chapter 7 of 8

After-Sales Service

If problems appear when using the product, please deal with the problems referring to this user manual. During the warranty period, any transport costs are borne by the customer.

  1. Product Limited Warranty: The product will be free from defects in materials and workmanship for two years (The purchase invoice shall prevail). Proof of purchase in the form of a bill of sale or receipted invoice which is evidence that the unit is within the Warranty period must be presented to obtain warranty service.
  2. What the warranty does not cover (servicing available for a fee):
  3. Technical Support: For any questions or problems, contact your distributor or reseller and tell them the respective product name and version, the detailed failure situation as well as the formation of the cases.
  • Warranty expiration.
  • Factory applied serial number has been altered or removed from the product.
  • Damage, deterioration or malfunction caused by:
  • Normal wear and tear.
  • Use of supplies or parts not meeting our specifications.
  • No certificate or invoice as the proof of warranty.
  • The product model shown on the warranty card does not match with the model of the product for repairing or had been altered.
  • Damage caused by force majeure.
  • Servicing not authorized by distributor.
  • Any other causes which does not relate to a product defect.
  • Delivery, installation or labor charges for installation or setup of the product.

Asking for Assistance

Technical Support:

Phone: +49 5971 800299 - 0
Fax: +49 5971 800299 - 99

Technical Support Hours:

8:30 AM to 5:00 PM Monday thru Thursday
8:30 AM to 4:00 PM Friday

Write to:

PureLink GmbH
Von-Liebig-Straße 10
D - 48432 Rheine
www.purelink.de
info@purelink.de

Safety Precautions

  • Unpack the equipment carefully and save the original box and packing material for possible future shipment.
  • Follow basic safety precautions to reduce the risk of fire, electrical shock and injury to persons.
  • Do not dismantle the housing or modify the module. It may result in electrical shock or burn.
  • Using supplies or parts not meeting the products’ specifications may cause damage, deterioration or malfunction.
  • Refer all servicing to qualified service personnel.
  • To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this product near water.
  • Do not put any heavy items on the extension cable in case of protrusion.
  • Do not remove the housing of the device as opening or removing the housing may expose you to dangerous voltage or other hazards.
  • Install the device in a place with sufficient ventilation to avoid damage caused by overheat.
  • Keep the module away from liquids.
  • Spillage into the housing may result in fire, electrical shock, or equipment damage. If an object or liquid falls or spills on to the housing, unplug the module immediately.
  • Do not twist or pull by force ends of the optical cable. It can cause malfunction.
  • Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning.
  • Unplug the power cord when left unused for a long period of time.
  • Information on disposal for scrapped devices: do not burn or mix with general household waste, please treat them as normal electrical wastes.
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