Description
1794 Dual Core Parallel PCM1794 DAC Decoder 192KHz 24Bit Coaxial Optical Input (Upgraded Version)
Description:
It is the latest version, with voltage regulator upgraded to 3pcs LT1963 high-end regulators.
Version Comparison:
- Standard Version: Op amp with 3pcs TL072.
- Upgraded Version: Op amp with 3pcs American OPA1612 high precision operational amplifiers.
Advantages:
- Core PCM1794 decoding. Details, dynamics and sound field are very good
- Coaxial and optical input adopt WM8805 demodulation, which is a higher grade than the common CS8416 on the market, with low time base jitter and good compatibility, no popping, and easy transmission of 192K 24BIT data
- Using low-distortion op amp OPA1612 low-pass, the effect is better than that of OPA2604. The sound is transparent and delicate, natural and bright. With gold-plated IC socket, you can freely replace and upgrade the op amp
- Using resistor-capacitor matching components and linear voltage regulator integration, make the circuit performance fully play. With components for WIMA, capacitors for ELNA, high-quality chip resistors for TDK and the like
- Aluminum alloy case with laser lettering is fashionable and durable
- Excellent performance with cheap price
Features:
- PCM1794A dual cores are connected in parallel. 192KHz, 24Bit
- 2pcs PCM1794A, each piece is responsible for one sound channel, which greatly improves sound density and separation, the sense of air and sound field is improved!
- LT1963 voltage regulator, large current, high precision and low internal resistance. The noise is as low as 20UV, which is an ultra-low ripple of 0.02MV, allowing PCM1794 to work in the most ideal state.
- Both I/V conversion and low-pass use OPA1612 dual op amp. OPA1612 (dual channel) bipolar input op amp can achieve very low noise density (1.1nV/√Hz) and ultra-low distortion (0.000015%) at 1kHz. The OPA1612 can provide rail-to-rail output with a swing range of 600mV from the power rail under a 2-k load, which helps to maximize the dynamic range. Performance surpasses that of LME49720 and LME49710
- Hermetic transformer boasts low magnetic leakage and high efficiency. It is the most basic guarantee for the sound of the whole machine. Next to it is the high-speed filter capacitor for Panasonic for FC audio
Rear Panel Introduction:
- OUTPUT (R, L): Stereo sound output
- COAX: Coaxial input
- OPT COAX: Coaxial/Optical switching
- OPTICAL: Optical input
- With an AC power supply input port
About Burn In:
- For HIFI speakers, we recommend a burn-in time of 96 hours. The recommended burn-in time for equipment such as amplifiers and decoders is 24 hours
- Burn-in method: The cumulative use time of normal music reaches the burn-in time.
Specifications:
- Input mode: coaxial + optical fiber
- Output mode: RCA terminal
- THD+N: 0.002%
- SNR: 115DB
- Dynamic range: 118DB
- Frequency response: 15-30KHZ
- Output voltage: 2.5V
- Machine size: 169 x 116 x 54mm (LxWxH)
Package Included:
- 1 x Set of DAC
Note:
- It is assembled and ready to use.
Description:
It is the latest version, with voltage regulator upgraded to 3pcs LT1963 high-end regulators.
Version Comparison:
- Standard Version: Op amp with 3pcs TL072.
- Upgraded Version: Op amp with 3pcs American OPA1612 high precision operational amplifiers.
Advantages:
- Core PCM1794 decoding. Details, dynamics and sound field are very good
- Coaxial and optical input adopt WM8805 demodulation, which is a higher grade than the common CS8416 on the market, with low time base jitter and good compatibility, no popping, and easy transmission of 192K 24BIT data
- Using low-distortion op amp OPA1612 low-pass, the effect is better than that of OPA2604. The sound is transparent and delicate, natural and bright. With gold-plated IC socket, you can freely replace and upgrade the op amp
- Using resistor-capacitor matching components and linear voltage regulator integration, make the circuit performance fully play. With components for WIMA, capacitors for ELNA, high-quality chip resistors for TDK and the like
- Aluminum alloy case with laser lettering is fashionable and durable
- Excellent performance with cheap price
Features:
- PCM1794A dual cores are connected in parallel. 192KHz, 24Bit
- 2pcs PCM1794A, each piece is responsible for one sound channel, which greatly improves sound density and separation, the sense of air and sound field is improved!
- LT1963 voltage regulator, large current, high precision and low internal resistance. The noise is as low as 20UV, which is an ultra-low ripple of 0.02MV, allowing PCM1794 to work in the most ideal state.
- Both I/V conversion and low-pass use OPA1612 dual op amp. OPA1612 (dual channel) bipolar input op amp can achieve very low noise density (1.1nV/√Hz) and ultra-low distortion (0.000015%) at 1kHz. The OPA1612 can provide rail-to-rail output with a swing range of 600mV from the power rail under a 2-k load, which helps to maximize the dynamic range. Performance surpasses that of LME49720 and LME49710
- Hermetic transformer boasts low magnetic leakage and high efficiency. It is the most basic guarantee for the sound of the whole machine. Next to it is the high-speed filter capacitor for Panasonic for FC audio
Rear Panel Introduction:
- OUTPUT (R, L): Stereo sound output
- COAX: Coaxial input
- OPT COAX: Coaxial/Optical switching
- OPTICAL: Optical input
- With an AC power supply input port
About Burn In:
- For HIFI speakers, we recommend a burn-in time of 96 hours. The recommended burn-in time for equipment such as amplifiers and decoders is 24 hours
- Burn-in method: The cumulative use time of normal music reaches the burn-in time.
Specifications:
- Input mode: coaxial + optical fiber
- Output mode: RCA terminal
- THD+N: 0.002%
- SNR: 115DB
- Dynamic range: 118DB
- Frequency response: 15-30KHZ
- Output voltage: 2.5V
- Machine size: 169 x 116 x 54mm (LxWxH)
Package Included:
- 1 x Set of DAC
Note:
- It is assembled and ready to use.
Payment Terms
1.We accept PayPal only.
2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
Shipping Terms
- For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding.
Return Terms
1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund.
2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.
2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.
Custom Duties & Taxes
1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility.
2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.
2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.
Feedback
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2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.
2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap.
On Jul-24-21 at 01:06:07 PDT, seller added the following information:
