MUSETEC MH DA006 Lite Discrete Digital to Analog Convertor (DAC)
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MUSETEC MH DA006 Lite Discrete Digital to Analog Convertor (DAC)
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Follow us on TwitterDeveloped based on the flagship model DA006, the DA006Lite Edition embodies the technological essence of the flagship DA006. While ensuring exceptionally excellent sound performance, it significantly reduces the selling price. Compared with previous models such as DA004 and DA005, its sound quality has been greatly improved.
The DA006Lite Edition offers clearer and richer details, a stronger sense of texture, a more stable sound foundation, better detail control, a wider soundstage, fuller and more powerful sound, and smoother and more natural audio performance than the DA004/DA005.
The DA006Lite retains most of the technological essence of the DA006, such as a high-precision multi-clock system and FPGA digital processing function similar to those of the DA006, and it also adopts two ES9039pro chips. The main differences between the DA006Lite and the flagship DA006 lie in the design of the power supply system, analog output circuit, and some digital algorithms.
The DA006Lite uses 2 well-designed high-quality toroidal transformers to supply power to circuits with different functions. These 2 toroidal transformers output a total of 7 groups of AC power, which then enter their respective rectification and voltage stabilization circuits. After that, the power is sent to the second-stage precision voltage stabilization and finally output to the terminal. The DA006Lite is equipped with 7 groups of first-stage voltage regulators and 14 groups of second-stage voltage regulators. The reason for designing so many groups of power supplies is to ensure that different functional circuits can have their own clean power sources, preventing sound performance from being affected by power crosstalk. In positions sensitive to power quality, such as the clock and DAC chip, the LT3045 with an output noise as low as 0.8uVrms is used for power supply.
Just like the flagship DA006, the DA006Lite adopts a voltage stabilization circuit built with silicon carbide rectifier diodes and high-current discrete components to supply power to the analog output.
The analog output of the DA006Lite is composed of all discrete components. Since the ES9039pro outputs a large signal current (with a peak value of approximately 60mA) in the multi-channel parallel output mode, ordinary integrated operational amplifier chips cannot handle it at all. Therefore, we have specially designed an operational amplifier circuit composed of discrete components with high-current handling capabilities. The DA006Lite has 8 units of discrete operational amplifier circuits, all operating in Class A mode.
Compared with the common integrated operational amplifier output method, the discrete output circuit of the DA006Lite has all-round listening advantages, such as more natural, full, mellow, and smooth sound.
In the selection of basic components, the DA006Lite makes no compromises. For example, all resistors in the entire device are low-temperature-drift film resistors with an accuracy of 0.1%. At the same time, according to the circuit characteristic requirements of discrete components, many matched twin triodes are used. The AC-DC rectifier circuit is composed of silicon carbide rectifier diodes and high-speed, high-current Schottky diodes.
The DA006Lite is equipped with multiple custom low-noise clocks of different frequencies to process digital audio signals of various frequencies. For the input I2S signal, the DAC supports two optional clock modes: synchronous and asynchronous.
The DA006Lite has a built-in high-quality USB interface, and the clock of the USB interface is completely synchronized with the DAC chip. Therefore, when inputting via USB, the clock synchronization method is always used to decode the audio signals received by USB. To isolate the input noise of the USB port, we have designed and added a high-speed bus isolator at the USB port, and connected a USB HUB chip at the back end. At the same time, a low-noise clock is specially set for it to reorganize USB data. The USB interface can support a maximum bit rate of DSD1024 and PCM768.
In order to achieve satisfactory sound performance, we have spent a lot of time on the selection of basic materials such as capacitors, resistors, and solder used in the DA006Lite. For example, Mundorf electrolytic capacitors are used, and welding materials (solder, solder paste) are also selected through listening comparisons.
Main Features
1. Adopts the newly developed all-discrete analog output circuit with high-current handling capability, with a total of 8 circuit units for the two channels.
2. The power supply for the left and right channels and the digital circuit is designed separately, and each different power-consuming functional area has its own filter and voltage stabilization power supply circuit.
3. Circuits with different functions are powered by independent transformers, with a total of 2 high-quality custom transformers outputting 7 groups of AC power.
4. The analog circuit power supply adopts ultra-fast, high-current silicon carbide Schottky diode rectification, and the voltage stabilization adopts an all-discrete high-current design.
5. The entire device is equipped with a total of 7 groups of first-stage voltage-stabilized power supplies and 14 groups of second-stage voltage-stabilized power supplies, totaling 19 groups of voltage-stabilized power supplies.
6. For noise-sensitive areas, such as the power supply of the DAC and clock, a total of 3 LT3045 low-noise voltage stabilization chips are used.
7. Selected film capacitors are used as power supply bypass filters in key parts.
8. Equipped with a total of 4 high-quality custom clocks.
9. Supports synchronous and asynchronous working modes.
10. Built-in high-performance USB digital interface, supporting a maximum format of PCM768K and DSD1024.
11. The USB interface is equipped with the latest USB high-speed bus isolator and uses a built-in clock for USB signal reorganization.
12. 2 digital coaxial ports, 1 AES/EBU port, and 1 optical port, supporting PCM 192K or DOP64.
13. IIS-H differential I2S digital source input, supporting PCM768K and DSD1024, among which the sequence of the IIS-H port is adjustable.
14. I2S digital source input, supporting a maximum of PCM768K and DSD1024.
15. FPGA reorganizes the input audio data.
16. Adopts two ES9039pro DAC chips from ESS.
17. Single-ended output: 2.8Vrms; Balanced output: 5.6Vrms.
18. Total Harmonic Distortion + Noise (THD+N): < -117dB (A-weighted); Dynamic Range: > 127dB.
19. Dimensions (W x D x H): 430mm x 320mm x 90mm (including feet).
20. Net weight: 8.3kg.
Order Cancellation
If you have requested to cancel your order but the item has already been dispatched, you will be responsible for the return shipping costs if you choose not to accept the delivery. Once the order has left our warehouse, we are unable to cancel it.
Shipping Fees
Worldwide Free Shipping on SHENZHENAUDIO, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.
If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 10%-50% of the product cost.
Which Couriers to Use
Given the amount of shipping partners we work with and the vast coverage area we serve, there are likely regions with much longer transit times than others. If you have any feedback, suggestions, or problems with the courier of your shipment, please feel free to submit a support ticket via the "Contact Us" button below.
Our goal is to provide our customers with the best shipping experience possible at a reasonable cost. And the transportation systems of airlines will also update regions and rates from time to time (especially for remote areas). This is why we constantly negotiate with existing shipping partners for lower rates and actively test new couriers for potential opportunities.
PO boxes or APO/FPO
The ability to ship to PO boxes or an APO/FPO address depends on the address. We won’t be able to ship to these addresses because of our current courier agreements.
To determine if your order is eligible for shipment to PO boxes or an APO/FPO address, please contact SHENZHENAUDIO Support.
Estimated Delivery Time
For customers in the continental United States:
5 to 18 business days from the date of shipping
For customers in Hawaii and Puerto Rico:
12 to 18 days from the date of shipping
International customers can expect longer shipping times, depending on the country in which they live:
Canada: 1 to 3 weeks from the date of shipping
Australia, New Zealand, Germany, France, and the UK: 1 to 2 weeks from the date of shipping
Other countries not listed above: 2 to 6 weeks from the date of shipping
Excepts the normal shipping above, fast shipping will usually take 3-7days in usual.
Please keep in mind that these are rough estimates and shipments can be delayed due to unforeseen circumstances, like postal strikes or severe weather.
If, for some reason, you don’t receive your order within the estimated time frame provided above and suspect that it might be lost in transit, please submit a support ticket from your transactions page and we can look into the order with the courier. Lost-in-transit requests must be submitted to SHENZHENAUDIO Support within 3 months of the date of shipping or before the courier archives the tracking information.
Easy 30-Day Return Policy
If you are dissatisfied with your purchase for any reason, you may return it to SHENZHENAUDIO within 30 days of the received date, subject to the conditions and exclusions below.
According to our warranty policy, if it is not related to product quality problems, and customer wants to return the product, the customer needs to request it and return it within 30 days upon product/parcel arrival, and the customer needs to pay the return shipping cost, as we’re not able to request return shipping label from courier partner at the moment, we need your help to check the return cost with the courier or Postal service, and please, you must inform us the tracking number once you shipped out the return product. Once we received the product in our warehouse, we will issue a refund for the product cost only (we will not cover the shipping cost from and to Shenzhenaudio warehouse). Return shipping within 7days upon product/parcel arrival will not charge restock fee.
Eligibility Conditions
Please read conditions below. If all conditions are not met, SHENZHENAUDIO reserves the right to refuse the return. All returned items must be in new condition, in their original unaltered box (including an intact UPC code) and must include all packing material, blank warranty cards, manuals and accessories. SHENZHENAUDIO can only refund the original purchase price. Shipping and handling fees includes the restock fee are nonrefundable.
Defective or Damaged Items
Defective items may be repaired, exchanged or refunded at our discretion for the same model or manufacturer's equivalent model.
Exchanges
Depending on where you live, the time it may take for your exchanged product to reach you, may vary. Please allow 3-5 business days for mail-in exchanges to be processed.
Refunds & Credits
Once we receive and inspect your item(s), we will credit your account. Please allow 5-7 days for a credit to appear on your account. In most cases, we will issue your refund in the same way you made the original purchase. Please note: we can only refund the original purchase price. Shipping and handling fees are nonrefundable.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Return Shipping
To return your product, you should contact Shenzhenaudio Support to get the details.
If you’ve done all of this and you still have not received your refund yet, please contact us at support@shenzhenaudio.com.
