ToneWinner Winner AD-1PRE audiophile preamp Decoder decoding pre-amplifier DAC ESS9028Q2M ESS with remote control
100% Brand New
Features:
Product introduction:
The pre-amp is a high-quality fever preamp decoder designed by Tianyi Company for three years. It is mainly used with Tianyi AD1PA.
It can also be used for pre-upgrade of AD2SE by setting AD2SE to the post-level mode and AD1PRE for its external pre-stage decoding.
Improvement can be seen immediately. The overall performance has changed dramatically.
4-channel analog audio input interface: 3-way unbalanced input (AUX, CD, DVD), 1 balanced input;
5 digital audio input interfaces: OPT1, OPT2, COAX1, COAX2, USB;
Analog output interface: two sets of unbalanced outputs, one set of balanced outputs;
The digital receiver chip uses the AK4118 of AKM;
The DAC chip adopts the ESS9028Q2M of the American ESS company, which has the signal-to-noise ratio of 129dB and the distortion as low as -120dB.
The I/V conversion circuit op amp uses TI's Ding-class fully differential op amp OPA1632 to maximize the high fidelity performance of the balanced transmission signal;
The electronic volume chip adopts the JUSE Ding-class MUSES72320, and the indicators such as distortion, signal-to-noise ratio and resolution are extremely excellent;
The balanced-to-unbalanced circuit op amp uses TI's Ding-class bipolar op amp OPA1612 with distortion as low as 0.000015% and noise density as low as 1.1nV/√ Hz;
The whole AD-1PRE is powered by analog power supply, which eliminates the interference of the switching power supply to analog audio.
Specifications:
Frequency response: 20Hz-150KHz (0 + l/-3dB)
Signal to noise ratio: > 108 (A-weighted)
Total harmonic distortion: 102dB (lKHz)
Supported formats: CD, HDCD, SACD (CD layer), MP3, WMA
Input interface: coaxial, optical, USB, AUX, CD, DVD,
Output a: two sets of unbalanced output, a balanced output
Power supply voltage: 200v
Dimensions: 444mm*108mm*420mm (manual measurement, subject to the actual product)
Net weight: lO.lKg
Gross weight: 12kg
Accessories: remote control, power cord, fiber optic cable, data cable A pair of batteries, warranty card, manual
We ship the package within 1-3 days after the payment cleared.*
Shipping via DHL or UPS or FedEx or other express delivery takes 3-7 business days with a tracking number.
Shipping via China Post EMS or HK Post EMS usually takes 7-14 business days with a tracking number.
Shipping via China Post air mail or HK Post air mail usually takes 10-30 business days with a tracking number.
Faster payment, faster delivery.
Buyer pays any import taxes or customs duty.
All items are marked as low value on postal paper for customs to send that our buyers can save some customs fees.
Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
International Shipping:
We ship goods to worldwide. All the packages will come with a tracking number.
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