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2012-NEW-VERSION-ZERO-dac-637U-24-192KHZ-DAC-HEAD-AMP-USB-OPA637-CHIP-SILVER
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Details about  2012 NEW VERSION ZERO dac 637U 24/192KHZ DAC& HEAD AMP & USB &OPA637 CHIP SILVER

2012 NEW VERSION ZERO dac 637U 24/192KHZ DAC& HEAD AMP & USB &OPA637 CHIP SILVER

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Item information

Item condition:
New
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More than 10 available / 17 sold
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Price:
US $204.99
Approximately £126.21(including postage)
 
22 watching
 
Free postage
New condition
30-day returns
Postage:
Free Standard Int'l Shipping | See details
International items may be subject to customs processing and additional charges.  help icon for delivery - opens a layer
 
Item location:
hongkong, Hong Kong
 
Posts to:
Worldwide
Delivery:
Please allow additional time if international delivery is subject to customs processing.
Payments:
International postage and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
Returns:
30 days exchange, buyer pays return postage See details
Protection:
 | See details - opens in a new window or tab
eBay item number:
251044026519
Seller assumes all responsibility for this listing.
Last updated on  19 Feb, 2014 09:40:15 GMT  View all revisions

Item specifics

Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Brand:

zero

Audio Outputs:

Headphone Jack, Stereo L/R RCA

Model:

637u

Color:

silver

Audio Inputs:

Digital Coaxial RCA, Digital Optical TOSLINK, USB

fanmusic hk

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2012 NEW VERSION ZERO 637U 24/192KHZ DAC HEAD amplifier @USB @BB OPA637 chip

ZERO.9

Photobucket

ZERO.2

  

 

DHL QUICK SHIPPING: 2-5 WORKING DAYS

(This is for USA, CANADA, AUSTRALIA, EU, Asian Countries. For the other countries, it may take more time to arrive).

Please advice telphone number to me when you order it(the courier need it,it is very important)

2012 NEW VERSION ZERO 637U 24/192KHZ DAC HEAD amplifier @USB @BB OPA637 chip

Description:

2012 new edition has the following improvements:

﹡09 edition has added the auto search and signal lock function.
﹡With memory function and can save data automatically after power off.it will return to the lastest situation if no signal is found after power on again.
﹡with USB function.
﹡With an special independent circuit for D/A converter,the sound effect is greately improved.
﹡Readjust and refine the analogy circuit to improve its function.
﹡enlarge the height by 30% of all 9 pcs radiating ribs to better give off heat.
﹡Improved the power section to eliminate static disturbance.
﹡With color option: black and silver(please select)
﹡Improved the mold of outer case and the front panel.
Improved function key(front panel) introduction:
1. Mute/Set :
When with music on,press this button,the Zero will become mute,it will continue to play music after press this button again.
2.input:
When power on the zero,the indication light of this button will flash according to different input signals it detects,for example:Blue(coaxial in),Red(optical in),Green(USB in).
And soon after the Zero decect its input signal,it will automatically lock the signal.So when you want to change to other input mode while in use,please press this button.
More photos about the inside:
enlarge the height by 30% of all 9 pcs radiating ribs to better give off heat.
New edition uses HD74HC04(Japan) to filter digit signal and eliminate disturbance during transmission.
09 edition ZERO use ZL(Japan) capacitances.and LM337/LM317( US)

09ZERO USB part

◆Feature Overview:

﹡Support Max.24 bit/192KHz input
﹡independent digit optical fibre input
﹡independent digit coaxial input
﹡Unique preamplifier suitable for all kinds of impedance earphone.
﹡6.3mm earphone signal output
﹡unique volumn adjustable preamp
﹡analogy signal non-balanced output
﹡With lots of quality HIFI components
﹡The Opamp with all plated components and is easy to replaced.
﹡With delayed turn on/off function to avoid currency concussion.
﹡With double-faced(cuprum on one side and foil on the other side)circuit board which is thicker and superiorhas .


◆Specifications:
﹡Recevial chip CS8416
﹡Decode Chip AD1852
﹡Analogy Opamp chip: OPA637U
﹡S/N ratio 105dB
﹡Distortion 0.0005%
﹡dynamic range: 117dB
﹡Frequency Response 20Hz-30KHz(±0.5dB)
﹡analogy output frequency: 2V
﹡Imput port: one digital optical fibre imput
one digital coaxial imput
﹡Output port: one RCA analogy un-balance output

one 6.3mm headphone signal output
﹡power imput voltage: ~220V50Hz±10%
﹡Dimension:240X220X55mm
﹡Net weight:3kg

Function (Q & A)
1.How to make optical fibre signal input?
Re:Press the "power" button on the panel to turn on the Decoder,the power and optical blue indicator light will flash,and the digital optical fibre signal channel will open.To avoid concussion,the analogy signal output channel will have 3 seconds in delay to open.At that time,if there's digit optical fibre signal in,then there will be analogy signal out accordingly.

2.How to make digital coaxial signal input?
Re:After finish step 1,press "Coaxial"button on the panel,the digital coaxial signal channel will open and the coaxial indicator light will flash too.At that time,if there's digital coaxial signal in,there will be analogy signal out.

3.Under digital optical fibre signal input condition,How to make analogy signal output adjustable?
Re:After finish step1,revolve the "volumn"switch(not exceed 9 o'clock position),press "Preamp" button,the phone indicator light will flash.At that time,if there's digital optical fibre signal in,then the output analogy signal can be adjustable according to the volumn switch.

4.Under digital coaxial signal input condition,how to make analogy signal output adjustable?
Re:After finish step2,revolve the "volumn"switch(not exceed 9 o'clock position),press "Preamp" button,the phone indicator light will flash.At that time,if there's digital coaxial signal in,then the output analogy signal can be adjustable according to the volumn switch.

5、How to make earphone amplifier output under digital optical fibre signal input condition?
Re:After finish step3,revolve the "volumn"switch(not exceed 9 o'clock position),then insert the phone and the analogy output signal will be cut-off,the sound/music can only be out through the phone and you can adjust the phone volumn by "volumn" switch.

6、How to make earphone amplifier output under digital coaxial signal input condition?
Re:after finish step4,revolve the "volumn"switch(not exceed 9 o'clock position),then insert the phone and the analogy output signal will be cut-off,the sound/music can only be out through the phone and you can adjust the phone volumn by "volumn" switch

At the time of purchase, please indicate the following:

  • Contact telephone number for shipping purposes
  • ´our couftry's voltagd specs: 110V (US, Canada, etc), 220V (Europe, Asia, etc),
  • Color you want: Black or silver

capacitance: KZE(Japan) , manostat :LM1117(US)
Capacitance: (Japan ELNA)SILMIC
High quality pinboard and components.Gold-filled RCA out and Coax out ports,Optical port( Japan Toshiba)
D/A converter :AD1852(ANALOG, US) ; Digit receive chips:CS8416(CRYSTAL,US).
USB decode chip: PCM2704(BB company). speed:1.1 output:16bit48Khz 

  • PAYPAL Only --Buyer must pay using PAYPAL ONLY within 7 days from the date of transaction made.

  • Full Payment --Transaction with insufficient payment will not be handled. So, please make you complete the full payment, including Final price + Postage.

  • No Discount --No discount is offered for all transactions.

  • Processing --We will arrange the dispatch within two working days after we receive the valid and completed payment.

  • Delivery address on ebay --Please advice shipping detail from ebay when you make payment(inclue telphone number,contact person,Input voltage,color etc..).

  • Postage includes the actual postage and corresponding packaging fee and handling fee, which is coincident with ebay's regulations. Any doubts, please read the ebay's regulations carefully. We don't overcharge the cost. Please don't bargain or argue with us for this point.

  • Shipping Method --Item will be shipped within 2 working days after FULL payment is received. It is noted that Paypal pending payment (such as eCheck) may take up to 5 working days to clear. What we used is Chinese EMS or DHL, which may take around 5-10 days to arrive from the date of dispatch issued (This is for USA, CANADA, AUSTRALIA, EU, Asian Countries. For the other countries, it may take more time to arrive).

  • No Combine Postage -- Combine postage is non available, even if you purchased several items per time, since AIRMAIL POST charges the postage based upon weight of the post, not quantity.

  • Item Declare:
    Your item will mark as Gift or Sample and a low's value.
    We are NOT responsible for any import tax, customs fees or customs delay.
    Buyer cannot request to cancel the auction or request for refund under this situation. Please check with your local tax authorities BEFORE bidding.

We supply 1-Years Manufacturer Warranty ( Excluding contrived damagement or misusage).

  • In case of DOA, Please notice us within 3 days and return the case within 7 days after receiving the items. (The date on Post Mark is for standard). After our receiving of the items in good appearance condition, you may have a replacement or refund as long as we cancel the order on ebay, and Shipping cost is non-refundable, as you know shipping & handling was paid to post office.

  • If the item was sent back for repair, buyer pays for the returning fee. We will be responsible for 2nd shipping cost & handling.

  • If you ask for replacement or repair after one month since you paid, you need to pay for the 2nd shipping cost & handling.

  • If you have to return the item for the refund, you will pay a 20 % restocking fee.

  • In order to provide you the best serviceStarStarStarStarStar, please treat the transaction fairly.Positive feedback rating Feedback is our life, before you leave a neutral Neutral feedback ratingor negativeNegative feedback rating feedback, please DO contact us to get a better solution, Because we don't want to get a NEUTRUAL feedback or NEGATIVE feedback.

    The address on the parcel is not ours, it is the postman, please DON'T SHIP TO THERE. Please contact with us for the return address before you return it, otherwise we can’t get the parcel you returned. Please contact us for return address before you send.

  • Please don't hesitate to contact us with any queries or comments about our items or your problem.
    Please note that we are open Monday to Friday between 9:00 Am to 18:00 PM Beijing Time ,which means we can keep on-line at :

Our Working Schedule

Bei Jing(CN)

Monday to Friday

09:00 AM - 18:00 AM

New York(US)

Sunday to Thursday

20:00 PM - 05:00 AM

London(UK)

Monday to Friday

01:00 AM - 10:00 AM

Paris(FR)

Monday to Friday

02:00 AM - 11:00 AM

Canberra(AU)

Monday to Friday

11:00 AM - 20:00 PM

 

During holiday ,pls allow us to response you early next week ,kindly not leaving negtive/neutral feedback or make dispute/claim out of our working hours, thank you for your cooperation.

Questions and answers about this item

No questions or answers have been posted about this item.




10053
Seller assumes all responsibility for this listing.

Postage and packaging

Item location: hongkong, Hong Kong
Postage to: Worldwide
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Returns policy

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Refund will be given as
30 days
Exchange
The buyer is responsible for return postage costs.
Return policy details
Returns accepted
Most Buy It Now purchases are protected by the Distance Selling Regulations, which allow you to cancel the purchase within 14 working days after the day you receive the item. Find out more about your rights as a buyer - opens in a new window or tab and exceptions - opens in a new window or tab.

Payment details

Payment method Preferred/Accepted  
Credit or debit card through PayPal
PayPal preferred
 
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