09 NEW VERSION ZERO 24/192KHZ DAC HEAD AMP @USB OPA2604 - eBay Players, CD Players, Audio, Electronics. (end time 07-Dec-09 21:39:24 AEDST)

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09 NEW VERSION ZERO 24/192KHZ DAC HEAD AMP @USB OPA2604

(09 NEW VERSION) ZERO 24/192 DAC,HEAD AMP,OPA627 w...

(09 NEW EDITION)ZERO 24/192 DAC,HEAD AMP,OPA627 wi...

(09 NEW EDITION) ZERO 24/192 DAC,HEAD AMP,OPA2604 ...

ZERO 24bit/192khz Dual D/A Converter.OPA2604

(WITH USB CONVERTER)

~ 2009 New Edition ~

2009 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: OPA2604
﹡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

Payment by PayPal

For Paypal payment, please VERIFY your Paypal account and (CONFIRM your shipping address) when making payment by PayPal.

All Packages include a tracking number, FULLY insured, a SIGNATURE is required.

Delivery inside Australia normally takes around 5--7 days(we advice chinese EMS express).

We ship Monday-Friday, excluding major Chinese holidays.

Packages are shipped within 2 business days of payment receipt.

In case of a loss the items ordered will be replaced.

Brand new replacement with 30 days warranty
1 year warranty provided by manufacturer
Shipping, handling and insurance charges are not refundable in any case.

Buyer bears all the shipping charges.

We are provide audio product to world from china,we have owns brand.

Start selling to international eBay sites.

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Questions and answers about this item


	Q: Can this dac be connected to a computer thru usb and to an audio amp thru RCA so that music files on the HD drive can be played. And what music file formats does it use? mp3? flac? Does it come with its own power supply? A: Dear Sir, Yes, you can add a USB converter that can be directly connected to the computer, about music file format, your computer's MP3 and flac, are all possible! I have advice power cable. best regard. wang shuzeng	25 Nov, 2009

	Q: Does it have analog output RCA, left and right, on the rear of case? I think that is what I can see in the photo. A: Yse, It have RAC outpur on the back,please don't worry. Thanks and best regard. wang shuzeng	02 Oct, 2009

	Q: Please can you confirm if you can make the DAC with auto voltage (both 110V and 220v/240v). I travel a lot for work both in the USA and Australia so I'd like to buy something with auto volt. Thanks, A: Dear Sir, you can select 110V or 220V youself. Thanks and best regard. wang shuzeng	02 Oct, 2009
	Q: Thank you, you have 2 differant units, one is opa2604 other is opa627. What is the differance, which is better. A: Dear Sir,Thanks for your message,it is differance about sound,or you can visit OPA clips web. Thanks and best regard. wang shuzeng	07 Sep, 2009

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Postage and handling

Item location: hongkong, Hong Kong

Posting to: Worldwide

Quantity: Change country:	Postcode:

Postage and handling	Each additional item	To	Service	Estimated delivery*
AU $54.99	AU $48.99	Australia	Courier	3-5 business days after seller receives cleared payment

*The estimated delivery time is based on the seller's handling time, the shipping service selected, and when the seller receives cleared payment. Sellers are not responsible for postage service transit times. Transit times may vary, particularly during peak periods.

Domestic handling time	Postal insurance
Will usually post within 2 business days of receiving cleared payment.	Not offered

Return policy

Item must be returned within

Refund will be given as

Return policy details

30 days after the buyer receives it

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Refund and Change Policy

All our products come with original 1-year warranty
Please contact us within 3 days upon your receiving of the item(s).
A refund including P&P will be rendered in the event that the item(s) is not as described.
A refund including P&P will be rendered in the event that the item(s) is not to your expectation.
An exchange will be rendered in the event that the item(s) is damaged or lost during the transport.

The buyer is responsible for return shipping costs.

Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased (but not at auction) if the goods are faulty, not fit for purpose or don't match description. More information at returns.

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