Picture Information

Image is loading
Image not available
Mouse over to Zoom
Click to enlarge
Have one to sell? Sell it yourself

Details about  XiangSheng 728A BK Vacuum Tube Pre-Amplifier Preamp Shigeru Wada Japan circuit

XiangSheng 728A BK Vacuum Tube Pre-Amplifier Preamp Shigeru Wada Japan circuit

Seller information

99.1% Positive feedback
Visit store:
See other items

Item Information

Item condition:
Brand New
Error icon
More than 10 available / 2 sold
Please enter a quantity of $qty_dummy$ or less Please enter a quantity of 1 Purchases are limited to $qty_dummy$ per buyer Please enter quantity of 1 or more Please enter a lower number Choose quantity that is less than $qty_dummy1$ or equal to $qty_dummy$ You can only choose quantity that is equal to $qty_dummy$
AU $592.00
35 watching
Free postage
Longtime member
New condition
FREE Standard delivery from outside AU | See details
Item location:
HK, Hong Kong
Posts to:
Worldwide See exclusions
International shipping and import charges paid to Pitney Bowes Inc. Learn More- opens in a new window or tab
14 day money back, buyer pays return postage See details
 | See details - opens in a new window or tab
Get the item you ordered or get your money back.

People who viewed this item also viewedFeedback on our suggestions

eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  02 Feb, 2015 20:29:06 AEDST  View all revisions

Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Brand: XiangSheng
Signal/Noise Ratio: 90dB Colour: Black
Frequency Response: 10Hz--30KHz Model: 728A
Humidity: 35%—80% Input Power: AC100V-AC240V available 60Hz/50Hz
TMD: less than 0.01% Output Tube: 12AT7×2、12AU7×2、6Z4×2
Input Jack: 4 groups Input Sensitivity: 400mV
Output Jack: 2 groups Input impedance: 100K
Weight: 8 kg Output Impedance: 600 ohm
XiangSheng 728A Vacuum Tube Pre-Amplifier Preamp Shigeru Wada Japan circuit BK

CLASS-A - 100% New  XIANGSHENG 728A Pre-Amplifier


Wonderful  stereo  Pre-Amplifier,  built  with the  best  parts  available

The  pre-amplifier  improved  based on  famous  Wada  Shigeho's  Style  Electric  circuit,

which  was  Introduced  by Wada  Shigeho  in the  early  1960s  and gave  an  excellent  performance.

Regarding  the Wada  Shigeho's  Style  Electric  circuit,

it not  only  still  keep the  good  features  of  Marantz7,

meanwhile  it have  superrior  features  in  Dynamic,

High/lLow  Frequency  Response,  Resolution  and  Signal  to Noise  Ratio as  compared  to  Marantz7.

But  apart  from  above  features,  it’s  also not  inferior  to  Marantz7  in Sound  stage  and airy  feeling.

Adopt  4pcs  paper in  oil  capacitors  and  German  WIMA  capacitors  for  coupling  effect,

 make  the  sound  warm and  delicate.

Item Specifics
Brand :XiangSheng
Colour :Black
Model :728A
Input Power :AC100V-AC240V available 60Hz/50Hz
Output Tube :12AT7×2、12AU7×2、6Z4×2
Input Sensitivity :400mV
Input impedance :100K
Output Impedance :600 ohm
Signal/Noise Ratio :90dB
Frequency Response :10Hz--30KHz
Humidity :35%—80%
TMD :less than 0.01%
Input Jack :4 groups
Output Jack :2 groups
Weight :8 kg

Please make sure you checks there is not hidden change for some other

sellers which are providing free shipment, you may still have to pay extra to

insurance. Also free shipment may be SURFACE-MAIL but not AIR-MAIL,

and SURFACE-MAIL is not available to all country, do not fool by the seller.




  • We ship to worldwide but  shipping extra may applied to  some countries.
  • Items will send out within 2-3  working days once payment is  confirmed.
  • We will properly pack each item with  sufficient protections to ensure it  reaches you in the same condition as when it left our  warehouse.
  • Online Tracking number will forward to your  PayPal email address once the parcel is sent.


 International Buyers –  Please Note:

  • Import duties, taxes and  charges are not included in the  item price or shipping charges.  These charges are the buyer’s  responsibility.
  • These charges are normally  collected by the delivering  freight (shipping) company or  when you pick the Item up – do not confuse  them for additional shipping  charges.

  • We Guarantee 100%  brand New.
  • Payment must be  made within seven days after the auction ended,  we can extend the payment period if buyer  contacted us with a good explanation, otherwise  non-paid item strike will issue to buyer's  account.
  • Please follow the  eBay checkout process. You can pay immediately  or wait for an invoice that will send from us  via eBay.
  • Please make sure  your address in PayPal is correct for the  shipment, if shipment is returned because of  incorrect address, buyer will have to bear the  returning shipping cost.




By buying on this item,

you agree to the following Return Policy.


  • If you received  an item that is not what you expected, please  contact us to return the item for refund before  leaving a feedback, we will do our absolute best  to work out a solution to your satisfaction

  • Defective item  will be reported to courier for insurance claim,  please contact us and do not throw away the  packaging before damage report, if you want to  repair by yourself for small damages, we can  send factory parts for faster process.

  • Cosmetic issues are not covered.

  • Shipping, Handling and Insurance charges are not  refundable.

  • If  a returned item is not defective and has been  tampered with, misused or damaged, it will be  returned to Customer.

  • Warranty:  One year factory warranty + extra three years  factory parts warranty.


For more information,

Feel free to contact us via the eBay messaging system.

You can email us by clicking on the "Ask The Seller A Question" link on the eBay listing.

All email inquiries will be answered as promptly as possible

but please allow us 12-24 hours to respond.



 PRIMEAMP And TUBESTEIN is a reputable Hong Kong based importer &  exporter, 
specialize in wide range of electronic devices  especially on tube amplifiers, 
we are well connected with some famous brands:  Yaqin, Music Angel XDSE, Bewitch, MHZS, AUDIOROMY  etc. 
We are trading as a worldwide wholesaler and  retailer with excellent product knowledge; 
our marketing and sales department promise to  provide well-rounded customer service and 
reliable after-sales service. 
With the advanced technology and staying at the  forefront of new innovation, 
and the support of customers from Hong Kong and  overseas, 
we provide the best services to our customers to  gain the highest satisfaction in on-line electronic  Services.



Copyright of on9mart.com. All rights reserved.

Brand Category
New Item
Hot Item
New List Item
Add my Shop to your Favourites and receive my email newsletters about new items and special promotions

QR Code

Questions and answers about this item

No questions or answers have been posted about this item.

Seller assumes all responsibility for this listing.

Postage and handling

Item location: HK, Hong Kong
Posting to: Worldwide
Excludes: Africa, Central America and Caribbean, Middle East, South America, Russian Federation, Albania, Andorra, Belarus, Bosnia and Herzegovina, Croatia, Republic of, Cyprus, Czech Republic, Gibraltar, Greece, Guernsey, Hungary, Latvia, Liechtenstein, Lithuania, Macedonia, Malta, Moldova, Montenegro, Romania, San Marino, Serbia, Slovakia, Slovenia, Svalbard and Jan Mayen, Ukraine, Vatican City State, Cambodia, Hong Kong, Laos, Vietnam, Afghanistan, Armenia, Azerbaijan Republic, Bangladesh, Bhutan, Georgia, Kazakhstan, Kyrgyzstan, Maldives, Mongolia, Nepal, Pakistan, Sri Lanka, Tajikistan, Turkmenistan, Uzbekistan, American Samoa, French Polynesia, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, Niue, Palau, Papua New Guinea, Solomon Islands, Tonga, Tuvalu, Vanuatu, Wallis and Futuna, Western Samoa
Domestic handling time
Will usually post within 1 business day of receiving cleared payment - opens in a new window or tab.

Return policy

Item must be returned within
Refund will be given as
14 days after the buyer receives it
Money Back
The buyer is responsible for return postage costs.

Refunds by law: In Australia, consumers have a legal right to obtain a refund from a business for goods purchased if the goods are faulty, not fit for purpose or don't match description. More information at returns - opens in a new window or tab.

Payment details

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

Place bid

Time left:
Current bid:
(Approximately ##1##)
Import charges:
Your max bid:
Your max bid:
By clicking Confirm bid, you commit to buy this item from the seller if you're the winning bidder.
By clicking Confirm bid, you are committing to buy this item from the seller if you are the winning bidder and have read and agreed to the Global Shipping Program terms and conditions - opens in a new window or tab. Import charges previously quoted are subject to change if you increase you maximum bid amount.
Resume bidding, if the page does not update immediately.
Place bid
Review and confirm your bid
Bid confirmation
FREE postage
See item description
(Approximately ##1##)
(Enter ##1## or more)
(Enter more than ##1##)
Your max bid:
Increase max bid
Place bid
Confirm bid
Increase max bid
Change bid
, you've been outbid. Don't let it get away - bid again!
, you're the highest bidder on this item. Good luck
, you're the first bidder. Hope you win!
, you're currently the high bidder, but you're close to getting outbid.
, this auction is almost over and you're currently the high bidder.
, you're the high bidder, but the reserve price hasn't been met.
Please enter your bid again.
Please enter a valid number as the bid price.
Enter an amount that is equal or greater than the minimum bid required. This can be found under the bid entry box.
Maximum bids can't be lowered once they're submitted.
This seller requires the buyer to have a PayPal account to purchase this item. Get a PayPal account here .
Your bid is greater than or equal to the Buy It Now price. We recommend you purchase this item via Buy It Now. If you still wish to bid, you may do so below.
Time left:
Current bid:
(approximately ##1##)
Your maximum bid:
(approximately ##1##)
Increase your maximum bid:
By clicking 1 Click Bid, you commit to buy this item from the seller if you're the winning bidder. Learn moreabout 1-click bid - opens in a new window or tab
(approximately ##1##)
Winning bid:
Starting bid:
Congratulations! The auction has ended and you're the winner.
The auction has ended, but the reserve price was not met.
Sorry, the auction has ended and you were outbid.
Good news, you're the high bidder.
Sorry, you've been outbid.
You're the high bidder, but the reserve price is not met.
Please enter a higher amount than the current bid.
Maximum bids can't be lowered once submitted.
Please enter a valid number.