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Details about  Valve Class A Tube Headphone Amplifier pre Bravo V2

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Valve Class A Tube Headphone Amplifier pre Bravo V2
Item Ended
Item condition:
Aug 16, 2012
US $69.99
$16.00 Expedited Shipping | See details
See details about international shipping here.  help icon for Shipping - opens a layer
Item location:
HK, Hong Kong


eBay item number:
Seller assumes all responsibility for this listing.

Item specifics

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


Amplifier Type:


Tube Headphone Amplifier

Valve Class A Muti-Hybrid Headphone Amplifier V2

Upgraded version, much longer life than other similar product.
6 Month Warranty, ship w/ Tracking number

Item Description

Payment & Shipping

  • This is a beautiful looking Tube Class A Headphone Amplifier with acrylic plate installed in bottom and top.
  • It is Pure Class A amplifier with Audiophile Performance. It brings you a powerful, dynamic and sweet TUBE SOUND from your headphone. You will be astounded at the improvement in sound quality, dynamic range, meticulous transparency, completely demonstrate its high performance and analytical ability, it can also connect with power amplifier such as a high performance pre amplifier to improve your Hi Fi system.
  • There is NO OP amp or IC in this circuit, which introduce unexpected distortion to the sound.
  • FAQ:
    Q: This Amp only has only 1 Tube, how can I amplifier stereo signal?
    A: There are 2 triode in this Tube (12AU7), It's just like dual core CPU in your PC. So both channels were get amplifiered by the Tube.
  • Specification:
    In Put Power: DC24V
    Input Sensitivity: 100mV
    Input Impedance: 100KOhm
    Out-Put Impedance: 20~600 Ohm
    Gain: 30dB
    Frequency response: 10Hz-60KHz +/- 0.25dB
    Signal/Noise Ratio: >90dB
    Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm)
    THD: 0.016%(300 ohm) 0.45%(33 ohm)
    IMD + Noise: 0.045(300 ohm) 0.42(33ohm)
    Dimension:79mm (D) X 79mm (W) X 44mm (H)not measure to tube and transformer
    Shipping Weight: 600 g
  • What's in Package:
    1 x Headphone Amplifier

    1 x Brand new Shu Guang 12AU7 tube

    1 x Switching Power Supply Universal AC 100V-240V / 50~60Hz to 24V DC 1A out put
    (Auto-Detect International Compatible)

    1 x 6.3mm to 3.5mm Gold coat earphone Jack adapter.

    1 x Power cable with AC wall plug (We have 4 Standard Plugs shown in below picture. Please let us know your choice. Or we will ship the Preamp with default US plug)
  • We accept Paypal only, it is fast, easy and safe.
    Winner bidder must respond within 2 days and finish the payment within 5 days after the auction end.
  • International shipping charges by AIR post. It usually takes 10-15 business days (almost 2~3 weeks)to arrive.deliver shippment fastly and seldom lost parcel.
  • However, package to following country may need longer time due to strict custom insepction: Italy, Brazil, Spain, France, Germany.
  • International order will be processed in 1 - 2 business days.
  • We can also provide express post by EMS(5-8 days) or DHL(4-5 days). The cost is a higher than standard postage, about $40 or higher.
  • Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
  • Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.


We improves our product, while other seller still sells old design

Comparision of all Bravo Amp



A brief review of buyer's feedback on ebay


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On Jan-22-10 at 10:25:27 PST, seller added the following information:

On Apr-14-11 at 00:55:40 PDT, seller added the following information:

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