Valve Class A Tube Headphone Amplifier Preamp Audio AMP Russian EH 6922 Tube

Item number:

120926027421

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Last updated on Mar 26, 2013 05:53:27 EDT View all revisions

Item specifics

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions- opens in a new window or tab ... Read moreabout the condition	Brand:	Bravo
tube:	Russian EH 6922	Model:	V1
Out-Put Impedance:	20~600 Ohm	Type:	Tube Headphone Amplifier preamp
Input Impedance:	100KOhm

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Valve Class A Tube Headphone Amplifier preamp audio amp&Russian EH 6922 Tube

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Valve Class A Tube Headphone Amplifier preamp audio amp&Russian EH 6922 Tube

Description:

· 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 (6922), It's just like dual core CPU in your PC. So both channels were get amplifiered by the Tube.

Q:what is the difference btween 6N11 Tube and 6922 Tube?
A: 6N11 is old tube made in China. It was EOL in mid 90s last century. So it's all old stock, even 2nd hand tube, the quality was no controllable. EH6922 is made in Russia, it's till on production nowadays. EH6922 has much better quality and stability in all aspect.

· 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

· Package:
1 x Headphone Amplifier

1 x Brand new Electro-Harmonix 6922 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)

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.

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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.
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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 service, please treat the transaction fairly. Feedback is our life, before you leave a neutral or negative feedback, please DO contact us to get a better solution, Because we don't want to get a NEUTRUAL feedback or NEGATIVE feedback.

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Item location: hongkong, Hong Kong

Shipping to: Worldwide

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Shipping and handling	Each additional item	To	Service	Delivery*
Free shipping	Free	Canada	Standard Int'l Shipping	Estimated Delivery within 15-23 business days Seller ships within 1 day after receiving cleared payment.
US $25.00	US $10.00	Canada	Expedited Int'l Shipping	Varies for items shipped from an international location Seller ships within 1 day after receiving cleared payment.

* Estimated delivery dates include seller's handling time, and will depend on shipping service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.

Domestic handling time
Will usually ship within 1 business day of receiving cleared payment[newWindowTxt].

Return policy

Item must be returned within	Refund will be given as
30 days after the buyer receives it	Money back or item exchange (buyer's choice)

The buyer is responsible for return shipping costs.

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