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This listing was ended by the seller because the item is no longer available.

 
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Details about  NEW MK3 Indeed Class A Valve Buffer Amp Amplifier 6922

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NEW MK3 Indeed Class A Valve Buffer Amp Amplifier 6922
NEW-MK3-Indeed-Class-A-Valve-Buffer-Amp-Amplifier-6922
Item Sold
Item condition:
--not specified
Ended:
Oct 03, 2012
Price:
US $97.99
[
History:
]
Shipping:
$25.00 Economy Shipping from outside US | See details
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Item location:
Indeed Hi Fi Lab China, Hong Kong

Description

eBay item number:
290526663917
Seller assumes all responsibility for this listing.
Last updated on  Aug 20, 2012 12:53:02 PDT  View all revisions

Item specifics

Brand:

Indeed+Hi+Fi+Lab

Amplifier%2525252BType: Buffer-Amplifiers
Type: Valve Tube%2525252BType: 6922EH
Amplifier+Type: Pre-Amplifiers
 

Indeed Valve Buffer Amplifier MKIII 

This is a highest cost/performance ratio buffer amp to up grade you Hi Fi system.

It is packing with 1pcs New electro-harmonix 6922EH tube made in Russia ,AC power supply

High performance (OFC) oxygen-free cupper 1.5M and 24K gold-coated connectors Audio signal cable without extra charge!!!

 

We have improved our new buffer amplifier MKIII as below:

A. ‘Dale’ resistors to used and drive in better performance.

It is high precision within 1%, metal oxidize film resistor with nonmagnetic and low noise. 

B.  ‘VBA’ high temperature 130'C / low ESR capacitors for power supply regular, it has much long life and stable, super high speed electro-discharge to improving the high frequency performance.

C.   We have renew the circuit design in Single-Ended, Class A with constant current control to triode tube. it responsive a very flat liner especially in low frequency.    

What is Single-Ended, Class A,?

Class A means that the power tube conducts the same amount of current all the time, whether idling or producing full power. Class A is very inefficient with electricity but usually gives very low distortion. This can be used to decrease the distortion of an amplifier. 

D. The input section has been designed to have an input impedance of one Meg Ohm.

This has two major benefits:.

1. High impedance inputs reduce errors at connector contact junctions.

2. High impedance inputs conserve the source unit's output drive current. Consequently more of the source unit's output current is available to drive the capacitance of the interconnecting cables, thus improving the high frequency performance and transient response. So there are too many famous Hi End brand Pre Amp label it has one Meg Ohm input impedance.

-Circuit design reference by Indeed Hi Fi Lab
-New electro-harmonix
6922EH tube made in Russia.

 (we have carefully choose and test in Lab).

-Using Wima ,VBA 130'C Caps and Dale resistor.

Recommended Usage:

• On the output of a CD player.
• In the tape loop of an integrated amplifier.
• Between a pre and power amp.
• From the front two channels of your HT processor or receiver
• Between your Phono Stage and your Preamp

 

It's my pleasure to response any questions about Hi Fi technology.

  Indeed Hi Fi Lab stands behind all of its products and services. Check our feedback and bid with confidence.

 

Features & Benefits

• High input impedance - Does not offer any loading to the source CD player and as a result it gives its best possible performance.
• Low output impedance - Drives any amplifier easily and ensures virtually perfect linearity.
• Low noise, low distortion, huge overload margin and wide bandwidth - Extremely clean sound with huge dynamic range.

-This nice tube amplifier can improve poor DVD/CD sounding, Let DVD/CD player
sound feel more sweet and smooth as silk!!!

Technical specification:
 

In Put Power: AC12V 800mA 50/60Hz

Input Sensitivity:0-5V

Input Impedance: 1 M Ohm

Out-Put Impedance:>5K Ohm

Gain:0dB

Frequency response:10Hz-60KHz +/- 0.25dB

Minimum THD >0.0025%

Signal/Noise Ratio >100dB

RCA Input X1

RCA Output X1

Shipping Weight: 1kg

Transformers AC100V / AC120V / AC240V build to order!

 

We are prepare four type 1000mA transformers for customer chosen.....

     Also suit for many country...USA. Europe. UK. Australia .Japan .Taiwan ...      

Dimension:

100mm (D) X 100mm (W) X 50mm (H) not measure to tube and transformer.

A beautifully look acrylic plinth install in bottom and top!
It is low volts (+/-25V) and low heat safe for family use
Which comment has been send from a user as below!

 

Positive feedback rating Incredible quality!!!! The best hifi upgrade in my life!!!! Buyer: Feb-25-11 04:01
  NEW MK3 Indeed Class A Valve Buffer Amp Amplifier 6922 (#290526663917)

Hi Peter.  

 Thanks for the incredibly fast postage! We picked it up today. It sounds excellent straight away, no need for me to 'burn
in' the valve - of course it may still get better, and I will experiment with other valves over time. But already the separation and presence of instruments have improved subtly, the beginning of sounds have a better 'shape', and there is added lustre. And absolutely no extra noise! I look forward to many hours of enjoyment. Thank you for your wonderful product
and service!

Regards, Peter.   390peter

 

This buffer is the sonic deal of a lifetime. 10 stars on quality .. WOW-thanks
Buyer:
06/13/09

 

Hi, received the product quite promptly and finally tested it on a
$200,000 plus sound system just yesterday. WOW !!! Well
engineered product and dead silent. It totally out performed a
custom made $1,200 buffer I bought recently. 5 stars comming up.
- incorpora 

Positive feedback rating Lightning fast shipping!The best tube buffer I have ever heard!!Ten star seller! Aug-23-10 23:01

  • Follow-up by highqualitymidfiguy (Aug-23-10 23:28):
    I have a $14,000system.Don't B put off by low price.Better than Eastern Electric
  NEW MK3 Indeed Class A Valve Buffer Amp Amplifier 6922 (#250675812424)

The packing come with  New electro-harmonix 6922EH tube made in Russia ,

(OFC) oxygen-free cupper 1.5M and 24K gold-coated connectors Audio signal cable.

110Vor220VAC 12VAC transformer .

 

Treat yourself better with better quality of sound.

Spend a little but get great result.

Add one to your Hi Fi system with it  NOW!!

All Packages include a tracking number search on web, FULLY insured, a SIGNATURE is required from buyer.

Please read the following policy before the happy bidding!

Important note:

Please email us your contact phone number when you send payment (or update your contact phone number in your Paypal account before you send payment).

We have some cases of package because the postal services in buyer's countries were not able to reach them.

Buyers are responsible for additional COD charges, VAT, Customs fees, and Duty for importation (if any). We ONLY handle the shipping to you.


 

Warranty:

 

       The warranty ONLY to the original buyers for a period of 2 months from the date of shipment from us.

 

       SERVICE UNDER WARRANTY:

       To obtain service, items must be returned in

  • The original packaging with all components included;

  • Purchaser's sales receipt;

  • Comparable substitute proof of sale showing the date of purchase and the serial number of items;

  • Settlement of return shipping fee.

       We will pay to ship the repaired item and repaired item will be warranted for equal to the remainder of the original Limited Warranty Period.

 

       WARRANTY DOES NOT COVER:

      1. Defects or damage resulting from accident, misuse, abuse, neglect, unusual physical, electrical or electromechanical stress, modification or any part thereof, or cosmetic damage;

       2.  Removal, alteration or defacing of the serial number or other identifying marks on the item;

       3.  All plastic surfaces and other externally exposed components that are scratched or damaged due to normal use;

      4.  Malfunctions resulting from the use of the conjunction with accessories, products or (ancillary) or peripheral equipment not provided in the original package; or

      5.  Defects or damage from unauthorized or improper testing, operation, maintenance, installation, servicing or adjustment of the System.


 

Return Policy:  

  • We provide full product price refund for any defective on arrival (DOA) item within 7 days from the date of purchase.

  • Shipping & handling charges are non-refundable.

  • Return shipping charges are to be borne by buyer.

  • Item must be returned in original packing. Include all items you originally received, in new condition.

Contact us:

 

    We are China commerce enterprise with our own affiliated factories. We have pointing office shipping the items to overseas.

 We are supplying many items to all over the world. High quality, reasonable price, considerable service,

reliable credit standing is our tenet. Thanks for shopping!

Questions and answers about this item

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