Valve Headphone Pre Amplifier Class A MP3 ipod Laptop X

Pure Class A  Headphone Amplifier & Pre Amplifier

Hybrid ! Valve & MOS-FET in Use!!

Without any OP amp IC inside!!!

Audiophile Performance Design Absolutely!!!

What is the benefits come on?

It is a high value and cute headphone amplifier hook up to your PC / Mp3 /MP4/ ipod / any stereo device. You can have a  powerful, dynamic and sweet TUBE SOUND from your headphone ! You’ll 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.

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Circuit design reference by Indeed Hi Fi Lab
New 6N11 tube 1970-1983 made in Peking mark with , but never used.
In China means for military use (highest grade)
(we have carefully choose and test in Lab).
-Using Nichicon Caps and Dale resistor.
The each one of 6DJ8/6922/ECC88 is fully suitable for replacement with much difference musical taste chose by owner. (6DJ8/6922/ECC88 Excluding in this item for sale)!

Technical specification:

• In Put Power: DC24V 400mA

• Input Sensitivity:50mV

• Input Impedance: 100KOhm

• Out-Put Impedance:16~600 Ohm

• Dynamic range: 84.6dBA((300 ohm) 89.8dBA(33 ohm)

• Gain:20dB

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

• Minimum THD:  0.016%(300 ohm)  0.45%(13 ohm)

• Signal/Noise Ratio >90dB

• RCA 2CH Input X1

• 6.3mm 2CH Output X1

• Shipping Weight: 1kg

• Transformers AC100V ~AC240V50~60Hz 1.8A

• Dimension:80mm (D) X 80mm (W) X 48mm (H) not measure to tube and transformer.

Package Contents:  Also shown as photo below!

1. 1 x Headphone Amplifier
2. 1 x New Peking 6N11 tube
3. 1 x 1.5M AC power cord ( the plug depend on buyer country )
4. 1 x Switching Power Supply Universal AC 100V-240V~2A / 50~60Hz to 24V DC 2A out put
   (Auto-Detect International Compatible)
5. 1 x 1.5M Audio cable (3.5mm earphone plug to RCA)
6. 1 x 6.3mm to 3.5mm Gold coat earphone Jack adapter.

Attention:

This product is shipped by EMS (Worldwide Express Mail Service).

 Delivery will be more faster and belief than Standard Int'l Flat Rate Postage! (5days to USA and Australia)

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

A beautifully look acrylic plinth install in bottom and top!
It is low volts (24V) and low heat safe for family use