New G2 Class A Hybrid Tube Headphone Pre Amplifier 6922

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New G2 Class A Hybrid Tube Headphone Pre Amplifier 6922 Picture(s) and Description:

? New Version G2 Indeed Valve Class A Hybrid Headphone/Pre-Amplifier This item is selling in electro-harmonix 6922EHvalve tube Product Description Payment & shipping New product by Indeed Hi Fi Lab Pure Class A Headphone Amplifier & Pre Amplifier Hybrid ! Valve & MOS-FET in Use!! Without any OP amp IC inside!!! Audiophile Performance Design Absolutely!!! Our Indeed headphone amplifier is different to others. A/ High grade Caps & Dale resisters, ALPS volume in use. B/ High cost Large 24V2A low noise adapter with grounding. C/ Precision select 6922 valve, also match R/L channel within 1dB out put differential. D/ We are the original designer; the old version sell hundreds and very good feedback in history! 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. 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 Elna Caps and Dale resistor. The each one of 6DJ8/6N11/ECC88 is fully suitable for replacement with much difference musical taste chose by owner. (6DJ8/6N11/ECC88 Excluding in this item for sale)! FAQ Q: what is Class A ? A: Class A means that the power tube conducts the same amount of current all the time, whether idling or producing full power. Therefore, it will be high temperature from power MOS FET in normally. Class A is very inefficient with electricity but usually gives very low distortion. This is to decrease the distortion such as a high-end amplifier. Q: Can I change the 6DJ8/6922/6N11/12AU7/6N23P...... tube to improve the sound quality? A: The each one of 6DJ8/6922/ECC88 is fully suitable for replacement with much difference musical taste chose by owner, but it is not 100% improve the sound quality absolutely; some time it can change to the favorite sound by carefully chose; a precession selects and checking is most important. Never superstition to the high price tubes!! Technical specification: In Put Power: DC24V 900mA Input Sensitivity:50mV Input Impedance: 100KOhm Out-Put Impedance:12~600 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 >92dB RCA 2CH input X1 / 3.5mm 2CH input socket X 1 / RCA 2CH output X1 6.3mm 2CH Output X1 Shipping Weight: 1kg Transformers AC100V ~AC240V50~60Hz 1.8A DC output 24V2A It has a ferric filter ring on DC power cord to reduce noise; much high performance than other similar product. Dimension:100mm (D) X 100mm (W) X 50mm (H) not measure to tube and transformer. We accept Paypal only,it is fast, easy and safe. ? 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. The item will be shipped via Hong Kong Registered Air Mail with tracking number to trace on web and marked as gift. Please allow 2 to 3 days on processing for the order. 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 US$25 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. 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. We are can also be reached via email at csdam@126.com. Thanks for shopping! It's my pleasure to response any questions about Hi Fi technology. Chat in skype "indeedcsdam".thanks What is different coming? G2, it has grown up from old version Indeed Valve Class A Hybrid Headphone/Pre-Amplifier, we does not satisfy to let it improve only! We have modified to generation II now, so that we call it G2. 1/ Output signal also15 seconds delay when power on, it is important to reduce the ‘pop’ pulse, safe to your ear and speakers. 2/The thick of PCB increase to 1.8mm with carefully design grounding, the RF pollution and noise ratio also improved. 3/ There are ALPS signal selector, long life 10000times power switch, heavy duty I/O parts & switches to use. 4/ It is good news to ‘tube roll’ people, easy to change the tubes with switch (bias adjust is necessary), 6 series for 6DJ8/6922/ECC88/6N11/6N23P; 12 series for 12AX7/12AU7/12AT7/6N4……also too many choose by owner right now. 5/Ultra large current Class A output design, it can drive the low impendence headphone in 12 Ohm loading; a very deep and powerful bass you will be hear ! 6/ Audiophile Performance Design Absolutely! It can direct hook up to power amplifier such as Pre Amp to use; it will kill any pre amp with US$1000- price (may be higher)!! --- Click in More comment to Forum --- "Dale" resistors is very high cost than other similar product, it working most stable in long life and also sounds… • Precise pin pointing focus. • Equal resistance (L/R) all the way. • Deeper depth and sweeter vocal. • Cleaner bass and sweeter treble. • Sound image is much improved. Pin point image!!! If you would like to take total care of your amp, resistors are the first one to be focused. Resistors are used more of any other components in an amp circuit, therefore each small impact can make a big difference in total. Package Contents: Also shown as photo ! 1 x Headphone Amplifier 1 x electro-harmonix 6922EH tube made in Russia 1 x 1M AC power cord ( the plug depend on buyer country ) 1 x Switching Power Supply Universal AC 100V-240V~1.8A / 50~60Hz to 24V DC 2A out put (Auto-Detect International Compatible) 1 x 6.3mm to 3.5mm Gold coat earphone Jack adapter.