| The new C&C XO2 Headphone Amp! |
Sun, 20 February 2011 19:54  |
Racio
Messages: 4859
Registered: July 2010
Location: Greenhills, San Juan
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Senior Member |
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This particular headamp sounds so special, I felt it deserves its own thread...
The successor to the original XO which was launched in '07, the all new C&C XO2...
C&C XO2 Headphone Amplifier
[img width=579 height=600]http://img602.imageshack.us/img602/8898/ccxo2headamp.gif[/img]
Pic from http://www.taobao.com
Available in either black or silver...
This amp is so new in the market, its features and specs are yet to be available in English. Anyways, here's the site from Taobao.com: Tabao.com: C&C XO2 Headphone Amp
Using Google Translate:
C & C XO2 and C & C XO + major differences:
1: C & C XO2 is the development of XO and XO + 5 years sales experience, and feedback from many users on the basis of the proposed redesign of the circuit, adjust the structure, optimize the layout, each has improved significantly.
2: High-stop slew maximum output without distortion, there is a substantial increase compared with XO +, single-ended output voltage swing close to 24V, 300-600 European headset more easily drive to reach a new height of portable battery amp.
3: Super selection of pre-class amplifier, compared with the XO +, sound quality, more excellent performance, lower noise floor, greater resistance to RF interference.
4: The driver stage uses four high-precision constant current source of imports, precise control of 12 medium-power tube output array, the file mode with low resistance, high-performance before the high-impedance mode, a variety of load adaptive, dynamic performance has significantly improved .
5: The new design capacitor array composed of large reservoirs around the stage, the sound is more pure, high and low frequency extension wider. Large discrete capacitors within a total of 20, including solid-state capacitors 6, 1000uF16V fever, low resistance electrolytic 4, Siemens ... film capacitors 6, the total component count over 200.
6: The new design of the output current, short circuit, over current protection circuit, such as multiple, full protection of headphones and amp, better durability, the failure rate lower.
7: high-quality customized high-capacity lithium polymer battery pack, capacity increased by 40%, no signal or low battery power-saving features that make life longer and longer battery life. Life time: 60 hours at low impedance, high impedance 20 hours.
8: Choose the level of resistance headphones, four gain, 2 compensation, intelligent charging protection, 2 * 2-color indicator light, audio channel without coupling capacitors, etc. XO + classic design retained.
Again from Google translate (it's a good enough translation I guess):
C & C XO2 Features:
1. Professional design, high battery portable amp for low impedance headphones.
2. With the level of resistance selection + gain selector switch, to adapt to a broader context.
3. No coupling, the output capacitance, wide frequency response.
4. Special compensation for more perfect sound, low dive + sound field expansion of compensation to close the compensation, is a hi-fi amp wide adaptability.
5. In parallel with multiple power tube output stage, the output impedance is low, control and strong. High-impedance state to start boost circuit, the output distortion with high voltage and high impedance headphones to meet the driver demand.
6. ALPS volume potentiometer potentiometer using authentic, guaranteed quality.
7. High-performance lithium polymer battery, with full protection.
8. Built-in smart charging circuit voltage can listen to music while charging.
9. 1000uF x 4 pond design, power is more pure.
10. OP before the gold-plated DIP socket stage for easy DIY replacement OP, enjoy the different styles.
11. Maximum output power: 1000mW +1000 mW
12. Headphone Adapter Impedance: 8-600Ω
13. THD + N (total harmonic distortion plus noise): less than 0.01%
14. Frequency response :0-100kHz / 1dB
15. Long life: 60 hours low impedance, high impedance 20 hours
16. Pocket size, Size: 91 x 70 x 20mm (aluminum housing)
17. Weight (including batteries): 170g
18. Power :100-240V, 50/60Hz; 12V DC
Not only is this powerful amp has a whopping voltage swing close to 24v boasting 1w per channel amp all single ended, it's op-amp rollable as well! (I really need to start learning how to roll op-amps :-\).
Our brother Mike/Enygma let me snag off his pristine unit when he got back from China, here's a pic after wrapping it in cognac brown croc leather...
Needless to say, it can drive my L's most effortlessly.  )
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| Re: Th new C&C XO2 Headphone Amp! |
Sun, 20 February 2011 20:27  |
Mikado
Messages: 4184
Registered: July 2010
Location: Krung Thep
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Senior Member |
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[quote author=cdarcc link=topic=1942.msg88425#msg88425 date=1298204456]
This is a must try amp in the next meets and that cognac brown look is making me drunk just by looking at it ;D Too bad racio was not able to attend last night.
This is available only in China right?
lower noise floor - I'm not familiar with this, what exactly is it? Thanks.
[/quote]
if I understand this correctly it means that it should have lower hiss and has a blacker background even with higher sensitivity headphones and IEMs.
BTW, how much was the XO2 again? ;D
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That wooden box alone is worth the price of admission bro! I can't wait! Many many thanks again!!! 
