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| Bulletin Borard |
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FubarIII USB DAC with Headphone Amp.
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Cute Curve Headphone Amplifier
Cute curve is a kind of Class-B Headphone Amplifier with push-pull structure, and low noise/low distortion features.
Adopting both Series and Shunt types can let the users select their ideal type of Volume Control. High electric current output can pretty much drive headphones of any impedance. OP amplifier can be changed by yourself to turn the tone. Using Cute Curve can easily make you enjoy high-quality and awesome sound.
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| Specification |
* Amplifier Structure : Coupling capacitor less, Push-Pull with Class-B
* Power Structure : Virtual-Ground power supply
* Gain Control : Low (attenuation 20dB) / High (normal)
* Volume Control : Series / shunt mode selectable
* Headphone Impedence : 32 ohm to 600 ohm
* Circuit Protect : Output short / over current protect
* Main OPAmp : TI ¡V OPA2604
* Servo OPAmp : TI ¡V TL072
Audio Performance (1kHz sine wave, 2Vrms output)
Frequency response (From 40Hz to 15kHz) : 40Hz +0.01dB, 15kHz -0.02dB
Noise level (1kHz, A-Weighted) : -104.7dB
Dynamic range (1kHz, A-Weighted) : 104.6dB
THD% : 0.0018%
Stereo crosstalk : -90.0dB
Connectivity
* Line Input : 1 of RCA jack
* Line Output : 1 of 6.4mm phone jack
System Requirements
* Using in any equipment with Line-out or Pre-out function
Package Contents
* Curve
* DC24V 0.5A power adapter
* User manual
* Warranty card
* Wrench
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