Assembled NX-03 Headphone Amplifier Board Base On Italy RudiStor NX03 Amplifier
(include transformer and ALPS blue Potentiometer)
transformer works voltage:AC110V or AC220V
PCB Specifications: 206 * 185mm * 1.6mm
Maximum output power: 1.5 W (16 ohm load)
Match headphone impedance: 4-1000 ohms
Maximum Conversion Rate: 32 ohm 16vpp
Gain: 15 db
Frequency response: DC-100,000 Hertz less than 0.15 db
Background noise: Less than -113 dB
Total harmonic distortion: less than 0.003% (13vpp, 32 ohms)
The main materials: All capacitors use genuine ELNA.BBOPA2134 op amp. 15W BingZi sealed transformers. ALPS 27 type potentiometer.the power Transistor is original imported ST TIP3055. Power part ST TIP2955.
Note: this is a assembled & tested board.you received will same as the photo show.
we can provide the parts list via email.