One Pair LJM HI-END Ultra-low Distortion Sound Amplifier DIY Kits and

Channels : 2 (2.0) Model Number : One Pair L20.5 Maximum Power Per Channel : Above 200W Brand Name : Olive Leaf Certification : NONE Origin : Mainland China One Pair L20.5 DIY KITS and Finished Boards Dual Channels HIEND Ultra-low Distortion Audio Power Amplifier Note: You have tow choices for your order: DIY KITS include all the L20.5 dual channels components and PCB boards which need to solder by yourself; Finished board L20.5 dual channels AMP which have been rigorously tested by Audio Precision; Features: Ultra low distortion circuit, HIEND design standard. Adopt special CFP output and COSCODE input stage. Four pairs of original imported ONSEMI NJW 0302 0281 power tubes per channel. All components are brand new genuine, non-bulk goods, to ensure quality. Equipped with screws, insulation sheets, copper pillars, etc., only need to install the power tube and copper pillars by yourself. Parameters: Output power: 200W 8R, 400W 4R + -63V power supply. 125W 8R, 250W 4R + -50V power supply. 250W 4R, 500W 2R + -50V power supply Maximum output current 15A, output maximum voltage sine wave + -63V. (+ -65V power supply) Quiescent current 20MA per channel Static power consumption = power supply voltage * 0.02 (2W + -50V) Power Supply Voltage: +-24V to + -65V Recommended power supply voltage and radiator standard: + -35 to + -50V, radiator 0.5KG per channel + -40 to + -60V, radiator 1KG per channel Gain GAIN = 31 times Frequency response = 20-25K HZ -0.15DB. 10HZ = -0.7DB 20K HZ = -0.05DB THD+N + -35V THD =0.0015% IMD intermodulation distortion test = 0.002 (output power 50W 8 R) THD + N distortion map THD + N = 0.001-0.002% 20HZ-20KHZ output power 10W load 8 o