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SpacEND 300B The main power supply design of the dynamic headphone amplifier adopts a 300 watt British dual C iron core single crystal copper wound power transformer structure.
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to-noise ratio, a CLC filtering circuit with six chokes has been introduced, along with a front stage circuit voltage stabilizing circuit. The rectifier section uses four American original MR760 diodes, and the high-voltage filtering capacitor uses six Japanese original Nichicon KX fever high- voltage capacitors, ensuring pure, high-speed, and high-energy amplifier power supply.
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电源机箱尺寸:430mmx410mmx150mm Technical Specifications Adaptable Headphones:Dynamic earphones Headphone impedance output:32 ohms, 150 ohms, 600 ohms Front stage line output:RCA(600 ohms) Type of Electronic Tube: ECC81*2、 ECC802s*4、 300B*4、 274B*1 Output headphone power:4W(600 ohms) THD+N:< 0.12% Testing Conditions:THD+N,input:2V rms;RZ:600 ohm; BW:DC—20KHz A-weighted Signal Input: XLR Balanced Input *1 and RCA Single-ended Input *1 Input Voltage:AC 110-220V Adjust the input voltage through the input voltage switch...
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Working Point Adjustment When replacing electronic tubes and conducting one-year regular maintenance, it is necessary to adjust the operating points of the host V1~V4 to meet the requirements of the highest signal-to-noise ratio. Specific operating steps: 1. Insert the earphone volume potentiometer to the minimum, turn on the main power supply of the earphone amplifier, and start adjusting after the output indicator light is on;...
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meter light off), and complete the adjustment of the working point. Note: It is better to adjust to use high sensitivity and low impedance headphones. Warranty The whole set is guaranteed for one year. Any tube damage caused by external force is not covered by the warranty. It is responsible for the maintenance for five years after the model is discontinued Accessories 1.
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(AC220/100 volts) and wait for LEAST 3 minutes 3. When the main unit is repeatedly connected to the power supply, the interval between the two SHOULD NOT be less than 5 minutes SpacEND 音响工作室 Made in Shanghai www.yeaudio.com 11 / 11...
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