BRZHIFI Reference Da Xiao Line 108 No Negative Feedback Amplifier Circuit Post-stage Household HIFI Power Amplifier

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The highly acclaimed NHB-108 minimalist broadband circuit features a unique revolutionary design with strong current output capability. There is no global negative feedback, no negative feedback or compensation network in the input and output stages, and an open-loop design in the output stage. There are only 6 transistors per polarity in the entire signal path. The latest SCNP enhanced version of darTZeel provides better signal timing and huge current peaks.

The production process uses a silver tin wire white light soldering station for static free soldering. Distortion, signal-to-noise ratio, separation, and sound quality testing are all carefully monitored by dedicated personnel to ensure foolproof performance.

There is currently a version of the direct cut dual parallel amplifier tube, which changes the output tube from one pair to two pairs, reduces internal resistance, increases output current, and has better low-frequency control

Material selection:
1. High imitation all aluminum process chassis, with a straight cut version weighing about 26KG kg and exquisite appearance
2 oxygen free copper 300w ring transformers, independent power supply for left and right channels, ensuring sufficient separation and energy
3 classic versions with 16 original ELNA AUDIO 10000UF capacitors forming a filtering array, and 4 direct engraved versions with Sibi or BC 75V39000UF capacitors
4. Japan Omron horn protection circuit and high-power soft start circuit. Ensure that both the machine and speakers are operating in a safe state

Input Impedance: 100K ohms
Line Gain:+26dB
Total harmonic distortion+noise (THD+N): -100dB@no load ; -60dB @8ohm
Separation (CrossTalk): -125 dB
Signal to Noise Ratio (SNR): 115dB
Freq. Response: 10Hz~20KHz
Output power (Max. RMS Power): 150W @ 8ohms; 200W @4ohms
Overall size: 440x330x160 (W * D * H)
Weight: 28KG (direct engraved version with packaging)

Width 440mm x Depth 380mm (including front and rear handles 410mm) x Height 160mm (straight cut version)