The distortion and noise of this line is much lower than the average circuit, so the circuit looks less simple and slightly complicated, the purpose is low distortion and low noise. This differential amplifier circuit is fairly simple.
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This is the PCB of a very low distortion preamplifier(Gain=2) that can convert an unbalanced signal to a balanced signal. 1x Unbalanced to Balanced Pre-amplifier Bare PCB. The PCB has a board thickness of 1.6mm, and copper thickness of 70um.
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Good working unit Nice condition
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Unbalanced inputs, unbalanced outputs. Balanced input, unbalanced outputs. Unbalanced inputs and balanced outputs. Each channel contains NE5532 for low noise /low distortion signal processing. The balanced input/outpu Cannon sockets are already mounted on the board.
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THIS IS THE PCB-ONLY VERSION. NO COMPONENTS ARE SUPPLIED EXCEPT THE INSTALLED OPA1652 IC ! The OPA1652 boasts an impressively low noise density of 4.5 nV/√Hz, which ensures even subtle audio details are amplified with clarity, making it ideal for high-fidelity applications.
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See for yourself what the incredible can do for your sound. Praised by audio engineers the world over, the OT-2 provides superior signal isolation from local AC and RF hum, and the ultimate in impedance matching.
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Stereo conversion board has the characteristics of unbalanced to balanced, dual channel, stereo, and low distortion. Made of high quality PCB, the connection of components is smoother and the performance is more stable.
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