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About the 525
The Soulution 525 is a high-end stereo preamplifier built in a dual-mono layout, borrowing technology from Soulution’s flagship 725. It uses relay-switched Vishay Dale resistors for precise volume control, with a temporary IC-based control during switching to avoid clicks and level spikes. The preamp offers balanced and unbalanced inputs and outputs, very wide bandwidth, extremely low distortion, and a powerful output stage intended to drive long cables and demanding downstream amplifiers.
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