This Aikido board could replace the original driver circuit of the Nishiki design. The 4 coupling caps (2 per channel) are already included on the circuitboard. Some test are done and a configuration using an ECC83 and ECC82 looks very promising. The use of an E180CC / 5965 did not bring the result I hoped for. Soon I hope to write about how it sounds and how it behaves in the 'real world'.
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