Archimago's Musings: MEASUREMENTS: Melody Onix SP3 Mk. II (~2006) Class AB Tube Integrated Amplifier. (And it isn't "diminishing returns" on sound quality, often there are simply "no returns".)
Kappa myth hi-res stock photography and images - Alamy
Dc12v High Power 2*300w Stereo Japanese Original 5200 / 1943 Ttc5200 Tta1943 Pure Post Stage Amplifier Board - Home Theater Amplifiers - AliExpress
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