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rjm003 replied to the thread RJM Audio Sapphire Headphone Amplifier / Preamp Prototype Boards Available.Hey, thanks for the nice feedback. Note that there is/was only one version of the Sapphire 4. There have been a couple of minor changes... -
rjm003 reacted to Thunder240's post in the thread RJM Audio Sapphire Headphone Amplifier / Preamp Prototype Boards Available with
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A sapphire 4 (not sure which minor version) was at the Bay Area Audio Enclave hificon meet today in San Jose. I completely concur with... -
rjm003 replied to the thread RJM Audio Sapphire Headphone Amplifier / Preamp Prototype Boards Available.Kits and boards are available for $150/$25 US, respectively, including shipping. (link) Updates, feedback, questions, and discussion at...
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