Audio Research introduced the PH8 vacuum tube phono preamplifier that benefits from a number of circuit and parts improvements derived from their REF Phono 2. Rather than using the four 6922s of it ...

If you’ve wondered what a preamplifier is, what it exactly does, and whether your audio setup is missing one, we’ve got the ...

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The Audio Research Reference 330M amplifier has double the output of the firm's previous valve flagship. Expect to pay around £92,000 in the UK, $90,000 in the States. You can't accuse the engineers ...