New Thomas Mayer’s D3a Differential Phono Preamplifier will share the same circuit concept, only transformers and chokes will be adapted for the operating conditions of the triode wired D3a. Chassis layout follows the same vibration damped mounting of each tube socket. D3a phono preamplifier is transformer coupled, fully balanced comes with 600 Ohm LCR RIAA EQ.
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