RMS Audioworks
Custom High End Tube Microphones 

AC701 & VF14 FET

In addition to our VF14ER, we are also now offering FET replacements for the classic Telefunken AC701 and VF14M tubes.  These tubes are made and manufactured by Phaedrus Audio of the UK. and now sold by RMS Audioworks.  After testing these tubes, we were amazed at their high quality design and sound.  If your AC701 or VF14 is noisy or you simply want to fit in these tubes for daily use to preserve your investment, contact us for pricing. 

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