Unlike most vacuum tube pedals by other manufacturers, the NuVision utilizes a 100% pure vacuum tube audio path operating at high voltage.  There are no transistors or clipping diodes in the audio circuitry of this pedal.  The NuVision is a limited release instrument preamp pedal.  It features a pair of new old stock nuvistor vacuum tubes and an interesting passive EQ circuit.  Designed to run on a standard 9v DC adapter (300mA+), the pedal boosts the voltage internally to 200v to run the tubes at their ideal plate voltage for the big headroom and responsive feel of a tube amp.  Designed, assembled, and hand wired by the good wizard himself. 

Review by Talk Bass.com

Demo by Delicious Audio

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Review by Premier Guitar

Review by gearnews.de

Review by bassic.de

NuVision

The 23Fe was developed in 2023 in an effort to create a really bad transformer, while retaining somewhat of a decent frequency response, minimal insertion loss, and a robust enough build to handle getting tossed around without breakage.  Technically speaking, the worse a transformer performs, the more colorful it is.  Unfortunately with the 23Fe, it had a bit too many issues, so a revision was necessary.  During the manufacturing phase, the 23Fe had a 40% failure rate, which is obviously not good.  Furthermore, during the warranty period about 4% failed - also not good.  About 2% were returned because the buyer found it to be noisy and a small number of people reported they felt it was... believe it or not, "too colorful".  I can't please everyone, but I'm really trying with the new 23Fe+. 

23Fe+

23Fe+ by Lightning Boy Audio

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