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Atma-sphere MP-3 Preamplifier with Jensen 347 MC Transformers

NOTE TO READERS: (Year 2006) Atma-sphere has been asked repeatedly over several years to comply with 10 Audio's policy on quotes (please see the bottom of the Home Page). They continue to refuse this simple courtesy.

Audio Horizons “More Than a Fuse” Fuses

Audio Horizons Platinum Reference Fuse

Audio Horizons Platinum reference FuseFuse "upgrades" never really turned me on (pun intended). I have tried aftermarket fuses from AMR, Audio Magic, and Synergistics and each was an improvement over stock fuses.

Bob’s Devices CineMag 1131 Blue Step Up Transformer

I can sum up this review right now: Turn it up! Loud has never sounded so good!

Bob’s Devices Moving Coil Step-Up Transformer

The idea of using a step up transformer between a moving coil phono cartridge and an active phono preamplifier seems like an ideal solution for boosting the tiny voltage from the cartridge. A step up provides needed gain for the microvolts produced by a phono cartridge, and also provides the proper load for the cartridge’s impedance.

DIY "Jensen 44" MC Step-up Transformer

Several years ago, I borrowed an Air Tight ATH-1 moving coil step up transformer and it changed my life. Well, maybe it was not a life-altering experience, but in audio terms, the audition was significant. The Air Tight sounded exceptional, adding a noticeable amount of richness and depth of tone. It also seemed to provide a better load for the moving coil cartridge.

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