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U-Turn Pluto 2 Phono Preamp - Low-noise phono preamp for moving magnet cartridges

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Redesigned from the inside out
Pluto is back, and U-Turn added a few new twists like higher gain, active filtering, and an overhauled power supply. All in a sleeker and more compact package. These updates have also been implemented on the built-in version of our preamp, which is an option on all of our turntables.

Here’s some more detail on what's new:

Dual gain stage
Pluto 2 features a second gain stage - boosting the gain level from 36 dB (single stage) to 41 dB. Having this additional amplification at the start of the audio path rather than at your speaker/amp volume knob delivers higher output levels (louder playback) and minimizes distortion.

Active subsonic filter
U-Turn upgraded the subsonic filter on Pluto 2 to an active design that more accurately eliminates inaudible frequencies from your speaker’s workload. Certain vibrations (e.g. footfalls produced by walking near your turntable) might be inaudible to the human ear, but can still play through your speakers at the expense of efficiency. Their active filter keeps your music sounding more true to life by attenuating only the frequencies you don’t want to hear.

Redesigned power supply
With the help of a voltage converter, they’ve updated Pluto's grounding scheme to increase the stability of the circuit. This helps to push Pluto’s performance specs further with less crosstalk, lower distortion, and higher signal-to-noise ratio (SNR).

Fully shielded aluminum enclosure
U-Turn gave Pluto a facelift with a compact aluminum housing featuring precision-machined details. The enclosure keeps Pluto’s inner workings safe from interference and noise that can be introduced by nearby cables or electronics. Available in brushed black aluminum and natural aluminum.

New look, same great taste
The best parts of Pluto haven’t changed. They’re using the same RIAA equalization network and high-quality components like WIMA capacitors and precision film resistors. And of course, they still assemble each Pluto by hand in their Woburn, MA factory.

FEATURES

  • Elegant Circuit Design - High-performance gain stage and a subsonic filter to remove low-frequency noise.
  • Precision Components - RIAA equalization network consists of WIMA capacitors and precision resistors.
  • Aluminum Enclosure - High quality aluminum enclosure shields sensitive electronics from interference.

TECHNICAL SPECS

  • Input impedance: 47 kΩ
  • Input capacitance: 100 pF
  • Gain: 40 dB @ 1 kHz
  • THD+N: < 0.005% (A-weighted)
  • S/N ratio: 90 dB (A-weighted)
  • RIAA accuracy: ± 0.3 dB (20 Hz - 20 kHz)
  • Crosstalk: -89 dB (20 Hz - 20 kHz)
  • Dimensions: 3.85 x 4.5 x 1.4"
  • Weight: 10 oz

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov

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