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Everything in Music Since 1958
Everything in Music Since 1958

Hafler PH50 Phono Stage Preamp

by Hafler
Sold out
Original price $399.99 - Original price $399.99
Original price
$399.99
Default Title: $399.99
Current price $399.99
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In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

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█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions


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New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

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Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

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Hear The Music The Way It Was Intended To Be Heard With The Hafler PH50 Phono Preamp

The Hafler PH50 is a high-performance phono stage for moving magnet (dynamic) cartridges that incorporates a well defined RIAA curve to preserve and transmit the original program material with minimal coloration. Particular attention has been applied to reducing noise, a problem common to the 33 RPM recording chain, resulting in a low -82dB noise floor with greater than 91dB of dynamic range and less than 0.002% distortion.

The design begins with a 14 gauge steel casing to shield the low level signals from external magnetic fields and RF contamination. Gold-plated input and output RCA connector pairs are employed that will not tarnish over time, thus optimizing signal flow. Inside, the solid-state circuit and military grade PC board have been optimized by carefully positioning parts for minimal self-noise and cross-talk and then supplemented with a ground plane to reduce susceptibility to RF. An external supply further reduces noise by removing the power transformer from inside the casing.

Front panel controls include a power on-off switch and a variable low-cut filter that may be inserted into the signal path when needed. The fully adjustable low cut (high-pass) filter enables the user to reduce low frequencies that can cause resonance and feedback when playing music at higher levels. This helps eliminate both airborne and solidly coupled transmission of vibrations that can disrupt the stylus and cause feedback, rumble and distortion.

Compact yet ‘plug and play’ easy to use, the PH50 follows Hafler’s 50 year tradition of building the very finest audio products.



  • Phono stages for moving magnet cartridges
  • Ultra low noise transformerless design
  • Variable high-pass filter to eliminate rumble
  • Plug and play easy to set up and use
  • Controls: Low pass cut off
  • Switches: Low pass ON, power
  • Low-cut filter: 20Hz to 500Hz
  • Filter Slope: 12dB / Octave


  • Audio circuit type: Active operational amplifier
  • Frequency response: RIAA curve
  • Total harmonic distortion (THD+N): 0.008%
  • Dynamic range: 91dB
  • Input impedance: 47K Ω
  • Maximum input: -21dBu
  • Gain: 35dB
  • Clip level - output: +12dBu
  • Output impedance: 400 Ω
  • Equivalent input noise: -79dBu
  • Noise floor: -79dBu
  • Intermodulation distortion: 0.04%


Manufacturer: Hafler
Model: PH50
SKU: I426462-N-0-WHXD
UPC: 676101043873


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