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Hafler PH44 Phono SUT

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Hafler PH44 Phono SUT

Availability: In stock

USD $1,200.00
Each
Phono SUT, Jensen Transformer, 20dB gain, RCAs

  • Passive ‘amplifier’ for moving coil cartridges

  • Jensen Transformer equipped for ultra pure signal transfer

  • Hand wired for optimal performance and low noise

  • Two models for Denon and Ortofon type styluses

Product Description

Proudly made in North America, the Hafler PH34 and PH44 SUTs are passive devices that employ ultra high performance Jensen Transformers to boost the low-level signal produced by a moving coil cartridge by as much as 31dB without any amplification or the associated noise that they produce. Jensen wrote the book on transformer technology and for over 40 years has gained the accolades of being the world’s most respected and revered audio transformer manufacturer.

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, each Jensen transformer is double shielded with heat treated (annealed) nickel composite cans and supplemented with internal Faraday shielding to deliver over 120dB of hum rejection at 60Hz. And with less than 0.05% distortion, virtually zero phase shift and a frequency response that spans 10Hz to over 100kHz, you can rest assured that the signal transfer is pure and uncoloured.

Designed to optimize the performance of any given stylus, the PH34 employs a Jensen JT-34K-DX transformer with a 1:37 turns-ratio that adds 31dB of gain for Ortofon type cartridges (5 Ohms typical) while the PH44 employs a Jensen JT-44K-DX transformer with a 1:10 turns-ratio that adds 20dB of gain for Denon type cartridges (45 Ohms typical). Since the Hafler PH34 and PH44 are designed for the purist, there are no controls. One merely connects the turntable to the SUT and sends the output signal to a standard phono input on the receiver or preamp. The Halfer SUTs quietly do the work without adding noise, distortion or artifact.

Circuit:Passive transformer based design
Inputs:Gold plated RCA
Output:Gold plated RCA
Impedance:Optimized for 45 Ohms stylus
Gain:20 dB

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