McIntosh

Tubes4Hifi Ph16 Premium Phono Preamp

Description: From the website: This is a premium grade phono preamp with several enhancements in the circuit design and power supply. This product is for someone that wants the ultimate tube phono preamp, but doesn't want to pay $2500 or more for an Audio Research PH6 or PH8. The 1st gain stage is our proven super-low noise JFET current source driving a 6922 amplification stage with the 50Hz and 500Hz poles of the RIAA filter. The 2nd gain stage drives the 2122Hz RIAA pole of the RIAA filter. Both of these stages are supplied with a regulated B+ voltage, one for each channel. The 3rd and final stage is comprised of an AIKIDO style output buffer, with it's built in PSRR circuitry, and this is also supplied with a regulated B+ voltage, one for each channel. This stage gives a low output impedance of around 450 ohms and isolates the phono amp from interconnects and further amplification. The B+ regulators also reduce PSRR by about 60db, with near zero ripple current from the power supply Overall, this design delivers the sonic goods. It offers high amplification, super accurate RIAA EQ, low distortion, low output impedance, a great PSRR figure, and feedback-free amplification. All resistors are low noise mil-spec RN55 type or better. This board has DIP switches to set the correct load (resistance and capacitance) for the input cartridge. Resistance 68K, 47K, 33K, 1K, 470, 330, 220, 100 Capacitance 100pF 68pF 33pF Info for the SPEC nerds This is the completed assembled kit. Kit retails @ $800 while assembled version comes to $1150 as per website. You can do your own upgrades (this was the upgraded version) including caps, tubes, etc. Will come with tubes and rectifier that came with kit as well as power cord and instruction manual.

Price: 500 USD

Location: Suffolk, Virginia

End Time: 2024-12-10T18:17:01.000Z

Shipping Cost: N/A USD

Product Images

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Item Specifics

All returns accepted: ReturnsNotAccepted

Brand: Tubes4Hifi

Type: Phono

Model: PH16

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