Pro-Ject Audio

Phono Box Ultra 500 // Chrome

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Product Description

Phono Box Ultra 500 is like no other phono preamplifier in its class. Limited to 500 pieces worldwide, it celebrates the 500,000th Phono Box that Pro-Ject has manufactured and shipped. The polished chrome surface outshines every competitor in this price range and offers undeniable aesthetics.

Underneath the surface, Pro-Ject has used a copper body known to have high qualities in protecting against high frequency interferences. The internal design has also been reworked to offer a fully discrete, OpAmp-less design, which enables Pro-Ject to realize an incredibly harmonious sound. On top of leaving out operational amplifiers, Pro-Ject decided to use polystyrene capacitors that significantly contribute to the high-end sound Phono Box ultra 500 offers. These capacitors are known amongst audiophiles as the holy grail for phono preamplifiers.

Product Details
  • ColorsChrome
  • Materials
    Aluminum, Copper
  • Measurements
    4.7"L x 4.5"W x 1.5"H
  • OriginCzechia

— Warranty: Manufacturer's 2 Years
— MM/MC Tube Phonostage With Discrete Circuitry & High-End Tube Sonics
— Limited, Exclusive Edition Of 500 Pieces
— Chrome Surface On Copper Chassis
— No Operational Amplifiers Used
— Audiophile-grade Polystyrene Capacitors
— Precise RIAA Equalization
— Switchable Subsonic Filter (–18dB @ 20Hz)
— Switchable Input Impedance/capacitance
— Four Adjustable Gain Levels
— Outstanding Sound Quality
— Handmade In Europe

— Input Impedance: 10, 100, 1k, 47k Ohms / 100pF
— Input Capacitance/impedance: 100pF, 200pF, 320pF And 420pF */47kohms B
— Input Gain: 40 And 43dB B / 60 And 63dB A
— Signal / Noise Ratio MM: 85dBV (90dBV – ‘A’ Weighted)
— Signal / Noise Ratio MC: 65dBV (71dBV – ‘A’ Weighted)
— THD: <0.0005% MM, < 0.004% MC
— RIAA-equalization Curve Accuracy: <0.4dB / 20Hz - 20kHz
— Subsonic Filter: At 20Hz With 18dB/octave
— Input: 1 Pair RCA/phono Sockets
— Line-level Output: 1 Pair RCA/phono Sockets
— Power Supply DC: 18V/500mA
— Power Consumption: 18V/80mA DC

— A: Typical For Low Output MC Cartridges, B: Typical For MM Cartridges Or High Output MC
— *Input Capacitance Is Irrelevant For Low Output MC Cartridges

Shipping Information
*Continental US only. Surcharges apply to HI, AK and Canada
  • Shipping Availability
    United States
  • Shipping Policy
    FREE Standard Shipping
  • Handling Surcharges
    $0.00 first item / $0.00 each additional ?
    This is for items that require some kind of special care, maybe because the item is too large and/or the item is coming internationally. These charges are only used to cover our own shipping costs and we keep these as low as possible.
  • Ship In
    2-3 weeks
  • Return Policy
    Final sale, not eligible for return or cancellation