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Pro-Ject Phono Box RS2 - Phono Stage

£1,399.00

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Colour: Black

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The Pro-Ject Phono Box RS2 is a high class phono pre-amplifier. It is fully balanced from the input to the output. Electronics are also fully discrete, no op-amps are in use and it uses split passive RIAA (Recording Industry Association of America) and DECCA equalisation.

Discrete Circuitry

A discrete circuit is composed of electronic components which are disparate, individual devices, also called discrete components. These can be “passive” components, like resistors, capacitors and inductors, as well as “active” components, which in our case are transistors.

The opposite to this would be an integrated circuit, which uses operational amplifiers (Op-Amps) in the signal chain. Countless hours of listening tests and years of experience have shown us that even the very best Op-Amps do not tend to be so neutral, natural, dynamic or vivid. Standard phono pre-amplifiers with integrated circuits have a few tens or hundreds of components, but discrete designs will employ hundreds or thousands of components by comparison.

That makes for an extended and more costly design process, but results in the best sound for your money.

Fully Balanced

The Pro-Ject Phono Box RS2 employs a true fully balanced design principle. Balanced transmissions consist of a hot and a cold (also called + and -) signal. Both the + and – signal chains effectively carry the same musical information. A true balanced amplifier can now extract the final musical information out the +/- signals and subtract, remove, all noise that could potentially be added along the transmission.

In a true, fully balanced amplifier, like the Phono Box RS2, the + and – sections of both the left and right channel are treated individually, which doubles the amplifier sections by 2 as a result.

Split Passive EQ

The Phono Box RS2 uses split passive equalization for both of its RIAA and DECA curves. This is more costly to design and implement but ensures the most accurate representation of the ideal EQ curve. Split passive equalization allows for better impedance matching and lower deviation from the ideal RIAA or DECA curve.

Extreme Cartridge Loading Options

No other phono-preamp in the world has such fine options of setting the gain like the Phono Box RS2. Very large ranges from 40dB (voltage amplification by 100x) up to 70dB (voltage amplification by 3690x) are possible.

Load impedance can be set continuously via potentiometer, a system invented by Pro-Ject Audio Systems. It allows you to seamlessly adjust the impedance during playback and immediately assess the impact of different loading options.

Cartridges, by nature, suffer from small imbalances between the left and right channels. To correct this the Phono Box RS2 introduces a new feature that is absolutely rare in this price category. A potentiometer allows you to adjust the exact center of the sound stage in ranges of 2dB to the left or right.

Steel/Aluminium Chassis

The Phono Box RS2 has a steel chassis which is covered by screwed aluminium panels. This construction brings very good rigidity and splendid isolation against interferences.

Features

  • MM & MC Capable
  • Fully balanced, true dual mono design
  • Fully discrete hardware design - NO Op-amps!
  • Fully passive RIAA & DECCA equalisation
  • Balanced XLR & unbalanced RCA In & Outputs
  • Unique continously variable input impedance loading and channel balance control to match every cartridge to 100% (adjustment even while playing)
  • Superior low noise / low distortion
  • Metal casing protects against vibration and interference

Technical Specifications

  • Input Impedance: Fixed 47kohms, variable 10 - 1000 ohms
  • Load capacity switchable: 50, 100, 150, 200, 250, 300, 350, 400 pF
  • Gain MM: RCA: 40, 43, 46, 50 dB (+6dB using XLR)
  • Gain MC: RCA: 60, 63, 66, 70 dB (+6dB using XLR)
  • Signal to noise ratio: MM (40dB): 89dB A-wt (10mV); MC (60dB): 79dB A-wt (1mV)
  • THD: < 0.0015% (MM 40dB, 1kHz); < 0.0024% (MC 60dB, 1kHz)
  • RIAA accuracy: within 0.4dB/20Hz - 20kHz
  • Subsonic: at 20Hz with 18dB/octave
  • Inputs: RCA & XLR
  • Outputs: RCA & XLR
  • Power Supply: 20V/3A DC; 110 - 240V, 50/60Hz
  • Power Consumption: 350mA DC < 1 watt standby
  • Dimensions W x H x D (with sockets): 206 x 72 x 200 mm
  • Weight: 1600 g without power supply

Further Information

Pro-Ject Phono Box RS2 - Phono Stage - User Manual

Pro-Ject Phono Box RS2 - Phono Stage - Product Information

The products we use and sell are of the highest quality and we trust them wholeheartedly, but every now and again a product has a fault that is covered under the manufacturers warranty.

In the event of such an occurance please contact us via email at info@studioincar.co.uk to proceed with the warranty process.

Below is a list of all the Manufacturers warranty timeframes with any special instructions for extended warranties:

AudioControl

  • 5 Years with Installation by an Authorised Installer (Studio Incar is an Authorised Installer)
  • 1 Year if you are doing your own Installation
  • 2 Years if you register the product with the UK supplier

AudioLab

  • 2 Years standard Manufacturers warranty

Audison

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

Blackvue

  • 6 Months standard Manufacturers warranty

Blaupunkt

  • 1 Year standard Manufacturers warranty

Chord Company

  • Lifetime Warranty

Dynaudio

  • 2 Years on Car Audio Products - No Extendable Warranty
  • 2 Years standard Warranty on Home Audio Products
  • up to 8 Years Extendable Warranty on Home Audio Products when you register at Dynaudio

Focal

  • 1 Year Standard Manufacturers Warranty
  • 2 Years Extended Warranty when registered with Focal

Hegel

  • 2 Years Standard Manufacturers Warranty

Hertz

  • 1 Year standard Manufacturers warranty
  • 2 Years if you register the product with the UK supplier

HiFi Rose

  • 2 Years Standard Manufacturers Warranty

JL Audio

  • 1 Year for Speakers and Subwoofers
  • 2 Years for Amplifiers and Processors

Peachtree Audio

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Peachtree

Pro-Ject

  • 2 Years Standard Manufacturers Warranty
  • 3 Years Extended Warranty if Registered with Pro-Ject

Q-Acoustics

  • 4 Years for Passive Loudspeakers
  • 1 Year for Active Loudspeakers / Subwoofers
  • 5 Years for Passive Loudspeakers if Registers with Q Acoustics
  • 2 Years for Active Loudspeakers / Subwoofers if Registered with Q Acoustics

SolidSteel

  • 1 Year Standard Manufacturer Warranty

Sony

  • 1 Year Standard Manufacturer Warranty

Wharfedale

  • 2 Years Standard Manufacturers Warranty
Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday
January,February,March,April,May,June,July,August,September,October,November,December
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