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The C-47 is the first phono amplifier of this series which realizes a fully balanced configuration from input to output. The resulting product is highly impervious to external noise. It features a dedicated head amplifier optimized for the characteristics

Accuphase C-47 Stereo Phono Amplifier

A set of newly added dedicated balanced MC phono inputs enables balanced connection to the analog record player. By bringing out the full performance potential of each phono cartridge, the C-47 delivers a rich and deeply satisfying musical experience.

One dedicated balanced MC phono input and three sets of regular phono inputs

Separate settings memory for each input position

Balanced and line level output connectors

Separate toroidal power transformers for left and right channel

Low-noise regulated power supply circuitry unaffected by load fluctuations

High-accuracy phono equalizer with RIAA deviation of only ±0.3 dB

Load impedance settings for six MC and three MM phono cartridge types

7-segment LED indicator shows load impedance

Gain selector for low-output phono cartridges

Disc equalizer assembly using glass cloth fluorocarbon resin PCBs with low dielectric constant and low losses

Elegant side panels with natural wood grain finish

The C-47 is the first phono amplifier of this series which realizes a fully balanced configuration from input to output. The resulting product is highly impervious to external noise. It features a dedicated head amplifier optimized for the characteristics of MC and MM phono cartridges, and a high-accuracy equalizer amplifier, ensuring precise equalization with a minimum of noise.

The JC 3 Jr. is John Curl's ultimate value-engineered phono preamplifier. John Curl has designed acclaimed phono stage preamps for Vendetta research, Constellation Audio, Audible Illusions and for Parasound, whose JC 3+ is a Stereophile Class A Recommende

Halo by Parasound® Phono Preamplifier

Circuitry designed by legendary John Curl

Variable MC impedance adjustment of 50-550 ohms

Gain select for 40 dB/50 dB/60 dB unbalanced (46 dB/56 dB/66 dB balanced)

Mono switch can improve sound of mono & older LPs

Incredible S/N up to 94 dB and THD less than 0.02%

Aluminum shield separates power supply and audio circuits

High speed-soft recovery bridge rectifiers and common mode inductors

Neutrik brand locking balanced XLR outputs connectors

40 dB / 50 dB / 60 dB (unbalanced output)

The JC 3 Jr. is John Curl's ultimate value-engineered phono preamplifier. John Curl has designed acclaimed phono stage preamps for Vendetta research, Constellation Audio, Audible Illusions and for Parasound, whose JC 3+ is a Stereophile Class A Recommended Component. The JC 3 Jr. is his most affordable...ever. 

Power On Consumption (watts):

Power Off Consumption (watts):

Missing a phono input in your audio system? Well, take those LPs out of storage, the Zphono is here! This elegantly simple and affordable component allows your turntable to be used with any preamplifier or receiver with sound quality that does full justic

Parasound® Zphono Phono Preamplifier

Switchable gain for moving magnet or moving coil cartridges

Exclusive AC polarity switch to eliminate hum

Audiophile grade resistors and capacitors

Unique half-rack width chassis; 1 rack space high

Missing a phono input in your audio system? Well, take those LPs out of storage, the Zphono is here! This elegantly simple and affordable component allows your turntable to be used with any preamplifier or receiver with sound quality that does full justice to your record collection. Long live vinyl!

Analog Audio(RCA) Output:

This ultra low noise and distortion preamplifier is made for the audio conniosseur and offers not only breathtaking performance but is capable to adapt to virtually any phono cartridge through variable impedance control. Impedance adjustment can be done w

Pro-Ject Phono Box Silver Preamplifier

Due to use of best parts, like SSM2019 from Analog Devices as input stages and Linear Technology LT1010 as high current buffer stage, Phono Box RS delivers ultra low levels of distortion and noise. Its very low output impedance makes it insensitive to selection of interconnect cables and lengths.

Fully passive RIAA and DECCA equalization is selectable. Phono Box RS offers fully balanced circuitry and both XLR and RCA inputs and outputs. All in all vinyl playback will never have sounded as clear, detailed and smooth, than with this superlative phono stage!

Balanced XLR & unbalanced RCA In & Outputs

Unique continuously variable input impedance loading, matches every cartridge (adjustment even while playing)

Metal casing protects against vibration and interference

*Back Is For Visual Purposes Only, Black is Sold Separately.

This ultra low noise and distortion preamplifier is made for the audio conniosseur and offers not only breathtaking performance but is capable to adapt to virtually any phono cartridge through variable impedance control. Impedance adjustment can be done while playback!

Input Impedance

Load Capacity Switchable

Output Impedance

Gain, MM/MC

Signal To Noise Ratio

RIAA Accuracy

Subsonic

Inputs

Outputs

Power Supply

Power Consumption

Dimensions W x H x D (with sockets)

Weight

Pro-Ject Phono Box Black Preamplifier

The all new Triton II is simply a terrific sounding phono preamp and is a bargain at its price. With its large variety of loading options, the Triton's flexibility and high performance make it suitable for virtually any phono cartridge and system.

Rogue Audio Solid State Phono Preamplifier

The all new Triton II is simply a terrific sounding phono preamp and is a bargain at its price. With its large variety of loading options, the Triton's flexibility and high performance make it suitable for virtually any phono cartridge and system. The completely new circuit design offers improved sound, better dynamics, a significantly lower noise floor and higher overall gain (70dB). Because of its ultra low noise floor the Triton II excels with the most difficult cartridges. We have also added a user selectable rumble filter and an external mono switch to the new design. Available now!

All Moving coil (mc) or Moving magnet (mc) operation

Three stages of amplification for ultra low noise

Precise RIAA equalization +/- 0.1 dB 20-20KHz

Massive fully regulated multistage power supply

20, 30, 100, 300, 1K, 47k, 75K, 100K Ohm loading options

0, 47, 150, 470,1K Picofared loading options

Four gain settings: 43dB, 55dB, 60dB, 70dB

Two heavy (2 ounce) copper circuit boards

Entirely designed and hand built in the USA

Pro-Ject Silver Phono Preamplifier

The Phono Box RS2 is the ultimate phono preamplifier of the highest class. It is fully balanced from the input to the output. Electronics are fully discrete, no op-amps are in use and it uses split passive RIAA and DECCA equalization.

Phono Box DS2 is a highly adjustable phono pre-amplifier suitable for all common MM and MC cartridges. With the ability to switch easily between input impedance and capacitance, as well as gain on front it becomes one of the most user friendly phono stage

Pro-Ject Black Phono Preamplifier

Premium class phono preamplifier with MM & MC capability

Phono Box DS2 is a highly adjustable phono pre-amplifier suitable for all common MM and MC cartridges. With the ability to switch easily between input impedance and capacitance, as well as gain on front it becomes one of the most user friendly phono stages at this price point. It features one pair of RCA inputs for your turntable and one pair of RCA outputs which will be connected to your pre-amplifier or integrated amplifier. The casing is made of a durable aluminum metal sandwich construction, which not only will effectively protect it against electromagnetic interferences and vibrations, but will also please the eye with its simply and elegant esthetics. Phono Box DS2 features a very linear circuit design to deliver the best possible sound from a minimalistic PCB. With its high value sonics and low cost price it becomes an audiophile bargain!

Dual mono circuitry for optimized channel separation

Sandwich alu/metal casing protects from vibrations and electromagnetic interference

Magnetic side panels in eucalyptus, rosenut and walnut available separately

Phono Box DS2 is a highly adjustable phono pre-amplifier suitable for all common MM and MC cartridges. With the ability to switch easily between input impedance and capacitance, as well as gain on front it becomes one of the most user friendly phono stages at this price point. 

Phono Box ultra 500 is like no other phono preamplifier in its segment. The „500“ in the name as well as the general availability, worldwide limited to 500 pieces, celebrate the 500,000th Phono Box that Pro-Ject shipped in early 2018.

Pro-Ject Polished Chrome Discrete MM/MC Phono Preamplifier

Phono Box ultra 500 – Luxury and audiophilia combined!

Phono Box ultra 500 is like no other phono preamplifier in its segment. The „500“ in the name as well as the general availability, worldwide limited to 500 pieces, celebrate the 500,000th Phono Box that Pro-Ject shipped in early 2018. We took this milestone as an occasion to create a one-of-a-kind phono preamplifier:

The polished chrome surface outshines every competitor in this price segment and offers undeniable aesthetics. Underneath this surface we have used a copper body, which is known to have high qualities in protecting against high frequency interferences. The internal design has been reworked. We are now offering a fully discrete, OpAmp less, design, which enabled us to realize an incredibly harmonious sound.

On top of leaving out operational amplifiers we decided to use polystyrene capacitors, which 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.

Switchable Subsonic filter –18dB @ 20Hz

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.

The 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.

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.

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.

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.

Power Box RS2 Phono – linear power supply upgrade

An outboard power supply with linear construction is even better, because it can offer much cleaner power. When you want to manufacture such clean and really high-end power supplies, you have to use a transformer with a very low core saturation and preferably with shielding between primary and secondary windings. Obviously, such a transformer becomes larger than one would expect. Also, much more expensive. That is why such a power supply requires a cabinet the size of the Phono Box RS2 itself. Our Power Box RS uni 1- & 4-way will be another step up for your Phono Box RS2 performance.

Fully discrete hardware design - NO Op-amps!

Unique continuously variable input impedance loading and channel balance control to match every cartridge to 100% (adjustment even while playing)

Phono Preamplifers

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