Pricing and availability

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Price History

Based on price data from 2 merchants for "Pro-Ject Phono Box MM Phono Preamp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unlock the full potential of your vinyl collection with the Pro-Ject Phono Box MM Phono Preamp. Designed for audiophiles who demand clarity and precision, this compact yet powerful piece of equipment bridges the gap between your turntable and any hi-fi amplifier or A/V receiver, even those without a phono input. The preamp's dual-mono design and low-noise integrated circuits ensure superior channel separation, delivering an immersive listening experience that captures every nuance of your favorite records.

The Phono Box MM is crafted with high-quality RIAA equalization, guaranteeing accurate frequency reproduction for that authentic analog sound. Its robust, shielded metal housing effectively guards against vibrational and electromagnetic interference, ensuring that your music remains pure and unadulterated. Whether you're a vinyl newcomer or a seasoned collector, this phono preamp offers an elegant solution to enhance your analog setup with minimal effort.

With the Pro-Ject Phono Box MM, you're not just buying a piece of equipment; you're investing in a deeper connection to your music, all wrapped up in a sleek, easy-to-install package. Experience the warmth and richness that only vinyl can provide, amplified by technology designed to preserve its integrity.

Key Features:

  • Connects to any hi-fi amplifier or A/V receiver without a phono cartridge input
  • Supports MM cartridges
  • High-quality RIAA equalization for precise frequency reproduction
  • Dual-mono design for maximum channel separation
  • Low-noise integrated circuits for enhanced listening experience
  • Shielded metal housing for protection against vibrational and electromagnetic interference
  • RCA inputs and outputs with hard gold-plated jacks

Product specs

Preamp Type Moving Magnet Phono Preamplifier, Black
EQ RIAA
Analog Inputs 1 x Dual RCA Phono (MM)
Analog Outputs 1 x Dual RCA Phono
Power Source 18V/500mA DC Power Supply (included)
Height 1.18"
Depth 4.21"
Width 2.95"
Weight 9.87 oz

FAQs

What type of cartridges is the Pro-Ject Phono Box MM Phono Preamp compatible with?

The Pro-Ject Phono Box MM Phono Preamp is specifically designed for Moving Magnet (MM) cartridges, providing the necessary gain and EQ for optimal sound performance.

How do I connect the Pro-Ject Phono Box MM Phono Preamp to my audio system?

Connect your turntable's tonearm signal lead to the INPUT of the preamp, and the OUTPUT of the preamp to a line input on your amplifier. If you experience hum, connect the grounding wire to the screw terminal.

Does the Pro-Ject Phono Box MM Phono Preamp require an external power supply?

Yes, the Pro-Ject Phono Box MM Phono Preamp requires an 18V/500mA DC power supply, which is included with the unit.

What are the dimensions of the Pro-Ject Phono Box MM Phono Preamp?

The Pro-Ject Phono Box MM Phono Preamp measures 1.18 inches in height, 4.21 inches in depth, and 2.95 inches in width, making it compact and easy to integrate into your audio setup.

Is the Pro-Ject Phono Box MM Phono Preamp suitable for improving sound quality?

Yes, the Pro-Ject Phono Box MM Phono Preamp is praised for enhancing audio quality by delivering clean and reliable sound, resolving bass issues, and eliminating unwanted noise when used with compatible equipment.

Audiorpheus

Audiorpheus

Entry Level Pro-Ject Phono Box (E/MM/DC) What's going on?

Video thumbnail for Entry Level Pro-Ject Phono Box (E/MM/DC) What's going on? by Audiorpheus

Entry Level Pro-Ject Phono Box (E/MM/DC) What's going on?

Audiorpheus

Audiorpheus

Video thumbnail for ART DJpre ii vs Pro-ject Phono Box MM by Audiorpheus

ART DJpre ii vs Pro-ject Phono Box MM

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Audiorpheus

Video thumbnail for Pro-ject Phono Box E vs Phono Box MM by Audiorpheus

Pro-ject Phono Box E vs Phono Box MM

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Audiorpheus

Video thumbnail for Pro-Ject Phono Box MM Pre-amplifier for your Turntable Unboxing by AVGearShop

Pro-Ject Phono Box MM Pre-amplifier for your Turntable Unboxing

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AVGearShop

Video thumbnail for Pro-ject Phono Box MM vs Rolls VP29 by Audiorpheus

Pro-ject Phono Box MM vs Rolls VP29

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Audiorpheus

Reviews

PROS

  • Capable of up to 60dB gain with MM/MC switch

  • Clean and simple connection interfaces, easy setup

  • Reasonable price for high-quality RIAA preamplifier

  • Extremely low background noise

  • Solid build quality without plastic casing

CONS

  • Lacks an on/off switch

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Pro-Ject Phono Box MM Phono Preamp.

Comparisons

  • Users compared the Pro-Ject Phono Box MM to the Sony DH190 receiver's built-in preamp, finding no significant sound difference, favoring the Sony for simplicity.

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  • The Pro-Ject Phono Box MM is often compared to the Pro-Ject Phono Box II and the U-Turn Pluto 2, with users generally favoring the latter for sound quality.

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  • Users found the Pro-Ject Phono Box MM slightly crisper in sound compared to the Schiit Mani, especially in midrange and bass tightness.

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  • The Schiit Mani is noted for being widely discussed on Reddit but may not meet the high expectations set by online reviews, especially compared to the Pro-Ject Phono Box MM.

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Features and functionality

  • The Sony DH190 receiver offers 6dB adjustable gain, which was a feature appreciated by users despite no notable sound difference from the external Pro-Ject Phono Box MM.

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  • The Pro-Ject Phono Box MM is identified as an older, basic model, and may not provide a significant upgrade if paired with already decent equipment.

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  • Users experimenting with gain settings on the Schiit Mani found 30dB gain provided tighter bass, despite standard MM gain being 42dB.

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Setup and maintenance

  • Infinity RS-325 speakers from the 1990s were noted to suffer from foam rot, leading to a decision to purchase Klipsch R51M speakers temporarily.

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  • It's advisable to prioritize speaker upgrades before considering the Pro-Ject Phono Box MM if your speakers are entry-level, as it may not significantly enhance sound quality alone.

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User experience

  • The Klipsch R51M speakers were described as some of the best $150 bookshelf speakers, sounding brighter due to horn tweeters compared to the Infinity RS-325s.

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  • Some owners experienced channel issues with used units, such as only one channel working, highlighting a potential risk when buying used without testing.

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  • The Pro-Ject Phono Box MM is praised for its silent operation compared to the Schiit Mani, which some users noted introduced a hiss.

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Mods and upgrades

  • Infinity RS-325 speakers were maintained by replacing the woofers with $50 plug-and-play replacements to address foam rot, preserving their sentimental value.

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Value and pricing

  • The Pro-Ject Phono Box MM often sells for around £40 used, including a power supply and original box, suggesting a better deal than buying without the power supply.

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Other

  • Some suggested considering Darlington Labs for phono stages, perceived to have better quality control due to small batch production compared to Schiit products.

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