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Pro Ject Tube Box S2 Pure Tube Phono Preamplifier
Pro-Ject Pro-Ject

Pro Ject Tube Box S2 Pure Tube Phono Preamplifier

Best tube preamp for vinyl enthusiasts seeking warm, customizable analog sound.

Experience the warm, rich sound of vinyl with the Pro-Ject Tube Box S2. This pure tube phono preamplifier is designed for audiophiles, delivering a characteristic tube warmth to your music. It expertly handles both MM and MC cartridges, offering great flexibility for your turntable setup. Featuring a double mono construction for superior channel separation and a subsonic filter to eliminate rumble, the Tube Box S2 ensures a clean and immersive listening experience. Its durable aluminum and metal sandwich chassis provides excellent shielding and longevity.

$617.28

Track Price
Out of Stock

Owner Satisfaction

4.7

/ 5

 

Category Rank

133

/ 466

#133 in Phono Preamps

Price vs Category Average

-91%

Below average

Amplification Type

Tube

/ Tube

 

Who it's for

  • Vinyl listeners seeking rich, classic analog sound signatures
  • Audiophiles using diverse MM or MC cartridge collections
  • Minimalists requiring high-end performance in a small footprint

Who should skip it

  • Users who frequently swap cartridges and prefer accessible controls
  • Budget-conscious owners avoiding recurring maintenance expenses
  • Listeners sensitive to background noise or vibration interference

Performance breakdown

Sonic Warmth

Delivers the classic, lush harmonic richness expected from vacuum tube amplification.

Excellent

Cartridge Versatility

Seamlessly toggles between MM and MC setups for diverse turntable configurations.

Excellent

Channel Separation

Double mono design creates a wide, precise soundstage for immersive listening.

Excellent

Build Integrity

Sturdy metal sandwich chassis provides effective shielding against external electrical interference.

Excellent

Sound Customization

Interchangeable tubes allow enthusiasts to fine-tune the audio profile to taste.

Good

Noise Suppression

Integrated subsonic filter effectively cleans up low-frequency rumble from older records.

Excellent

Key Specs

Amplification Type

Tube

Cartridge Support

MM (Moving Magnet) and MC (Moving Coil)

Tube Type

ECC83 (Interchangeable)

Construction

Aluminum and metal sandwich housing

Feature

Subsonic filter switch included

Design

Double mono construction

Features

  • Pure tube amplification for warm, rich audio
  • Supports MM and MC cartridges
  • Excellent channel separation with double mono design
  • Subsonic filter removes low-frequency noise
  • Customizable sound with interchangeable tubes
  • Durable, shielded metal housing

What customers say

Customers consistently praise the Tube Box S2 for delivering exceptional sound quality, highlighting the rich, warm, and detailed sonic signature that only pure tubes can provide. Reviewers frequently note that this unit offers tremendous value, performing far above its price class and competing favorably with significantly more expensive high fidelity components. The compact, robust design also receives positive mentions, reinforcing the overall sense of premium quality and reliability.

Know before you buy

Hayley

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Pro Ject Tube Box S2 Pure Tube Phono Preamplifier

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$617

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