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- Pro-Ject Tube Box S2 Black - Phono Preamp
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Item #:
10422140
Pro-Ject Tube Box S2 Black - Phono Preamp
89% of respondents would recommend this to a friend
Item #:
10422140
PHP 35671
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*All items will import from UK
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Imported from UK store
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Order now and get it around Saturday, September 05
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Tube Box S2 is our very first product to feature a fully discreet circuit design without using any operational amplifiers (OpAmps).
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What Stands Out
High-Quality Vacuum Tubes
The Tube Box S2 features premium vacuum tube technology, enhancing sound warmth and depth, resulting in a rich audio experience for vinyl enthusiasts seeking superior playback quality.
Adjustable Settings
Equipped with adjustable impedance and capacitance settings, allowing users to customize their sound profile, ensuring optimal performance across different turntables and cartridges for tailored listening experiences.
Compact Design
The sleek and compact design fits seamlessly into any audio setup, making it an ideal choice for audiophiles with limited space, while delivering high-end audio performance without compromising on style.
Product Details
- Innovative miniature sized phono preamplifier with tube output and high-end sound
- Fully discreet circuit design without operational amplifiers (OpAmps)
- Supports both MM and MC cartridges with multiple gain settings
- Five variable input impedance settings to adjust to any MM cartridge
- Aluminium/metal casing for superior sound and protection
- Comes with 2x ECC83 tubes (replaceable) for sound-shaping
| Maximum Supply Voltage | 18 Volts |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 10 Watts |
| Package Type Name | single unit box |
| Material | Cotton |
| Specification Met | CE |
| Manufacturer | Pro-ject |
| Model Number | Pro-Ject Tube Box S2 |
| Brand | Pro-Ject |
| Unit Count | 1.0 count |
| Item Weight | 962 g |
| Manufacturer Part Number | Pro-Ject Tube Box S2 |
Who Should Buy?
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Vinyl Enthusiasts
Perfect for audiophiles who prioritize sound quality and seek a warm, analog sound from their vinyl records.
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Home Audio Systems
Ideal for users wanting to enhance their home audio setups with a reliable and stylish phono preamp.
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Beginner Audiophiles
Great for newcomers to vinyl who want an entry-level preamp that offers quality performance without complexity.
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Budget Buyers
Not suitable for those seeking a low-cost phono preamp, as it is priced higher than entry-level options.
Product Description
Pro-Ject Tube Box S2 Black - Phono Preamp
About This Item
Introducing the Pro-Ject Tube Box S2: The Ultimate High-End Valve Phono Preamplifier in Black Experience the pinnacle of sound reproduction with the Pro-Ject Tube Box S2. This premium phono stage is meticulously designed for use with both Moving Magnet and Moving Coil cartridges, making it the perfect addition to your turntable setup. What sets the Pro-Ject Tube Box S2 apart is its unique discrete circuit design, which eliminates the need for operational amplifiers.
This means you can enjoy the best possible sound quality, with a relaxed audio performance that boasts impressive mids and a wide, enveloping sound stage. The Tube Box S2 also offers unmatched customization options. With adjustable gain, capacitance, impedance, and a subsonic filter, you have the power to fine-tune your sound to perfection. And thanks to the replaceable valves, you can further shape your sound to suit your preferences or indulge in tube rolling.
Not only does the Pro-Ject Tube Box S2 deliver exceptional performance, but it also boasts a sleek and sturdy design. The casing is built to protect the internal circuitry from interference and vibration, ensuring pristine sound quality. The addition of cages around the valves provides an extra layer of protection, giving you peace of mind while adding to its aesthetic appeal. Whether you're a vinyl enthusiast or an audiophile in search of the best valve phono preamplifier for your turntable, the Pro-Ject Tube Box S2 is a top choice.
Immerse yourself in a world of pure, high-fidelity sound with this audiophile-grade preamp. Specifications: - Compatible with both Moving Magnet and Moving Coil cartridges - Discrete circuit design for unparalleled sound reproduction - Adjustable gain, capacitance, impedance, and subsonic filter - Replaceable valves for customizable sound shaping - Sturdy casing with protection against interference and vibration - Sleek black finish that complements any setup Don't settle for ordinary sound. Elevate your listening experience with the Pro-Ject Tube Box S2. Order now and take your vinyl collection to new heights. *Please note that this product is also known as the High-End Valve Phono Preamplifier Black, and is often searched for as the Valve Phono Preamp, Audiophile-grade preamp, and the best valve phono preamplifier for turntables.
For detailed information on the Pro-Ject Tube Box S2, including price and features, please refer to the product review and specifications. For troubleshooting and support, consult the user manual or contact our customer service.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
Is this phono preamplifier suitable for both MM and MC cartridges?
Answer: Yes, the Tube Box S2 is compatible with both MM and MC cartridges. -
Question:
Does the Tube Box S2 have a subsonic filter?
Answer: Yes, it has a front-sided Subsonic filter button. -
Question:
What type of tubes does the Tube Box S2 use?
Answer: The Tube Box S2 uses 2 x ECC83 tubes, which are replaceable.
Pro-Ject Receivers & Separates Pro-Ject Tube Box S2 Editorial Review
The Pro-Ject Tube Box S2 high-end valve phono preamplifier is receiving widespread acclaim from vinyl enthusiasts and audio aficionados alike. Many users have reported a remarkable transformation in sound quality compared to their previous preamps, highlighting its ability to deliver a warm, rich tonal character that enhances the vinyl listening experience. Those who upgraded from more standard models, such as the Cambridge Audio Azur, noted a striking difference, suggesting that the Tube Box S2 excels in providing detailed and smooth audio output, with particularly velvety bass and an expansive stereo soundstage. Customers are particularly impressed with the versatility of the unit, which allows for tube upgrades. Initial impressions of the stock JJ ECC83-S tubes are positive, but several users indicate that swapping them for alternatives like Tung Sol or NOS Mullard ECC83 can elevate the audio quality even further, with improvements in clarity, bass definition, and overall control. Additionally, users appreciate the ease of setup, as it involves toggling a few switches to match their specific components. Despite its premium price, many Consumers find the investment justifiable, given the significant enhancements to their vinyl playback system and the ability to customize sounds to their liking. Most agree that the Pro-Ject Tube Box S2 is a worthy addition for anyone serious about achieving the best possible audio fidelity from vinyl records. **
Customer Reviews & Ratings
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Pros
- Incredible sound quality with warm, rich tones.
- Enhanced stereo imaging and detail retrieval.
- Tube upgrade options for personalized sound preferences.
- User-friendly setup with adjustable input settings.
- Significant sonic improvement over standard preamps.
Cons
- Premium pricing may be a concern for some.
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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PHP 35671
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Features & Benefits
- Innovative miniature sized phono preamplifier with tube output and high-end sound
- Features precise RIAA equalization in two parts, passive/active
- Comes with replaceable tubes for sound-shaping
- Supports both MM and MC cartridges with adjustable gain settings
- Designed with a sandwich alu/metal casing for superior sound protection
- An affordable high-end solution in a compact package
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