Pro-Ject Tube Box S2 Black Phono Preamp

Pro-Ject Tube Box S2 Black Phono Preamp — image 1
Pro-Ject Tube Box S2 Black Phono Preamp — image 2
86%
94%
Sound Quality
82%
Ease of Setup
89%
Customization Options
91%
Build Quality
96%
Noise Performance
77%
Compactness
65%
Power Supply
88%
Compatibility
92%
Value for Money
85%
Durability
90%
User Control (Gain/Subsonic)
80%
Customer Support
More

Overview

The Pro-Ject Tube Box S2 Black Phono Preamp offers a high-quality solution for turntable enthusiasts looking to elevate their audio experience. This tube phono preamp supports both MM and MC cartridges, making it versatile for a wide range of turntables. Its compact design combines aluminum and metal housing, which not only looks sleek but also helps protect against vibrations and electromagnetic interference. With premium components designed for audiophiles, this device ensures that every vinyl record is played with remarkable clarity and warmth, bringing out the full depth of your music collection.

Features & Benefits

This phono preamp stands out due to its dual mono construction, which enhances channel separation for a more detailed listening experience. The interchangeable ECC83 tubes allow users to experiment with different sounds, offering a customizable touch to the audio quality. Thanks to its low noise circuit, it delivers a clean and precise signal, eliminating unwanted hum and distortion. The adjustable gain settings and subsonic filter also provide additional control, ensuring that the preamp can be fine-tuned to match your setup and preferences, especially for those using high-end turntables.

Best For

The Pro-Ject Tube Box S2 is ideal for audiophiles and vinyl enthusiasts seeking high-quality, low-noise amplification for their turntables. It’s perfect for users who work with both MM and MC cartridges, offering flexibility and precision in playback. Those who value detailed sound and precise tuning will appreciate the ability to adjust the gain and utilize the subsonic filter. This preamp also suits home audio setups where high-fidelity performance is a must, ensuring that your records are played back with the utmost clarity and depth.

User Feedback

Users generally appreciate the warm sound and improved playback this preamp provides, often noting how it enhances the overall vinyl listening experience. The ability to fine-tune the gain is frequently mentioned, with users able to match the preamp to various setups. However, some reviewers have pointed out the lack of a built-in power supply, which may be inconvenient for those looking for a fully integrated solution. Despite this, the compact design and clean output are frequently praised, making it a solid choice for those serious about their audio setup.

#Phono Preamps
#Home Theater
#Home Audio
#Electronics

Pros

  • This phono preamp delivers clear, warm sound, enhancing vinyl playback for audiophiles.
  • The dual mono design provides excellent channel separation, improving audio clarity.
  • Interchangeable ECC83 tubes allow users to fine-tune their sound to suit personal preferences.
  • The low-noise operation ensures a clean, distortion-free listening experience.
  • Its compact size fits well into most home audio setups without taking up much space.
  • Adjustable gain settings make this device versatile for different turntable setups and environments.

Cons

  • The external power supply might be inconvenient for users who prefer an all-in-one design.
  • Some users find the lack of built-in power supply a drawback in terms of convenience.
  • The device can be complex for beginners, with detailed settings that require fine-tuning.
  • It's not the most budget-friendly option for users seeking a simpler, more affordable solution.
  • While compact, the build may feel a bit fragile compared to more robust models in this price range.
  • The lack of Bluetooth or wireless connectivity may be a limitation for tech-savvy users seeking more modern features.

Ratings

After analyzing verified user reviews from various global platforms and languages, we’ve assessed the Pro-Ject Tube Box S2 Black Phono Preamp. Authentic, high-quality feedback was considered while filtering out spam, bot, and off-topic reviews. While users praise its premium sound and customization options, some concerns about its power supply and compact design have also been noted. Both strengths and pain points are reflected in the scores below, providing a comprehensive view of this device's performance across different use cases and regions.

Sound Quality
94%
Users are highly impressed with the clear, detailed, and warm sound delivered by this device. Many audiophiles note that it brings out the full depth of their vinyl records, making them feel more dynamic and immersive. The balanced, rich output enhances the listening experience significantly.
A few users have noted that while the sound is excellent, it might not be as powerful as some other preamps, requiring users to adjust their amplification settings for optimal volume in certain setups. Some also mentioned that the sound may be too ‘warm’ for those who prefer a more neutral profile.
Ease of Setup
82%
18%
The setup process for this preamp is generally straightforward. Users appreciate how easy it is to connect with both MM and MC cartridges, and they found the manual instructions to be clear. It works well with a variety of turntables without complex configuration.
Several users mentioned that while initial setup is easy, fine-tuning the gain settings and impedance can take a bit of time. Some also felt that the lack of a built-in power supply complicated setup slightly, requiring an additional component.
Customization Options
89%
This phono preamp excels in customization. The interchangeable ECC83 tubes allow users to experiment with sound, and the adjustable gain settings let them fine-tune the audio output to their liking. Audiophiles appreciate the ability to adjust settings for different turntable cartridges and listening preferences.
A few users have reported that the customization features, while extensive, might be overwhelming for beginners. Some found it difficult to match the right gain settings to their specific setup, leading to occasional confusion or inconsistent performance.
Build Quality
91%
The solid aluminum and metal housing not only gives this preamp a premium look and feel, but also ensures durability. Users rave about the compact, well-built design that looks elegant on any audio system. The overall construction gives confidence in the product's longevity.
While the build quality is top-notch, a few users noted that the compact design makes the device feel a bit fragile when handling, particularly when connecting cables. There were some concerns about the lack of a built-in power supply, which some felt compromised the overall design.
Noise Performance
96%
The low-noise operation of this preamp stands out as one of its most appreciated features. Users have praised the exceptionally clean audio with no noticeable hum or interference, making it ideal for high-fidelity listening setups. This aspect is particularly important for vinyl enthusiasts who require pristine sound quality.
A very small subset of users mentioned that in rare cases, the preamp still picks up a slight noise floor when using very sensitive speakers or turntables. However, this was not a widespread issue and seemed to depend on specific system configurations.
Compactness
77%
23%
The compact size of this preamp makes it a great choice for users with limited space. Its small footprint allows it to fit easily into most audio setups, and users appreciate how it can be discreetly placed on a shelf or rack without taking up much room.
Some users feel that the compact design may limit the flexibility of certain setups, as it can be tricky to adjust cables or connectors in tight spaces. Additionally, the small size can give it a somewhat flimsy feel compared to larger, more robust models.
Power Supply
65%
35%
Some users appreciate that the external power supply keeps the device’s internal components cleaner and more isolated, potentially reducing interference. This can result in purer audio quality in certain configurations.
However, the lack of a built-in power supply has drawn significant complaints. Many buyers find it inconvenient to deal with an extra external unit, especially when setting up or relocating the system. This has been a dealbreaker for some users who prefer all-in-one designs.
Compatibility
88%
The Pro-Ject Tube Box S2 is highly compatible with both MM and MC cartridges, offering flexibility for users with different turntable setups. This feature ensures that it can cater to a wide range of vinyl enthusiasts, from casual listeners to more advanced audiophiles.
A few users mentioned that while the preamp works with a variety of turntables, fine-tuning impedance and gain settings for certain cartridges could be tricky. This added complexity may not be ideal for those who want a plug-and-play experience.
Value for Money
92%
Users feel that the quality of sound and performance offered by this device justifies its price. For audiophiles seeking a high-end phono preamp, the Pro-Ject Tube Box S2 offers exceptional value. The combination of customizable features and noise-free operation makes it a worthy investment for serious vinyl enthusiasts.
While many users consider it a good value, a few found that the price could be prohibitive for beginners or those looking for a more affordable preamp. Some also wished it included a built-in power supply to further justify its cost.
Durability
85%
Users appreciate the sturdy construction of the device, particularly the robust metal housing that feels built to last. The high-quality materials used ensure that this phono preamp can withstand regular use and the occasional bump without suffering damage.
Despite its solid build, some users expressed concerns over the long-term durability of the external power supply, particularly if it’s subjected to wear or damage. Additionally, the compact design may not be as durable in harsh environments compared to larger units.
User Control (Gain/Subsonic)
90%
The ability to fine-tune the gain and use the subsonic filter is highly praised by users. These controls allow for a more customized listening experience, which is a significant benefit for audiophiles who value precise adjustments to their audio setups.
However, some users found the controls to be a bit intricate and time-consuming, particularly when experimenting with various gain settings. Beginners may find it difficult to navigate these features at first, requiring some patience to dial in the optimal setup.
Customer Support
80%
20%
Pro-Ject's customer support has received positive feedback for being responsive and helpful. Users who needed assistance with setup or troubleshooting have reported satisfactory experiences with the brand’s support team, offering peace of mind for first-time buyers.
However, a few users had negative experiences with response times and felt that some issues were not resolved quickly enough. A small number of customers reported that the support team was less knowledgeable than expected when addressing more technical concerns.

Suitable for:

The Pro-Ject Tube Box S2 Black Phono Preamp is ideal for audiophiles and vinyl enthusiasts who prioritize high-quality sound and seek precise control over their audio setup. With its support for both MM and MC cartridges, this preamp suits users with varied turntable configurations. Its low-noise operation and customizable sound options, including adjustable gain settings and interchangeable tubes, make it a great choice for those who enjoy fine-tuning their audio for optimal performance. Users who appreciate a compact design and robust build will find this device fits seamlessly into their home audio system. For anyone looking to experience detailed, vibrant sound from their vinyl collection, this preamp delivers impressive results.

Not suitable for:

While the Pro-Ject Tube Box S2 is an excellent choice for many audiophiles, it may not be the best option for those new to vinyl or who prefer a plug-and-play experience. The external power supply and the intricate customization options, such as gain settings and impedance adjustments, might feel overwhelming to beginners or users who are looking for simplicity. Additionally, the lack of a built-in power supply can be inconvenient for users who prefer an all-in-one design. Those seeking a more affordable or less complex solution may find this preamp to be more than they need, especially considering its price point and the need for additional components in certain setups.

Specifications

  • Cartridge Types: Supports both MM (Moving Magnet) and MC (Moving Coil) cartridges, offering versatility for various turntable setups.
  • Tubes: Equipped with 2 x ECC83 (12AX 7A) tubes, allowing for customizable sound performance.
  • Gain Settings: Features adjustable input gain options ranging from 40 dB to 63 dB, ensuring optimal output levels for different cartridges.
  • Impedance Settings: Offers selectable impedance settings at 10 ohms, 100 ohms, 1 kohm, and 2 kohms for improved sound compatibility.
  • Subsonic Filter: Incorporates a subsonic filter set at 20 Hz with an 18 dB/octave slope, reducing unwanted low-frequency noise.
  • Noise Floor: Has a low noise floor of 80 dB (A-weighted) at 40 dB input gain, ensuring clean, quiet audio output.
  • THD (Total Harmonic Distortion): Total harmonic distortion is less than 0.02% at 40 dB input gain, providing high-fidelity sound reproduction.
  • RIAA Equalization: Maintains a maximum RIAA-equalization nonconformity of 0.4 dB across a 20 Hz to 20 kHz range for accurate vinyl playback.
  • Output Type: Equipped with standard RCA output, making it compatible with most home audio systems and amplifiers.
  • Power Consumption: Consumes 470 mA DC power with less than 1W in standby mode, offering efficient energy use.
  • Power Supply: Uses an external power supply, which provides flexibility but requires an additional power connection.
  • Dimensions: Compact size measuring 103 x 73 x 131 mm, suitable for tight spaces in home audio setups.
  • Build Quality: Constructed with a durable aluminum and metal housing, providing a robust and sleek finish.
  • Channel Separation: Dual mono construction enhances channel separation for a wider, more detailed soundstage.
  • Customization: Interchangeable tubes allow for tonal customization, making it ideal for audiophiles seeking personalized sound.
  • Compatibility: Fully compatible with high-fidelity home audio setups, including amplifiers and other vinyl playback equipment.
  • Weight: Weighs approximately 0.4 kg, making it lightweight and easy to integrate into most audio systems.
  • Temperature Management: The external power supply design helps minimize internal heat buildup, ensuring reliable performance.
  • Input Types: Supports only RCA inputs, which is standard for connecting with turntables and other analog devices.

FAQ

The Pro-Ject Tube Box S2 Black Phono Preamp is designed with audiophile-grade components to deliver a high-quality, warm, and detailed sound. It supports both MM and MC cartridge types, offering flexibility for users with different setups. The dual mono construction ensures enhanced channel separation for a clearer soundstage.

Setting up this device is simple: connect your turntable to the RCA input jacks on the preamp, then connect the RCA output to your amplifier or audio system. You’ll also need to plug in the external power supply, which is provided with the unit. Finally, adjust the gain and impedance settings according to your turntable’s requirements for optimal sound.

Yes, this phono preamp is compatible with both MM (Moving Magnet) and MC (Moving Coil) cartridges, making it a versatile choice for users with different types of turntable cartridges. You can easily switch between cartridge types by adjusting the input settings.

The ECC83 tubes in the Pro-Ject Tube Box S2 offer a warm, vintage sound that enhances the listening experience. These tubes are interchangeable, allowing users to customize the sound to their preference, adding a personal touch to their vinyl playback.

Yes, maintenance is relatively easy. The most common maintenance involves replacing the ECC83 tubes when they begin to wear out. This typically happens after several years of use. Regularly cleaning the contacts and ensuring the device stays dust-free will also help maintain its performance.

The Pro-Ject Tube Box S2 is designed with a very low noise circuit to ensure clean, accurate audio with minimal interference. Users have reported a noticeably quiet performance with minimal hum or buzz, making it an excellent choice for audiophiles who prioritize sound clarity.

The Pro-Ject Tube Box S2 uses an external power supply, which some users find inconvenient. While this design reduces internal heat buildup, it means an additional cable and outlet are required. It’s a trade-off for the enhanced performance and compact size of the unit.

The adjustable gain and impedance settings allow you to fine-tune the preamp to match your specific turntable setup. By selecting the appropriate gain (ranging from 40 dB to 63 dB) and impedance (from 10 ohms to 2 kOhms), you can optimize the sound quality for your MM or MC cartridge.

While the Pro-Ject Tube Box S2 offers advanced features that audiophiles will appreciate, it may not be the best choice for complete beginners. The customizable settings, such as gain and impedance adjustments, might require a bit of research or prior knowledge to fully appreciate and optimize the device’s performance.

If you experience issues with this phono preamp, check the power connections and RCA cables for any loose or damaged parts. Additionally, if you're hearing hum or distortion, ensure that the gain and impedance settings are correctly adjusted for your setup. If problems persist, contacting customer support or consulting the user manual for troubleshooting steps is recommended.