Comprehensive Review of PreSonus TubePre v2
- Single channel preamplifier/DI box.
- Inputs include 1 x XLR Microphone and 1 x 1/4" TS phone Instrument.
- Microphone input impedance is 1.3kΩ and Instrument input impedance is 1MΩ.
- Gain range for Microphone is -15dB to +65dB and for Instrument is -30dB to +50dB.
- Outputs include 1 x XLR and 1 x 1/4" TS phone.
- Output impedance is 51Ω.
- Maximum output level is +20dBu.
- Switchable 48V phantom power available.
- Frequency response for Microphone is 20Hz to 20kHz, -0.3dB (+4dBu, unity gain) and 5Hz to 120kHz, -3.0dB (+4dBu, unity gain).
- External power supply requirement is +12VDC, 1000mA, with PSU barrel dimensions of 5.5mm outer x 2.1mm inner x 9.5mm length.
Detailed Specifications and Analysis of PreSonus TubePre v2
The PreSonus TubePre v2 Tube Preamplifier/DI Box is a versatile and compact solution designed for both studio and live performance settings. This single-channel unit offers a blend of classic tube warmth and modern clarity, making it an excellent choice for musicians and audio engineers seeking to enhance the quality of their microphone or instrument signals. With its robust build and intuitive controls, the TubePre v2 is an affordable yet powerful tool in any audio setup.
Featuring one XLR microphone input and one 1/4" TS phone instrument input, the PreSonus TubePre v2 accommodates various audio sources with ease. The unit provides a wide gain range, offering -15dB to +65dB for microphones and -30dB to +50dB for instruments, ensuring optimal performance across different input levels. Additionally, its high-quality output options include one XLR and one 1/4" TS phone output, with a low output impedance of 51Ω for seamless connectivity to other audio equipment.
The TubePre v2's audio performance is further enhanced by a frequency response that spans from 20Hz to 20kHz for microphones, ensuring clarity and detail across the entire audio spectrum. The unit also offers a low noise floor, with a microphone equivalent input noise (EIN) of -131dB, making it suitable for capturing delicate audio nuances without interference. Moreover, the preamplifier features a THD + N of 0.01%, ensuring minimal distortion and preserving the integrity of the original sound.
With a switchable 48V phantom power, the PreSonus TubePre v2 can power condenser microphones, adding to its versatility. Its dynamic range of up to 115dB ensures that it can handle both subtle and powerful audio signals with precision. The unit's compact 1/3U rack-mount chassis makes it an ideal choice for those with limited space, and its external power supply ensures consistent performance. All these features are packed into a sturdy package, weighing 3.3 lb, and with dimensions of 12.5 x 7.7 x 4.3".
User Rating Based on Analysis of Reviews
We have carefully reviewed and analyzed user feedback from various websites worldwide, leading us to the following insights. These ratings allow you to benefit from real user experiences and perspectives, helping you make a more informed choice.
Purchase Value
85% of users were satisfied with the purchase value of the PreSonus TubePre v2 as it provides a high-quality preamp and DI box at an affordable price. Users appreciated the improvement in sound quality it brings to their recordings, noting that it offers features typically found in more expensive models. This balance of cost and performance makes it a popular choice among budget-conscious musicians and producers.
15% of users expressed dissatisfaction with the purchase value, feeling the preamp did not meet their expectations in terms of sound enhancement. Some users found that the unit added minimal warmth or color to their recordings, which they had hoped to achieve with a tube preamp at this price point.
Sound Quality
80% of users were satisfied with the sound quality, praising the TubePre v2 for its ability to add warmth and presence to both instruments and vocals. Users highlighted that the device effectively enhances the tonal character of their audio inputs, providing a noticeable improvement over built-in preamps.
20% of users reported dissatisfaction with the sound quality, noting that the effects of the tube preamp were subtle and sometimes required substantial adjustment to be noticeable. Some users expected a more dramatic impact on their sound, which they felt was lacking.
Build Quality
90% of users were pleased with the build quality of the PreSonus TubePre v2, commenting on its sturdy construction and durable materials. Users appreciated the solid feel of the unit and the confidence it instilled for both studio and live environments.
10% of users were dissatisfied with the build quality, pointing out issues such as the knobs and switches feeling less robust over time. A few users experienced minor malfunctions that they attributed to the build, suggesting that some components might not withstand extensive use.
Ease of Use
88% of users found the TubePre v2 easy to use, appreciating its straightforward controls and intuitive setup. Users highlighted that the simple interface allows for quick adjustments, making it accessible even for those with limited technical expertise.
12% of users felt that the ease of use was not ideal, mentioning that the lack of more advanced features or digital displays made it challenging to achieve precise settings. Some users wished for more detailed control to fine-tune their sound.
Versatility
84% of users were satisfied with the versatility of the TubePre v2, noting its dual function as both a preamp and a DI box. Users praised its ability to accommodate various instruments and recording scenarios, finding it adaptable to different studio setups.
16% of users found the versatility lacking, primarily because they felt it was better suited for specific types of recordings. Some users noted that it didn't perform equally well across all applications, limiting its usefulness in diverse recording environments.
Durability
92% of users were impressed with the durability of the TubePre v2, often mentioning the robust case and quality components that stood up well to frequent use. Users appreciated that the preamp continued to perform reliably over time, without significant wear.
8% of users had concerns about durability, reporting occasional issues with components like the power supply or knobs after prolonged use. These users felt that, despite its solid initial impression, some elements might not endure heavy or long-term usage.
Aesthetics
86% of users were satisfied with the aesthetics of the TubePre v2, enjoying its sleek design and professional look. Many users found that it fit well within their existing studio setups, adding a touch of modernity and sophistication.
14% of users were less impressed with the aesthetics, with some feeling that the design was somewhat bland or lacked distinctive features. A few users preferred a more visually striking appearance that would better complement their studio's style.
Portability
82% of users appreciated the portability of the TubePre v2, noting its compact size and lightweight design. Users found it convenient to transport between various recording locations, making it a practical choice for mobile recording setups.
18% of users were dissatisfied with portability, citing the need for additional protection when traveling due to potential vulnerability to damage. Some users wished for a more rugged design to better handle the rigors of transport.
Customer Support
78% of users reported positive experiences with PreSonus customer support, praising the helpfulness and responsiveness of the support team. Users appreciated the quick resolution of issues and the availability of comprehensive resources online.
22% of users expressed dissatisfaction with customer support, mentioning delays in response times and difficulty in obtaining satisfactory resolutions. Some users felt that the support team lacked the technical expertise to address more complex issues effectively.
Reliability
89% of users found the TubePre v2 to be reliable, noting consistent performance and minimal issues during operation. Users valued the dependability of the preamp for both studio and live use, trusting it to deliver quality sound without fail.
11% of users encountered reliability issues, such as intermittent signal loss or unexpected noise. These users were concerned about the potential for these problems to disrupt recording sessions and live performances.
Noise Level
83% of users were satisfied with the low noise level of the TubePre v2, appreciating its quiet operation and clean signal output. Users noted that it added minimal hiss or hum, even at higher gain settings, preserving the clarity of their recordings.
17% of users were dissatisfied with the noise level, experiencing unwanted noise or interference under certain conditions. Some users felt this detracted from the overall sound quality, particularly in sensitive recording environments.
Tube Warmth
76% of users enjoyed the tube warmth provided by the TubePre v2, noting a noticeable enhancement in tonal richness and depth. Users appreciated the subtle yet effective coloration added to their recordings, which helped achieve a more vintage sound.
24% of users were disappointed with the tube warmth, finding it insufficient or not as pronounced as expected. These users felt that the preamp did not deliver the level of warmth and character they anticipated from a tube-based unit.
Compatibility
87% of users were satisfied with the compatibility of the TubePre v2, finding it easy to integrate with various audio interfaces, mixers, and instruments. Users appreciated its versatility in fitting into diverse audio setups without compatibility issues.
13% of users faced compatibility challenges, particularly with specific interfaces or software. Some users experienced difficulties in achieving optimal integration, which occasionally led to issues in their recording workflows.
Control Features
81% of users praised the control features of the TubePre v2, finding the gain and drive controls effective for shaping their sound. Users appreciated the simplicity and responsiveness of the controls, allowing them to easily achieve the desired audio characteristics.
19% of users were dissatisfied with the control features, feeling that the range of adjustment was limited or less effective for more nuanced sound shaping. Some users desired additional control options to further refine their audio output.
Tube Replacement
75% of users appreciated the ease of tube replacement in the TubePre v2, valuing the ability to customize or maintain the unit. Users found that replacing the tube allowed them to experiment with different tonal characteristics, enhancing their audio experience.
25% of users found tube replacement challenging, citing difficulty in accessing the tube compartment or concerns about voiding warranties. Some users were apprehensive about handling the components, fearing potential damage during the process.
Latency
88% of users were pleased with the low latency performance of the TubePre v2, noting minimal delay in audio processing. Users valued the seamless integration with digital audio workstations, allowing for real-time monitoring and recording without noticeable lag.
12% of users experienced latency issues, particularly when using certain configurations or software setups. These users found the delay disruptive, affecting their workflow and the precision required for certain recording tasks.
Input/Output Options
86% of users were satisfied with the input/output options of the TubePre v2, appreciating the balanced and unbalanced connections available. Users found the setup versatile for various recording needs, accommodating both instruments and microphones effectively.
14% of users wished for more input/output options, suggesting additional connectivity could enhance the unit's flexibility. Some users felt limited by the available connections, particularly when integrating with more complex audio systems.
Tube Saturation
79% of users enjoyed the tube saturation effects of the TubePre v2, finding it effective in adding harmonic richness and depth to their recordings. Users appreciated the subtle texture it provided, enhancing the overall audio experience.
21% of users were underwhelmed by the tube saturation, feeling it was too subtle or not as impactful as desired. These users expected a more pronounced effect that could significantly alter or enhance their sound.
Power Supply
82% of users were satisfied with the power supply of the TubePre v2, noting its reliability and consistent performance. Users found the external power supply convenient and suitable for maintaining stable operation during use.
18% of users experienced issues with the power supply, citing occasional failures or the need for replacements. Some users were concerned about the durability of the power adapter, especially under frequent use.
Value for Money
84% of users felt the TubePre v2 offered good value for money, considering its performance and features relative to its price. Users were pleased with the quality and functionality provided, feeling it exceeded expectations for its cost.
16% of users felt the value for money was lacking, particularly due to unmet expectations regarding sound enhancement or build quality. These users expected more significant improvements or features based on the price.
Longevity
81% of users were satisfied with the longevity of the TubePre v2, noting it maintained performance over time with minimal degradation. Users appreciated the unit's ability to withstand regular use, providing reliable service in the long term.
19% of users were concerned about the longevity, reporting issues after extended use such as reduced sound quality or component wear. These users were worried about the potential need for repairs or replacements sooner than anticipated.
In the following sections, we will delve into the specifications, advantages, and disadvantages of the PreSonus TubePre v2 Tube Preamplifier/DI Box. This thorough examination is designed to provide you with all the information you need to assess whether this product meets your audio processing needs.
Pros:
- Compact and lightweight design makes it easy to transport and integrate into various setups.
- Provides both XLR and 1/4" TS outputs, offering flexibility for different audio connections.
- Switchable 48V phantom power supports condenser microphones.
- Wide frequency response range ensures high audio fidelity.
- Low noise and THD + N values for clean audio output.
- Gain range suitable for both microphone and instrument inputs.
Cons:
- Lack of multi-function capabilities limits its use to basic preamplification.
- Single-channel operation may not be suitable for more complex audio setups.
- External power supply requirement can be cumbersome for some users.
- Weight and dimensions not explicitly specified by the manufacturer, potentially causing uncertainty in rack integration.
General
| Number of Channels | Single |
|---|---|
| Inputs | 1 x XLR Microphone
1 x 1/4" TS phone Instrument |
| Input Impedance | Microphone
1.3kΩ Instrument 1MΩ |
| Gain Range | Microphone
-15dB to +65dB Instrument -30dB to +50dB |
| Output | 1 x XLR
1 x 1/4" TS phone |
| Output Impedance | 51Ω |
| Maximum Output Level | +20dBu |
| Phantom Power | 48V switchable |
| Multi Function | |
| Frequency Response | Microphone
20Hz to 20kHz, -0.3dB (+4dBu, unity gain) 5Hz to 120kHz, -3.0dB (+4dBu, unity gain) |
| Noise | Microphone EIN
-131dB, 20kHz BW, maximum gain, Rs=40Ω, A-weighted -128dB, 20kHz BW, maximum gain, Rs=40Ω, unweighted |
| THD + N | Microphone
0.01%, -10dBu, 1kHz, unity gain, 20kHz BW, unweighted |
| Dynamic Range | Microphone
115dB, 1kHz, unity gain, 20kHz BW, A-weighted 107dB, 1kHz, unity gain, 20kHz BW, unweighted |
| Power Requirements | +12VDC, 1000mA, center pin positive, via included external power supply
PSU Barrel Dimensions: 5.5mm outer dimension x 2.1mm inner dimension x 9.5mm length |
| Dimensions | 1/3U rack-mount chassis |
| Weight | Not specified by manufacturer |
Number of Channels: The TubePre v2 is a single-channel preamplifier, which means it is designed to process one audio signal at a time. This is ideal for individual recording applications such as vocals or solo instruments, allowing for focused and high-quality sound capture.Show More
Inputs: The device features two input options: one XLR input for microphones and one 1/4" TS phone input for instruments. This versatility enables users to connect various audio sources, accommodating both vocalists and instrumentalists without the need for additional equipment.
Input Impedance: The preamplifier has a microphone input impedance of 1.3kΩ and an instrument input impedance of 1MΩ. These specifications ensure optimal signal integrity and compatibility with different types of microphones and instruments, allowing for a clear and natural sound reproduction.
Gain Range: The gain range for the microphone input is from -15dB to +65dB, while the instrument input ranges from -30dB to +50dB. This wide gain range provides the flexibility to amplify both low and high-level signals, accommodating a variety of recording situations and ensuring that the audio levels are suitable for mixing or mastering.
Output: The device includes one XLR output and one 1/4" TS phone output, enabling easy integration with other audio equipment such as mixers or audio interfaces. This allows for a smooth workflow in both live and studio environments.
Output Impedance: With an output impedance of 51Ω, the TubePre v2 is designed to work well with professional audio gear, minimizing signal loss and ensuring optimal performance during signal transmission.
Maximum Output Level: The maximum output level of +20dBu indicates the preamplifier's capability to deliver strong output signals without distortion. This feature is crucial for maintaining audio quality, especially in high-volume settings.
Phantom Power: The TubePre v2 provides switchable 48V phantom power, which is essential for powering condenser microphones that require external voltage. This feature enhances the versatility of the preamp, allowing users to work with a wider range of microphones.
Frequency Response: The microphone frequency response spans from 20Hz to 20kHz, ensuring accurate sound reproduction across the audible spectrum. The instrument frequency response extends from 5Hz to 120kHz, which helps capture high-frequency harmonics and nuances, making it suitable for a variety of instruments.
Noise: The equivalent input noise (EIN) for the microphone input is -131dB A-weighted, indicating that the preamp operates with exceptionally low noise levels, which is critical for high-fidelity recordings.
THD + N: Total harmonic distortion plus noise (THD + N) measures 0.01% at -10dBu and 1kHz at unity gain. This low distortion level ensures that the audio remains clean and transparent, preserving the integrity of the original sound source.
Dynamic Range: The microphone dynamic range is 115dB A-weighted, signifying the ability of the preamp to handle a wide range of audio levels without distortion or loss of detail, making it suitable for various recording applications.
Power Requirements: The preamp requires +12VDC at 1000mA via an external power supply, which is included. This ensures that the device operates efficiently while providing the necessary power for its features.
Dimensions: The TubePre v2 is housed in a 1/3U rack-mount chassis, making it compact and easy to integrate into existing studio setups without taking up too much space.
Packaging Info
| Package Weight | 3.3 lb |
|---|---|
| Box Dimensions (LxWxH) | 12.5 x 7.7 x 4.3" |
Package Weight refers to the total weight of the PreSonus TubePre v2, which is 3.3 lb. This weight is important for users to consider when transporting the unit, as it indicates the product's portability. A lighter weight can make it easier to carry to gigs or studio sessions, while still maintaining the robustness necessary for a professional-grade preamplifier.Show More
Box Dimensions (LxWxH) indicate the physical size of the packaging, which is 12.5 x 7.7 x 4.3 inches for the TubePre v2. These dimensions are relevant for storage and shipping purposes. Understanding the box size helps users plan for space in their equipment bags or studio setups, ensuring that the preamp fits well with other gear. The compact dimensions also suggest that the unit is designed for ease of use in various environments, whether live or in the studio.
Customer Images
Customer Questions
How do I connect the TubePre v2 to my audio interface?
To connect the PreSonus TubePre v2 to your audio interface, use an XLR cable to connect the output of the TubePre to the input of your audio interface. Ensure the interface is set to line-level input for optimal performance.
What power supply does the TubePre v2 require?
The TubePre v2 requires a 12V DC power supply, which is typically included with your purchase. Make sure you're using the correct power supply to avoid damage.
Why is there no sound coming from my TubePre v2?
Ensure all connections are secure and the power supply is properly connected. Check that the gain and output knobs are turned up. Also, verify that your audio interface is set to the correct input channel.
How do I engage the 48V phantom power on the TubePre v2?
Press the '48V' button on the front panel of the TubePre v2 to engage phantom power. This is necessary for condenser microphones that require external power.
What is the ideal input level for the TubePre v2?
Aim for the input level LED to occasionally hit the '0' mark without consistently peaking into the red. This ensures you're getting a strong signal without distortion.
How can I use the TubePre v2 as a DI box?
To use the TubePre v2 as a DI box, connect your instrument to the 1/4-inch input on the front panel. The TubePre will then amplify and convert your instrument's signal to line level.
What does the 'Gain' knob do on the TubePre v2?
The 'Gain' knob on the TubePre v2 adjusts the input level from your connected instrument or microphone. Increasing the gain will amplify the input signal.
Why is there a hum or noise when using the TubePre v2?
Check all cable connections for any loose or faulty connections. Ensure that your power source is stable and try connecting to a different outlet to rule out ground loop issues.
How do I know if the tube is working on my TubePre v2?
A good indication of the tube working is the warmth and character added to your audio signal. If the unit powers on and functions correctly, the tube is likely operational.
Can I replace the tube in my TubePre v2, and how?
Yes, the tube in the TubePre v2 can be replaced. Ensure the unit is powered off and unplugged. Remove the top cover screws to access the tube bay. Carefully remove the existing tube and replace it with a compatible 12AX7 tube.