Pro-Ject
Pro-Ject Tube Box S2 Phono Preamplifier
Experience the rich, warm sound of vacuum tubes with the Pro-Ject Tube Box S2 Phono Preamplifier. This compact unit delivers exceptional performance, offering a significant upgrade over built-in phono stages. Its fully discreet circuit design, free from operational amplifiers, allows for tube rolling to personalize your audio experience. Enjoy a full, natural sound with detailed mids and a spacious soundstage, supporting both MM and MC cartridges. The robust aluminum/metal casing ensures durability and protection, making it a high-end audio solution for any analog hi-fi system.
$499.00
Owner Satisfaction
4.5
/ 5
Category Rank
414
/ 466
#414 in Phono Preamps
Price vs Category Average
-93%
Below average
Input impedance
101004701000200047
/ / / / / Ohms / fixed k Ohms (MM)
Who it's for
- Rich, Analog Sound
- Versatile Cartridge Matching
- Premium Build & Compact Design
Who should skip it
- Tube Maintenance & Lifespan
- Higher Investment
- Warm-up Period Required
Key Specs
Input impedance
10 / 100 / 470 / 1000 / 2000 Ohms / fixed 47 k Ohms (MM)
Input capacitance
50 / 150 / 270 / 370 / 490 / 590 pF
Gain
40 / 43 / 50 / 60 / 63 dB
Subsonic switch
-12dB @ 20Hz
Signal-to-noise ratio
77 dBA
THD
<0.0025%
RIAA deviance
Max. 0.4 dB / 20 Hz - 20 kHz
Dimensions
4" wide, 3" high, 4" deep (4.5" deep with connectors)
Features
- Lush vacuum tube sound for a warm audio experience.
- Supports both MM and MC cartridges.
- Fully discreet circuit design without Op-Amps.
- Replaceable tubes for personalized sound shaping.
- Multiple gain and input impedance settings.
- Robust aluminum/metal casing for vibration protection.
- Precise RIAA equalization.
- Front-panel subsonic filter and gain control.
What customers say
Customers consistently praise the Pro-Ject Tube Box S2 Phono Preamplifier for its exceptional sound quality, particularly its ability to introduce a warm, rich, and detailed sonic character to vinyl playback. Many reviewers highlight a significant upgrade in audio performance, noting improved clarity and a more engaging soundstage. Its strong value proposition is also a recurring theme, as it delivers a genuine tube sound experience without a premium price tag, making it a highly recommended choice for audiophiles seeking to enhance their analog setup.
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