---
product_id: 87763493
title: "Pro-Ject Tube Box S2, MM/MC valve phono preamplifier, Black"
brand: "pro-ject"
price: "10671 kr"
currency: NOK
in_stock: true
category: "Pro Ject"
url: https://www.desertcart.no/products/87763493-pro-ject-tube-box-s2-mm-mc-valve-phono-preamplifier
store_origin: NO
region: Norway
---

# Ultra low-noise discrete circuit, zero op-amps 2 ECC83 tubes for rich, warm sound Aluminum-metal housing blocks vibration & EMI Pro-Ject Tube Box S2, MM/MC valve phono preamplifier, Black

**Brand:** pro-ject
**Price:** 10671 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your vinyl game with tube-powered clarity and style!

## Quick Answers

- **What is this?** Pro-Ject Tube Box S2, MM/MC valve phono preamplifier, Black by pro-ject
- **How much does it cost?** 10671 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/87763493-pro-ject-tube-box-s2-mm-mc-valve-phono-preamplifier)

## Best For

- pro-ject enthusiasts

## Why This Product

- Trusted pro-ject brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pure Tube Warmth:** Miniature pioneering phono tubes deliver premium analog sound that audiophiles crave.
- • **Precision Control:** Front panel gain and subsonic filter switches let you tailor your sound with ease and accuracy.
- • **Noise-Free Listening:** Discrete circuit design with polystyrene capacitors ensures ultra-low noise and crystal-clear audio.
- • **Built to Last & Perform:** Robust aluminum and metal sandwich housing protects against vibration and electromagnetic interference for consistent performance.
- • **Versatile Compatibility:** Supports both MM and MC pickups, making it the go-to preamp for any vinyl setup.

## Overview

The Pro-Ject Tube Box S2 Black is a high-end phono preamp featuring dual ECC83 tubes in a double mono design for superior channel separation. It supports both MM and MC cartridges, employs a low-noise discrete circuit without op amps, and uses audiophile-grade polystyrene capacitors. Its sturdy aluminum-metal housing minimizes vibration and EMI, while front panel controls offer customizable gain and subsonic filtering, making it a top choice for discerning vinyl enthusiasts.

## Description

Product Description 2 x ECC83, replaceable. Swap the valves to shape the sound to your own taste. 2 x ECC83, replaceable. Swap the valves to shape the sound to your own taste. Fully discrete design. Without op-amps, with FET input stage and dual-mono design. Fully discrete design. Without op-amps, with FET input stage and dual-mono design. Adjustable from the front. Gain and subsonic filter are switched on the front panel, for MM and MC. Adjustable from the front. Gain and subsonic filter are switched on the front panel, for MM and MC. Gold-plated RCA sockets. One pair each for input and line-level output, plus an outboard power supply. Gold-plated RCA sockets. One pair each for input and line-level output, plus an outboard power supply. Innovative in miniature. The Tube Box S2 is our first product with a fully discrete design and no op-amps at all. The valves can be swapped to shape the sound to your own taste: distinctly relaxing, with rich mid-range. Tube Box S2 in two colours. Black Aluminium/metal sandwich housing View Black Aluminium/metal sandwich housing Silver Aluminium/metal sandwich housing View Silver Which box is right for you? Phono Box S2 Tube Box S2 Tube Box E Cartridge MM and MC Valves none 2 x ECC83 Gain 40, 43, 60 or 63 dB 40, 43, 50, 60, 63 dB Weight 570 g 410 g without power supply 450 g without power supply W x H x D 103 x 36 x 115 mm 103 x 73 x 131 mm Made in Europe. By technicians, engineers and designers with decades of experience. Expert craftsmanship, sustainable products with a long lifetime. Which cartridges is the Tube Box S2 suitable for? For MM and MC cartridges. Gain is selected on the front panel, and the 47 kohm setting also suits high-output MC. Which cartridges is the Tube Box S2 suitable for? For MM and MC cartridges. Gain is selected on the front panel, and the 47 kohm setting also suits high-output MC. Can I swap the valves? Yes. The two ECC83 (12AX7) valves are replaceable. Can I swap the valves? Yes. The two ECC83 (12AX7) valves are replaceable. Which connections does it have? One pair of RCA sockets each for input and line-level output. Which connections does it have? One pair of RCA sockets each for input and line-level output. Is a power supply included? Yes, a plug-in power supply (18 V / 1,000 mA DC) is included. Standby consumption is under 1 W. Is a power supply included? Yes, a plug-in power supply (18 V / 1,000 mA DC) is included. Standby consumption is under 1 W. How big is the Tube Box S2? 103 x 73 x 131 mm with sockets, 410 g without power supply. It is available in black or silver. How big is the Tube Box S2? 103 x 73 x 131 mm with sockets, 410 g without power supply. It is available in black or silver.

## Features

- Valve phono preamplifier in a miniature format: fully discrete design without op-amps, ultra-low-noise circuitry with FET input stage, dual-mono design for improved channel separation, audiophile polystyrene capacitors
- 2x ECC83 valves (replaceable): the fitted valves can be swapped, so the sound can be shaped to your own taste with other valves; a distinctly relaxing sound with rich mid-range
- For MM and MC cartridges: front-panel gain settings from 40 to 63 dB and five input impedances (10 ohms, 100 ohms, 1 kohm, 2 kohms and fixed 47 kohms, also suitable for high-output MC)
- Precise RIAA equalisation in two stages (passive/active), deviation max. 0.4 dB; front-panel subsonic filter switch; aluminium/metal sandwich housing in black or silver; plug-in 18 V DC power supply included
- Pro-Ject Audio Systems: made in Europe since 1991 by technicians, engineers and designers with decades of experience; expert craftsmanship and sustainable products with a long lifetime

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075KPB1P2 |
| Best Sellers Rank | 41,150 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 346 in Hi-Fi Receivers & Separates 12,798 in Hi-Fi & Home Audio Accessories |
| Brand | Pro-Ject |
| Customer Reviews | 4.6 4.6 out of 5 stars (437) |
| Item Highlight | MM and MC, 2x ECC83 (replaceable), fully discrete without op-amps, dual mono, aluminium/metal sandwich housing |
| Item Weight | 2.12 Pounds |
| Manufacturer | Pro-ject |
| Manufacturer Part Number | Pro-Ject Tube Box S2 |
| Material | Cotton |
| Maximum Supply Voltage | 18 Volts |
| Model Number | Pro-Ject Tube Box S2 |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Power | 10 Watts |
| Package Type Name | single unit box |
| Specification Met | CE |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Pro-Ject
- **Manufacturer:** Pro-ject
- **Maximum supply voltage:** 18 Volts
- **Mounting type:** Surface Mount
- **Number of channels:** 2

## Images

![Pro-Ject Tube Box S2, MM/MC valve phono preamplifier, Black - Image 1](https://m.media-amazon.com/images/I/61I-9T467CL.jpg)

## Questions & Answers

**Q: Which cartridges is the Tube Box S2 suitable for?**
A: For MM and MC cartridges. Gain is selected on the front panel, and the 47 kohm setting also suits high-output MC.

**Q: Can I swap the valves?**
A: Yes. The two ECC83 (12AX7) valves are replaceable.

**Q: Which connections does it have?**
A: One pair of RCA sockets each for input and line-level output.

**Q: Is a power supply included?**
A: Yes, a plug-in power supply (18 V / 1,000 mA DC) is included. Standby consumption is under 1 W.

**Q: How big is the Tube Box S2?**
A: 103 x 73 x 131 mm with sockets, 410 g without power supply. It is available in black or silver.

## Frequently Bought Together

- Pro-Ject Tube Box S2 Pure-Tube MM/MC Phono Preamplifier (Black)
- Primeda Auidophile 2RCA Male to 2RCA Male Stereo Audio Cable,Gold Plated | 4N Oxgen-Free Copper Core (3 Feet (1M))
- Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-29*