1 / 8

Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier
Pro-Ject - Tube Box S3 B - Phono Preamplifier

Pro-Ject

Pro-Ject - Tube Box S3 B - Phono Preamplifier

$1,034.00 $1,149.00
Why Pay Full Price?

In stock

Delivery Australia-wide

Shipping calculated at checkout

Pick up from The Audio Tailor Usually ready in 2-4 days. We'll let you know when it's ready to collect. Store info
9/20 Rivergate Pl, Murarrie QLD 4172
Tuesday to Friday
9am to 5pm
Saturday
9am to 3pm
Sunday and Monday
Closed
Get directions Call 1300 308 711 Book a listen

Experience it in store

Want to hear it first?

Call or message us to check it's set up to demo in our Murarrie listening rooms.

Ask about a demo Call 1300 308 711
Unit 9/20 Rivergate Place, Murarrie, Qld 4172 Get directions
  • Australian Hi-Fi Retailer of the Year
  • Fast, insured delivery Australia-wide
  • Trade in your old gear and upgrade
  • Advice from experts, not salespeople

Overview

Tube Box S3 B

Brand
Pro-Ject
Category
Phono Preamplifiers
SKU
PRO-TUBEBX-S3-BXX-SIL
Colour
Black, Silver

Not sure it's the right fit for your room or system? Our team can talk you through it.

Call 1300 308 711
Our thoughts

Two separate amplifier sections carrying the hot and cold signals are what set this compact tube phono stage apart. It suits owners who want a balanced turntable path and a fully discrete gain stage in a steel and aluminium chassis built in Europe.

Each signal has its own amplifier section, so the balance runs through the gain stage rather than stopping at the input, with the aim of cancelling noise picked up along the cable. The 40 to 65dB gain range lets the output be matched to CD or streaming sources, and cartridge loading sits on the front panel, with each input's settings stored in memory.

It suits owners with MM or MC cartridges who want a balanced path from turntable to amplifier, and it is ready for Pro-Ject's True Balanced connection. Our team can talk through loading choices and how the output fits your existing system, so call us or visit our Murarrie showroom.

The Audio Tailor team, Murarrie showroom

High-End Features For the Entry-Level: Steel & aluminium casework. Fully discrete & symmetrical gain stage. Balanced in & outputs. Cartridge loading options on front panel.

True Balanced - Unleash the full power: Tube Box S3 B is ready for Pro-Ject’s new True Balanced Connection. With one of our new True Balanced phono cables and an MC cartridge you'll hear details and dynamics, previously exclusive to only the most expensive phono stages.

Handmade in EU Since 1991: Made in Europe by technicians, engineers and designers with decades of experience. Expert craftsmanship. Sustainable products with a long lifetime. Audiophile audio performance.

AUDIOPHILE TUBE WARMTH

The Pro-Ject Tube Box S3 B is an audiophile phono preamplifier that brings true analog warmth to your vinyl playback. It features a fully symmetrical and discrete gain stage, balanced 5-pin mini XLR input, and balanced XLR outputs.

Available in silver or black and made in Europe, the Tube Box S3 B is a compact yet powerful upgrade for any serious vinyl setup.

Cartridge loading options

Large ranges from 40dB up to 65dB are possible. A fully balanced design makes all the difference here. You can perfectly match it with a wide variety of cartridges and integrate it into the rest of your HiFi system, matching the volume levels accurately to other sources like CD players or streaming devices. The loading options for MM and MC are designed so that the widest array of cartridges will work perfectly with the Tube Box S3 B. Ultra low values like 50 pF or 10 ohms allow you to account for special situations, for example sub-ideal higher capacitance cables. Each input's settings are stored in the memory. The Tube Box S3 B always has you fully covered.

”B“ stands for balanced

The symmetrical design is the real standout feature! Connect your turntable with the 5-pin mini XLR cable & profit from the balanced signal path. Symmetrical, or also called balanced, transmissions consist of a hot and a cold (also called + and -) signal. Both signal chains effectively carry the same musical information. A true balanced gain stage can now extract the final musical information out of the +/- signals and subtract, remove, all noise that could potentially be added along the transmission. As there are two separate signal chains, we also needed two individual amplifier sections. Definitely unseen in this price range & the best and cleanest amplifier for your phono signal!

Specifications

Technical details

Manufacturer specifications. Want to know how it compares with something else? Ask our team.

Tube assembly2x ECC83 (12AX7)
Input impedance10, 50, 100, 1k, 47k ohms
Input capacitance50, 150, 300, 400 pF
Gain (+ 6dB using XLR Out sockets)40, 45, 60, 65 dB
Signal / Noise ratio MM (40dB)97dBV, 105dBV - 'A' weighted
Signal / Noise ratio MC (60dB)83dBV, 88dBV - 'A' weighted
THD at 1 kHz<0,005% MM, < 0,01% MC
THD (20Hz-20kHz)<0,1% MM, < 0,03% MC
RIAA-equalization curve accuracy<0,4dB / 20Hz - 20kHz
Subsonic filterat 20Hz with 18dB/octave
Input1x 5-pin mini XLR / 1x pair RCA phono sockets
Line-level output1x pair RCA, 1x pair XLR
Power supply DC18V/1000mA
Power consumption18V/800mA DC, <0.5 W in standby
Dimensions206 x 81 x 153 (164 with sockets) mm (W x H x D)
Weight1010g without power supply

The Audio Tailor showrooms, Brisbane

Hear it before you buy.

Nine purpose-built listening spaces in Murarrie, from our ultra reference Luxury Room to Turntable Alley. Book a private session, bring the music you know best and take your time. No pressure, just great sound.

Book a listening session Explore the showrooms
  1. 01 Pick a room Relaxed and lifestyle, dedicated and focused, or reference grade.
  2. 02 Book a session Tell us what you'd like to hear and we'll have the room ready.
  3. 03 Sit and listen Bring your music and your questions. Stay as long as you like.

Visit us

Unit 9/20 Rivergate Place, Murarrie, Qld 4172

Tuesday to Friday
9am to 5pm
Saturday
9am to 3pm
Sunday and Monday
Closed
Get directions 1300 308 711

Verified reviews

Loved by listeners across Australia

Every review is from a verified Audio Tailor customer, in-store or online.

5.0 1,950 verified reviews of The Audio Tailor

Popular Pro-Ject + Other Top Picks

The Audio Tailor difference

About Our Ridiculously Good, Award-Winning Service

Visit our showrooms

  • Award-winning

    Sound+Image Australian Hi-Fi Retailer of the Year, 2021 and 2022.

  • Listen before you buy

    Audition gear in purpose-built listening rooms at our Murarrie showroom.

  • Experts, not salespeople

    Genuine audiophiles who test what we sell and match it to your room.

  • Trade in and upgrade

    Get up to 75% back on speakers and cables with our trade-in programs.

Read our story Meet Stuart, Yvonne, Nathan and Vaughan, and why people trust them with their systems.
The Luxury Room in our Brisbane showroom

“Music isn't just my business, it's my firm belief that it enriches life's journey.”

Stuart Taylor, founder and director

In hi-fi since
1986
Stuart's first year in hi-fi
Awards
2×
Retailer of the Year, 2021 and 2022
Reviews
1,950+
verified customer reviews

Transform Your Listening Space: Personalised Expertise at Every Step

Ever felt the frustration of a mismatched audio system? The hours lost deciphering reviews, and the disappointment when it doesn't meet your expectations? We understand because we've been there.

Meet Stuart, Yvonne, Nathan, and Vaughan. But more importantly, meet the solution to your audio dilemmas.

Why Trust The Audio Tailor?

  1. Awarded Excellence: Honoured as Australia’s Hi-Fi Retailer of the Year in 2021 and 2022, and hailed as Queensland’s Best Hi-Fi Retailer. Not just accolades, but a testament to our dedication.
  2. Genuine Audiophiles, Not Salesmen: We aren’t just in this for sales. We're in it for the love of sound, and to enhance your auditory experiences.
  3. Personal Touch: Our commitment is to craft an audio experience tailored to you. Forget one-size-fits-all.

Our Promise?

To be with you at every step. From envisioning a serene evening with your favourite album to setting up the ultimate cinematic audio for movie nights. And once that’s clear, we’ll guide you on making it a reality, harmonising your budget, room dynamics, and dream.

What Makes Us Different?

We aren’t satisfied with the status quo. We rigorously test products, delve deep into the details, ensuring you get nothing but the best. We're about quality, not just brand names.

Call 1300 308 711Send a message Book a listening session Meet the team