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Pro-Ject / Phono Stage

Pro-Ject Tube Box S3 B

Pro-Ject Tube Box S3 B

Regular price €599,00 EUR
Regular price Sale price €599,00 EUR
Sale Sold out
Product VAT €103,95 included (21%).
🟢Insured Shipping from:  €3,00
🚚Estimated insured delivery:  17 Oct 2026 – 19 Oct 2026 LV · LT · EE
  • 🚚 Delivery in 1-4 days in the Baltics. 2-8 days EU
  • 💰 14 days return
  • 🔒 Secure payment: PayPal, 💳card, invoice
  • 🛡️Shipping insurance
  • 🟢 2 years warranty
  • 🧱 Installation service

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Color

10 in stock

Hotline: 🟢 PremiumHIFI audio store/ 💬 Chat / ✉️ Email

Shipping Terms

  • Shipping method: Standard
    Shipment cost:
  • EU 25€
  • LT, EST 6€
  • LV 3€
  • RU, USA 200€
  • Other countries 200€
  • Dispatched usually 2 - 5 business days after order placement
  • Some times, dispatched up to 20 business days, we will inform additional, after order placement.

https://premiumhifi.lv/policies/shipping-policy

🧾 Overview

Pro-Ject Tube Box S3 B is a fully balanced MM/MC tube phono preamplifier using two replaceable ECC83 valves and a fully symmetrical discrete gain stage. Balanced mini-XLR input, XLR output and front-panel loading controls make it suitable for both conventional and True Balanced vinyl systems.

✅ Key Features

  • ✅ 2 × ECC83 / 12AX7 replaceable tubes
  • ✅ Fully symmetrical discrete gain stage
  • ✅ MM and MC cartridge support
  • ✅ 5-pin mini-XLR balanced input
  • ✅ Balanced XLR and unbalanced RCA outputs
  • ✅ Selectable impedance, capacitance and gain
  • ✅ 20 Hz subsonic filter
  • ✅ Made in Europe
📊 Technical Specifications ▼
Parameter Value
Tubes 2 × ECC83 / 12AX7
Input impedance 10 / 50 / 100 Ω / 1 kΩ / 47 kΩ
Input capacitance 50 / 150 / 300 / 400 pF
Gain 40 / 45 / 60 / 65 dB; +6 dB via XLR output
Subsonic filter 20 Hz, 18 dB/octave
Dimensions 206 × 81 × 153 mm; 164 mm including sockets
Weight 1.01 kg without power supply

📦 What’s in the Box

  • 📦 Pro-Ject Tube Box S3 B
  • 🔌 External power supply

🔄 Compatibility

Compatible with MM and MC cartridges. For a Pro-Ject True Balanced connection, use a balanced-capable cartridge, matching mini-XLR phono cable and the balanced input/output path.

📦✈️ Shipping & Returns

  • 📦 Insured worldwide delivery
  • 🔄 14-day return policy
  • 🛡️ 2-year EU warranty

📝 Reviews

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⚠️ Warning

Valve rolling plus cartridge loading can turn one phono stage into several evenings of experimentation.

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