Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps
Pro-Ject Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier Phono Preamps

Pro-Ject Tube Box DS3 B True Balanced Phono Preamplifier

Pro-Ject  /  Phono Preamps

PRO-TUBEBX-D3-BXX-BLK

RRP $1,529.00 $1,376.00 Save 10%
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  • Free Delivery Australia Wide
  • Local Australian Warranty
  • 1800 100 998 For Assistance

We take pride in our customer service and shipping times. Most products will ship within 1-2 business days. If there are any potential delays with products in your order, we will contact you.

All orders now come with free shipping Australia Wide.

We use a variety of shipping methods depending on the types of items purchased and their delivery location. This helps to ensure your items arrive safely and in a timely manner. If you are on a tight deadline or would like to know an estimated delivery date for your order, contact our friendly staff and they will be happy to assist.

Orders will usually take between 1-6 days for delivery, depending on your location and shipping method.

If your order has not been delivered within 7 days of shipping we recommend you reach out to us directly to investigate with Australia Post / Courier.

If for any reason you haven't followed up with us within 30 days of shipping, we'll be unable to guarantee your delivery of your item unless it has been returned to sender. 

High-End Tube Sound

The Tube Boxes have been an integral part of our product portfolio for many years. Now, the new Tube Box DS3 B adds balanced in- and outputs to the beloved tube amplification. This precision tube phono preamplifier benefits from outstanding circuit technology from Dr. Sykora and uses ultimate components.

Cartridge loading options

You can connect two turntables at the same time & easily set everything on the front plate. Input settings are stored in the memory, and ranges from 40dB up to 65dB are possible. You can perfectly match it with a wide variety of cartridges and integrate it into the rest of your hi-fi system, matching the volume levels accurately to other sources like CD players or streaming devices. Load impedance can be set continuously via potentiometer, a system invented by Pro-Ject Audio Systems.

It allows you to seamlessly adjust the impedance during playback and immediately assess the impact of different loading options. This is necessary to find just the right load impedance for your cartridge. No other manufacturers implement this feature in this way.

Balanced Signal Transmission

Connect your turntable either with the 5-pin mini XLR cable or standard XLR cables & profit from the balanced signal transmission. Symmetrical, also called balanced, transmissions consist of a hot and a cold (also called + and -) signal. Both signal chains effectively carry the same musical information. The Tube Box DS3 B can extract the final musical information out of the +/- signals and remove all noise that was potentially added along the transmission. All components including tube output and polypropylene capacitors are audiophile grade and guarantee a breathtaking sound experience.

Technical Specifications

  • Tube assembly: 2x E88CC / 6922
  • Input impedance: Stepless 10-1000 Ohms, fix 47 kOhms
  • Capacitance: 50 / 150 / 300 / 400 pF
  • Gain (+6dB using XLR Out): 40 / 45 / 50 / 55 / 60 / 65 dB
  • Output voltage typically: 500 mV/1kHz at 5mV/1kHz (at 40dB)
  • Signal-to-noise ratio: >87dBV -, A weighted
  • THD: < 0,03%
  • RIAA curve accuracy: +/- 0,5dB/20Hz - 20kHz
  • Subsonic filter: at 20Hz with 18dB/octave
  • Input: 1x 5-pin mini XLR / 1x pair XLR / 1x pair RCA phono
  • Output: 1x pair RCA, 1x pair XLR
  • Power supply: 18V/1000mA DC
  • Power consumption: max 750 mA DC / < 0,5 watt standby
  • Dimensions W x H x D: 206 x 70 x 194 mm
  • Weight: 1560g (without power supply)

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Testimonials

★★★★★

CHT Solutions has been very prompt to respond and ship the items. I will never hesitate to buy from them again. More power to CHT Solutions!

Richard Y.
Thornleigh, NSW
★★★★★

CHT delivery was incredibly fast, Many thanks all for such an easy purchase process and super fast delivery. 5 stars from me

Chris N.
Malaga, WA
★★★★★

Buying from CHT Solutions was easy and their price was great and I would recommend then to anyone seeking good Hi Fi equipment.

John L.
Woonona, NSW
★★★★★

Fast delivery and great products. Would recommend them to anyone needing great service for sound advice.

Oscar F.
Truganina, VIC
★★★★★

CHT delivered the unit to South Australia within a couple of days. Amazing! Their phone customer service was professional and courteous. Will happily purchase from them again

Robert F.
Tranmere, SA