SKU: 27760471301

Pro-Ject Tube Box DS3 B

Sale price$359.55 Regular price$399.50
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Description

Pro-Ject Tube Box DS3 BPro Ject Tube Box DS3 B Audiophile Grade Phono Preamplifier The Tube Box DS3 B is a sophisticated phono pre amplifier designed for MM and MC cartridges, benefiting from a dual mono electrical layout, valve output stage and balanced connection options. Pro Jects fully adjustable impedance dial on the front panel allows for fine adjustment with moving coil cartridge systems. Pro Jects Tube Box phono stages have been a part of the range for many years

Pro-Ject Tube Box DS3 B Audiophile-Grade Phono Preamplifier 

The Tube Box DS3 B is a sophisticated phono pre-amplifier designed for MM and MC cartridges, benefiting from a dual-mono electrical layout, valve output stage and balanced connection options. Pro-Ject’s fully adjustable impedance dial on the front panel allows for fine adjustment with moving coil cartridge systems. 

Pro-Ject’s Tube Box phono stages have been a part of the range for many years and are enduringly popular for their high-end sound performance. The Tube Box DS3 B is the first to add balanced input and output options to the mix as part of Pro-Ject’s True Balanced Connection concept. The result is an even cleaner and clearer musical performance thanks to the reduced noise and higher gain from using a balanced connection.

The Tube Box DS3 B still features RCA connection options as well, meaning you can connect two turntables or tonearms at the same time. The input settings for Loading, Gain, Capacitance, and the Subsonic filter – all accessed clearly on the front panel – are stored in the memory as you switch between RCA and XLR input options. 

Pro-Ject’s load impedance dial, as featured on its other high-end phono stages, is included on the Tube Box DS3 B. This handy tool allows for very fine, seamless adjustment of the impedance during playback, so you can easily assess the impact of different loading options on your cartridges and style of music. 

The Tube Box DS3 B is made with premium components throughout, all housed in an aluminium casing that protects against interference. It benefits from an external power adapter for reduced noise and electrical interference around the sensitive electronics, but can also be upgraded further with a linear power supply upgrade. As with other DS Line electronics, the Tube Box DS3 B can also be visually upgraded with magnetically attached wooden side panels for a more retro aesthetic

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 27760471301

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Steph E
Grantham, US
★★★★★ 5
Quality
Size: 3X-Large, Color: Dusty Rose Melange
Good fit
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Reviewed in the United States on May 17, 2026
A
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Adriana Vasilak
San Leandro, US
★★★★★ 5
ASICS Gel Running Shoes – Comfortable, Lightweight & Perfect for Gym and Running
Size: 10.5 X-Wide, Color: Black/White, Size: 10.5 X-Wide, Color: Black/White
I recently tried a pair of ASICS Gel sneakers, and I’m really impressed. They are extremely comfortable, with great cushioning that makes a big difference during workouts. I’ve used them both at the gym and for running, and they perform very well in both situations. The support is excellent, and they feel stable without being too heavy. I especially like how they absorb impact when running, which helps reduce stress on my feet and knees. They also have a nice fit and feel breathable, so my feet don’t get too hot. Overall, I’m very happy with them. If you’re looking for comfortable and reliable sneakers for the gym and running, I would definitely recommend ASICS Gel shoes.
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Reviewed in the United States on April 20, 2026
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Verified Purchase
Benyamin
Lowell, US
★★★★★ 5
Great Shoes by Asics
Size: 9.5 X-Wide, Color: Piedmont Grey/Black
Comfortable and durable as heck; classic Asics quality. I love the casual appearance of it, which means I can wear it on a daily basis too. True to the size.
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Reviewed in the United States on April 11, 2026
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Francismommyof3
San Leandro, US
★★★★★ 5
Excellent for a 4E wide foot!
Size: 9 X-Wide, Color: Piedmont Grey/Black
As a female with a wide foot, it is very hard to find a good, comfortable shoe for walking, running and hiking. These were immediately comfortable and really didn't require a break in, although they are more comfortable after a few days of use. My 1st day I put about 5 miles on them and they were great. The cushion isn't like a cloud, but it's there and very responsive. These are very supportive and breathable. I have gone on a few Easy to moderate hikes with them and they're just fine for a dryer trail. They have good grip for rocks as well. 10/10 for these! I will also add that I underpronate, and these provide wonderful stability for that.
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Reviewed in the United States on April 17, 2026
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Amazon Customer
Houston, US
★★★★★ 4
Great comfort, but not built for long-term daily use
Size: 9.5 X-Wide, Color: Black/White, Size: 9.5 X-Wide, Color: Black/White
I've had this shoe for almost a year now. I use it almost daily on a walking pad while working from home, plus as a gym shoe. After nearly a year of this routine, I've noticed considerable wear on the sole. Don't get me wrong: the shoe is great and very comfortable, looks decent, and fits great at the start, and has good breathability. However, that comfort has started to fade as the shoe has worn down. Gel-Contends 9 is a really good shoe, but definitely not a long-term, heavy-use shoe. Perfect for casual or rotation use, occasional runs, but don't expect it to last 12+ months of daily wear.
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Reviewed in the United States on April 22, 2026

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