{"product_id":"pro-ject-tube-box-ds3b-balanced-phonostage","title":"Pro-Ject Tube Box DS3B Balanced Phonostage","description":"\u003ch1\u003ePro-Ject Tube Box DS3B Balanced Phonostage\u003c\/h1\u003e\n\u003ch3\u003eAn MM or fully balanced MC phonostage with 6922 tubes, two inputs, and many settings. Made in Europe\u003c\/h3\u003e\n\u003cp\u003eTube phonostages have been an integral part of Pro-Ject's product portfolio for many years. The latest Tube Box DS3 B adds balanced capability to the mix, making this Pro-Ject's first true balanced tube phono preamp. The design benefits from an outstanding dual-mono circuit layout with discrete components assembled with expertise in Europe. It’s a hybrid design utilizing tubes in the input and gain stages. All electrical components (including the tube output stage) are audiophile-grade, merging to deliver breathtaking sound quality from your turntable and phono cartridge.\u003c\/p\u003e\n\u003cp\u003eIn addition to settings for moving magnet cartridges, the Tube Box DS3 B allows you to upgrade to true balanced operation with a moving coil cartridge on most Pro-Ject turntables. This allows the input circuit to subtract hum and noise picked up during the transmission.\u003c\/p\u003e\n\u003cp\u003eThe Tube Box DS3 B comes in a steel and aluminum chassis providing very high rigidity and splendid isolation from interference. Tube Box DS3 B is available in silver or black. Magnetic wooden side panels are sold separately.\u003c\/p\u003e\n\u003ch4\u003eAdvanced Circuitry\u003c\/h4\u003e\n\u003cp\u003eThe Tube Box DS3B will let you connect two turntables at the same time, one balanced, one single-ended. Switching between the two tables and their settings is conveniently available on the front panel. Input settings for each input are stored individually and recalled automatically.\u003cbr\u003e\u003cbr\u003eA large gain range from 40dB up to 65dB is possible. You can match it with a wide variety of cartridges and seamlessly integrate it into the rest of your system, matching the volume levels accurately to other sources like CD players or streaming devices. \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eBalanced XLR inputs and outputs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eBalanced mini XLR input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eContinuously variable cartridge loading\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003ePrecise RIAA equalization\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eLow-noise, low-distortion circuitry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMM and MC capable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDual-mono design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eSubsonic filter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAluminum chassis shields RF\/EMI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAvailable in silver or black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eOptional magnetic wooden side panels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eMade in Europe\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTube Complement: \u003c\/strong\u003e2 x 6922\/E88CC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003cspan\u003e 10-1,000 Ohm, \u003c\/span\u003e47 kOhm\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCapacitance:\u003c\/strong\u003e\u003cspan\u003e 50, \u003c\/span\u003e150, 300, 400 pF\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGain:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e40, 45, 50, 55, 60, 65 dB\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutput voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500 mV @ 1 kHz (at 5 mV input voltage @ 1 kHz)\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003eRIAA Equalization Curve Accuracy (20 Hz-20 kHz):\u003c\/strong\u003e\u003cspan\u003e \u0026lt;\u003c\/span\u003e 0.5 dB \u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e\u003cspan\u003e 1 x 5-pin mini XLR, 1 x pair XLR, 1 x pair RCA\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 x pair RCA, 1 x pair XLR\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e18 V\/1,000 mA DC\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower consumption:\u003c\/strong\u003e\u003cspan\u003e 750\u003c\/span\u003e mA DC, \u0026lt; 0.5 W standby\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WHD):\u003c\/strong\u003e 8.11\" x 3.54\" x 8.94”\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight, without PSU:\u003c\/strong\u003e 3.44 lb.\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Silver","offer_id":42892684165304,"sku":"TUBE BOX DS3B SIL","price":1099.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":42892684198072,"sku":"TUBE BOX DS3B BLK","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/Tube-Box-DS3-B-6_png.webp?v=1741629951","url":"https:\/\/upscaleaudio.pro\/products\/pro-ject-tube-box-ds3b-balanced-phonostage","provider":"Upscale Audio","version":"1.0","type":"link"}