{"product_id":"radial-j48-active-direct-injection-box-with-high-pass-filter-used","title":"Radial J48 Active Direct Injection Box with High Pass Filter (Used)","description":"\u003cp\u003e\u003cstrong\u003eLike New\u003c\/strong\u003e: Open box product with no signs of use.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eRadial J48 | Active Direct Injection Box with High Pass Filter\u003c\/h2\u003e\u003cp\u003eThe Radial J48 Active Direct Injection Box with High Pass Filter is the epitome of professional-grade audio performance. Engineered to deliver the most natural sound, this DI box is the preferred choice for musicians who want to retain the true character of their instruments without any added distortions or artifacts. Its advanced design, featuring 48V phantom power, ensures an exceptionally linear response that spans from 20Hz to well over 40kHz. This allows for a pristine, transparent sound quality that brings out the best in your music.\u003c\/p\u003e\u003cp\u003eOne of the standout features of the Radial J48 is its unique digital switching power supply, which raises the internal operating rail voltage for added headroom and improved signal handling. This innovation enables the J48 to outperform other direct injection boxes that cost several hundred dollars more. In addition to its exceptional sound quality, the J48 is built for durability, making it ideal for both studio and road use. Its rugged ‘book-end’ design protects switches and connectors from damage, while the internal I-beam construction eliminates stress on the PC board, ensuring years of trouble-free performance.\u003c\/p\u003e\u003cp\u003eWhether you're an acoustic guitarist like Tommy Emmanuel, a super-star engineer like Joe Chiccarelli, or part of a legendary band like Fleetwood Mac, the Radial J48 offers the reliability and sound quality you need. With professional-grade features such as a -15dB input pad, 180-degree polarity reverse, ground lift, and an 80Hz high-pass filter, the J48 is designed to meet the demands of the most discerning audio professionals.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUltra low distortion of all types\u003c\/li\u003e\n\u003cli\u003eExceptional headroom \u0026amp; dynamic range\u003c\/li\u003e\n\u003cli\u003eRetains the instrument's natural sound\u003c\/li\u003e\n\u003cli\u003ePowered by 48V phantom\u003c\/li\u003e\n\u003cli\u003e-15dB input pad to manage loud signals\u003c\/li\u003e\n\u003cli\u003e180-degree polarity reverse for feedback control\u003c\/li\u003e\n\u003cli\u003eGround lift to reduce hum \u0026amp; buzz\u003c\/li\u003e\n\u003cli\u003eMerge function for mono output without phase cancellation\u003c\/li\u003e\n\u003cli\u003e80Hz high-pass filter for resonant feedback control\u003c\/li\u003e\n\u003cli\u003eRugged book-end design for protection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAudio circuit type: Proprietary analog circuit with low-noise op-amp\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20Hz ~ 20kHz\u003c\/li\u003e\n\u003cli\u003eDynamic range: 109dB\u003c\/li\u003e\n\u003cli\u003eNoise floor: -99dB below 0dBu\u003c\/li\u003e\n\u003cli\u003eEquivalent input noise: -103dBu\u003c\/li\u003e\n\u003cli\u003eMaximum input: +10dBu\u003c\/li\u003e\n\u003cli\u003ePhase deviation: +10 degrees at 20Hz | 0 degrees at 1kHz | -1 degree at 20kHz\u003c\/li\u003e\n\u003cli\u003eTotal harmonic distortion: 0.002% @ -5dBu\u003c\/li\u003e\n\u003cli\u003eInter-modulation distortion: 0.003% @ -3dBu\u003c\/li\u003e\n\u003cli\u003eInput impedance: 220k Ohm: 1\/4\" input\u003c\/li\u003e\n\u003cli\u003eOutput impedance: 600 Ohm - XLR output\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRadial J48 Active Direct Injection Box\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003cli\u003eWarranty Card\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radial","offers":[{"title":"Default Title","offer_id":45959347732677,"sku":"RAD-ACC-J48-BA","price":233.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/8b31a656-9a1f-446e-ade0-c4910127d7cb.jpg?v=1737418688","url":"https:\/\/avlgear.com\/products\/radial-j48-active-direct-injection-box-with-high-pass-filter-used","provider":"AVLGEAR","version":"1.0","type":"link"}