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Item # 153904 | Customer Ratings: Ratings ( 5 Based on 4 reviews)

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Radial Engineering J48 MK2 48V Phantom Power Active Direct Box
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      Radial Engineering J48 MK2 48V Phantom Power Active Direct Box (153904)
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Increased headroom, uncompromising sound.

The Radial J48 is a great-sounding active direct box that has been optimized to produce maximum headroom while working within the limited current available from standard 48V phantom power. By employing a unique switching power supply, the J48 is capable of peak transients to 9 volts without choking. The result is lower harmonic distortion, half the intermodulation distortion and significantly improved dynamics over other DIs.

Features include a -15dB pad, 180 degree polarity reverse, a unique merge function to mix 2 signals to mono, an 80Hz high-pass rumble filter, and ground lift. Like all Radial products, the J48 is built to handle abuse on the road and features a unique welded I-beam construction for years of trouble-free performance.

Radial Engineering J48 MK2 48V Phantom Power Active Direct Box Features:

  • Active 48-Volt phantom powered direct box
    -15dB pad
    180 degree polarity reverse
    Merge function to mix 2 signals to mono
    80Hz high-pass rumble filter
    Ground lift
    Welded I-beam construction
    Minimal power draw with high rail voltage
    Will not choke when driven hard
    Low intermodulation distortion




Radial Engineering J48 MK2 48V Phantom Power Active Direct Box

90 day warranty on footswitch and tubes. One year warranty on all other products.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 4 reviews)
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Viewing Reviews 1 - 3 of 4 |
  • Every Studio Needs One

    As reviewed by Studio 139 on 8/24/2006

    Direct boxes may not be flashy, but they make a huge difference to signal quality in any studio at any level. This active direct box has a plenty of head room for bass guitars or analog synthesizers. The sound is clean, quiet and rich. It is instant improve in your signal chain well worth every cent.

    8 of 8 people found this review helpful.
    Was this review helpful?
  • Great for studio and stage

    As reviewed by Grizzly on 8/29/2006

    I picked up one of these last year for the studio and found it equally useful on stage. It has excellent clean/low noise sound characteristics necessary for recording and live performance. In the studio it's handy to be able to connect it to a mic preamp which doesn't have it's own DI input. Just switch on the +48V phantom power on your mic pre and you're ready to go. The direct thru is another convenient feature in the studio for connecting a tuner or amp when recording electric guitar or bass. On stage, it's nice to have a noise eliminating DI box which can plug into any of the phantom powered mic inputs on the house PA system.

    7 of 7 people found this review helpful.
    Was this review helpful?
  • lots of features

    As reviewed by Tim on 5/9/2010

    I had never purchased a direct box before and wasn't for sure what to buy,Radial made it an easy choice.They offered so many different options and price points,not to mention rugged,quality,construction,and great technical support.I am very happy with my purchase.

    3 of 3 people found this review helpful.
    Was this review helpful?
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