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Radial Engineering J48 Phantom Powered Active Direct Box

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The Radial J48 is a great-sounding active direct box that has been optimized to produce maximum headroom while working within the limited current ava...Click To Read More About This Product

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OVERVIEW

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.

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

Just enough features to make it useful without making it complicated, plus pristine audio. Order now.

Reviews
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Review Snapshot

by PowerReviews
Radial EngineeringJ48 Phantom Powered Active Direct Box
 
4.0

(based on 6 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

67%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

  • Home studio (3)

Reviewed by 6 customers

Displaying reviews 1-6

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(9 of 9 customers found this review helpful)

 
5.0

Yes, it is that good (and I do not work for Radial)!

By Henry

from Syracuse, NY

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Ask me a question

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

I am a home hobbiest and home recorder.

I do not understand why, given the equipment which I already own, I need such a device.

I have excellent preamps, several of which offer DI for high impedance instruments. I own excellent software, plugins, guitar amp / speaker simmulation SW, good guitar amps, excellent microphones.

Yet with this device, I achieve a much better sound quality. And the difference is not subtle. The difference is not a change which only a trained audio engineer can hear. The difference is striking!

So for those of you who pursue the "Holy grail" of beautiful guitar signal, before you spend more $s on audioi plug ins, simulation SW, new guitar amp, new microphones, new preamp, new ADA converters, etc ..., you OWE it to yourself to try one of the Radial active DIs.

Please also understand that your final guitar signal will depend on all of the components along the way between your instrument and your recording device. Do not expect this device to make a miracle; IMO, do expect this device to make a very significant improvement.
It has what I need. And the LPF works as it should
As best I can tell, all of the few ports and buttons do as they should.
Until someone else can figure out how to offer this quality for less.

(8 of 8 customers found this review helpful)

 
5.0

Awesome Value

By Adam-C3Yfi

from Maryland

See all my reviews

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

Straight to the point: I will never plug a guitar, keyboard, etc. directly into a mixer again. Believe the hype...the Radial J48 MK2 is the real deal and it will take the sound dampening blankets off your instrument's signal.Now that guitar simulation plug-ins are becoming very realistic a lot of musicians are recording direct. I highly recommend this if you want to go the amp sim route, especially for bass guitar.You may see DIs going for 1/10 the cost of this but believe me...you may as well flush that money down the toilet. Really...this has been my best gear purchase in a while and can't believe I recorded without one.This DI is versatile in that it can handle instruments with active pickups (like a passive DI) as well as instruments without. And you don't need to worry about replacing batteries!It gives the most neutral tone of all direct insertion boxes on the market and has many useful features that solve prior active direct box issues such as ground lift, polarity reverse and attenuation.

(4 of 6 customers found this review helpful)

 
3.0

Big gain

By SoundGuy

from Minnesota

See all my reviews

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

I may buy a couple more of these.
I purchased this phantom powered DI box to help boost the gain from a Markley pickup on an accounting guitar. This box made a big improvement! I used to run the gain at max and then got a weak feed with poor clarity. This box makes it sound like a different guitar. The signal is much stronger and a great deal more head room. I now run the gain at about 50% and get a much warmer sound from the pickup. This phantom powered DI was weel worth the money! It also is a clean signal with no A/C hum from the phantom power. I do sound for a church worship team and some sideline gigs.
A very sturdy metal box and good looking setup.
Good value for the price.

 
4.0

great sounding DI Box ... hot output!

By flannelbairn

from Philadelphia, PA

About Me Experienced

Verified Buyer

Pros

  • Clear Sound
  • Professional Functions
  • Versatile

Cons

  • can use only when Phantom power is avail

Best Uses

  • Home Studio
  • Performances

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

I have used this DI only a couple times since I purchased it so I don't have any longterm review. I play a Guild DV-6 with a Fishman Matrix pickup and the first time I used it at a venue the soundman asked me if I had a pad because the level into the board was so hot. I pushed the pad button in and it seemed to make things easier for him to manage the level. I think he was used to acoustics (even with 9 volt pickups) being lower level. Always got complaints from soundmen in the past that my level was really low output... now quite the opposite. But I will say the acoustic clarity is much better and the high end of the upper harmonics of the strings are waaaay better and really heard.
Never used it on a keyboard but I imagine the same thing... so I suggest some precaution to your soundmen when you use it so they know it has a hot output and the DI pad is really useful to that end.
Totally recommend watching the Peter Janus Radial youtube video tutorial before you purchase.
(Originally I had bought the Radial JDI passive DI thinking it would do amazing things for my acoustic guitar but there was no change from my old cheap passive DI box. Upon reading more about the JDI, it is more geared to HOT output instruments like active pickup bass guitars and keyboards/synths to allow them saturate rather than clip the internal transformer--- I returned this one to get the J48)

 
4.0

Nothing special...

By Xyrium

from NJ

About Me Professional Musician

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Pros

  • Easy To Use
  • Versatile

Cons

  • Expensive For What It Is

Best Uses

  • Amateur Recording
  • Home Studio

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

Not a bad box, my first one buzzed, second one seemed fine. Nothing special, though my sound didn't change either, so that's a plus.

 
3.0

You can get the same quality for less...

By Xyrium

from NJ

About Me Experienced

See all my reviews

Ask me a question

Pros

  • Punchy Sound

Cons

  • Cheap Interior Components
  • Unjustifiably Expensive

Best Uses

  • Home Studio

Comments about Radial Engineering J48 Phantom Powered Active Direct Box:

Overall, other than a light buzz that I head through my monitors from this, it's a good box, just not for the money. Most active DIs can generally do what this one does, and some may even have higher quality components (metal instead of carbon resistors and poly instead electrolytic caps). Though I kept this one, I also picked up a backup from EWI, which sounded the same, to my ears that is.

Displaying reviews 1-6

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