Item #: RAD PRO48 LIST

Radial Pro48 Active Direct Box

Order Radial Pro48 Active Direct Box from American Musical Supply. We offer 0% interest payment plans, extended warranty, & fast free 2 day shipping.
You must allow Youtube cookies in order to view videos. You can set your cookie preferences in the Preference Center by selecting the Cookie Settings button.

Frequently Bought Together

+ + =
Current item:
Have questions, found a better price? Talk to a sales specialist! 800-319-9043
Product Highlights

Product Description

The Radial Pro48 is an active direct box with nine times more headroom than the competition, less distortion and a great price.
Following the trail blazed by the immensely popular Radial J48, the Pro48 is a scaled back version that incorporates the same digitally controlled switching power supply that steps up the rail voltage from the typical 1 volt to an astounding 9 volts!

The Radial Pro48 features a compact yet ultra solid 14 gauge steel enclosure with a book-end protective sleeve. It is equipped with 1/4-inch input and thru, -15dB pad, ground lift and 48V phantom power indicator LED.

Radial Chief Engineer Denis Rozon comments:
Today, most instruments such as acoustic guitars and basses are equipped with internal preamps called buffers. These can develop anywhere from 3 volts to 6 volts when turned up and played hard. This excessive output level overloads typical direct boxes as they are unable to handle the signal due to the limitations of phantom powering. We developed a work-around in the J48 by using the same trick that power amplifier companies now use to increase the efficiency of their amps. It is called digital switching. Essentially, we take phantom power and convert the high voltage and low current from DC into AC using a special transformer and digital timing chip. We then filter the power and reconvert it to DC to get our 9 volt rails. High rail voltage means more signal handling and less distortion. With demanding customers like Bruce Springsteen and Jerry Douglas using the Radial J48 on their guitars, you can be sure the sound is right.

warning WARNING: Cancer and Reproductive Harm -

See all items from Radial Engineering

Shop Similar Models

Helpful Info about the Manufacturer
Phone:  604-942-1001 Warranty:  3 Year Transferrable

Product Specifications

Radial Pro48 Specifications

  • Circuit type: Active with proprietary phantom powered switching supply
  • Input: 1/4 inch - 220 kOhms
  • Input pad: -15 dB
  • Output: XLR-M - 600 Ohm, pin-2 hot
  • Thruput: 1/4 inch - with mono merge function
  • Frequency response: 20 z to 40 kHz
  • Linear performance: +/- 0.12 dB 20 Hz to 20 kHz
  • Power: 48V phantom w/LED indicator
  • Construction: 14 gauge steel, baked enamel finish
  • Size: 4.25 d x 2.75 w x 2.75 h inches
  • Weight: 1.1 lb

Customer Reviews

Rating distribution
  rating ratings

of customers
this product
of reviews

review date:
customer name:
Product Rating:
Recommend to a friend?
Verified Buyer:
review text:

review date:
customer name:
Product Rating:
Recommend to a friend?
Verified Buyer:
review text:
Sort by:

review date:
customer name:
Product Rating:
Recommend to a friend?
Verified Buyer:
review text:
customer service response: response date:
merchant response text:

Related Items

Manuals & Docs