Radial Engineering StageBug SB-5 Laptop DI

Radial Engineering StageBug SB-5 Laptop DI

Radial Engineering StageBug SB-5 Laptop DI

B&H # RASB5LAPTOP MFR # R800 0150
Radial Engineering StageBug SB-5 Laptop DI


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  • 1Description

The StageBug SB-5 Laptop DI from Radial Engineering is a compact stereo direct box designed to accommodate laptop computers, tablets, and other consumer audio products when amplifying the signal through a PA system.

The passive design begins with an integrated input cable that connects from the headphone out via a flexible 5’ (1.5m) cable that is terminated with a standard 1/8" (3.5mm) stereo connector. The cable is secured via a clamping strain relief and is wrapped using the sidewinder cleat for easy storage. This eliminates the need to locate a cable, thereby making it easy to deploy in fast-paced work environments. Inside, the signal is sent to a pair of custom-wound transformers where the impedance is lowered and the signal is balanced for long cable runs, upwards to 300’ (100m). The transformers further benefit by isolating the computer from the PA system to help eliminate hum and buzz caused by ground loops. This is augmented with a ground lift switch to further reduce ground contamination.

A choice of output connectors is available including a stereo set of 1/4" TRS jacks for full stereo operation or an XLR out that automatically sums the left-right program material to mono. This can save valuable channels on the PA system and makes setup easy in situations where full stereo reproduction is not required. A -15 dB input pad can be engaged to reduce sensitivity and enable extra high output sources to be connected without distortion.

These features combine to make the unit suitable for the AV technician, media manager, or traveling musician equipped with a computer.

Stereo direct box for laptop computer
Integral 5' (1.5m) cable with sidewinder cleat
Transformer isolation eliminates noise
Plug & play, easy to use, no power required
UPC: 676101040674
In the Box
Radial Engineering StageBug SB-5 Laptop DI
  • Limited 3-Year Transferable Warranty
  • Table of Contents
    • 1Description
    Circuit Type Passive, transformer based
    Number of Channels 2 channels, mono or stereo outputs
    Frequency Response 20 Hz to 20 kHz (±1 dB)
    Dynamic Range 100 dB
    Maximum Input +20 dB
    Total Harmonic Distortion <0.006%
    Input Impedance 0.01% at 1 kHz
    Deviation 2° at 100 Hz; 5° at 50 Hz
    Input Impedance 40 kΩ, unbalanced
    Output Impedance 2.8 kΩ, balanced
    Transformer Custom design
    Features Input Pad: -10 dB
    Auto Merge: Sums left & right sources to mono at XLR
    Ground Lift: Disconnects pin-1 at 1/4" TRS outputs
    XLR Configuration: AES standard (pin-2 hot)
    Input Connector 1/8" (3.5 mm) integrated 5.0' (1.5 m) cable
    Output Connector 1/4" TRS stereo / XLR-M mono merge
    Construction 14-gauge steel chassis & outer shell
    Finish Baked enamel
    Power Passive, no power required
    Dimensions (L x W x D) 4.50 x 1.85 x 1.35" (114.3 x 46.99 x 34.29 mm)
    Weight 8.8 oz (249.5 g)
    Packaging Info
    Package Weight 0.85 lb
    Box Dimensions (LxWxH) 8.0 x 4.6 x 2.5"

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