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Radial SB-2 PASSIVE | SB-2 Passive Direct Injection Box

The Radial StageBug SB-2 Passive is a high-performance direct injection (DI) box designed for musicians who require reliability and sound quality while on the go. Built to fit snugly inside a guitar case, this ultra-compact DI box is armed with features that make it an indispensable tool on any stage. Whether you're playing an electric bass, acoustic guitar, or keyboard, the SB-2 delivers pristine audio performance that ensures every nuance of your instrument's sound is preserved.

The SB-2 includes a 1/4" input and thru-put to connect to your on-stage amplifier and a custom-designed Eclipse ET-DB3 transformer. This high-quality transformer not only matches impedance but also balances the signal, ensuring optimal sound quality. For high-output instruments, the SB-2 features a -15dB pad, allowing you to use it with active basses and digital pianos that might otherwise overload the input. An innovative stereo-to-mono merge function makes it effortless to connect stereo keyboards and computers, saving both time and input channels on the PA.

When it comes to sound, the SB-2 excels with its smooth, warm tone, reminiscent of vintage gear. The Eclipse ET-DB3 transformer elegantly handles extreme signal levels with natural compression that is pleasing to the ear. It also helps eliminate hum and buzz caused by ground loops, thanks to the ground lift switch that isolates the input from the output. These comprehensive features make the StageBug SB-2 the perfect choice for musicians prioritizing both small size and high performance.

Key Features

• Passive DI for bass, acoustic, and keyboard
• Ultra-compact design fits in a guitar case
• Easy-to-use, plug & play feature set
• Transformer isolation eliminates noise
• Stereo-to-mono merge function for convenience
• Ground lift switch for eliminating ground loop hum

Specifications

• Audio circuit type: Passive, transformer-based
• Number of channels: Single channel (mono)
• Frequency response: 20Hz ~ 20KHz (-+ 0.5dB)
• Dynamic range: 115dB
• Maximum input: +20dB
• Total harmonic distortion: 0.005% @ 1kHz
• Phase deviation: 3 degrees @ 100Hz; 8 degrees @ 50Hz
• Input impedance: 140k Ohms, unbalanced
• Output impedance: 1k Ohms, balanced

Package Contents

• Radial StageBug SB-2 Passive DI Box
• User Manual