The Burl B1D 500 Series mic preamp is an extraordinary addition to any studio setup, offering a rich, darker tonality that sets it apart from its peers. This powerhouse preamp features the proprietary BX4 iron output transformer, delivering a formidable rock tone that’s both deep and clear. Designed as part of the API 500 series format, the B1D ensures seamless integration into your existing setup while amplifying your sonic palette.

With a Class-A, all-discrete transistor circuit path, the B1D is perfect for injecting warmth and clarity into your recordings. Whether you're driving the gain for a heavy, energetic sound or dialing it back for a cleaner, warmer output, the B1D adapts beautifully. It excels across a variety of applications, from drums and guitars to vocals, providing a punchy and full-bodied tone that professionals and enthusiasts alike will appreciate.

The B1D's versatility is further highlighted by its independent gain and level controls, allowing precise tonal shaping. The front panel's 1/4" instrument/line input and the PAD switch for managing hot signals make it user-friendly, while the impedance select gives you optimal performance with ribbon mics and other low impedance sources. Use it to breathe new life into your tracks, replacing excessive EQ and compression with genuine analog warmth.

Key Features:

• BURL custom BX3 input transformer
• BURL custom BX4 iron output transformer
• Discrete, Class-A, direct-coupled, capacitor-free circuit path
• Stepped gain control with independent output level control
• 70 dB gain
• Transformer-coupled impedance select
• 1/4" front panel DI input
• 30 dB pad for hot signals and balanced line level input
• Phantom power and phase reverse switch
• Tri-colored gain level indication
• API Series 500 Rack Format compatibility

Product specs

FAQs

What is the main difference between the Burl B1D and the Burl B1 preamp?

The Burl B1D features an all-iron BX4 output transformer, which provides a more aggressive rock tone compared to the Burl B1. This gives the B1D a punchier sound, particularly suited for drums and guitars, while maintaining warmth and presence on vocals.

Does the Burl B1D preamp include phantom power for condenser microphones?

Yes, the Burl B1D preamp includes phantom power, making it suitable for use with condenser microphones that require this feature.

What type of input connections does the Burl B1D preamp offer?

The Burl B1D preamp offers a 1/4" front panel DI input, allowing for direct instrument connection, as well as XLR connections for microphones.

Can the Burl B1D handle high-output signals without distortion?

Yes, the Burl B1D features a -30 dB pad, which allows it to handle hot signals and balanced line-level inputs without distortion.

What kind of gain control does the Burl B1D preamp have?

The Burl B1D preamp includes a stepped gain control and an independent output level control, providing precise adjustment over the preamp's 70 dB gain range.