Passive DI boxes are fairly simple devices, and it doesn’t come with any preamp or any other additional boost. This allows the DI to isolate ground-level voltages, and you can get a signal without any ground hum. Modern passive DI boxes that you encounter will use some form of balun transformer, and this kind of transformer has separate windings for both input and output stages. Passive DI boxes run without any additional power, and it contains an internal audio transformer that converts unbalanced signal to balanced signal for the mixing console. Although both boxes have many similarities, let’s find out what exactly each DI box does. These passive direct boxes weren’t suitable for instruments with weaker output signals like Rhodes pianos or vintage Fender Basses, so 48-volt phantom-powered active direct boxes came about in 1975 to address this issue.Īs we mentioned above, direct boxes come in two types – a passive DI box and an active DI box. These DI boxes were first developed in the 1960s, and they were developed to help solve the problem of mismatching impedance between mixing consoles and instruments.Įngineers like Ed Wolfrum first developed their own DI boxes in their studios, and what we know as passive direct boxes came about in world-famous recording studios like Motown, United Sound Systems, and Golden World Records. Think of it as a converting device or a connecting device between instruments and mixers, and DI boxes are crucial pieces of equipment for recording and performing live.
ĭI boxes usually take the unbalanced signal from instruments like an electric guitar, acoustic guitar, bass guitar, or keyboard, and convert the signal into a balanced signal for recording or live performances. What is a DI Box?ĭI box, short for direct box, is a device that converts unbalanced, high impedance signal to balanced, low impedance mic-level signal. In this article, we will take an in-depth look at both the DI Box and the reamp box, find out exactly how they are different, and figure out which one is the right choice for you. Check out our guide to the best DI BoxesĭI boxes and reamp boxes are often confused with one another, and visually, they are hard to tell apart.We cover the differences in utility between a DI box and a Reamp box.Understand the re-amping process and why we use Reamp boxes.Learn what a DI box is, and what it’s used for.
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