Electronic Tube Direct Injection (ETDI)
DI
Description
A high-voltage, tube-driven direct injection device engineered to provide clean headroom and harmonic warmth for instrument- and line-level signals. Operating with an internal push-pull power supply topology, the unit significantly minimizes noise across all output paths. A transformer-coupled balanced XLR output sends isolated signal directly to mixing consoles, while an optional unity-gain tube output routes to amplifiers. The circuit incorporates a ruggedized dual-triode tube (such as a 12AU7 or NOS 5963) designed for stable, long-life operation. A dedicated parallel Thru jack delivers an unaffected dry pass-through signal alongside a ground lift switch to prevent ground loops. Built into a durable metal enclosure, it functions seamlessly on pedalboards, in studio signal chains, or within amplifier effects loops.Media
Links
Technical data
Width
000.00 mm
Depth
000.00 mm
Height
000.00 mm
Weight
000.00 mm
Circuit type
analog
Voltage
12V DC, center negative
Current
300mA
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