SGI 15v

SGI 15v

The SGI 15v is a discontinued guitar interface system that converts an unbalanced instrument signal to a balanced line so it can travel up to 100 m (300 ft) without noise. It suits guitarists and bassists on large stages, in studios or with remote amplifiers.

  • Balanced line driver for guitar and bass
  • Sends signal up to 100 m (300 ft) without loss
  • 100% discrete class-A circuit with Drag control
  • Two-part system: SGI-TX transmitter and SGI-RX receiver
  • Suited to isolation cabinets, under-stage amps and remote rooms
  • Discontinued; later version uses Jensen transformers
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The SGI 15v is a two-part line driver system, made up of a transmitter (SGI-TX) that sits by the instrument and a receiver (SGI-RX) at the far end. It takes the high-impedance, unbalanced signal from a guitar or bass and sends it over a balanced cable, avoiding the loss and noise that long instrument cables can pick up. The circuit is fully discrete class-A and includes a Drag control.

Typical uses include recording, where a player can sit in the control room and hear the monitors while playing, and large stages where long cable runs or lighting noise affect the signal. It can also feed isolation cabinets, under-stage amps or remote rooms, and a second unit can send a pedalboard signal back to the amp in complex routing setups.

The product is no longer shipping. The maker lists a user guide and a smart sheet as resources and notes a later SGI version fitted with Jensen transformers.

Sonraíochtaí

Branda
Radial Engineering
Samhail
SGI 15v
Catagóir
Fuaim bheo › Fuaim bheo eile

General

Part number
R800 1600 00
Product type
Guitar Interface System
Function
Balanced line driver for guitar and bass
Status
Discontinued, no longer shipping

Audio

Circuit
100% discrete class-A
Tone control
Drag control
Input signal
Unbalanced instrument signal
Output signal
Balanced

Connectivity

Maximum cable distance
100 meters (300 ft)
Transmitter unit
SGI-TX
Receiver unit
SGI-RX
Cable between units
Balanced cable

Resources

Documentation
User Guide
Quick reference
Smart Sheet

Sonraí: radialeng.com; grianghraif: Radial product page · nuashonraithe 2026-10-12 · Botún aimsithe? Scríobh chugainn