Soundcraft GB8 40-Channel Analog Mixer

Soundcraft GB8 40-channel high-performance analog mixer

The Soundcraft GB8 40 is a professional high-performance analog mixing console designed for front-of-house reinforcement, monitor mixing, live productions, touring systems, and permanent audio installations. Built with an extensive feature set in a compact and cost-effective format, the console delivers the routing flexibility and audio quality required by houses of worship, performance venues, auditoriums, and commercial AV environments.

The mixer features 40 mono input channels with individually switchable 48V phantom power, four full-feature stereo input channels, and four stereo return channels for connecting microphones, instruments, playback devices, and external processors. Every mono input incorporates Soundcraft’s renowned GB30 microphone preamplifier and GB30 four-band equalizer, providing ultra-low-noise signal amplification, excellent headroom, and precise tonal shaping for professional audio applications.

The GB8 40 utilizes dual-mode topology, allowing operators to configure the console for either front-of-house or monitor mixing by assigning the linear faders to subgroup or auxiliary outputs. Eight subgroup buses and eight auxiliary sends provide extensive routing flexibility for monitor mixes, external effects, recording systems, and broadcast distribution. The integrated 11×4 output matrix enables independent signal routing from subgroup and main outputs to additional zones, delay speakers, or recording destinations.

Additional professional features include four programmable mute groups, integrated record and alternate output limiters, a built-in 1 kHz oscillator, direct outputs on every mono channel, and an accurate meter bridge with dedicated LED and VU metering for left, right, and center outputs. The rugged steel chassis incorporates a sloping rear connector panel for convenient installation, while the internal power supply supports an external backup PSU connection for enhanced operational reliability. With its low-noise performance, comprehensive connectivity, and dependable analog architecture, the Soundcraft GB8 40 is well suited for demanding professional sound reinforcement applications.

Features of GB8 40

• 40 mono input channels
• Four full-feature stereo input channels
• Four stereo return channels
• Individually switchable 48V phantom power
• GB30 ultra-low-noise microphone preamplifiers
• GB30 four-band equalizer
• Dual-mode FOH and monitor operation
• Eight subgroup buses
• Eight auxiliary sends
• Pre/post switchable auxiliary operation
• 11×4 output matrix
• Four programmable mute groups
• Direct outputs on all mono channels
• Record and alternate output limiters
• Built-in 1 kHz oscillator
• Integrated LED and VU meter bridge
• Internal power supply with external PSU link
• Rugged steel chassis with sloping rear connector panel

Specifications of GB8 40