IGS Preamplifiers
IGS preamplifiers translate classic analog gain design into modern studio tools, delivering depth, clarity, and musical character in flexible formats. Each preamp reflects IGS’s commitment to precision engineering, transformer-balanced signal paths, and tonal integrity trusted by professional engineers.
As with all IGS products, every preamplifier is meticulously crafted in Europe.
Double Triode Limiter
Tube Microphone Preamp & Limiter
The Double Triode Limiter is a tube microphone preamp delivering wide gain range, rich saturation, and Hi-Z versatility for microphones, instruments, reamping, and line-level sources.
Pure Tube Channel
Full-Tube Microphone Preamp
Pure Tube Channel delivers a minimalist, class-A tube signal path using military-grade valves and IGS transformers for classic warmth, low distortion, and uncompromised analog fidelity.