This document describes the features and characteristics of the VMM brand audio amplifier, including warning information, installation and connection instructions, operation and protection features, etc.
The Lab.gruppen iP 900 is a professional power amplifier designed for use in active loudspeaker systems. The document details unpacking procedures, front and rear panel features including input attenuators, protection indicators, and various switching options such as Link and Bridge modes.
Installation and operation sections cover mounting requirements, cooling considerations, electrical connections for balanced and unbalanced inputs, speaker wiring, and powering up with soft-start functionality. It also explains the amplifier's protection features like clip limiting, thermal protection, and short circuit protection.
| Operating Temperature Limit | 90°C |
|---|---|
| Input Signal Threshold for Protect Indicator | -40dB below full output signal |
It illuminates if the amplifier tries to operate above its maximum operating temperature or when signals above 12 kHz are continuously present at full power.
It engages when the amplifier output is clipping or limiting, indicated by a brief illumination of the Clip/Limit indicator.