QSC SPL1 Precision Limiter Power Amp Expansion Board
The SPL-1 is an embedded accessory that provides two independent channels of power limiting, for speaker protection, SPL regulation, etc. The SPL-1 is a feedback-type limiter, using samples of the amplifier’s output signals as references. The user-selectable thresholds are scaled to the amplifier’s maximum output level, with sixteen possible settings from 8.3% (-10.8 dBr) up to 100% (0 dBr) of full rated power. Each channel has three user-selectable attack/release speeds, for optimizing limiter response to specific types of program material and/or loudspeaker types. The circuitry uses high-performance VCAs from THAT Corporation to provide precise, low-distortion gain reduction. Compatible amplifier models: - PowerLight models (except PL 2.4MB, PL 3.4, PL 3.8X, PL 4.0, PL 6.0PFC, and PL 9.0PFC) with appropriate BusCard installed
- PLX, CX, and DCA models with appropriate BusCard installed
- MXa and EX models
- Legacy CX models CX6, CX6T, CX12, and CX12T
| Model |
SPL1 Precision Limiter Power Amp Expansion Board |
| Compatibility |
QSC Power Amps |
QSC SPL1 Precision Limiter Power Amp Expansion Board
The manufacturer's warranty covers parts and labor for six years from date of purchase. The warranty excludes damage from misuse, abuse, and contains other exclusions.
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