Slot Accessories |
| Sometimes simple is better. Available here are internal low cost analog processor modules that may be installed into QSC designs such as PLX, PowerLight, or even earlier models found within the MXa series. |
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XC-1 Crossover
The XC-1 is an upper input slot module that plugs into most MXa amplifiers. It offers fourth order Linkwitz-Riley filter alignment with selectable crossover frequencies of 500 and 800 Hz. |
For use with:
MXa Series Amplifiers
Legacy CX Amplifiers
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SF-1 Subwoofer Filter(Discontinued)
The SF-1 Subwoofer Filter is an upper slot accessory for QSC MXa Series amplifiers, which feature Level One Open Input Architecture. The accessory mounts in the back of the amplifier above the standard input panel.
SF-1 Specifications (PDF)
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For use with:
MXa Series Amplifiers |
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MX-1 Input Expander (Discontinued)
Adds two 1/4" TRS and one female XLR input per channel. For use with MX1000a, MX1500a, MX2000a, & MX3000a power amplifiers. Not compatible with MX700 amplifiers. |
For use with:
MX1000a, MX1500a, MX2000a, & MX3000a |
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UF-2 Universal Filter
The UF-2 is a universal filter that is used to set high pass and low pass corner frequencies for custom bandpass operation of two power amplifier channels.
Each channel offers high- and low-pass filters that are separately configured or bypassed; the high-pass section also features selectable 6 dB/octave high-frequency boost for constant directivity horns or to compensate for screen loss in cinema sound systems. |
For use with:
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 Amplifiers |
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UF-3 Universal Filter
The UF-3 is a universal filter that is used to set high pass and low pass corner frequencies for custom bandpass operation of two power amplifier channels. The UF-3 is a smaller version of the UF-2 and is programmed differently. It is designed to fit in power amplifier models with less internal bay space. |
For use with:
PowerLight models (except PL 2.4MB, 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 Amplifiers |
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SPL-1 Precision Limiter
The SPL-1 provides two channels of independent power limiting to prevent speaker damage from excessive power levels. Sixteen selectable limit thresholds on each channel are provided. |
For use with:
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 Amplifiers |
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SEQ-1 Stereo EQ (Discontinued)
The SEQ-1 is an embedded accessory that provides two independent channels of shelving equalization for basic tone control. Two trimpots on each channel adjust boost and cut for high and low frequencies—up to ±13 dB at 20 Hz and ±10.5 dB at 20 kHz |
For use with:
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 Amplifiers |
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SEQ-2 Stereo EQ
The SEQ-2 is an embedded accessory that provides two independent channels of graphic equalization. Five trimpots on each channel adjust boost and cut, up to ±12 dB at 40 Hz, 160 Hz, 630 Hz, 2.5 kHz, and 10 kHz. Each band has a Q of 0.75. Custom frequencies and values of Q are available by special order. |
For use with:
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 Amplifiers |
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BusCard Adapters
BusCard adapters are used with mini-slot modules embedded inside PowerLight, PLX, CX, or DCA power amplifiers. These adapters bring multiple analog signal processing options to amplifiers for set-and-forget operation. |
For use with:
PLX, CX, DCA and PowerLight Amplifiers
(Not compatible with PLX2 models) |
