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General| Effects Loop | Yes |
|---|---|
| Inputs | 1 x 1/4" |
| Frequency Range | 20Hz - 20kHz |
| Output Impedance | 8Ω |
| Power Supply | AC |
Comprehensive safety precautions and warnings for operating the amplifier.
Provides historical context and an overview of the SWR 550x bass amplifier's features.
Details the controls and features on the front panel, including input jacks.
Explains the Gain control, Preamp Clip LED, and Aural Enhancer for tone shaping.
Covers the SubWave activator and level controls for sub-octave effects.
Details the Bass, Midrange, Treble controls and the Limiter/Compressor circuit.
Details the Effects Blend control for mixing external effects signals.
Lists input/output impedances, noise specs, and frequency response.
Details power output ratings at different impedances and minimum impedance limits.
Guide to connecting speaker cabinets, including impedance considerations.
Instructions for powering on the unit and initial gain/volume settings.
Lists rear connectors and details the Balanced (XLR) output modes, pad, and ground lift.
Describes the Tuner Out jack and the external effects loop send/return connections.
Details speaker output jacks, mode switch, and SubWave footswitch connection.
Information on fuses, AC cord, vacuum tube, and cooling fan operation.
Discusses rack mounting, heat management, and overall engineering summary.
Provides example tone control settings for Rock, Reggae, Jazz, Slap, and Studio styles.
Outlines the two-year limited warranty, void conditions, and service process.
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