Need help?Do you have a question about the dbx 463X and is the answer not in the manual?
General| Channels | 2 (Stereo) |
|---|---|
| Frequency Response | 20Hz - 20kHz, ±0.5dB |
| Frequency Range | 20Hz - 20kHz |
| Signal to Noise Ratio | >90dB |
| Power Requirements | 15W |
| Dimensions | 48.3 x 4.4 x 21.6 cm |
Highlights the ease of use with a single slider for gating amount and severity.
Details the knob for setting the signal level at which gating begins.
Describes the front-panel 1/4" Hi-Z input for instruments and microphones.
Explains how two units can be linked for stereo operation or combined with other models.
Notes the availability of a 'Key' input for special frequency-sensitive gating applications.
Provides guidance for rack-mounting single units and pairs of 463Xes.
Details for connecting unbalanced line-level audio signals using shielded cables.
Explains how to connect to balanced sources and destinations, managing ground loops.
Describes the function and connection of the Key input for external control and the Hi-Z input.
Guidance on selecting between the rear line input and front Hi-Z input.
Step-by-step process for adjusting threshold and expansion for optimal gating.
Instructions for setting the Hi-Z input gain to prevent input distortion.
How to achieve true stereo gating by linking units.
Explains the basic concepts of noise gating and the 463X's downward expansion approach.
Details how the main slider affects expansion ratio, release rate, and attenuation.
Using the gate to eliminate unwanted background sounds and leakage between audio sources.
Modifying ambience, reverb tails, and overall sonic character with gating.
Covers hum removal, MIDI stacks, keyed gating, and vocal/instrument processing.
Visual representation of the 463X's internal signal flow and processing stages.
In-depth explanation of the preamp, VCA, and output buffer stages.
Explanation of the dbx RMS detector and its role in level sensing and control voltage generation.
Details on the threshold, attenuation limit, and expansion processor circuits.
List of instruments and tools necessary for calibration and troubleshooting.
Procedures for checking unit integrity and safely accessing internal components.
Steps to confirm the correct output voltages from the unit's power supply.
Detailed calibration steps for RMS symmetry, level, VCA, and Hi-Z gain.
Setting the threshold and verifying the downward expansion LED response.
Procedure for measuring Total Harmonic Distortion (THD) across different frequencies.
Diagram illustrating the physical placement of components on the main PCB.
To Next Page