Aphex Systems 320A owner manual Impedance Balanced Outputs

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320A

Compellor

PART 2: BALANCED OUT to UNBALANCED IN

It was mentioned that there are several types of balanced output stages in use today. The following diagrams show you how to properly unbalance each type of output. If you follow these instructions, you should have no problems.

Transformer Balanced Outputs

SIMPLIFIED SCHEMATIC

Unbalancing loses no output level.

You retain full gain.

Ground Pin 3 Directly to Pin 1.

Female XLR Alternatively, Carry Pin 3 Through Twisted Pair Cable and Ground at Other End

Voltage Balanced Outputs (Used on the 207)

SIMPLIFIED SCHEMATIC

Unbalancing loses half the output level.

You lose 6dB of gain.

Female XLR

Don’t Ground or Connect Pin 3

Mono Phone Plug

Impedance Balanced Outputs

Mono Phone Plug

Servo Balanced Outputs

SIMPLIFIED SCHEMATIC

Unbalancing loses no output level.

You retain full gain.

Ground Pin 3 Directly to Pin 1

Female XLR Do Not Carry Pin 3 Through Cable and Ground at Other End

Mono Phone Plug

Female XLR

SIMPLIFIED SCHEMATIC

Unbalancing loses no output level. You retain full gain.

Pin 3 Doesn’t Matter

OK Grounded or Not Grounded

Mono Phone Plug

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Contents 320A Safety Declarations Fast Finderi320A Contents Page Quick Start Quick StartWhat Is a Compellor? What Does It Do?How Does It Work? Bit Of Compellor HistoryIntroduction Page Mains Voltage Selection And Fuse UnpackingDamage & Claims Power Cord Safety ConsiderationsMounting In a Rack Proper VentilationInstallation Remote ConnectorReference Level Setting Input ConnectionsSummary Specications Ratio Introduction RecordingMixing MasteringBroadcast Radio Pre-processing Video Post-ProductionLive Concerts Broadcast STL/ Phone Line Driver Television Broadcasting and Cable SystemsVideo and Audio Tape Duplication Voice ProcessingHard Disk Recording Leveling Function Signal FlowProcessing Functions Compressor Function DRCDVG Silence GateStereo Enhance Stereo LinkingMeter Selections LimiterProcess Switch Output ControlInput/Output Operating LevelsGain Reduction Metering Limited Warranty To Obtain ServiceAppendices Appendix B 320A Appendix C Proper Wiring Techniques Appendix CAppendix D Appendix D Part 1 Balanced OUT to BalancedImpedance Balanced Outputs Part 5 Y Insert Cables Appendix E Appendix E Compellor to the RescueWhere The Problem Comes From Appendix FConfusion PPM StandardAppendix F VU StandardWhere The Compellor Fits Death of a Perfectly Good VU MeterBirth of dBFS DAT TragedyIdeal Audio Package Analog/Digital Level DiscrepancyWhat, Me Worry?

320A specifications

The Aphex Systems 320A is a dynamic processor designed to enhance the quality of audio recordings in professional settings. Known for its exceptional performance and versatility, the 320A offers a unique combination of compression, limiting, and expansion functionalities. This unit is an essential tool for sound engineers and producers looking to achieve polished sound.

One of the standout features of the 320A is its dual channel processing capability. This allows users to apply dynamic processing to two separate audio signals simultaneously, making it ideal for stereo or dual mono setups. The 320A offers a range of controls, including threshold, ratio, attack, release, and gain, allowing precise adjustments to be made according to the needs of any project.

The 320A utilizes Aphex's proprietary Intelligent Clipping technology, which helps to prevent distortion at high signal levels. This feature is particularly beneficial when working with dynamic sources like vocals and percussive instruments. Intelligent Clipping ensures that the audio remains smooth and clear, even when processed aggressively.

In terms of connectivity, the Aphex 320A is equipped with balanced XLR and TRS inputs and outputs, ensuring compatibility with various audio sources and devices. The unit supports both line-level and mic-level signals, providing flexibility for different recording scenarios. Additionally, its low noise operation ensures that the final output retains pristine audio quality.

Another significant characteristic of the 320A is its user-friendly interface. The front panel features easy-to-read meters and clearly defined controls, making it straightforward for users to monitor the audio levels and adjust settings in real-time.

The 320A also includes a sidechain capability, allowing users to trigger compression or expansion from an external source. This feature is useful for achieving effects like ducking or creating rhythmic dynamics in a mix.

In summary, the Aphex Systems 320A is a feature-packed dynamic processor that serves as an invaluable tool for audio professionals. With its dual channel processing, Intelligent Clipping technology, flexible connectivity options, and user-friendly design, the 320A stands out in the realm of audio processing equipment, delivering high-quality performance for a variety of recording and mixing applications.
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