TL Audio VP-1 User Manual

CONTENTS
1 INTRODUCTION
2 PRECAUTIONS
3 INSTALLATION
3.1 AC Mains Supply
3.2 Audio Inputs
3.3 Unbalanced Line Inputs
3.4 Instrument Inputs
3.5 Insertion Points
3.6 Balanced Outputs
3.7 Unbalanced Output
3.8 Ventilation
4 OPERATION
4.1 Input Select
4.2 Input Gain
4.3 High Pass Filter
4.4 Phase Reverse
4.5 Pad
4.6 Phantom Power
4.7 Drive and Peak LEDs
4.8 Expander/Gate Section
4.9 Gate Threshold
4.10 Gate Attack and Release
4.11 Gate Meter
4.12 De-esser Section
4.13 De-esser Depth
4.14 De-esser Frequency
4.15 De-esser Bandwidth
4.16 De-esser Meter
4.17 Compressor Section
4.18 Comp. Threshold
4.19 Comp. Attack & Release
4.20 Comp. Ratio
4.21 Comp. Gain Make-Up
4.22 Comp. Knee
4.23 Comp. Opto Mode
4.24 Comp. Hold Mode
4.25 Equaliser Section
4.26 LF & HF Bands
4.27 LM & HM Bands
4.28 LM/HM Frequency
4.29 LM/HM Gain
4.30 LM/HM Bandwidth
4.31 EQ Pre
4.32 Stereo Link Operation
4.33 Ducking or Gating
4.34 Peak Output Limiter
4.35 Output Level
4.36 VU Meter
4.37 Digital Output Option
4.38 Bit Rate Select
4.39 Sampling Freq. Select
4.40 Digital Output Meter
4.41 Lock Status
4.42 Output Formats
4.43 Wordclock Input
5 USER TIPS / FAQs
6 SERVICE
7 SPECIFICATIONS

TL Audio VP-1 Specifications

General

Brand	TL Audio
Model	VP-1
Category	Computer Hardware
Language	English

Summary

PRECAUTIONS

General Safety Guidelines

Lists essential safety points for operating the VP-1, including wiring, voltage, moisture, and fuse checks.

Earthing Requirement

Emphasizes the critical importance of proper earthing of the equipment for electrical safety.

INSTALLATION

AC Mains Supply Setup

Details the AC mains supply connection, voltage selection switch, and power cord requirements.

Ventilation Guidelines

Provides instructions for proper unit ventilation to ensure heat dissipation and prevent overheating.

OPERATION

Input Selection and Gain

Covers selecting input sources (Valve, Class A, Line, Instrument) and adjusting input gain levels.

Input Filtering and Phase Reverse

Details the variable High Pass Filter (HPF) and the Phase Reverse switch for signal conditioning.

Expander/Gate Section Intro

Introduces the VCA-based expander/gate circuit, its purpose, and basic operation.

Expander/Gate Controls

Details the Expander/Gate threshold, attack, release time controls, and the gain reduction meter.

De-esser Section Overview

Describes the de-esser stage for reducing vocal sibilance using frequency-conscious compression.

De-esser Controls and Metering

Compressor Section Overview

Compressor Parameter Settings

Compressor Modes and Features

Equaliser Section Overview

EQ Band Controls

EQ Advanced Settings

Stereo, Ducking, and Limiter

SERVICE

Service Procedures and Warranty