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Lang PEQ-2 User Manual

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PROGRAM EQUALIZER
PEQ-2
LANG SPECIALIZED AUDIO EQUIPMENT
January/2023 Rev. 1.0.

Questions and Answers:

Lang PEQ-2 Specifications

General IconGeneral
Frequency Bands3
Signal to Noise Ratio>80dB
Total Harmonic Distortion<0.1%
High Frequency Turnover10 kHz
Frequency Range20 Hz to 20 kHz

Summary

Introduction to the Lang PEQ-2

Product Description

Key Features and Design

Details the PEQ-2's unique features, comparison to Pultec, and its musicality.

Low Shelf Boost & Droop Frequencies

Lists the specific frequencies and dB range for Low Shelf Boost and Droop controls.

High Frequency Controls

Describes the High Peak Boost frequencies, bandwidth, and High Shelf Droop options.

Complete Frequency Descriptions

Frequency Response and EQ Curves

LF Boost Response

Illustrates the frequency response curves for the Low Shelf Boost function.

LF Droop Response

Illustrates the frequency response curves for the Low Shelf Droop function.

HF Boost Response

Illustrates the frequency response curves for the High Peak Boost function across bandwidths.

HF Droop Response

Illustrates the frequency response curves for the High Shelf Droop function.

Getting Started Guide

Front Panel Controls

Detailed explanation of each control and indicator on the front panel.

Rear Panel Connections

Description of the power input, line output, and line input connectors.

XLR Connector Pinouts

Details the pin configuration for Male and Female XLR connectors.

Typical Applications

Bass Recording Setup

Diagram illustrating the PEQ-2 setup for bass recording with preamp and interface.

Track Insert Example

Diagram showing the PEQ-2 used as an insert on a snare track.

Advanced Signal Routing

Mix Buss Insert Configuration

Illustrates routing the PEQ-2 for use as a mix buss insert effect.

Mastering Workflow

Mastering Chain Setup

Diagram showing the PEQ-2 in a mastering chain with compressors.

Specifications and Signal Flow

Technical Specifications

Details line input/output impedance, maximum output, THD+N, frequency response, and weight.

Internal Signal Path

Visual representation of the signal flow through transformers, EQ, and amplifier.

Troubleshooting Common Issues

No Effect on Signal

Solution: Ensure the EQ is not in OUT mode.

HF Boost Range Issues

Solution: Adjust the Bandwidth knob for desired range.

Signal Volume Drop

Solution: Reduce attenuation, as too much is likely applied.

Harsh or Screechy Sound

Solution: Apply HF Droop at 10, 15, or 20 kHz.

Excess Sub-Sonic Frequencies

Solution: Use LF Droop at 20 or 50 Hz to clean up.

Warranty and Registration

Limited 2-Year Warranty

Details warranty coverage, exclusions, and limitations for defects.

Product Registration

Instructions to visit the website for product registration.

Recall Sheets