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HEDD 20 MK2 User Manual

HEDD 20 MK2
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© 2021 HEDD Audio GmbH | Heinz Electrodynamic Designs | www.hedd.audio
OPERATION MANUAL
HEDD Type 20 MK2 HEDD Type 30 MK2
Heinz Electrodynamic Designs
last updated: 2021-04-06
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HEDD 20 MK2 Specifications

General IconGeneral
TypeActive Studio Monitor
Amplifier Power (Woofer)200 W
Amplifier Power (Tweeter)100 W
Input ConnectorsXLR, TRS
Driver Configuration2-way
Crossover Frequency2.5 kHz
Amplifier Power (HF)100 W
Woofer Size7 inch
Tweeter TypeAir Motion Transformer (AMT)
Frequency Response32 Hz - 40 kHz

Summary

Product Overview

Box Contents

Getting Started

Status LED

Explains the operational status indicated by the front LED panel.

Speaker Setup

Horizontal Setup

Guidance on placing speakers horizontally on a solid surface.

Vertical Setup

Instructions for symmetrical vertical placement in stereo or surround.

Height Positioning

Advice on positioning tweeters at ear level for optimal acoustics.

Stereo Positioning

Recommendations for placing speakers in an equilateral triangle for stereo.

Surround Positioning

Guidance on speaker angles and radius for surround sound setups.

«CoP» Closed or Ported

Switching Between Closed and Ported

Step-by-step guide on how to switch between Closed and Ported modes.

Ported Mode

Describes the default mode with open bass reflex ports for powerful low-end reproduction.

Closed Mode

Explains the infinite baffle mode for cleaner sound, with reduced SPL.

HEDD Lineariser®

Control Settings

Volume

Details the ±12 dB output volume rotary switch for level adjustment.

HEDD Lineariser®

Explains the default on state of the Lineariser rotary switch for phase correction.

Closed or Ported

Describes how the CoP switch changes internal layout for mode selection.

Shelving Filter

Explains Low and High Shelf controls for ±4 dB frequency adjustments.

Low Frequency Range

Details the LF range adjustment, including extended response and subwoofer use.

Input Selection

Describes the 4-position switch for analog or digital AES signal input.

Input Sensitivity

Explains the gain adjustment for the analog input signal to optimize SNR.

Desk Filter

Explains the 3-position PEQ for minimizing desk reflections.

Safety Instructions

Maintenance and Care

Shipping and Packaging

Advice on using original packaging for shipping speakers safely.

Environmental Information

Notes compliance with RoHS and WEEE and proper disposal guidelines.

Warranty

Limitations

States that inappropriate use voids the warranty and any claims.

Troubleshooting

Technical Specifications

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