HEDD 20 MK2 Operation Manual Download Page 4

- 4 -

VOL. [dB]

LINEARISER®

CoP

-2

-4

+4

+2

0

LOW

-2

-4

+4

+2

0

HIGH

EXTEND.

(less SPL)

NORMAL

for

SUB (80 Hz)

MONO

LEFT

ANALOG

RIGHT

-4

+4

0

-10

SMALL

LARGE

OFF

MED.

-6

-12

+12

+6

0

ON

OFF

(*)

Ported

Closed

SHELVING FILTER [dB]

LF RANGE

ANALOG/AES

INP. SENS. [dB]

DESK FILTER

ALL "0" and "

" POSITION = FACTORY SETTING

!

RISK OF

ELECTRIC SHOCK

DO NOT OPEN

This loudspeaker is capable of delivering sound

pressure levels in escess of 85 dB(A), which may

cause permanent hearing damage.

Do not expose this appliance to moisture or rain.

Refer to qualified personnel for servicing.

CAUTION

MADE IN GERMANY - www.hedd.audio

TYPE 20 MK2-R

I

O

ANALOG IN

AES IN

AES THROUGH

1

3

2

PUSH

1

3

2

PUSH

85V - 264V 50Hz/60Hz

factory

use only

MK2 Control Board

used for adjusting the various settings

please see section Control Settings

Rear View

In- & Output Connections

XLR analog & AES digital input

AES passthrough

Power Switch

integrated universal mains, compatible with 85V - 264V at 50/60 Hz

appropriate power cable supplied

Summary of Contents for 20 MK2

Page 1: ...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...

Page 2: ...oduct Overview Box Contents Getting Started Status LED Speaker Setup CoP Closed or Ported HEDD Lineariser Control Settings Safety Instructions Warranty Troubleshooting Technical Specifications 3 5 6 6...

Page 3: ...gital interface or analog pre amplifier Please refer to the section Getting Started or Speaker Setup to find out more Due to their similar nature this operation manual equally covers the HEDD Type 20...

Page 4: ...escess of 85 dB A which may cause permanent hearing damage Do not expose this appliance to moisture or rain Refer to qualified personnel for servicing CAUTION MADE IN GERMANY www hedd audio TYPE 20 MK...

Page 5: ...2 one power cable compatible with the region from where it was sold quickstart guide CoP leaflet explaining the proper switch from Ported to Closed Mode CoP screw and plugs to seal the bass reflex por...

Page 6: ...ired input with the ANALOG AES rotary switch on the back plate bottom left For digital AES input please choose the signal left right mono As there are quite a number of control knobs on the backplate...

Page 7: ...ce or a stand Vertical Setup If you like to place the speaker vertically in a stereo or surround setup make sure that they are aligned symmetrically The Tweeters both should face either outwards or in...

Page 8: ...you get an authentic stereo panorama Surround Positioning For a surround listening setup place the speakers in a circle around your listening position in following angles Center 0 Front Right 30 Rear...

Page 9: ...the included HEDD plugs with help of the HEDD screw to close the ports Make sure that the screw is facing outwards Push the plugs deep into the bass ports Make sure that you can still reach the screw...

Page 10: ...10...

Page 11: ...on mode allows for a higher efficiency and while maintaining access to lower bass regions Closed Mode In closed mode the HEDD MK2 speaker functions as an infinite baffle speaker This results in a clea...

Page 12: ...e slower than the high tones Our HEDD Lineariser offers a complex phase correction of your HEDD MK2 monitors It solves one of the most challenging problems in loudspeaker designs e g the natural occur...

Page 13: ...amp The output volume allows to match the speakers to the audio chain e g lowering SNR or THD The default setting is 0 dB VOL dB LINEARISER CoP 2 4 4 2 0 LOW 2 4 4 2 0 HIGH EXTEND less SPL NORMAL for...

Page 14: ...closed mode For more information please refer to the section Closed or Ported Shelving Filter Low Shelf Frequencies between 30 Hz and 200Hz are increased or reduced in a 4 dB range in steps of 1 dB If...

Page 15: ...er HEDD or other set the switch to for SUB If you choose the extended bass response the woofer has to deliver much higher amplitudes if very low frequencies occur As a consequence its maximum sound pr...

Page 16: ...to 4 dB In case of very loud signals 2 V either 4 or 10 dB gain reduction can be applied to avoid an A D converter overload The setting has no effect when the signal is received through the digital AE...

Page 17: ...onnected to this product should never be stepped on Please note that defective cables can harm your speakers and or create humming crackling etc Always keep electric equipment out of the reach of chil...

Page 18: ...cleaning dust out of the loudspeaker diaphragms use a very soft brush Always switch the speaker off before cleaning Make sure that no liquids get inside the cabinet Don t use flammable or acidic chemi...

Page 19: ...ths if the product is registered with us within the first 6 months after purchase hedd link registration Accessories and any parts that are subject to wear and tear are covered for six 6 months The la...

Page 20: ...aker is very hot it may be that the internal thermal protection of the amplifiers has shut down the audio output to prevent electrical damage Turn the unit off let it cool down and repower There is a...

Page 21: ...12 dB Input sensitivity A D modulation 10 4 0 4 dB 10 4 0 4 dB Output AES through XLR XLR HEDD Lineariser disengageable delay 10 ms 10 ms Shelve filters high low 5 dB steps 4 dB 4 dB LF range 3 dB nor...

Page 22: ...cebook HEDDaudio LinkedIn HEDD Heinz Electrodynamic Designs Twitter HEDDaudio Contact us info hedd audio HEDD Heinz ElectroDynamic Designs is a high end audio manufacturer founded by Klaus Heinz and D...

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