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9.

 

Do not defeat the safety purpose of the polarized or grounding type plug. A 
polarized plug has two blades with one wider than the other. A grounding 

type plug has two blades and a third grounding prong. The  wide blade or 

the third prong are provided for your safety. If the provided plug does not 

fit  into  your  outlet,  consult  an  electrician  for  replacement  of  the  obsolete 
outlet. 

10.

 

Protect the power cord from being walked on or pinched particularly at the 

plugs,  convenience  receptacles,  and  at  the  point  where  they  exit  from  the 

apparatus. 

11.

 

Only use attachments/accessories specified by the manufacturer. 

12.

 

Unplug  the  apparatus  during  lightening  sorts  or  when  unused  for  long 

periods of time. 

13.

 

Refer  all  servicing  to  qualified  personnel.  Servicing  is  required  when  the 

apparatus has been damaged in any way, such as power supply cord or plug 
is damaged, liquid has been spilled or objects have fallen into the apparatus, 
the  apparatus  has  been  exposed  to  rain  or  moisture,  does  not  operate 

normally, or has been dropped.

 

14.

 

Disconnecting  from  mains:  Switching  off  the  POWER  switch  all  the 
functions  and  light  indicators  of  the  amplifier  will  be  stopped,  but  fully 

disconnecting  the  device  from  mains  is  done  unplugging  the  power  cord 

from the mains input socket. For this reason, it always shall remain readily 

operable. 

15.

 

Equipment  is  connected  to  a  socket-outlet  with  earthing  connection  by 

means of a power cord. 

16.

 

The marking information is located at the bottom of apparatus. 

17.

 

The  apparatus  shall  not  be  exposed  to  dripping  or  splashing  and  that  no 
objects filled with liquids, such as vases, shall be placed on apparatus. 

 

NOTE:

 This equipment has been tested and found to comply with the limits for a Class 

A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to 
provide  reasonable  protection  against  harmful  interference  when  the  equipment  is 
operated  in  a  commercial  environment.  This  equipment  generates,  uses,  and  can 
radiate radio frequency energy and, if not installed and used in accordance with the 
instruction  manual,  may  cause  harmful  interference  to  radio  communications. 
Operation  of  this  equipment  in  a  residential  area  is  likely  to  cause  harmful 
interference in which case the user will be required to correct the interference at his 
own expense.  

 

WARNING:

 

This product must not be discarded, under any circumstance, 

as  unsorted  urban  waste.  Take  to  the  nearest  electrical  and  electronic 
waste treatment centre. 

 

NEEC  AUDIO  BARCELONA,  S.L. 

accepts  no  liability  for  any  damage  that  may  be 

caused  to  people,  animal  or  objects  due  to  failure  to  comply  with  the  warnings 
above. 

Summary of Contents for eHSA SERIES

Page 1: ...eHSA SERIES HIGH IMPEDANCE AMPLIFIERS Multichannel Amplifier USER MANUAL ...

Page 2: ...1 Placement mounting cooling 6 5 2 Mains connection 6 5 3 Input signal connections 6 5 4 Power saving mode 7 5 5 Limiter circuit 7 5 6 Output connections 7 6 OPERATION AND USAGE 7 6 1 Start up 7 6 2 Input attenuators 8 6 3 Indicators 8 7 CLEANING 8 8 FUNCTION DIAGRAM 9 9 FUNCTION LIST 9 10 TECHNICAL CHARACTERISTICS 10 11 BLOCK DIAGRAM 11 ...

Page 3: ...ompanying the appliance WARNING To prevent fire or shock hazard do not expose this equipment to rain or moisture WARNING An apparatus with Class I construction shall be connected to a mains socket outlet with a protective earthing connection 2 IMPORTANT SAFETY INSTRUCTIONS 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus ...

Page 4: ...s done unplugging the power cord from the mains input socket For this reason it always shall remain readily operable 15 Equipment is connected to a socket outlet with earthing connection by means of a power cord 16 The marking information is located at the bottom of apparatus 17 The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall ...

Page 5: ...gh impedance eHSA2 150 and a second one with a power of 4 x 150W RMS 70 100V high impedance eHSA4 150 All models use very high performance technology auto standby and convection cooling with a height of 1 rack unit Equipped with balanced inputs on Euroblock connectors Outputs also feature Euroblock connectors It has an electronic limitation system to avoid signal saturation and a thermal protectio...

Page 6: ...carrying the audio signal as this could cause humming In order to protect the power amplifier from eventual power consumption overloads it is protected by a set of fuses Should a fuse blow it must be replaced immediately by one with identical rating Should it blow again please contact our Technical Service Department NEVER REPLACE THE FUSE WITH ANOTHER ONE WITH A HIGHER VALUE CAUTION Fuse substitu...

Page 7: ...on on the rear panel features Euroblock connectors 15 16 The loudspeakers line has to be connected to the amplifier s 0V and 70V terminals 70V line or 0V and 100V terminals 100V line In STEREO mode each channel takes the signal from its corresponding input OUTPUT CH1 from INPUT CH1 OUTPUT CH2 from INPUT CH2 etc In MONO mode the signal is taken from the odd input only The connection cable that join...

Page 8: ...ction that should be investigated to find the cause of this lighting CLIP 2 4 indicators light up when the signal level feeding the loudspeakers is just below the actual clipping This CLIP system takes into account possible variations in the supply voltage always giving a real indication CLIP indicators light up to the beat of low frequencies when working at high power levels it s normal as low fr...

Page 9: ...d Standby status indicator 8 TH thermal protection indicator 9 ON power indicator 10 AUTO STANDBY switch 11 Power switch 12 CH 1 input 1 Euroblock connector 13 CH 2 input 2 Euroblock connector 14 STEREO MONO selector 15 CH 1 output 1 Euroblock connector 70 100V 16 CH 2 output 2 Euroblock connector 70 100V 17 AC socket connector NOTE Listed functions are for two channel models for models with more ...

Page 10: ... 85dB 85dB CMRR 55dB 55dB Damping factor 1kHz 8 150 150 Channel crosstalk 1kHz 55dB 55dB Input Sensitivity Impedance 0dBV 20k 0dBV 20k Anti clip 2dBV input 1 THD 1 THD Mains Voltage See characteristics in the back of the unit Power consumption pink noise 1 8 power 4 63W 74VA 113W 130VA Power consumption pink noise 1 3 power 4 139W 268W Power consumption Idle 19W 29W Power consumption STBY 13W 18W ...

Page 11: ...11 11 BLOCK DIAGRAM eHSA2 150 ...

Page 12: ...12 eHSA4 150 ...

Page 13: ...to production tolerances NEEC AUDIO BARCELONA S L reserves the right to make changes or improvements in the design or manufacturing that may affect these product specifications Motors 166 168 08038 Barcelona Spain 34 932238403 information ecler es www ecler com ...

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