background image

 

v.20200629 

 

 
 

eHSA4-60 

HIGH IMPEDANCE AMPLIFIERS 

   High and low impedance multichannel amplifier

 

 

 

 

 

 

 

 

 

 

 

 

 

USER MANUAL 

 

Содержание eHSA4-60

Страница 1: ...v 20200629 eHSA4 60 HIGH IMPEDANCE AMPLIFIERS High and low impedance multichannel amplifier USER MANUAL ...

Страница 2: ...acement mounting cooling 6 5 2 Mains connection 6 5 3 Input signal connections 7 5 4 Power saving mode 7 5 5 Limiter circuit 8 5 6 Output connections 9 6 OPERATION AND USAGE 10 6 1 Start up 10 6 2 Input attenuators 10 6 3 Indicators 10 7 CLEANING 11 8 FUNCTION DIAGRAM 12 9 FUNCTION LIST 13 10 BLOCK DIAGRAM 14 11 TECHNICAL CHARACTERISTICS 15 ...

Страница 3: ...k of electric shock The external wiring connected to the terminals requires installation by an instructed person or the use of ready made leads or cords 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 INSTRUCTIO...

Страница 4: ... 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 b...

Страница 5: ...r amplifiers at an affordable price All models in the series use class D amplification a very high performance technology auto stand by function and convection ventilation only occupying 1 rack unit high 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 protection as well a...

Страница 6: ...built in convection cooling requires at least one free rack unit empty space both above and below each amplifier to ensure a correct air flow It is also advisable not to rack the power amplifiers under other devices but on top of these that is to say as high as possible toward the top of the rack cabinet 5 2 Mains connection The eHSA amplifiers are powered by 100 to 250VAC 50 60Hz The mains cables...

Страница 7: ...he LINK 2 3 switch is then pressed the signal on channel 2 which is identical to the signal on channel 1 in this case will be available on channel 3 Inputs 1 2 and 3 will therefore share the same audio signal 5 4 Power saving mode The AUTO STBY switch activates the power saving or low power consumption mode the PROT STBY LED is orange when activated this mode activates automatically when it detect...

Страница 8: ...ge for example change the detection threshold First remove the top cover of the unit by unscrewing the screws that hold it to the chassis to access the connectors inside then reposition the jumper for the channel you want to change the threshold to 5 5 Limiter circuit This is an extra protection always enabled in the eHSA series amplifiers This circuit dynamically limits the input signal to avoid ...

Страница 9: ...er Thus if a load of 4Ω is connected to the low impedance connectors it will not be possible to connect any additional load to the 70 100V terminals the amplifier will be protected as the maximum power transfer occurs to 4Ω and the amplifier delivers the available 60W to it However if a load of 8Ω is connected to the low impedance connectors a line of up to 30W can be connected to the 70 100V term...

Страница 10: ...essors independent level control and connection of speakers that can t handle the wattage supplied by the output stage at full power without risking damage if the volume of the preamplifier mixer is set too high 6 3 Indicators eHSA amplifiers include a simple yet effective indication system PROT STBY indicators show the absence of loudspeaker output signal These indicators may light up for followi...

Страница 11: ...quencies are those with higher energy content You must take care that these indicators do not remain continuously lit SP Signal Presence indicators indicate the presence of a valid signal at the amplifier inputs 7 CLEANING The front panel should not be cleaned with dissolvent or abrasive substances because silk printing could be damaged To clean it use a soft cloth slightly wet with water and neut...

Страница 12: ...8 FUNCTION DIAGRAM ...

Страница 13: ...cator for overload protection and status STANDBY PROT STBY 5 LED indicator for linked inputs LINK 6 AUTO STANDBY function switch 7 Power indicator ON 8 Euroblock connector channel input 9 LINK input link switch 1 2 2 3 3 4 10 Euroblock connector low impedance Lo Z channel output 11 Euroblock connector high impedance channel output 70 100V 12 Network base ...

Страница 14: ...10 BLOCK DIAGRAM ...

Страница 15: ...dB Hi Z output 100V 70dB Channel crosstalk 65dB 1kHz Channel CMRR 60dB 1kHz AC Mains power AC Mains requirement 100 240VAC 50 60 Hz 10 Power Consumption Power Consumption 1 3 Power 4Ω 106W 115VA Power Consumption 1 8 Power 4 Ω 52W 68VA Power Consumption IDLE 15W 30VA Power Consumption STBY 7 6W 18VA Settings Auto stand by threshold 40dB 50dB Internally Selectable Auto stand by time 90 seconds Phys...

Страница 16: ...ht to make changes or improvements in design or manufacture that may affect these product specifications For technical queries please contact your supplier distributor or complete the contact form on our website under Support Technical Query Motors 166 168 08038 Barcelona España 34 932238403 information ecler com www ecler com ...

Отзывы: