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- Page 9 of 19 - 

 

 

   

 

Order No.  23171 

 

 

1 

 

1.1 

SCOPE  

 

1.1.1 

Equipment covered by this 
standard 

The product is driven by a digital audio signal and is 
therefore considered within the scope of IEC 60950.  

1.1.2 

Additional requirements:  

 

 

Exposure to extreme temperatures, 
excessive dust, moisture or 
vibration; to flammable gases; to 
corrosive or explosive atmospheres  

This equipment is intended to operate in a "normal" 
environment (Offices and homes). Max recommended 
ambient temperature (T

MRA

) as stated by the 

manufacturer is 25

°

C. 

 

Electromedical equipment 
connected to the patient  

This equipment is not an electromedical equipment 
intended to be physically connected to a patient. 

 

Equipment used in vehicles, ships 
or aircrafts, in tropical countries, or 
at elevations > 2000m   

This equipment is intended to operate in a "normal" 
environment (Offices and homes). Max recommended 
ambient temperature (T

MRA

) as stated by the  

manufacturer is 25

°

C. 

 

Equipment intended for use where 
ingress of water is possible   

This equipment is intended to be used in applications 
where ingress of water is not regarded possible. The 
equipment is non-protected according to IEC 60529. 

 

IP-classification (IEC 60529) (IP)  

IP X0. 

 
 

1.2.2 

OPERATING CONDITIONS 

 

1.2.2.1 

Normal load as described in Annex 
L or as close as possible to the 
most severe normal use  

Max. undistorted with sign wave signal was 16.1 W, 
reduce d to 1/8

th

 Max. and switched to filtered pink noise 

per IEC/EN 60065 for maximum normal load. 
Refer to Summary of Testing. 

1.2.2.2 

Rated operating time as assigned 
by the manufacturer  

The manufacturer has not declared a rated operating 
time. 

1.2.2.3 

Continuous operation  

The equipment is regarded to be for continuous 
operation. 

 

 

 

 

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Order No.  23171 

 

 

1.5  

COMPONENTS 

 

1.5.1 

General 

Refer to List of Critical Components. 

1.5.2 

Evaluation and testing of 
components 

Certified components are used in accordance with their 
ratings, certifications and they comply with applicable 
parts of this standard. 
Components not certified are used in accordance with 
their ratings and they comply with applicable parts of 
IEC 60950 and the relevant component standard. 
Components, for which no relevant IEC-standard exists, 
have been tested under the conditions occurring in the 
equipment, using applicable parts of IEC 60950. 

 

Dimensions of mains plug for direct 
plug-in equipment  

Not intended to plug directly into a wall socket-outlet. 

1.5.3 

Thermal controls  

No adjustable thermal controls. 

1.5.4 

Transformers  

Class III equipment. 

1.5.5 

Interconnecting cables  

The interconnecting cables contain only SELV. 

1.5.6 

Capacitors in primary circuits 

Class III equipment. 

1.5.7.1 

- 1.5.7.3 Double or reinforced 
insulation bridged by components  

Class III equipment. 

1.5.8 

Components in equipment for IT 
power systems 

Class III equipment. 

 

 

 

 

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Order No.  23171 

 

 

1.5.01

 

 

Part No 

Component/ 
Object 

Manufacturer 

Type / Model 

Ratings / 
Technical Data 

Complies 
with the 
following 
standard 

Marks of 
conformity 
granted **) 

 

Enclosure 

DOW Emerge 

4330 -22 

Rated minimum 
flame class HB 

UL 94 

UL  

 

Alternative 

Various 

Various 

 

UL 94 

UL  

 

Jointronics 

PVC 

30 V, 80ºC 

Evaluated 
in unit 

UL 

 

Alternative 

Various 

Various 

30 V, 80ºC 

UL 94 

UL 

 

Various 

Various 

Rated minimum 
flame class V-2 

Evaluated 
in unit 

UL 

 

PCB material 

Various 

Various 

Rated minimum 
flame class V-1 or 
better 

Evaluated 
in unit 

UL  

 

Power 
amplifier IC  

ST Microelectronics 

TDA2007A 

6 W x 6 output 

Evaluated 
in unit 

None 

 

Speaker (4) 

Various 

1 inch, 
magnetically 
shielded 

6.8 

Ω

 

Evaluated 
in unit 

None 

 

Comments 

Marks listed under “Marks of conformity granted” indicates Nemko has verified the respective certifications. 

 

 
 

 

 

 

 

- Page 12 of 19  - 

 

 

   

 

Order No.  23171 

 

1.6 

POWER INTERFACE  

 

1.6.1 

A.C. power distribution systems 

TN, and IT for Norway.  

1.6.2 

Input current 

1 A  

 

Test voltage (at each rated voltage 
or at each end of a rated voltage 
range)  

18 VDC  

 

Measured current   

Max current during normal operation 0.58 A @ 18 VDC 

 

Deviation 

Negative deviation is not limited. 

1.6.3 

Voltage limit of hand-held 
equipment (max. 250V)  

The equipment is not hand-held. 

1.6.4 

Neutral conductor  

Class III equipment. 

 

1.7 

MARKINGS AND INSTRUCTIONS  

 

1.7.1 

Power rating  

The required marking is provided. 

 

Rated voltage 

18 V (dc symbol from IEC 60417, No. 5031) 
Refer to Copy of markings. 

 

Symbol for nature of supply for d.c. 

Provided. 

 

Rated frequency or frequency 
range 

DC. 

 

Rated current 

1 A 

 

Manufacturers name, trade mark or 
identification mark   

 

 

Type / model   

on stage 

 

Symbol of Class II    

Class III equipment. 

 

Other symbols  

The additional marking does not give rise to 
misunderstandings. 

 

Certification marks   

Refer to label. 

1.7.2 

Safety instructions 

Provided with marking regarding use of specified power 
supply, refer to marking label. 

 

Operating instructions  
 

Installation instructions are available to the user in 
User’s Manual. 

1.7.3 

Short duty cycles  

The equipment is intended for continuous operation.  

1.7.4 

Supply voltage adjustment  

No voltage selector. 

1.7.5 

Power outlets on the equipment 

No standard power outlet. 

1.7.6 

Fuse identification 

No fusing. 

1.7.7 

Wiring terminals 

Class III equipment.