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WWW.APART-AUDIO.COM

100V / 70V

low impedance

Technical specifications

The loudspeaker is easy to install, due 

to its simple mounting system. 

(1)  

Cut out the mounting hole with diameter 
= 85 mm. 

 

When making the hole in your 

mounting panel, double check if there 
are no cables or any other obstructions 
behind the mounting panel. Cutting the 
mounting panel without this check might 
result in damaged infrastructure or power 
lines. Please make sure that the mounting 
structure is capable of safely supporting  the 
speaker’s weight.

(2)

 Connect the speaker wires.

(3)

  

Insert the speaker in the precut speaker 
opening: 

(a)

 pull the 2 spring clamps 

backwards and 

(b)

 carefully slide the 

speaker in place until it sits firmly. 

NOTE: for use in low impedance systems, 
always disconnect the 100/70 volt 
transformer and connect the low impedance 
speaker wires directly at the speaker.

1

3

2

a

a

b

Mounting the loudspeaker

outside diameter 

105 mm

depth

74 mm

cutout 

85 mm

loudspeaker system

dual cone

woofer size

3 inch

woofer cone material

paper

mounting system 

2 springs

100/70V* power taps

6 - 3 - 1.5 – 0.75* watts

impedance

16 ohms

low impedance dynamic power

20 watts

SPL 1W/1m

87 dB

max SPL 1m

99 dB

frequency response 

120 - 18 kHz 

main construction material 

steel

grille main material

aluminium

IP rating

50

applicable low impedance

yes

applicable in 100V / 70V

yes

dispersion angle 1000 Hz

180°

*0.75 W: 70 volt only

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