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PCRT21ASX Datasheet - Page 20

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Piezoelectric Acoustic Generators
Magnetic Receivers - PCRT Series
PCRT21 Recommended Earpiece
Hole
Sound Hole
Rubber Ring ( T: 0.5mm)
Note : Holding pressure should be 3.5kgf max.
Tol: 0.3mm unless shown otherwise.
S.P.L. Test Circuit
S.R.=5
4
Receiver
Cavity Height
18.0
Ø
22.0
Ø
26.0
Ø
Receiver
Ear Piece
AMP
V
MIC
Artificial Ear (IEC-0318)
S.S.G./AMP: B & K 2010
1.2
Unit: mm
19

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