model

Nominal diameter Dg.mm

Nominal pressure Mpa

Audible distance (miles)

Octave band sound pressure level dB

Basic frequency range HZ

Suitable for Captain M

Weight kg

yQ－6

six

zero point six

zero point five

>120

250-700

<20

three point four

yQ－8

eight

one

>130

250-700

>20
<75

four point eight

yQ－10

ten

0.8-1.0

one

>130

seven hundred

<75

five point two

yQ－15

fifteen

one

one point five

>138

130-350

>75
<200

eight point four