Boss Audio MR652C, MR752C User Manual

MR652C MR752C

Tweet er Type

Max Powe r (wa tts)

Ef ficiency (1W/1M)

Frequency Res pon se

Min. Mounting Dept h Allowing
Clearance(mm/i n)

Impedance

Sealed Enclosure Vo lum e (cu.f t)

Porte d Enclosure Volume (c u.f t)

Porte d diameter (mm/ in)

Port le ngt h (mm/in)

1” PEI Dome

350

90

40-20kHz

62mm / 2 7/16”

4 ohms

0.43 0.71

0.9

50mm(2”)

25mm(1”)

1” PEI Dome

400

92

60-20kHz

70mm / 2 3/4 ”

4 ohms

1.25

60mm(2-3/8” )

30mm(1-3/16”)

Calculating Required Enclosure Volume

Thes e loudspeaker s will perform best i f they are instal led in a sealed or a
port ed enclosure wi th the appropriat e interior volu me. Please refe r to the
tabl es for the suggested volume for your s peaker and appl ication.

Thes e volumes are provided in the table ab ove are in cubic fe et. In order
to des ign your enclos ure, you will first n eed to convert th is data to cubic
inch es. To con vert cubic feet to cubic inches, sim ply multiply by 1 728:

Mode l Sealed volume Por ted volume

MR65 2C 743 cu in. 1227 cu in.

MR75 2C 1572 cu in. 2160 cu in .

Calc ulating Enclo sure Dimensions

Calc ulating the exterior cabinet dim ensions requi res that you firs t
esti mate height and width of the enclosu re based on the ava ilable space
in you r boat. You then work w ith this estimate t o determine the d epth of
the ca binet.

For ex ample:

1. You wan t an MR652C seale d enclosure with exterior dimens ions of
8"W x 10 " H.

2. Sub tract the cabinet material thick ness (3/4" MDF x 2) f rom the

PAGE 1