Boston Acoustics SPG555, G5, G3, G2, G1 Guide

Subwoofer Size Chart

Subwoofer Models

SPG555

G512

G510

G312

G310

G212

G210

G112

G110

G108

GTR12

GTR10

E

Models

• SPG555

• G5

• G3

D

• G2

• G1

• GTR

C

B

A

A:

Total WidthB:Cutout DiameterC:Magnet DiameterD:Mounting Depth

14 1/4 x 117/8"

362 x 302mm

12 3/4"

324mm

10 7/8"

276mm

12 1/2"

318mm

10 7/8"

276mm

12 3/4"

324mm

10 7/8"

276mm

12 3/4"

324mm

10 7/8"

276mm

811/16"

220mm

12 3/4"

324mm

10 7/8"

276mm

Use Cutout

Template

11 3/16"

283mm

91/4"

235mm

11 3/16"

283mm

91/4"

235mm

11 3/16"

283mm

91/4"

235mm

11 3/16"

283mm

91/4"

235mm

7"

178mm

11 3/16"

283mm

91/4"

235mm

71/4"

184mm

91/2"

242mm

81/4"

210mm

61/2"

165mm

61/2"

165mm

6"

153mm

6"

153mm

51/4"

133mm

51/4"

133mm

51/4"

133mm

N/A

N/A

81/4"

210mm

73/8"

187mm

63/4"

171mm

69/16"

166mm

63/8"

161mm

73/16"

182mm

69/16"

166mm

5"

127mm

43/4"

121mm

41/4"

107mm

3" *

74mm

3" *

74mm

E:

Mounting Flange

13

/16"

18mm

11

/16"

17mm

11

/16"

17mm

5

/8"

16mm

5

/8"

16mm

3

/8"

9mm

3

/8"

9mm

3

/8"

9mm

3

/8"

9mm

3

/8"

9mm

11

/16"

17mm

11

/16"

17mm

*Includes necessary clearance behind GTR