Infinity ENTRA, ENTRA POINT FIVE HTS Service Manual

ENTRA

ENTRA POINT FIVE HTS

POWERED SUBWOOFER

SERVICE MANUAL

Infinity Systems, Inc.

250 Crossways Park Dr.

Woodbury, New York 11797 Rev 2 12/2002

TABLE OF CONTENTS

SPECIFICATIONS . . . . . . . . . .. . . . . . . . . . . . ... . . . . . . . . . .3

DETAILED SPECIFICATIONS . . . ... . . . . . . …….…… . . . . .4

CONTROLS and CONNECTIONS . . . .. . . . . . . . . .. . . . . . . .5

OPERATION . . . . . . . . . . . .. . . . . . . . . . . . . . . …... .. . . . . . .7

MECHANICAL/PACKAGING PARTS LIST . .. . . . . . . . . . . . .8

EXPLODED VIEW . . . .. . . . . . . . . . . . . . . . …………. . . . . . .9

PACKAGING . . . . . . . .. . . . . . . . . . . . . . . ……………. . . . . .10

TEST SETUP AND PROCEDURES . . . .. . . . . . . . . . . . . . . .11

ELECTRICAL PARTS LIST . . . . . . . .. . . . . . . . . . . . . . . . . . .12

INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . ……... . ….. .17

BLOCK DIAGRAM . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .19

PCB DRAWINGS. . . .. . . . . . . . . . . . . . . …………….. . . . ….20

SCHEMATICS . . . . . . . . . . . . . . . . . . . ……... . . . . . . . . . . . .23

Entra Subwoofer

3

Specifications

Frequency Response: 34Hz- 150Hz (±3dB)

Maximum Amplifier Power 150 watts*, RMS, 500 watts peak,

(20Hz - 150Hz with no more than 0.1%
THD)

Crossover Frequencies: 50Hz - 150Hz, 24dB/octave,

continuously variable

Driver: 10” (245mm) C.M.M.D. shielded

DCR = 3.3 ohms ±10%

Dimensions (H x W x D): 15" x 14-1/2" x 17"

(381mm x 368mm x 432mm)

Weight: 47 lb (21.4kg) Each

Infinity continually strives to update and improve existing products, as well as create new ones. The
specifications and construction details in this and related Infinity publications are therefore subject to
change without notice.

Detailed Specifications

Entra Subwoofer

4

Entra Subwoofer

5

Controls and Connections

Entra Subwoofer

6

Controls and Connections (Cont.)

Entra Subwoofer

7

Operation

Entra Subwoofer

8

MECHANICAL PARTS LIST

1 SCREW, (16), #8 x .75, BLK, PB TRPH 336806-001

AMPLIFIER NOT FOR SALE

2 WOOFER, 10” (254mm)C.M.M.D.

SHIELDED DCR = 3.3 ohms ±10% 336649-001

3 GRILLE CUP (6) 333249-001

4 SCREW, (6), #6 x .75, BLK, PB PPH 903401-012

5 GRILLE 336454-001

6 FRONT BAFFLE 336452-001

7 FOOT (4) 330163-001

8 PORT TUBE 336806-001

PACKAGING

9 OWNERS MANUAL 336422-002

10 WARRANTY CARD 335841-001

11 SURVEY CARD 335868-002

12 PAD, TOP, END (2) 336457-001

13 CARTON 336458-001

Mechanical/Packaging Parts List