Infinity Beta ES250 User manual

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance 8Ω

• Max Amp Power 150 watts*

• Frequency Response 60Hz – 20kHz (±3dB)

50Hz – 40kHz (–6dB)

• Sensitivity 87dB (2.83V @ 1 meter)

• Crossover Frequency 2.3kHz; 12dB/Octave

SYSTEM COMPONENTS:

• Cabinet Beta ES250 (Not for Sale)

• Side Grille Black (for BLK) 352246-003

Side Grille Gray (for WHT) 352246-004

• Low-Frequency Transducer Dual 5" (130mm) CMMD

™

352097-001

DC Resistance 10.3 ohms ±10%

• High-Frequency Transducer Dual 1" (25mm) CMMD

™

351572-001

DC Resistance 3.5 ohms ±10%

• Crossover Network (for BLK) 351699-001

Crossover Network (for WHT) 351699-002

AURAL SWEEP TEST SPECIFICATIONS:

• System Aural Sweep Test 6.0V Input 50Hz to 20kHz

• L.F. Aural Sweep Test 5.0V Input 50Hz to 3kHz

• H.F. Aural Sweep Test 2.83V Input 2kHz to 20kHz

PHYSICAL SPECIFICATIONS:

• Dimensions 13-3/4" x 11-13/16" x 6-7/8"

(H x W x D) (350mm x 300mm x 175mm)

• Weight 12.5 lb (5.7kg) Each

WARRANTY:

• Refer to Warranty Statement packed with each product.

* The maximum recommended amplifier power rating will ensure

proper system headroom to allow for occasional peaks. We do not

recommend sustained operation at these maximum power levels.

Beta ES250

Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797

9/04

16 22

Legend on Page 2

INPUT 2

L.F. 2

H.F. 2

1.7mH

—

.250

.205

7" BLU

7" BLU/BLK

DIPOLE

.205

.110

7" WHT

7" WHT/BLK

10uf

100V

BIPOLE8

DIPOLE

BIPOLE

2.6mH

0.42mH

C10

2.5uf

100V

3.6uf

100V

120uf

100V

C11

47uf

100V

3.3uf

100V

INPUT 1

L.F. 1

H.F. 1

10uf

100V

1.7mH

—

.250

.205

8" GRN

8" GRN/BLK

.205

.110

10" YEL

10" YEL/BLK

3.6uf

100V

2.6mH

0.42mH

2.5uf

100V

120uf

100V

3.3uf

100V

CROSSOVER NETWORK

351699-001 (for Black)

351699-002 (for White)

HIGH-FREQUENCY

TRANSDUCERS (2)

351572-001

—

YEL/BLK

YEL

—

WHT/BLK

WHT

—

GRN/BLK

GRN

—

BLU/BLK

BLU

LOW-FREQUENCY

TRANSDUCERS (2)

352097-001

PACKAGING

BETA ES250 WIRING DIAGRAM

BETA ES250 SCHEMATIC

Technical Manual

Beta ES250

1085

4 1

Beta ES250 Cabinet – Not for Sale

Beta ES250

EXPLODED VIEW

Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797

9/04

ITEM

NO. DESCRIPTION QTY. PART NO.

1. Woofer 2 352097-001

2. Tweeter 2 351572-001

3. Crossover Network (for Black) 1 351699-001

same as above for White 1 351699-002

4. Faceplate (for Black) 2 352442-001

same as above for White 2 352442-002

5. Assembly, Grille, Black (for Black) 2 352246-003

Assembly, Grille, Gray (for White) 2 352246-004

6. Front Bezel, Black (for Black) 1 352441-001

(switch faceplate cover)

same as above in Gray for White 1 352441-002

7. Gasket, Faceplate 2 352254-001

8. Cup, Grille and Bezel, Titanium (for Black) 12 333249-003

Cup, Grille, Titanium (for White) 8 333249-003

9. Cup, Bezel, White (for White) 4 333249-005

10. Screw (faceplate, woofer) 16 883-41110-12

PAN, PH, PB, BLK ZINC, #8 x .75"

ITEM

NO. DESCRIPTION QTY. PART NO.

11. Screw (faceplate) 8 903802-016

PB, HXS, #8 x 1" BLK

12. Screw (network) PB, OPH, #6 x .75" 4 903201-012

13. Screw (tweeter mounting) 4 905401-006

MS, PPH, H/L, 6-19 x .375"

14. Screw (wall brackets) 8 59460

FLT, PH, PB, #8 x .75" BLK ZC

15. Screw (switch faceplate) 4 908301-012

PB, HXS, #6 x .75" BLK

16. Felt Foot w/Adhesive Backing 4 335634-001

17. Rear Wall Bracket 4 7071490-001

18. Shorting Straps (Right/Left Pair) 1 Set CS06-6

19. Carton, Beta ES250 (Black) 1 352286-001

Carton, Beta ES250 (White) 1 352286-002

20. Pad, Top & Bottom 2 352477-001

21. Owner’s Manual 1 352611-001

22. 5-Year Warranty Card, Infinity 1 335841-003

Technical Manual

Beta ES250

TO SERVICE THE BETA ES250

Remove the grille(s).

1. Tweeter/Woofer: Remove the (4) rubber grille retainers on each wfr/twt faceplate; this can be accomplished by carefully pulling them out of their

cavities with long-nosed pliers or similar tool.

2. Remove the (4) Phillips screws that are now exposed.

3. Remove the (4) Hex screws (5/32 or 4mm) bordering the woofer.

4. Carefully separate the front faceplate, with tweeter attached, from the cabinet.

5. Woofer: Remove the (4) Phillips screws that are now exposed.

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