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
5
6
20
20
5
19
21
Legend on Page 2
INPUT 2
L.F. 2
H.F. 2
L5
1.7mH
+
—
.250
.205
7" BLU
7" BLU/BLK
DIPOLE
.205
.110
7" WHT
7" WHT/BLK
C7
10uf
100V
BIPOLE8
7
9
DIPOLE
6
DIPOLE
3
BIPOLE
4
5
BIPOLE
1
2
L4
2.6mH
L6
0.42mH
C10
2.5uf
100V
C8
3.6uf
100V
C6
120uf
100V
C11
47uf
100V
C9
3.3uf
100V
INPUT 1
L.F. 1
H.F. 1
C2
10uf
100V
L1
1.7mH
+
—
.250
.205
8" GRN
8" GRN/BLK
.205
.110
10" YEL
10" YEL/BLK
C3
3.6uf
100V
L2
2.6mH
L3
0.42mH
C5
2.5uf
100V
C1
120uf
100V
C4
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

3
18
8
14
10
4
11
7
13
2
1085
4 1
10
7
8
9
17
6
15
12
Beta ES250 Cabinet – Not for Sale
5
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.