Infinity RS-2.5 Schematic
REV A 9/98
INFINITY SYSTEMS, INC. 250 Crossways Park Dr., Woodbury, New York 11797
REFERENCE STANDARD 2.5
SPECIFICATIONS
Technical Manual
REFERENCE
STANDARD 2.5
• Frequency Response: 30 through 32,000 Hz ±3 dB
• Horizontal Dispersion: -2 dB @ 60° right or left (20 kHz)
• Suggested for use with
amplifiers of: 100 to 300 watts per channel
• Nominal Impedance: 4 ohms
• Drivers: For each channel:
(a) one 12-inch (30cm) Infinity-Watkins Dual-Drive Woofer
with polypropylene cone;
(b) two EMIM (Electromagnetic Induction Midrange) drivers
in dipole configuration;
(c) two EMIT (Electromagnetic Induction Tweeters), one of
them facing rearward
• Crossover Frequencies: 300Hz (adjustable with optional
electronic crossover control) and
5,000 Hz
• Dimensions: 51 inches x 18 wide x 11
(129 cm x 46 wide x 28)
• Shipping Weight: 117 pounds (53 kgs) each
• Finish: Solid oak and veneers. Cloth grille
and its frame are removable
• Warranty: Five years, transferable (see
complete warranty statement)
PRODUCTION HISTORY:
• Introduced in 1979
• Discontinued in 1982
• Original Retail Price: $2,300.00
PHYSICAL SPECIFICATIONS:
CROSSOVER PARTS:
Fuse 2A AGC .870...0017
Fuse Holder .550...0062
Pot 2 Ohm 50W .145...0243
DRIVERS (TRANSDUCERS)
12” WFR Watkins .902...1180
EMIM Mid Rev. B/C .902...0012C
EMIT Twt Sq/Blk .902...2252
EMIT Diaph. 1/2 LS .751...3722
EMIM Diaph Assy. .751...3806
REV A 7/98
INFINITY SYSTEMS, INC. 250 Crossways Park Dr., Woodbury, New York 11797
REFERENCE STANDARD 2.5
Technical Manual
REFERENCE
STANDARD 2.5
TECHNICAL SPECIFICATIONS
+
HIGH
–
AGC 2
125µf
3.83µf
50µf
2.5/5mH
1.5mh
.05mh
.20mh
125µF
5Ω 15W
PURPLE
1100µF
b
H
.7Ω 50W
700µf
M
.5Ω 15W
1
c
BL/BLK
GR/BLK.
2
GREY
L
.2Ω 50W
GREEN
BL/BLK
BLUE
WHITE
WHT./BLK.
RED
RD./BLK.
REAR TW.
FRONT TW.
MID.
+
VC1
–
–
+
–
+
+
–
4Ω
+
LOW
–
BLACK
20mH
700µF
RD./BLK.
VC2
–
+
2Ω
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