Audio Gold Resistors
audio applications
Ohmite now offers the Audio Gold Resistor Family, specifically
designed for high-end loudspeaker and amplifier applications.
These resistors utilize high quality resistance wire wound on
a ceramic core, terminated, and finished with our flameproof
Centohm® coating.
Ohmite’s Audio Gold resistors have been carefully engineered
with non-magnetic materials to eliminate the effects of these
stray magnetic fields on circuit performance, thereby resulting in
simplified shielding requirements and improved sound quality.
Audio Gold resistors are designed for use in cross-over net-
works and as source, emitter, or cathode resistors in balancing
applications for output transducers.
Features
• 3 watt to 50 watts
• Non-magnetic materials
• Mono-metallic design
• Welded connections
• Non-inductive versions available
• Reduces signal distortion
• Minimizes thermal EMF
• Reduces current noise
• Superior mid-range frequency performance
• Improved stability
speciFications
Material
Resistor:
copper-nickel
Core:
Ceramic
Coating:
Centohm®
Terminals:
copper-nickel
Electrical
Tolerance:
5% std., 1% available
Temperature Coefficient:
50ppm/°C
Voltage
Lead ga.
proDuct Dimensions
1.5 /
38.1
L
D
series Wattage
ohms
Dimensions (in. /
mm)
Length
Diam.
aG3
aG5
aG10
3.0
5.0
10.0
0.10-2K
0.10-8K
0.10-22K
0.593 /
15.1
0.937 /
23.8
1.78 /
45.2
0.218 /
5.5
0.343 /
8.7
0.406 /
10.3
200
460
1000
20
20
20
Overload:
5W and under, 5x rated power for 5 sec.; 10W and above,
10x rated power for five sec.
Derating:
Linearly from 100% @ 25°C to 0% @ 275°C
HoW to orDer
E = RoHS compliant
Available Jan. 2006
1.50 in. -0 +0.25
38.10 mm -0 +6.35
½½½½½½½½½
D
L
L
ohms
Length
Dimensions (in. /
mm)
D
Diam.
c
Voltage ga.
C
Series
AG
Lead
series Wattage
i. D. core
Power
Tolerance
Rating
J = 5%
3 = 3W F = 1%
5 = 5W
10 = 10W
12 = 12W
20 = 20W
25 = 25W
50 = 50W
Ohms
R15 = 0.15
1R5 = 1.5
15R =
15
150 =
150
1K5 = 1500
15K = 15,000
aG12
aG20
12
20
0.10-20K
0.10-39K
1.75 /
44.5
2.0 /
50.8
0.313 /
7.9
0.188 /
4.76
0.438 /
11.1
0.25 /
6.35
625
750
18
18
D
L
L
Length
C
series Wattage
ohms
Dimensions (in. /
mm)
D
c
Diam.
i. D. core
Voltage
aG25
aG50
25
50
0.10-39K
0.38-100K
2.0 /
50.8
4.0 /
101.6
0.562 /
14.3
0.562 /
14.3
0.313 /
7.94
0.313 /
7.94
625
1625
See page 34 of
4000 catalog
for mounting hardware
4
Ohmite Manufacturing Company
Tel. 847-675-2600 • Fax 847-675-1505 • www.ohmite.com • info@ohmite.com
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