OWNER'S MANUAL
G410H
Congratulations on the purchase of your new Kustom bass guitar speaker cabinet!
Your new G410H has been designed to offer exceptional sound quality and long-
term performance reliability. Inside this manual you’ll find detailed information
regarding the cabinet’s features. We wish you many years of enjoyment with your
Kustom G410H.
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Rear Panel
2
MODEL: G410H
IMPEDANCE: 8 OHMS
POWER:
1000 WATTS RMS
SENSITIVITY:95dB 1W/1M
4
5
3
6
2
1
7
8
+1 tip, -1 sleeve
INPUT/OUTPUT
+1 and -1 used
10
12
16
0
HORN ATTENUATION dB
Designed by Kustom Inc. Cincinnati, Ohio
MADE IN CHINA
XXXX-XXXXXX
1
3
1
Horn Attenuator:
3
Speaker Input/Output:
This is a “volume” control for the
horn. To disable the horn, turn the
knob counter clockwise until the
indicator reaches :. To set the horn
for maximum output, turn the knob
clockwise until the indicator reaches 0.
These jacks can be used as an input
and/or output. They accept standard
Speakondtype speaker cables. To
connect a cable: Insert and twist one
quarter turn clockwise until the release
button locks. To remove a cable: Pull
back release button on cable connector,
twist connector counter clockwise one
quarter turn, and pull out connector.
Note: When using these jacks as an
output to another cabinet, refer to the
Amplifier Loading Chart (page 4) for
important amplifier loading information.
2
Speaker Input/Output:
These jacks can be used as an input
and/or output. The jacks accept a
standard ¼” cable. Note: When using
these jacks as an output to another
cabinet, refer to the Amplifier Loading
Chart (page 4) for important amplifier
loading information.
3
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Speaker Connection Diagram
(Shown using the Kustom GROOVE 1200 amplifier)
TUNER OUT
GROUND
PRE EQ
MODEL: GROOVE 1200
LIFT
POST EQ
BREAKER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
DIRECT OUTPUT
EFFECTS LOOP
ATTENTION
RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
2001124
SERIAL NUMBER
CAUTION
CHASSIS SURFACE HOT
DESIGNED IN USA
MADE IN CHINA
ATTENTION
SPEAKER OUTPUT
SEND
RETURN
FOOTSWITCH
SUPERFICE DE CHASSIS CHAUDE
Cabinet
Cabinet
A
B
Amplifier Loading Chart
Speaker cabinet
loads (ohms) applied
to the amplifier
Cabinet A’s Impedance (ohms)
open
open
16
8
5.33
5.33
4
3.20
2.67
2.67
2
open
16
16
8
5.33
4.00
3.20
2.67
2.29
2.00
1.60
4
3.20
2.67
2.29
2.00
1.78
1.60
1.33
3.2
2
1.78
1.60
1.45
1.33
1.23
1.14
1.00
16
8
8.00
5.33
4.00
3.20
2.67
2.29
1.78
4.00
3.20
2.67
2.29
2.00
1.78
1.45
2.67
2.29
2.00
1.78
1.60
1.46
1.23
2.29
2.00
1.78
1.60
1.46
1.34
1.14
8
Cabinet
5.33
5.33
4
B’s
Impedance
4
3.20
2.67
2
3.2
2.67
2
Total load on amplifier Note: Refer to amplifier specifications for proper loading
information.
This chart can help you determine what load (ohms) is present on the amplifier when using multiple cabinets.
- To use this chart with two cabinets (A and B), find cabinet A’s impedance (ohms) column and cabinet B’s
impedance row on the chart. The total load on the amplifier is shown in the box where they meet. For example: If
cabinet A’s impedance is 8 ohms and cabinet B’s impedance is 4 ohms, the total load on the amplifier would be 2.67
ohms.
- To use this chart with three or more cabinets, find the total load for two cabinets and then use the result for
cabinet A’s impedance column. The third cabinet will then be used for cabinet B’s impedance row on the chart.
Find the total load on the amplifier and repeat if more cabinets are used. For example (using 3 cabinets): If the first
cabinet (cabinet A) has an impedance of 16 ohms and the second (cabinet B) has an impedance of 8 ohms, the
total load would be 5.33 ohms. Using this load (5.33) as cabinet A’s impedance and a third cabinet’s (new cabinet
B) impedance of 4 ohms, you would find that the total load on the amplifier is 2.29 ohms. Note: It is not
recommended to use any combination of cabinets that has a resulting load in a shaded area of the chart.
Alternate Connection Diagrams
TUNER OUT
TUNER OUT
GROUND
PRE EQ
GROUND
LIFT
PRE EQ
1
MODEL: GROOVE 1200
MODEL: GROOVE 1200
LIFT
POST EQ
POST EQ
BREAKER
BREAKER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO NOT OPEN
DIRECT OUTPUT
EFFECTS LOOP
DIRECT OUTPUT
EFFECTS LOOP
ATTENTION
ATTENTION
RISQUE DE CHOC ELECTRIQUE-NE
PAS OUVRIR
RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR
2
0
0
1
1
2
4
2
0
0
1
1
2
4
SERIAL NUMBER
SERIAL NUMBER
CAUTION
CAUTION
CHASSIS SURFACE HOT
CHASSIS SURFACE HOT
DESIGNED IN USA
MADE IN CHINA
ATTENTION
DESIGNED IN USA
MADE IN CHINA
ATTENTION
SUPERFICE DE CHASSIS CHAUDE
SPEAKER OUTPUT
SEND
RETURN
FOOTSWITCH
SUPERFICE DE CHASSIS CHAUDE
SPEAKER OUTPUT
SEND
RETURN
FOOTSWITCH
8 Ohms
8 Ohms
8 Ohms
8 Ohms
=
8 Ohms
8 Ohms
8 Ohms
8 Ohms
Total Load On Amplifier = 2 Ohms
Total Load On Amplifier = 2 Ohms
4
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G410H
Specifications
Model
Input Power
Impedence
Groove 410H
1000 Watts
8 Ohms
Bass guitar speaker cabinet
RMS
Speakers
4 X 10"
Specially Designed Eminence Speakers
Sensitivity per speaker
95dB 1W at 1 meter
Average sensitivity 35-5Khz using factory test conditions
Frequency Response
Dimensions
40HZ-15kHz
System Response
mm/kg
Inches/Pounds
820 (Height) x 617 (Width) x 510 (Depth), 46.4 kg
32.25 (Height) x 24.25 (Width) x 20.125 (Depth), 102.3 lbs
Accessories Included
Speakon Cable
3 meter Speakon speaker cable
5
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6
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7
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®
Kustom Amplification Inc., PO BOX 568, Hebron, KY • USA
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