MODELS
TEK35.2
TEK50.2
TEK75.2
TEK100.2
TEK150.2
High Level Inputs
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Speaker Output
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-
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-
Left lead
Right lead
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-
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Left lead
Right lead
Tap to Source
Speaker Output
+
-
+
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Left lead
Right lead
CROSSOVER
On the side panel of your amplifier is a potentiometer marked 50Hz - 150Hz. This controls the relative crossover point for the amplifier. To apply the crossover feature,
locate the switch on the same side panel that reads HPF/Full/LPF. For highpass applications, such as component sets or coaxials, choose HPF. For lowpass applications,
such as subwoofers, choose LPF. If you are looking for a full range application, place the switch on FULL. Full will override the crossover completely.
Note: The four channel amplifiers will have two sets of crossover controls, one for front and rear.
Listed below are recommended crossover points for various size speakers. These are only guidelines. Actual crossover points recommend by the speaker
manufacturers may vary.
Speaker size Crossover recommendation
4" (100mm) component/coaxial HPF 130Hz - 150Hz
5.25" (130mm) component/coaxial HPF 80Hz - 110Hz
6" (160mm) component/coaxial HPF 70Hz - 100Hz
8" (200mm) woofer LPF 90Hz - 120Hz
10" (250mm) subwoofer LPF 70Hz - 100Hz
12" (300mm) subwoofer LPF 70Hz - 100Hz
15" (380mm) subwoofer LPF 50Hz - 80Hz
BOOST
If your system is lacking low bass response, locate the boost switch next to the crossover. By placing this switch in the on position, 6dB of boost centering around
45Hz will be added. In the OFF position no boost is added to the output signal. This boost switch is available on all Crossfire TEK amplifiers with the exception of the
TEK35.4, TEK50.4, TEK55.5, and the TEK400.1. Crossfire highly recommends using this feature only on amplifiers powering subwoofers.
PREAMP FEATURES
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