Crossfire TEK50.4 - User Manual

Features
Features
Class AB Circuitry
Fully 2 Ohm Stable Stereo Operation
Military Spec. Audiophile Grade Components
High Efficiency MOSFET Power Supplies
-Multi-stranded power torroid
-IRFZ44 MOSFET Transistors
Efficient Bipolar Output Transistors
Oversized Capacitor Bank
Wire Free PC Board Layouts
Gold Plated Input and Output Connectors
Variable Highpass and Lowpass Electronic Crossovers
Simultaneous Mono/Stereo Operation Capability
Internally Bridgeable
5 Way Protection Circuitry
Soft Start, On/Off Circuitry
High Level Inputs
Two Year Limited Warranty
MODEL: TEK35.2 TEK50.2 TEK75.2 TEK100.2 TEK150.2 TEK35.4 TEK50.4 TEK400.1
RMS Power/4 ohms 35W x 2 50W x 2 75W x 2 100W x 2 150W x 2 35W x 4 50W x 4 200 x 1
Bridge Power, Max. 140w x 1 200W x 1 300W x 1 400W x 1 600W x 1 150W x 2 200W x 2 400 x 1
T.H.D. 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02%
Bandwidth + 3dB 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz 5Hz-38KHz
Signal To Noise >93dB >95dB >97dB >97dB >100dB >95dB >95dB >94dB
Damping Factor >150 >200 >200 >200 >300 >150 >150 >310
Separation 60dB 60dB 62dB 62dB 68dB 61dB 61dB NA
Input Sensitivity 180mV-4V 180mV-4V 180mV-4V 180mV-4V 180mV-5V 180mV-4V 180mV-4V 265mV-5V
Input Impedance 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm 20Kohm
Power Fuse 15 Amp 20 Amp 25 Amp (2)25 Amp (2)30 Amp 25 Amp (2)20 Amp (2)25 Amp
Dimensions W: 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN 9.3 IN
H: 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN 2.1 IN
L: 8.35 IN 10.32 IN 11.5 IN 13 IN 15 IN 11.5 IN 11.5 IN 11.5 IN
CROSSOVER
Variable Low Pass 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz
Variable High Pass 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz 50-150Hz
X-Over Slope 12dB 12dB 12dB 12dB 12dB 12dB 12dB 12dB
45hz BOOST Yes Yes Yes Yes Yes No No No
All specifications are with 12.5 volts DC. Typical output with 14.4 volts DC is 20% higher.
Specifications
Specifications
The quality of installation may affect the performance and reliability of your Crossfire product. If you have any doubts or questions regarding installation, you may
wish to contact your authorized Crossfire dealer. Remember to follow all wire and fuse requirements suggested in this manual. Warranty may void if proper
installation technique is not used (refer to warranty section in the rear of this manual).
IMPORTANT
IMPORTANT
Please read all instructions before installation!
Please read all instructions before installation!
Appropriate mounting is very important for prolonged life expectancy of any amplifier. Select a location of applicable space that allows sufficient airflow and
provides protection from moisture. Keep in mind that an amplifier should never be mounted upside down. Upside down mounting will compromise heat dissipation
through the heatsink and will engage the thermal protection circuit much sooner. Excessive heat can shorten your amplifier's life. To maximize heat dissipation, be
sure to leave at least 2.5 inches of clearance around the amplifier. Fans should be used in correspondence with an escape duct for heat when mounting the amplifier
in an enclosed or restricted area.
Avoid slipping and scratching your new Crossfire amplifier by pre-drilling the mounting holes with either a 1/8" or 3mm diameter drill bit when using the screws
supplied in the accessory kit. Always investigate the mounting area thoroughly for electrical wires, vacuum lines, and brake or fuel lines before you start to prevent any
potentially expensive mistakes.
MOUNTING
MOUNTING
Correct Mounting
O
Heat is lifted from the amplifier heatsink.
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
Heat is trapped inside the amplifier, shortening
the life of the electronic components.
x
Incorrect Mounting
LOW IN
R
L
LEVEL
ON OFF
FREQ
HPF FULL LPF
POWER
50Hz 150Hz
HIGH IN
L R
CROSSOVER BOOST
TEK AMPLIFIERS
TEK AMPLIFIERS
TEK AMPS

Summary

Product Specifications

Important Installation Information

Amplifier Mounting Guidelines

Power Connections

Power Wire & Fuse Requirements

Details recommended wire gauge and fuse values for different amplifier models.

Ground Connection Procedure

Explains how to properly connect the ground wire for optimal performance and safety.

Signal and Speaker Wiring

Remote Turn-On Connection

Guide on connecting the remote turn-on lead to activate the amplifier.

Speaker Output Load and Wiring

Explains load impedance, wiring formulas, and best practices for speaker connections.

Amplifier Operation Modes

Two Channel Operation

Diagrams and descriptions for stereo operation of two-channel amplifiers.

Four Channel Operation

Diagrams and descriptions for stereo operation of four-channel amplifiers.

Three Channel Operation

Diagrams for stereo/mono and stereo & mono configurations.

Connecting Signal Inputs

Signal Input Types & Routing

Guidance on using low-level RCA and high-level inputs, and routing RCA cables.

Level Control (Gain) Adjustment

Step-by-step instructions for setting the amplifier's gain level correctly.

Crossover and Boost Features

Crossover Functionality

Explanation of crossover controls, selectors, and recommendations for speaker sizes.

Bass Boost Functionality

Details on the bass boost feature, its application, and limitations.

Monoblock Amplifier Operation

TEK400.1 Monoblock Specifics

Information on the TEK400.1's mono-block design and operation.

Monoblock Load Requirements

Guidance on impedance load for the TEK400.1 to prevent damage.

Crossfire TEK50.4 Specifications

General

Channels	4
RMS Power @ 4 Ohms	50W x 4
RMS Power @ 2 Ohms	75W x 4
Bridged RMS Power @ 4 Ohms	150W x 2
S/N Ratio	>90dB
Crossover Frequency	50Hz - 500Hz
Crossover Type	HP/LP/Full
Bass Boost	0dB - 12dB