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BMF CLASS D AMPLIFIERS
BMF CLASS D AMPLIFIERS
Class "D" Technology
Fully 1 Ohm Stable Operation
Military Spec Audiophile Grade Components
High Efficiency PWM Power Supply
-Multi-stranded power torroid
-Oversized torroidial core
MOSFET Input and Output Transistors
Oversized Capacitor Banks
Discrete Mount Power and Speaker Terminals
Variable Lowpass Electronic Crossover
Variable Subsonic Filter
RCA Preamp Output
-Variable HP/LP/Full crossover
Built in Bridging Module
-Master / Slave Selector
-0/180 Phase Selector
5 Way Protection Circuitry
Soft Remote On/Off Circuitry
Digital Subwoofer Level Control
Two Year Limited Warranty
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.
Both the Crossfire BMF1000D and BMF600D are single channel, dedicated subwoofer amplifiers. Unlike other Crossfire BMF amplifiers, both these amplifiers operate
as a single channel, therefore one amplifier cannot be bridged by itself. Do not be fooled by the two sets of speaker outputs. Two outputs are provided strictly for
convenience and are paralleled internally on the circuit board of the amplifier. This means that if both outputs are used with one driver each, the amplifier sees the
same load as if the same two drivers are connected to only one output terminal.
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-
+
+
SPEAKER
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-
+
+
4 ohm subwoofer
4 ohm subwoofer
FEATURES
FEATURES
Please read all instructions before installation!
Please read all instructions before installation!
amplifier sees a 2 ohm load
PWR
PRT
+12
REM
GND
POWER
SPECIFICATIONS
SPECIFICATIONS
MODEL:
RMS Power / 4 ohms @ 0.08% T.H.D.
2 ohms @ 0.4% T.H.D.
1 ohm @ 1 % T.H.D.
Efficiency / Typical
Worst Case
Bandwidth + 3dB
Signal To Noise
Damping Factor
Input Sensitivity
Input Impedance
Circuit Breaker / fuse
Dimensions
CROSSOVER
Low Pass
X-Over Slope
Variable Subsonic Filter
Preamp Crossover
Preamp output
All specifications are with 12.5 volts DC. Typical output with 14.4 volts DC is 20% higher.
IMPORTANT
IMPORTANT
OPERATION
OPERATION
In both diagrams, the
4 ohm subwoofer
BMF1000D
250W x 1
500W x 1
1000W x 1
86%
72%
10Hz – 250Hz
>90dB
200
240 mV – 6V
20K ohms
120 Amp
9.3"W x 2.1"H x 13"L
Variable 50 – 250Hz
12dB
Variable 20 - 50Hz @ 12dB
Variable 50 – 250Hz
PWR
PRT
-
-
+
+
+12
REM
GND
SPEAKER
POWER
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-
+
+
BMF D AMPS
4 ohm subwoofer
BMF600D
150W x 1
300W x 1
600W x 1
86%
72%
10Hz – 250Hz
>90dB
200
240mV – 6V
20k ohms
60 Am p
9.3"W x 2.1"H x 10.5"L
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Table of Contents
Related Manuals for Crossfire BMF600D
Summary of Contents for Crossfire BMF600D
- Page 1 Please read all instructions before installation! 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.
- Page 2 POWER CONNECTIONS All Crossfire amplifiers are designed to work within 10.5 to 16 volts DC. Therefore, as a precaution the vehicle's electrical system should be checked for correct voltage supply with the help of a voltmeter. First, connect the test leads of the voltmeter to the battery terminals with the ignition in of the vehicle in the off position. The voltmeter should read no less than 12 volts.
- Page 3 Wire Fuse BMF1000D 4awg. 100amp BMF600D 8awg. 60amp POWER Power wire needs be connected directly to the battery using the wire requirements listed above. Never use the fuse box or any other wire as a source for the power for an amplifier.
- Page 4 SPEAKER OUTPUTS WIRING Due to the power output and the low frequency bandwidth of the Class "D" amplifiers, Crossfire recommends using a minimum of high quality 12 gauge speaker wire. Consult your local dealer for their recommendations. As with the power wires, use caution around sharp corners or body parts that may easily cut through the insulation on the wire. To connect the wire to the speaker, strip off approximately ½"...
- Page 5 REMOTE LEVEL CONTROL Optional to the BMF600D/1000D is the digital remote level control. This level control can be mounted in an area within reach from the driver's seat and can be used to raise and lower the output level of the amplifier to the desired level. To connect this, run the provided cable from the remote to the amplifier. Plug the cable into the receptacle on the preamp section of the amplifier marked "REMOTE".
- Page 6 BRIDGING CIRCUIT (Invert output) The bridging module can only be used when two pairs of either BMF600D or BMF1000D are used. This allows for the two amplifiers to be run in series to achieve double the output. However, this does change the minimum impedance required to 2ohms. Bridging the amplifiers should only be done if the proper impedance cannot be achieved with the amplifiers separated.
- Page 7 OVER OVER Gain Control If you are bridging the two BMF600D or BMF1000D's together, only the gain control on the "Master" amplifier is adjustable. Use the same three steps to adjust the gain. POWER AND PROTECTION POWER AND PROTECTION On the power and speaker panel of the amplifier are two LED's. These LED's indicate either power "on" or protection modes.
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