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Crossfire BMF1000D - User Manual

Crossfire BMF1000D
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FEATURES
FEATURES
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
MODEL: BMF1000D BMF600D
RMS Power / 4 ohms @ 0.08% T.H.D.
250W x 1
150W x 1
2 ohms @ 0.4% T.H.D. 500W x 1 300W x 1
1 ohm @ 1 % T.H.D. 1000W x 1 600W x 1
Efficiency / Typical 86% 86%
Worst Case 72% 72%
Bandwidth + 3dB 10Hz 250Hz 10Hz 250Hz
Signal To Noise >90dB >90dB
Damping Factor 200 200
Input Sensitivity 240 mV 6V 240mV 6V
Input Impedance 20K ohms 20k ohms
Circuit Breaker / fuse 120 Amp 60 Am p
Dimensions 9.3W x 2.1H x 13L 9.3W x 2.1H x
10.5L
CROSSOVER
Low Pass Variable 50 250Hz
X-Over Slope 12dB
Variable Subsonic Filter Variable 20 - 50Hz @ 12dB
Preamp Crossover Variable 50 250Hz
Preamp output
All specifications are with 12.5 volts DC. Typical output with 14.4 volts DC is 20% higher.
SPECIFICATIONS
SPECIFICATIONS
BMF CLASS D AMPLIFIERS
BMF CLASS D AMPLIFIERS
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.
IMPORTANT
IMPORTANT
Please read all instructions before installation!
Please read all instructions before installation!
OPERATION
OPERATION
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.
+
+
-
SPEAKER
POWER
+12 REM
GND
PWR
PRT
-
--
++
4 ohm subwoofer 4 ohm subwoofer
In both diagrams, the
amplifier sees a 2 ohm load
+
+
-
SPEAKER
POWER
+12 REM
GND
PWR
PRT
-
--
++
4 ohm subwoofer 4 ohm subwoofer
BMF D AMPS

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Summary

FEATURES

SPECIFICATIONS

MODEL SPECIFICATIONS

Detailed technical specifications for BMF1000D and BMF600D models.

CROSSOVER SPECIFICATIONS

Crossover settings including low pass and subsonic filter ranges.

IMPORTANT INSTALLATION NOTES

OPERATION

AMPLIFIER OPERATION DESCRIPTION

Explains how the single-channel amplifiers operate and their speaker output configuration.

SPEAKER OUTPUT DIAGRAMS

Illustrates load configurations for 4 ohm subwoofers connected to amplifier outputs.

MOUNTING

MOUNTING GUIDELINES

Proper placement and clearance for optimal heat dissipation and amplifier longevity.

MOUNTING HOLE DRILLING

Recommendations for pre-drilling mounting holes to prevent damage during installation.

CORRECT MOUNTING EXAMPLES

Visual comparison of incorrect vs. correct mounting for effective heat management.

POWER CONNECTIONS

VOLTAGE SUPPLY CHECK

Procedure for checking vehicle battery voltage before connecting the amplifier.

POWER WIRE & FUSE

RECOMMENDED FUSE AND WIRE GAUGE

Specifies fuse values and wire gauge for different amplifier models up to 20ft.

POWER WIRE CONNECTION RULES

Guidelines for safely routing and connecting the power cable to the battery.

GROUND CONNECTION

GROUND WIRE GAUGE AND COLOR

Requirements for ground wire gauge and color to ensure proper connection.

GROUND CONNECTION PROCEDURE

Steps for selecting and securing a solid ground point for the amplifier.

REMOTE TURN-ON CONNECTION

FINDING THE REMOTE TURN-ON SOURCE

Guidance on locating the +12V switched source from the head unit or vehicle.

CONNECTING THE REMOTE WIRE

Instructions for connecting the remote turn-on wire to the amplifier and source unit.

SPEAKER OUTPUTS WIRING

RECOMMENDED SPEAKER WIRE GAUGE

Specifies minimum 12 gauge speaker wire for Class 'D' amplifiers and connection tips.

TERMINATING SPEAKER WIRES

Instructions for stripping and connecting speaker wires to the amplifier terminals and loudspeakers.

CONNECTING THE WIRES

WIRE ROUTING AND SLACK

Guidance on routing wires, creating slits, and leaving adequate slack for mounting.

WIRE STRIPPING AND TERMINAL CONNECTION

Procedure for stripping wire insulation and connecting to amplifier terminals securely.

SIGNAL INPUTS

IMPORTANCE OF SIGNAL CABLES

Emphasizes using proper signal cables for clear signal transmission to the amplifier.

RCA CABLE QUALITY

Notes on RCA cable differences, shielding, and twisted pair for noise rejection.

LINE LEVEL INPUTS

AVOIDING NOISE INTERFERENCE

Tips for routing RCA cables away from noise sources like engine noise and fans.

RCA RECEPTACLE IDENTIFICATION

Explains the 'LOW IN' RCA receptacles and correct cable balancing (red/right, black/left).

PEAMP FEATURES OVERVIEW

PREAMP SECTION COMPONENTS

Details on Lowpass Crossover, Subsonic Filter, Preamp Output, and Digital Remote Level Control.

LOWPASS CROSSOVER

LPF DIAL FUNCTIONALITY

Explains the variable lowpass filter from 50Hz to 250Hz for subwoofer blending.

ACTIVE CROSSOVER NOTE

Clarifies that the crossover is always active due to the amplifier's limited frequency range.

SUBSONIC FILTER

SUBSONIC FILTER PURPOSE

Reduces low-frequency harmonics and noise damaging to subwoofers and amplifiers.

SUBSONIC FILTER SETTINGS

Variable 20Hz-50Hz, selectable ON/OFF, and optimal frequency recommendations.

REMOTE LEVEL CONTROL

REMOTE CONTROL FUNCTIONALITY

Allows driver-side adjustment of amplifier output level; connects directly to amplifier.

LINE LEVEL OUTPUTS

LINKING MULTIPLE AMPLIFIERS

Provides a buffered signal for linking amplifiers without RCA y-cables.

VARIABLE ELECTRONIC CROSSOVER

Includes switchable crossover (HPF, LPF, Full) from 50Hz to 250Hz for system flexibility.

BRIDGING CIRCUIT (Invert Output)

BRIDGING REQUIREMENTS

Explains bridging two amplifiers for double output, requiring 2ohm minimum impedance.

MASTER;SLAVE CONTROL SETTINGS

Details the three Master/Slave settings (0, 180, Slave) and their application.

HOW TO BRIDGE MY AMPLIFIERS

BRIDGING WIRING DIAGRAM

Visual guide for connecting two amplifiers in a bridged configuration for increased output.

PREAMP SETTINGS FOR BRIDGING

Instructions on setting preamp controls and master/slave configuration for bridged amps.

GAIN CONTROL

GAIN ADJUSTMENT STEPS

Three-step process to match amplifier input level to source unit output without distortion.

GAIN VS. VOLUME KNOB

Clarifies that gain control is not a volume knob and warns against improper use.

BRIDGED GAIN CONTROL

Specifies that only the 'Master' amplifier's gain control is adjustable when bridging.

POWER AND PROTECTION

POWER AND PROTECTION LEDs

Explanation of the Green (power ON) and Red (protection mode) LED indicators.

SYSTEM EXAMPLES

TWO-WAY SYSTEM EXAMPLE

Wiring diagram for a two-way system using HPF and FULL crossover settings.

MULTI-SUBWOOFER SYSTEM EXAMPLE

Wiring diagram for a multi-subwoofer setup using FULL crossover settings for each.

Summary

FEATURES

SPECIFICATIONS

MODEL SPECIFICATIONS

Detailed technical specifications for BMF1000D and BMF600D models.

CROSSOVER SPECIFICATIONS

Crossover settings including low pass and subsonic filter ranges.

IMPORTANT INSTALLATION NOTES

OPERATION

AMPLIFIER OPERATION DESCRIPTION

Explains how the single-channel amplifiers operate and their speaker output configuration.

SPEAKER OUTPUT DIAGRAMS

Illustrates load configurations for 4 ohm subwoofers connected to amplifier outputs.

MOUNTING

MOUNTING GUIDELINES

Proper placement and clearance for optimal heat dissipation and amplifier longevity.

MOUNTING HOLE DRILLING

Recommendations for pre-drilling mounting holes to prevent damage during installation.

CORRECT MOUNTING EXAMPLES

Visual comparison of incorrect vs. correct mounting for effective heat management.

POWER CONNECTIONS

VOLTAGE SUPPLY CHECK

Procedure for checking vehicle battery voltage before connecting the amplifier.

POWER WIRE & FUSE

RECOMMENDED FUSE AND WIRE GAUGE

Specifies fuse values and wire gauge for different amplifier models up to 20ft.

POWER WIRE CONNECTION RULES

Guidelines for safely routing and connecting the power cable to the battery.

GROUND CONNECTION

GROUND WIRE GAUGE AND COLOR

Requirements for ground wire gauge and color to ensure proper connection.

GROUND CONNECTION PROCEDURE

Steps for selecting and securing a solid ground point for the amplifier.

REMOTE TURN-ON CONNECTION

FINDING THE REMOTE TURN-ON SOURCE

Guidance on locating the +12V switched source from the head unit or vehicle.

CONNECTING THE REMOTE WIRE

Instructions for connecting the remote turn-on wire to the amplifier and source unit.

SPEAKER OUTPUTS WIRING

RECOMMENDED SPEAKER WIRE GAUGE

Specifies minimum 12 gauge speaker wire for Class 'D' amplifiers and connection tips.

TERMINATING SPEAKER WIRES

Instructions for stripping and connecting speaker wires to the amplifier terminals and loudspeakers.

CONNECTING THE WIRES

WIRE ROUTING AND SLACK

Guidance on routing wires, creating slits, and leaving adequate slack for mounting.

WIRE STRIPPING AND TERMINAL CONNECTION

Procedure for stripping wire insulation and connecting to amplifier terminals securely.

SIGNAL INPUTS

IMPORTANCE OF SIGNAL CABLES

Emphasizes using proper signal cables for clear signal transmission to the amplifier.

RCA CABLE QUALITY

Notes on RCA cable differences, shielding, and twisted pair for noise rejection.

LINE LEVEL INPUTS

AVOIDING NOISE INTERFERENCE

Tips for routing RCA cables away from noise sources like engine noise and fans.

RCA RECEPTACLE IDENTIFICATION

Explains the 'LOW IN' RCA receptacles and correct cable balancing (red/right, black/left).

PEAMP FEATURES OVERVIEW

PREAMP SECTION COMPONENTS

Details on Lowpass Crossover, Subsonic Filter, Preamp Output, and Digital Remote Level Control.

LOWPASS CROSSOVER

LPF DIAL FUNCTIONALITY

Explains the variable lowpass filter from 50Hz to 250Hz for subwoofer blending.

ACTIVE CROSSOVER NOTE

Clarifies that the crossover is always active due to the amplifier's limited frequency range.

SUBSONIC FILTER

SUBSONIC FILTER PURPOSE

Reduces low-frequency harmonics and noise damaging to subwoofers and amplifiers.

SUBSONIC FILTER SETTINGS

Variable 20Hz-50Hz, selectable ON/OFF, and optimal frequency recommendations.

REMOTE LEVEL CONTROL

REMOTE CONTROL FUNCTIONALITY

Allows driver-side adjustment of amplifier output level; connects directly to amplifier.

LINE LEVEL OUTPUTS

LINKING MULTIPLE AMPLIFIERS

Provides a buffered signal for linking amplifiers without RCA y-cables.

VARIABLE ELECTRONIC CROSSOVER

Includes switchable crossover (HPF, LPF, Full) from 50Hz to 250Hz for system flexibility.

BRIDGING CIRCUIT (Invert Output)

BRIDGING REQUIREMENTS

Explains bridging two amplifiers for double output, requiring 2ohm minimum impedance.

MASTER;SLAVE CONTROL SETTINGS

Details the three Master/Slave settings (0, 180, Slave) and their application.

HOW TO BRIDGE MY AMPLIFIERS

BRIDGING WIRING DIAGRAM

Visual guide for connecting two amplifiers in a bridged configuration for increased output.

PREAMP SETTINGS FOR BRIDGING

Instructions on setting preamp controls and master/slave configuration for bridged amps.

GAIN CONTROL

GAIN ADJUSTMENT STEPS

Three-step process to match amplifier input level to source unit output without distortion.

GAIN VS. VOLUME KNOB

Clarifies that gain control is not a volume knob and warns against improper use.

BRIDGED GAIN CONTROL

Specifies that only the 'Master' amplifier's gain control is adjustable when bridging.

POWER AND PROTECTION

POWER AND PROTECTION LEDs

Explanation of the Green (power ON) and Red (protection mode) LED indicators.

SYSTEM EXAMPLES

TWO-WAY SYSTEM EXAMPLE

Wiring diagram for a two-way system using HPF and FULL crossover settings.

MULTI-SUBWOOFER SYSTEM EXAMPLE

Wiring diagram for a multi-subwoofer setup using FULL crossover settings for each.

Crossfire BMF1000D Specifications

General IconGeneral
BrandCrossfire
ModelBMF1000D
CategoryCar Amplifier
LanguageEnglish

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