Blitz BZX8 is a high-performance electronic crossover bass driver network, engineered to deliver unrivaled musical service for years. It offers a range of capabilities to enhance your audio experience:
-
Frequency Response: It operates within the frequency range of 20Hz to 400Hz, ensuring precise control over low-end frequencies.
-
Slope Rate: With an 18dB slope rate, the BZX8 provides a steep and accurate transition between frequencies, minimizing overlap and improving sound clarity.
-
Subwoofer Controls: You can adjust the subwoofer level, select the stereo/mono mode, and even utilize the phase shifter to achieve optimal sound balance.
Blitz BZX8 is a high-performance electronic crossover bass driver network, engineered to deliver unrivaled musical service for years. It offers a range of capabilities to enhance your audio experience:
-
Frequency Response: It operates within the frequency range of 20Hz to 400Hz, ensuring precise control over low-end frequencies.
-
Slope Rate: With an 18dB slope rate, the BZX8 provides a steep and accurate transition between frequencies, minimizing overlap and improving sound clarity.
-
Subwoofer Controls: You can adjust the subwoofer level, select the stereo/mono mode, and even utilize the phase shifter to achieve optimal sound balance.
BZX-8
High Performance Electronic Crossover
Bass Driver Network
user’s manual
Thank you for purchasing the Blitz High performance Electronic Bass Driver. Rest assured you have
purchased a quality product designed and engineered to give you many years un-compromised
musical service. The Blitz Electronic Bass Driver has been designed using the latest in electronic
technology available today.
When you check the list of features offered by the BZX-8, you'll know you made the right choice
with a Blitz Electronic Bass Driver network.
INTRODUCTION...
general features
precautions
features and specifications
system wiring
mounting and installation
noise check and system adjustment
troubleshooting
2
3
4-5
6
7
8
9
table of contents
Chrome Plated Chassis
Acrylic Protective Cover
Green Light Illumination
Frequency Response: 20Hz-400Hz
LED Power On Indicator
LED Clipping Detector
Input Level Controls
Subwoofer Stereo/Mono Selector
Subwoofer Selectable Phase Shifter
Sub Level, Bass Frequency (40-400Hz) and
Q. Select (2-20) Remote Control
Slope Rate: 18dB
RCA Input Jacks
RCA Output Jacks
Remote Q. Control 2-20
2
general features
3
Precautions
To prevent short circuits, be sure to disconnect the negative battery ground lead before wiring the system up.
When you finish the installation, be sure to make one more check to be sure everything is done correctly.
Reinstate all car parts that were removed.
Reconnect the negative battery ground lead.
4
features and specifications
5
features and specifications
Frequency response
Variable Q. control
Variable boost frequency
Input impedance
Maximum output
S/N ratio
Channel separation
THD
Power supply
Dimensions
20Hz-400Hz
2-20
40Hz-400Hz
10K Ohm
7 Volts
>90dB
60dB
0.07%
10-16V DC, negative ground
1.8"H x 7.9"W x 4.8"D
1. INPUT LEVEL CONTROL
2. LED POWER ON INDICATOR
3. LED CLIPPING DETECTOR
4. LOW LEVEL INPUT PORT
5. SUBWOOFER OUTPUT PORT
6. SUBWOOFER SELECTABLE PHASE
SHIFTER
7. SUBWOOFER STEREO/MONO SELECTOR
8. POWER TERMINALS
Turning this control to adjust the input sensitivity of the set to match the radio's output.
The LED indicator lights up when the internal switching power supply is activated and the unit
is operational.
This indicator lights up to indicate the output voltage reaches or surpasses 7 volts RMS
maximum out for the remote level control output.
Low level input RCA jacks used to connect to the output of the signal source
RCA jacks used to connect to the bass amplifier line inputs.
Allows you to change the phase of your subwoofer 0 or 180 degrees to help compensate for
timing differences between drivers.
For selection of stereo or mono mode subwoofer output.
Use these connectors to deliver power, ground and remote turn-on control to the unit.
REMOTE CONTROL UNIT
1 Q SELECT
This control will narrow or widen the boost frequency bandwidth (Q=factor) being
sent to the amplifier for each band from Q=20(Narrow bandwidth, steep slope) to
Q=2 (Wide bandwidth, gentle slopes).
2 BASS FREQUENCY
This control sets the center frequency of the bass boost effect from 40Hz to 400Hz.
3 SUBWOOFER LEVEL CONTROL
This control sets the subwoofer level control.
6
System wiring
SUBWOOFER
7
Mounting and installation
Your new Blitz Series Bass Driver comes complete with all required mounting
hardware.
Mark the location for the mounting screw holes by positioning the crossover
where you wish to install it and use a scribe (or one of the mounting screws)
inserted in each of the mounting holes to mark the mounting surface. If the
mounting surface is carpeted, measure the hole centers and mark with a felt
tip pen.
Before attempting to drill the mounting holes, take note of any wires, lines or
other devices in your vehicle which may be located behind the mounting surface!
Then drill pilot in the mounting surface for the mounting screws and insert
then. Tighten the screws securely.
BTS-1 4ø x12N x 4
SW 4ø(B) x 4
PW 4ø(B) x 4
8
Noise check and system adjustment
NOISE CHECK
Check the entire audio system for noise before permanently securing the Bass Driver mounting
1. Start the engine.
2. Turn the audio system on.
3. Rev the engine and vary the VOLUME of the audio system to determine if there is any unwanted noise.
If so, turn both the audio system and the engine off. Do not secure the Bass Driver mounting screws. Refer to the "Trouble Shooting Guide" at this manual.
4. If the audio system does not have any noise, securely tighten the Bass Driver mounting screw and double check the wiring cabl
es for safe placement.
SYSTEM ADJUSTMENT
Preliminary Adjustments
Pre-setting the system provides a necessary starting point for fine-tuning the entire audio system to maximum performance.
NOTE: DO NOT MOUNT Bass Driver UNTIL THE FOLLOWING PROCEDURES HAVE BEEN COMPLETED.
1. Preset each amplifier input gain adjustment at the amplifier to half of maximum.
2. Slowly turn the volume up and listen carefully for: obvious trouble in sound (distortion, no sound, no hiss, total silence). Turn the system off refer to "Trouble Shooting
Guide" at this manual.
Caution
DO NOT ROUTE AUDIO CABLES AND POWER CABLES TOGETHER! THIS CAN CAUSE ENGINE NOISE IN YOUR AUDIO SYSTEM. ALWAYS DISCONNECT
THE SYSTEM FROM THE BATTERY BEFORE ATTEMPTING TO MAKE OR ALTER ANY CONNECTIONS. THIS PRODUCT IS DESIRED FOR USE IN ANY
12 VOLTS NEGATIVE GROUND ELECTRICAL SYSTEM ONLY. INSTALLING THIS PRODUCT IN ANY POSITIVE GROUND ELECTRICAL SYSTEM COULD
SERIOUSLY DAMAGE THE AUDIO SYSTEM.
Adjusting The Bass Driver
The Bass Driver provides variable enhancement of bass frequencies. The level of peak boost varies from 0 to +12dB and the frequency at which peak boost occurs is adjustable
from 40Hz to 400Hz. 20-Q to 2-Q boost characteristic can be adjustable.
2-Q characteristic boosts a wide range of frequencies and is useful for general sound quality enhancement. The 20-Q characteristic boosts a narrow range of frequencies
and can be used to tune a subwoofer system fo rmaximum output.
The Bass Driver Q adjustable should be set to the 2-Q(wide) position and the frequency control set approximately one octave below the subwoofer's resonant frequency.
In vented enclosures, the roll off of the system is quite steep below the tuning frequency (typically 24dB/octave). In this case, the bass driver should be set for 20-Q(narrow)
operation. Never set the Bass Driver boost frequency below a vented enclosuer's turning frequency. For maximum output from a vented enclosure, set the Bass Driver boost
frequency to the tuning frequency of the enclosure. These adjustments can be made with the Bass Driver in the signal path, but make sure the effect is turned off (remote
level Min.) then verify operation of the Bass Driver by increasing the boost level while listening for changes in subwoofer response.
Once operation of the Bass Driver is confirmed, adjustment can proceed.
9
TBOUBLE SHOOTING GUIDE
1. There is an audible distortion at a low
volume level.
PROBLEM
POSSIBLE CAUSE
Output levels NOT set correctly.
2. A whining sound can be heard through the
speakers when the audio system is at low
volume with the engine running. The whining
noise remains unchanged or seems to
disappear when the volume level is
increased.
3. There is a "motor boating" type of sound
when the engine is running and the audio
system volume is set at a reasonably high
level.
Check the red power wire. It muse be connected
directly to the battery. Check the system's
ground point It muse make good contact with
chassis ground (bare metal).
The radio and the Bass Driver must be
grounded at the same reference point.
Check the red power wire. It must be connected
directly to the battery. Check the system's
ground point. It must make good contact with
chassis ground (bare metal).
All Blitz products are carefully constructed and thoroughly tested before
shipment. Products purchased in the USA are warranted to be free of defects
in material and workmanship for two (2) years from the date of purchase. This
warranty is limited to the original retail purchase.
Should the product fail due to factory defects in material or workmanship,
your unit will be repaired or replaced at the sole discretion of Blitz.
To obtain warranty service you must first call our Consumer Return Hotline
number at (718) 236-6948 to obtain a Return Authorization number. This
R.A.# must appear on the outside of your package and on all paperwork
relating to your return.
When returning a product to us for warranty service it must be carefully packed
and shipped prepaid to:
You must also include the following items:
• A copy of your sales receipt or other proof of purchase
• A brief letter indicating the problem you are experiencing
• include in your letter your return address, daytime phone number,
and R.A. number
• also include a check or money order for $15.00 for return shipping,
handling, and insurance, or provide your Visa/MC number with
expiration date.
R.A.#
Blitz Service Center
1600 63rd Street
Brooklyn, NY 11204
Our obligation under this warranty is limited to the repair or
replacement of the defective unit when it is returned to us prepaid.
This warranty will be considered void if the unit was tampered with,
improperly serviced, or subject to misuse, neglect, or accidental
damage.
limited warranty policy
www.blitzaudio.com
Bass Driver
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Blitz BZX8 is a high-performance electronic crossover bass driver network, engineered to deliver unrivaled musical service for years. It offers a range of capabilities to enhance your audio experience:
-
Frequency Response: It operates within the frequency range of 20Hz to 400Hz, ensuring precise control over low-end frequencies.
-
Slope Rate: With an 18dB slope rate, the BZX8 provides a steep and accurate transition between frequencies, minimizing overlap and improving sound clarity.
-
Subwoofer Controls: You can adjust the subwoofer level, select the stereo/mono mode, and even utilize the phase shifter to achieve optimal sound balance.
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