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The Lanzar Heritage HTGBD1 is a Digital Audio Bass Enhancer Driver with Remote Control, designed to significantly improve the bass response of any car audio system. This device meticulously recreates and injects low-frequency information back into the signal path, providing a more impactful and richer bass experience for your music, whether from compact discs or older tapes.
One of the core functions of the HTGBD1 is its Bass Driver circuit. This circuit is engineered to accurately restore and enhance the low-frequency content that might be lost during the recording process or due to the limitations of various audio sources. By doing so, it ensures that your audio system delivers a powerful and deep bass, adding a new dimension to your listening experience.
Complementing the Bass Driver is a unique Bass Equalization Circuit. This feature allows the HTGBD1 to contour the restored bass specifically to your speaker systems. This customization ensures that the enhanced bass integrates seamlessly with your existing setup, optimizing sound quality and preventing an overpowering or unbalanced audio output.
For convenient control, the HTGBD1 includes a Dash Mountable Remote Control. This remote allows you to adjust the bass enhancement levels without having to reach for the main unit, ensuring a safer and more enjoyable driving experience. The remote control is equipped with an LED indicator that visually communicates the bass level: it brightens as you increase the bass and dims as you decrease it, providing immediate feedback on your adjustments.
The device also offers a visual element to its performance through the Bass Maximize Indicator. Located on the chassis of the HTGBD1, these three LED indicators flash when the bass maximization circuit is actively engaged. This not only provides a visual confirmation of the device's operation but also adds a dynamic aesthetic to your car's interior.
A notable feature for fine-tuning bass response is the PFM Subsonic Filter Switch. This legendary function helps to eliminate nasty subsonic information, which can waste amplifier power and potentially damage speakers. By filtering out these ultra-low frequencies, the PFM Subsonic Filter Switch helps to clean up the sound, allowing your system to deliver clearer and more efficient bass. The switch offers three frequency selections: 35Hz, 50Hz, and 80Hz. For most systems, setting it at 33Hz is suitable, but for enhanced speaker protection or a louder, cleaner sound, a higher frequency can be selected.
The Bass Output Control circuit is another critical component, enabling the HTGBD1 to produce a substantial amount of deep, impactful bass without risking damage to your speakers. This circuit is designed to maximize the bass output of any auto sound audio system while simultaneously restraining destructive bursts, ensuring both powerful sound and speaker longevity.
The HTGBD1's inputs utilize a balanced input circuit, which is crucial for minimizing induced noise, ensuring a clean signal path. These inputs are also robust, capable of handling very high signal voltages up to 15 volts, making the device compatible with a wide range of source units. The RCA outputs are designed to connect to the next component in your audio chain, such as a crossover, equalizer, or amplifier, and it's important to remember that the HTGBD1 should be placed inline before a crossover for optimal performance.
The Para-Bass Controls, consisting of SWEEP and WIDE knobs, offer precise customization of the bass restoration. The SWEEP knob allows you to select the center frequency that the bass restoration circuit will maximize, while the WIDE knob adjusts the width of the frequency range that the HTGBD1 will affect. This level of control ensures that the bass enhancement is tailored to your specific musical preferences and vehicle acoustics.
For internal adjustments, the HTGBD1 features several jumpers. The Input Grounding jumpers allow you to switch between BALANCED and UNBALANCED positions. While BALANCED is suitable for most systems, the UNBALANCED setting can be used if the source unit requires a ground through the RCA connectors, helping to resolve potential grounding issues.
Ground Isolation Jumpers are provided to address alternator whine, which can occur when the source unit and amplifier have different grounding points. By adjusting these jumpers, alternative grounding connections can be established to eliminate such noise. It is crucial to ensure the system is turned OFF before moving these jumpers.
The Bass Output Control Jumpers offer further customization for the Bass Maximize circuit. Depending on whether your system is designed for SPL (sound pressure level) or a more moderate output, these jumpers can be set to increase or decrease the signal voltage of the Bass Restoration Circuit. This allows you to fine-tune the bass output to protect your speakers and maximize performance, with the factory setting often being a good starting point.
In terms of power connections, the HTGBD1 requires a B+(12V) connection to the car battery or another power source, a REMOTE connection to the 12V DC remote activating wire of the car stereo or equalizer, and a GND connection to the car chassis for a secure ground.
Maintenance involves ensuring proper connections and addressing troubleshooting steps if issues arise. If the unit does not power on, checks include verifying that B+ and GND are not reversed, all power wires are correctly connected with appropriate voltage (11-16 volts), and the fuse is intact. For high audible distortion or low output volume, checking input and output levels, as well as crossover settings, is recommended. If whining or engine noises occur, verifying the GND connection's security and wire thickness, checking the B+ wire, and potentially changing the power source are suggested steps.
The HTGBD1 is designed for easy installation, typically mounted using tapping screws, spring washers, and plain washers. Its robust design and comprehensive features make it a powerful tool for any car audio enthusiast looking to elevate their bass experience.
General| Channels | 1 |
|---|---|
| Signal-to-Noise Ratio | 90 dB |
| THD | <0.05% |
| Crossover Frequency | 50Hz - 250Hz |
| Fuse Rating | 30A x 2 |
| RMS Power @ 4 Ohms | 1000W |
| RMS Power @ 2 Ohms | 1500W |
| Total RMS Power | 1500 Watts |
| S/N Ratio | 90 dB |
| Input Sensitivity | 0.2V - 6V |
| Crossover Type | Variable Low Pass |
| Bass Boost | 0 to +18 dB |
| Impedance | 2 Ohms |
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