HCM-1200.1D - Receiver Hifonics - Free user manual and instructions
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| Product Type | Monoblock Class D Subwoofer Amplifier |
| Amplifier Class | Class D |
| RMS Power at 4 Ohms | 300W x 1 |
| RMS Power at 2 Ohms | 600W x 1 |
| RMS Power at 1 Ohm | 1200W x 1 |
| Max Power | 2400W |
| Frequency Response | 10Hz - 300Hz |
| Signal-to-Noise Ratio | >90 dB |
| Damping Factor | >200 |
| Input Sensitivity | 200mV - 6V |
| Bass Boost | 0-18dB @ 45Hz |
| Subsonic Filter | 10Hz - 50Hz (variable) |
| Low Pass Filter | 50Hz - 300Hz (variable) |
| Protection Circuitry | Thermal, overcurrent, short circuit, DC offset |
| Power Supply Voltage | 10V - 16V DC |
| Dimensions (L x W x H) | 330mm x 190mm x 58mm |
| Weight | 2.6 kg |
| Recommended Fuse | 80A |
| Installation | Professional installation recommended |
| Maintenance | Wipe with dry cloth; ensure vents are clear |
| Safety Warnings | Disconnect battery prior to installation or service |
| Repairability | Service by authorized technicians only |
| Warranty | Check included warranty card for details |
Frequently Asked Questions - HCM-1200.1D Hifonics
What type of amplifier is the Hifonics HCM-1200.1D?
The Hifonics HCM-1200.1D is a monoblock Class D amplifier designed specifically for subwoofer applications. It delivers high efficiency and power in a compact chassis.
What is the maximum power output of this amplifier?
The amplifier produces 1200 watts RMS at 1 ohm, 600 watts RMS at 2 ohms, and 300 watts RMS at 4 ohms. The max power is rated at 2400 watts.
Can I run a 2-ohm subwoofer with this model?
Yes, the HCM-1200.1D is 1-ohm stable and fully supports 2-ohm loads. At 2 ohms, it delivers 600 watts RMS, which is ideal for dual 4-ohm voice coil subwoofers wired in parallel.
Does it come with a remote bass control knob?
Yes, the package typically includes a remote bass level control (bass knob). This allows you to adjust bass intensity directly from the driver's seat without accessing the amplifier.
What size amplifier power wire should I use?
For optimal performance, use 4 AWG power and ground cable with a 80-amp inline fuse. If the amplifier is under 100 watts RMS, 8 AWG may suffice, but 4 AWG is recommended for headroom.
How do I set the input gain correctly?
Start by setting the gain to minimum, then play a test tone at moderate volume (around 75% of max volume). Gradually increase the gain until just before any clipping or distortion is heard. For best results, use a multimeter or oscilloscope to set the voltage according to the rated output.
Does the amplifier have a low-pass filter?
Yes, it features a variable low-pass filter (50Hz to 300Hz) and a variable subsonic filter (10Hz to 50Hz). These crossovers allow you to match the amplifier to the subwoofer and enclosure, protecting the sub from low-frequency overload.
What is the recommended fuse for the HCM-1200.1D?
We recommend an 80 ampere fuse on the power wire near the battery. This protects the amplifier and vehicle wiring in case of a short circuit.
Is this amplifier compatible with factory head units?
Yes, the amplifier has an input sensitivity range of 200mV to 6V, allowing it to accept low-power factory head unit signals. You may need a line output converter if your radio has no RCA outputs.
What safety precautions should I take when installing?
Always disconnect the battery's negative terminal before starting the installation. Securely fasten the amplifier, avoid mounting near heat sources or water, and ensure proper ventilation. Use suitable gauge wire and rubber grommets when routing cables through metal holes.
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USER MANUAL HCM-1200.1D Hifonics
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Product information
Brand : Hifonics
Model : HCM-1200.1D
Category : Receiver