Terminator TN800.5 - Receiver MTX Audio - Free user manual and instructions
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| Brand | MTX Audio |
| Model | Terminator TN800.5 |
| Product Type | 5-Channel Car Audio Amplifier |
| Number of Channels | 5 |
| Peak Power Output | 800 W |
| RMS Power at 4 Ohm (Full-Range) | 75 W x 4 |
| RMS Power at 4 Ohm (Subwoofer) | 200 W x 1 |
| RMS Power at 2 Ohm (Full-Range) | 100 W x 4 |
| RMS Power at 2 Ohm (Subwoofer) | 300 W x 1 |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | >90 dB |
| Total Harmonic Distortion | <0.5% |
| Input Sensitivity | 200 mV - 5 V |
| Inputs | RCA and high-level speaker inputs |
| Cooling | Heatsink air convection cooling |
| Voltage Requirements | 10 - 14.4 V DC |
| Fuse Rating | 80 A |
| Dimensions (W x H x D) | 15.4 x 2.2 x 7.7 in (390 x 55 x 195 mm) |
| Weight | 4.2 kg (9.3 lbs) |
| Infrastructure | Class A/B amplifier topology |
| Features | Variable crossover, bass boost, protection circuitry |
| Maintenance | Wipe with dry cloth; disconnect power before cleaning |
| Safety Instructions | Disconnect battery; professional installation recommended |
| Spare Parts / Repairability | No user-serviceable parts; MTX authorized service center |
| Warranty | MTX Audio limited warranty (see manual) |
Frequently Asked Questions - Terminator TN800.5 MTX Audio
What vehicle systems is the MTX Terminator TN800.5 compatible with?
It works with most 12V negative-ground electrical systems, including aftermarket and factory head units. Use the RCA inputs with an aftermarket deck or the high-level speaker inputs with a factory radio.
What is the recommended power wire gauge?
Use at least 4 AWG copper wire for both power and ground connections. Keep the power wire length below 20 feet and install an 80A fuse within 18 inches of the battery.
Can I bridge the TN800.5 channels to get more power?
The four full-range channels are not bridgeable; the fifth channel is dedicated to a subwoofer. For lower impedance loads, use 2Ω full-range speakers or a single 2Ω subwoofer.
Why does the amplifier shut off?
The built-in protection circuitry trips when there is a short circuit, overheated output stage, or dangerously low speaker impedance. Check speaker wiring and ensure adequate airflow around the heatsink.
How do I set the gain controls correctly?
Start each gain control at minimum, then slowly increase with the volume at about 3/4 of maximum until you hear distortion, then back off slightly. Use an oscilloscope for precise unity gain setup.
Do I need a capacitor or upgraded alternator?
For the TN800.5, a high-quality battery and clean power connections are usually enough. Add a capacitor only if lights dim heavily; otherwise upgrade the battery or alternator.
How should I set the crossover switches?
Set the fourth/full-range channels to high-pass or band-pass for front/rear speakers and the fifth channel to low-pass for the subwoofer. Adjust frequencies from 40-200 Hz to blend music seamlessly.
Does the amplifier have bass boost?
Yes, the subwoofer channel has a variable bass boost (0 to 12 dB) at around 45 Hz. Use it sparingly to avoid distortion.
Can I mount it in an enclosed area?
Allow at least 2 inches of clearance around the heatsink for natural convection. Avoid mounting near loose objects or inside fully sealed compartments.
How do I clean and maintain the amplifier?
Disconnect power, then wipe the exterior with a soft dry cloth. Never use solvents or wet cleaners; inspect terminals and replace worn wires if needed.
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USER MANUAL Terminator TN800.5 MTX Audio
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Product information
Brand : MTX Audio
Model : Terminator TN800.5
Category : Receiver