MTX AUDIO TN8MS 8 Inch Terminator Micro Subwoofer Enclosure Owner’s Manual
- June 10, 2024
- MTX Audio
Table of Contents
MTX AUDIO TN8MS 8 Inch Terminator Micro Subwoofer Enclosure
Product Information
- Model Number: TN8MS
- Primary Power Output Rating: 135W at 2, 20-200Hz and 1% THD+N
- SNR Rating: 91dBA
- Dynamic Power Rating: 200W at 2 20% THD+N
- Maximum Input Signal: 5V
- Minimum Input Signal: 400mV
- High and Low-Level: Inputs
- Remote Bass Knob: Included
Product Usage Instructions
- When connecting the power and ground wires, ensure that the red power wire is fused at the point where it is connected to the vehicle’s battery. Failure to do so can result in damage to the vehicle if a short circuit develops between the vehicle connection point and the product.
- If you have any questions regarding wire routing in a vehicle, please contact MTX Technical Support at 1-800-225-5689.
- A proper ground is required for your amplifier to operate at peak performance. A short ground cable the same diameter as the power cable should be used to attach the ground terminal directly to the chassis of the vehicle. Always remove paint, dirt or debris to expose bare metal where the ground will be attached.
- Use high quality RCA cables to decrease the possibility of radiated noise entering the system when using RCA inputs with source units that have RCA or Line level outputs. (Source units need a minimum level of 100mV output for proper operation of the amplifier).
- When using speaker-level inputs, output speaker leads from the source unit should be tied directly to the wire harness provided with the amplifier.
- Use moderation when using the Bass Boost feature, which raises the bass level @ 45Hz from 0dB to +12dB.
- The amplifier can be turned on by applying 12 volts to the Remote Terminal (REM). Typically, this voltage is supplied by a wire from the source unit marked remote or power antenna.
- The LED illuminates red when the amp is switched on or in thermal protection.
- Connection of the Remote Subwoofer Level Control (EBC) to the EBC Port (External Bass Control) is necessary to adjust bass levels on demand. The EBC is included.
Thank you for purchasing the MTX Audio TN8MS powered micro enclosure. Proper installation and usage will provide superior sound and performance. For any further assistance, please contact MTX Technical Support at 1-800-225-5689.
IMPORTANT NOTICE
If you have any questions regarding wire routing in a vehicle, please contact
MTX Technical Support at
1-800-225-5689.
When connecting power and ground wires ensure that the red power wire is fused
at the point where it is connected to the vehicle’s battery. Failure to do so
can result in damage to the vehicle if a short circuit develops between the
vehicle connection point and the product.
PRODUCT INFORMATION
- Model #: ——————–
- Serial #: ———————
- Dealer’s Name: ————-
- Date of Purchase: ———-
IN THE BOX
- TN8MS Powered Micro Enclosure
- External Bass Control
FEATURES
- Amplified Subwoofer: Enclosure
- Primary: Ratings
- Primary Power Output Rating: 135W at 2Ω, 20-200Hz and ≤ 1% THD+N
- SNR Rating: 91dBA
- Secondary: Ratings
- Dynamic Power Rating: 200W at 2Ω ≤ 20% THD+N
- Maximum Input Signal: 5V
- Minimum Input Signal: 400mV
- High and Low-Level: Inputs
- Remote Bass Knob: Included
CONTROL FUNCTIONS
-
Power Terminal (+12V) – This is the main power input for the amplifier and must be connected directly to the positive terminal of the vehicle’s battery for proper operation. Use caution when installing (+12V) power cable in the vehicle. Avoid running this cable parallel with RCA cables, antennas, or other sensitive equipment due to massive currents that can induce noise into the audio system. It is also very important to have a tight, secure connection for maximum performance. MTX recommends using a minimum of 8 AWG full copper power wire with the TN8MS powered enclosure.
-
Remote Terminal (REM) – The amplifier can be turned on by applying 12 volts to this terminal. Typically this voltage is supplied by a wire from the source unit marked “remote” or “power antenna”. Note: When speaker high level inputs are used, the remote function is automatic. Connection of this cable is not needed.
-
Ground Terminal (GND) – A proper ground is required for your amplifier to operate at peak performance. A short ground cable the same diameter as the power cable should be used to attach the ground terminal directly to the chassis of the vehicle. Always remove paint, dirt or debris to expose bare metal where the ground will be attached.
-
Protection LED – The LED illuminates red when the amp is in thermal protection.
-
Power On LED – The LED illuminates red when the amp is switched on.
-
RCA Inputs – These RCA inputs are used with source units that have RCA or Line level outputs. (Source units need a minimum level of 100mV output for proper operation of the amplifier). MTX recommends only high quality RCA cables to decrease the possibility of radiated noise entering the system.
-
Gain Control – The gain control matches the input sensitivity of the amplifier to the source unit being used. The operating range varies from 100mv to 4V.
Adjusting the gain: -
Turn the gain control on the amplifier all the way down (counter clockwise).
-
Turn up the volume control on the source unit to approximately 3⁄4 of maximum.
-
Adjust the gain control on the amplifier until audible distortion occurs.
-
Adjust the gain control down until audible distortion disappears.
-
The amplifier is now calibrated to the output of the source unit.
-
Speaker Level Inputs – This input will allow the amplifier to operate from source units with speaker-level outputs. Output speaker leads from the source unit should be tied directly to the wire harness provided with the amplifier.
Note: When speaker high level inputs are used, the remote function is automatic. -
EBC Port (External Bass Control) – The Remote Subwoofer Level Control (EBC) plugs directly into this port, while the EBC itself can be placed anywhere in the vehicle for on demand bass adjustments. The EBC is included.
-
15A Fuse – When the fuse blows, replace it with the same value. Never use a higher rated fuse!
-
Phase Switch – Two positions are available – 0° or 180°. Always try both and use the one that produces more bass sitting at the front.
-
Bass Boost – Raises the bass level @ 45Hz from 0dB to +12dB. Use with moderation.
-
Low Pass X-Over Frequency Control – Used to select the desired low-pass (LP) x-over frequency. The frequency is adjustable from 50Hz to 150Hz.
INSTALLATION
MTX recommends your new TN8MS powered enclosure to be installed by an Authorized MTX retailer. Any deviation from specified installation instructions can cause serious damage to the amplifier, subwoofer and/or vehicle’s electrical system. Damage caused from improper installation is NOT covered under warranty. Please verify all connections prior to turning on your system!
- Disconnect the vehicle’s negative battery cable.
- Determine the mounting place for your MTX TN8MS. Keep in mind there should be sufficient air flow for proper cooling.
- Install a positive (+) power cable from the vehicle’s battery through the firewall using a grommet or firewall bushing to avoid cable damage from sharp edges of the firewall. Run the cable through the interior of the vehicle and connect it to the amplifier’s (+12V) terminal (1). Do Not connect to the battery at this time. Note: Use only proper gauge wire for both positive and negative connections.
- Install a circuit breaker or fuse within 8″ of the battery. This effectively lowers the risk of severe damage to you or your vehicle in case of a short circuit or accident. Make sure the circuit breaker is switched off or the fuse is taken out of the fuse holder until all connections are made. Now connect your positive power cable to the positive battery terminal.
- Grounding – Locate a proper ground point on the vehicle’s chassis and remove all paint, dirt, or debris to reveal a bare metal surface. Attach the ground wire to that contact point. Connect the opposite end of the ground wire to the (GND) terminal on the amplifier (3).
- Connect a remote turn-on wire from the source unit to the amplifier remote terminal (2). If the source unit does not have a dedicated Remote Turn-on lead, you may connect to the source unit’s Power Antenna lead.
- Connecting signal cables to the amplifier: There are two ways to supply the signal to your MTX TN8MS.
- To get maximum performance, we suggest connecting a high quality RCA to the corresponding outputs at the source unit and inputs of the amplifier (6).
- If a source unit is being used without RCA outputs, use the included high-level amplifier’s speaker terminals (8) using the right gauge speaker wire.
- Double check all previous installation steps, in particular, wiring and component connections. Once verified, reconnect the vehicle’s negative battery cable, turn the circuit breaker on or place the fuse in the fuse holder.
Note: Gain Levels on the amplifier should be turned all the way down (counter clockwise) before proceeding with adjustments.
© 2019 Mitek Corporation. All rights reserved. MTX is a trademark of Mitek
Corporation. Designed and Engineered in the U.S.A.
Due to continual product development, all specifications are subject to change
without notice.
MTX Audio, 4545 East Baseline Rd. Phoenix, AZ 85042 U.S.A.
1-800-225-5689
MTX005821 RevB 2/19
- 21A10714
- AW0015732
- MTX.COM