1. Introduction
Thank you for choosing the Turbosound TFM450 Floor Monitor. This high-performance bi-amped wedge monitor is designed for professional audio applications, providing exceptional sound clarity and robust construction. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your TFM450.
Image 1.1: The Turbosound TFM450 Floor Monitor, showcasing its robust design and perforated metal grille.
Key Features:
- Custom 15" neodymium Low-Frequency (LF) driver
- 3" diaphragm neodymium High-Frequency (HF) compression driver
- 40° x 60° horn dispersion
- Bi-amped operation for optimized performance
- Durable birch plywood enclosure
- Flush handles and recessed Speakon connector plates
- Pole mount fitting for versatile placement
- Wrap-around perforated steel mesh grille for protection
2. Setup
Proper setup is crucial for optimal performance and safety. Follow these steps to prepare your TFM450 for use.
2.1 Unpacking and Inspection
- Carefully remove the TFM450 from its packaging.
- Inspect the unit for any signs of damage that may have occurred during transit. If damage is found, contact your dealer immediately.
- Retain the original packaging for future transport or storage.
2.2 Placement
The TFM450 is designed as a floor monitor. Position it on a stable, flat surface directly on the stage or performance area. Ensure the monitor is angled correctly towards the performer for optimal sound projection. The integrated pole mount fitting allows for alternative placement on a speaker pole if desired.
2.3 Connections
The TFM450 requires bi-amplification. This means separate amplifier channels are needed for the low-frequency (LF) and high-frequency (HF) drivers. Use high-quality Speakon cables for all connections.
- Connect the LF output of your bi-amplification system or crossover to the LF input Speakon connector on the TFM450.
- Connect the HF output of your bi-amplification system or crossover to the HF input Speakon connector on the TFM450.
- Ensure all connections are secure and correctly polarized.
Note: Incorrect wiring or single-amplification can damage the unit. Always refer to your amplifier and crossover manuals for proper bi-amplification setup.
3. Operating Instructions
Once the TFM450 is properly set up and connected, follow these guidelines for safe and effective operation.
3.1 Powering On/Off
- Always power on your audio system in the following order: source devices (mixers, processors), then amplifiers.
- Power off your audio system in the reverse order: amplifiers first, then source devices. This prevents loud thumps or pops that could damage the speakers.
3.2 Gain Staging and Level Setting
- Start with amplifier levels at their minimum.
- Gradually increase the amplifier levels while playing audio, ensuring that the sound remains clear and free of distortion.
- Avoid driving the amplifiers into clipping, as this can severely damage the TFM450 drivers.
- Monitor the sound for any signs of stress or distortion from the monitor itself.
3.3 Equalization and Processing
While the TFM450 is designed for a flat frequency response, environmental factors and personal preference may require equalization. Use a high-quality graphic or parametric equalizer to fine-tune the sound. Avoid excessive boosting of frequencies, especially in the bass region, which can lead to premature driver fatigue.
4. Maintenance
Regular maintenance will ensure the longevity and continued performance of your Turbosound TFM450.
4.1 Cleaning
- Wipe the exterior of the enclosure with a soft, dry, lint-free cloth.
- For stubborn dirt, a slightly damp cloth can be used, followed by a dry cloth.
- Do not use abrasive cleaners, solvents, or waxes, as these can damage the finish.
- Keep the perforated steel mesh grille free of dust and debris. A soft brush or vacuum cleaner with a brush attachment can be used carefully.
4.2 Storage and Transport
- When not in use, store the TFM450 in a cool, dry place, away from direct sunlight and extreme temperatures.
- For transport, it is highly recommended to use the original packaging or a custom-fitted flight case to protect the unit from physical damage.
- Ensure all cables are disconnected and properly coiled before moving the monitor.
5. Troubleshooting
If you experience issues with your TFM450, consult the following table for common problems and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output | Incorrect cabling; Amplifier off or muted; Crossover settings incorrect; Damaged cable. | Check all Speakon connections; Ensure amplifiers are powered on and unmuted; Verify crossover settings for bi-amplification; Test with different cables. |
| Distorted sound | Amplifier clipping; Input signal too high; Damaged driver. | Reduce amplifier gain or input level; Check for signs of amplifier clipping (indicator lights); If distortion persists at low levels, contact service. |
| Intermittent sound | Loose cable connection; Faulty cable; Intermittent signal from source. | Secure all connections; Replace cables one by one to identify faulty one; Check source equipment. |
| One driver (LF or HF) not working | Incorrect bi-amp connection; Faulty amplifier channel; Damaged driver. | Verify LF/HF Speakon connections; Test amplifier channels with another speaker; If driver is suspected, contact qualified service personnel. |
If the problem persists after attempting these solutions, please contact Turbosound customer support or a qualified service technician.
6. Specifications
Detailed technical specifications for the Turbosound TFM450 Floor Monitor.
| Parameter | Value |
|---|---|
| Frequency Response | 90Hz - 16kHz (±4dB) |
| Dispersion (-6dB) | 40° Horizontal x 60° Vertical |
| Nominal Impedance (LF) | 8 ohms |
| Nominal Impedance (HF) | 8 ohms |
| Power Handling (LF) | 400 watts RMS, 800 watts Program, 1000 watts Peak |
| Power Handling (HF) | 100 watts RMS, 200 watts Program, 250 watts Peak |
| Sensitivity (LF, 1W/1m) | 99dB |
| Sensitivity (HF, 1W/1m) | 103dB |
| Maximum SPL (Peak) | 136dB |
| Dimensions (H x W x D) | 401mm H x 711mm W x 475mm D (15.8" H x 28" W x 18.7" D) |
| Weight | 32 kg (70.4 lbs) |
| Enclosure Material | Birch Plywood |
| Finish | Black semi-matt textured paint |
| Connectors | Recessed Speakon connectors |
| Power Source | Corded Electric (for connected amplifiers) |
7. Warranty and Support
7.1 Warranty Information
Turbosound products are manufactured to the highest quality standards. For detailed warranty terms and conditions, please refer to the warranty card included with your product or visit the official Turbosound website. Keep your proof of purchase for any warranty claims.
7.2 Customer Support
If you have any questions, require technical assistance, or need to arrange for service, please contact Turbosound customer support. Contact information can typically be found on the official Turbosound website or through your authorized dealer.
When contacting support, please have your product model (TFM450) and serial number (if applicable) ready to expedite the process.
