APF-15TU - Loudspeaker ATLAS - Free user manual and instructions
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| Brand | Atlas |
| Model | APF-15TU |
| Product Type | Passive loudspeaker |
| Speaker Type | Two-way, 15-inch woofer with compression tweeter |
| Frequency Response | 50 Hz - 20 kHz |
| Impedance | 8 ohms |
| Power Handling (RMS) | 250 W |
| Peak Power Handling | 500 W |
| Sensitivity | 95 dB (1W/1m) |
| Woofer | 15" (381 mm) treated paper cone |
| Tweeter | 1" (25 mm) titanium diaphragm compression driver |
| Enclosure Material | 18 mm MDF |
| Finish | Durable black textured coating |
| Input Connectors | Binding posts and SpeakON connector |
| Mounting | Threaded inserts for wall bracket |
| Grille | Powder-coated steel grille |
| Dimensions (H x W x D) | 710 x 450 x 380 mm |
| Weight | 19.5 kg |
| Recommended Amplifier Power | 250 - 500 W RMS into 8 ohms |
| Crossover Frequency | 1.8 kHz |
| Dispersion (Hor x Vert) | 90° x 60° |
| Cleaning and Maintenance | Wipe with soft, dry cloth; do not use solvents |
| Safety Notice | Secure mounting required to prevent injury |
| Spare Parts | Replacement drivers and crossovers via distribution |
Frequently Asked Questions - APF-15TU ATLAS
How do I connect the APF-15TU speaker to my amplifier?
Connect the speaker to your amplifier using either the binding posts or the SpeakON connector. Ensure the amplifier is switched off during connection. Use a sufficiently thick speaker cable (at least 2.5 mm²) and maintain correct polarity. The nominal impedance is 8 ohms, making it compatible with most amplifiers.
What amplifier power do I need for this speaker?
A recommended amplifier power rating is between 250 and 500 watts RMS into 8 ohms. Using an amplifier with power within this range allows the speaker to reach its full output while avoiding damage from under-powering (which can cause clipping).
Can I use the APF-15TU outdoors?
The speaker is not fully weatherproof. While it has a coated enclosure and grille, it should be sheltered from direct rain and extreme moisture. For outdoor permanent installation, use a weatherproof cover or enclosure.
What is the frequency response and is a subwoofer needed?
The APF-15TU has a frequency response of 50 Hz – 20 kHz. It provides strong bass for most live sound applications. For deep sub-bass below 50 Hz, adding a dedicated subwoofer (e.g. Atlas PS-18) is recommended.
How should I position the speakers for best sound coverage?
Place the speakers at ear level, angled toward the audience. For a stereo pair, form an equilateral triangle with the listening position. Avoid corners or walls to reduce bass boom, and ensure the high-frequency drivers are unobstructed.
How do I clean and maintain the speaker?
Use a soft, dry cloth to remove dust from the cabinet and grille. Do not use water, abrasive cleaners, or solvents. Periodically check the connections and mounting hardware to ensure they remain tight.
Can I use this speaker with a home theater receiver?
Yes, if the receiver can deliver at least 250W per channel into 8 ohms. Many home receivers have lower power output, but the speaker will still work at lower volume levels. Be cautious not to overdrive the receiver into clipping.
Does the speaker have a built-in crossover?
Yes, a passive crossover at 1.8 kHz is built into the speaker, dividing the audio signal between the woofer and tweeter. No external crossover is required for normal operation.
How can I mount the APF-15TU on a wall?
The speaker is equipped with threaded inserts for a wall-mount bracket. Use the optional Atlas U-bracket or similar low-profile bracket rated for at least 20 kg. Ensure the wall anchors are suitable for the wall type and can support the speaker weight.
What should I do if the speaker produces no sound?
First, check all connections from the amplifier to the speaker. Verify that the amplifier is on and not in mute. Test the speaker with a known working cable and channel. If there is still no sound, the driver may be faulty; contact an authorized Atlas service center for repair or replacement parts.
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USER MANUAL APF-15TU ATLAS
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Product information
Brand : ATLAS
Model : APF-15TU
Category : Loudspeaker