IL1115 - Loudspeaker YAMAHA - Free user manual and instructions
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| Brand | Yamaha |
| Model | IL1115 |
| Product Type | Passive 2-way loudspeaker |
| Woofer | 15-inch cone driver |
| Tweeter | 1.4-inch compression driver |
| Frequency Response | 50 Hz - 20 kHz |
| Power Handling (Continuous) | 300 W |
| Power Handling (Peak) | 1200 W |
| Impedance | 8 ohms |
| Sensitivity | 97 dB SPL (1W @ 1m) |
| Dimensions (H x W x D) | 700 x 445 x 380 mm |
| Weight | 21 kg |
| Enclosure Material | Plywood with black carpet finish |
| Grille | Perforated steel with foam backing |
| Connectors | 2 x SpeakON NL4 |
| Directivity | 90° x 60° constant directivity horn |
| Mounting | Pole socket and M8 flying points |
| Application | Live sound and fixed installation |
| Maintenance | Clean grille and cabinet with dry cloth |
| Safety | Ensure secure mounting to avoid accidents |
| Spare Parts | Replacement woofer and tweeter available |
| Repairability | Drivers are replaceable with standard tools |
| General Information | Professional series for reliable performance |
Frequently Asked Questions - IL1115 YAMAHA
How do I connect the Yamaha IL1115 to an amplifier?
Use a SpeakON NL4 cable to connect the amplifier output to one of the input connectors on the speaker. Ensure the amplifier is turned off during connections to avoid damage.
What is the recommended amplifier power for the IL1115?
A recommended amplifier delivering 300 to 600 watts per channel at 8 ohms is ideal. This matches the continuous and peak power handling of the speaker.
Can I use the IL1115 as a floor monitor?
Yes, the trapezoidal cabinet design allows the IL1115 to be placed on its side as a floor monitor. The monitor angle is optimised for on-stage use.
How do I set up the speaker on a stand?
Insert a 35 mm pole into the pole socket on the bottom of the cabinet. Ensure the stand is stable and the speaker is secured before raising it to avoid tipping.
What type of speaker cable should I use?
Use a 2-core loudspeaker cable terminated with SpeakON connectors. The cable gauge should be at least 1.5 mm² (16 AWG) for runs up to 15 metres.
How do I clean the loudspeaker?
Wipe the cabinet and grille with a dry cloth. If necessary, remove the grille and clean the drivers with a soft brush. Avoid using liquids or compressed air that may damage components.
What safety precautions should I follow when using the IL1115?
Always ensure the speaker is securely mounted or placed on a stable surface. Keep it away from moisture and heat sources. Check flying points and rigging hardware before suspension.
Is the IL1115 suitable for outdoor events?
The cabinet is constructed from plywood and finished with a durable carpet, but it is not fully weatherproof. Protect it from rain and extreme humidity with a cover or use a weatherproof enclosure.
How do I replace the woofer or tweeter?
Remove the grille and unscrew the defective driver. Disconnect the internal wires and install the replacement driver, then reattach the grille. Use only genuine Yamaha parts for optimal performance.
What are the key technical specifications of the IL1115?
The IL1115 is a 2-way passive loudspeaker with a 15-inch woofer and 1.4-inch compression driver. It offers a frequency response of 50 Hz - 20 kHz, an impedance of 8 ohms, and a sensitivity of 97 dB.
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USER MANUAL IL1115 YAMAHA
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Product information
Brand : YAMAHA
Model : IL1115
Category : Loudspeaker