1. Introduction
Thank you for choosing the AIYIMA 5.25 Inch Full Range Speaker. This manual provides essential information for the proper setup, operation, and maintenance of your speaker to ensure optimal audio performance and longevity. This speaker is designed for audiophile applications in home theater and Hifi bookshelf systems.
2. Product Overview
The AIYIMA 5.25 Inch Full Range Speaker features an aluminum cone and is designed to deliver Hi-Res sound. It is available in 4 Ohm and 8 Ohm impedance options, suitable for various audio setups.
Figure 1: Front-side view of the AIYIMA 5.25 Inch Full Range Speaker.
Figure 2: Back-side view of the speaker, highlighting the connection terminals.
3. Setup and Installation
3.1 Unpacking
Carefully remove the speaker from its packaging. Inspect for any signs of damage. The package typically contains one speaker unit.
3.2 Dimensions and Mounting
Ensure your enclosure or mounting location accommodates the speaker's dimensions. The speaker is round, not square.
- Speaker Outer Diameter: 152mm
- Speaker Height: 89mm
- Screw Diagonal: 140mm
- Top Diameter: 98mm
Figure 3: Speaker dimensions including height (89mm) and top diameter (98mm).
Figure 4: Speaker dimensions including outer diameter (152mm) and screw diagonal (140mm).
3.3 Wiring Connections
Connect the speaker to your amplifier using appropriate audio cables. The speaker features coaxial input/output. Ensure correct polarity (+ to + and - to -) for optimal sound reproduction. The speaker is available in 4 Ohm and 8 Ohm impedance options; match the impedance to your amplifier's capabilities.
Figure 5: Rear view of the speaker showing the spring-loaded terminals and impedance markings (4Ω, 8Ω).
4. Operating Instructions
4.1 Powering On
Once connected to a suitable amplifier, power on your amplifier and audio source. Start with a low volume level and gradually increase it to your desired listening level.
4.2 Audio Performance
This speaker is designed for full-range audio reproduction with a frequency response of 73Hz-20Khz and a sensitivity of 91dB. It supports Hi-Res Sound Mode, providing detailed and accurate sound.
Figure 6: Performance graphs illustrating the Sound Pressure Level (SPL) versus Frequency and Impedance versus Frequency response of the speaker.
5. Maintenance
To ensure the longevity and performance of your AIYIMA speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to gently wipe the speaker cabinet. Avoid using harsh chemicals or abrasive cleaners.
- Environment: Keep the speaker in a dry environment, away from direct sunlight, extreme temperatures, and high humidity.
- Protection: Avoid placing heavy objects on the speaker or exposing it to impacts. The cabinet is made of metal, providing durability.
6. Troubleshooting
- No Sound:
- Check all cable connections between the speaker, amplifier, and audio source.
- Ensure the amplifier is powered on and the volume is not set to minimum or muted.
- Verify the audio source is playing correctly.
- Distorted Sound:
- Reduce the volume level on your amplifier and audio source.
- Ensure the speaker's impedance (4 Ohm or 8 Ohm) matches your amplifier's output requirements.
- Check for any loose connections or damaged cables.
- Speaker Buzzing/Humming:
- Ensure all audio cables are securely connected and not damaged.
- Try moving the speaker or amplifier away from other electronic devices that might cause interference.
- Check the power supply of your amplifier for any issues.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Aiyima |
| Category | Speakers |
| Speaker Type | Combination |
| Use | Home |
| Rated Power | 25W |
| Maximum Power | 50W |
| Input Power (W) | 25-49 W |
| Impedance | 4 Ohm, 8 Ohm |
| Frequency Response | 73Hz-20Khz |
| Sensitivity | 91db±2db |
| Voice Coil | 25mm |
| Equivalent Volume | 14L |
| Speaker Net Weight | 1.45KG |
| Speaker Outer Diameter | 152mm |
| Speaker Height | 89mm |
| Screw Diagonal | 140mm |
| Input/Output | Coaxial |
| Sound Mode | Hi-Res Sound Mode |
| Material | Metal |
| Cabinet Material | Metal |
| Audio Crossover | Full-Range |
| Channels | 1 |
| Communication | Audio Line |
| Recommended Application | Full frequency audiophile |
| Package Length | 10 cm |
| Package Width | 8 cm |
| Package Height | 8 cm |
| Package Weight | 1.7 kg |
8. User Tips
- Enclosure Design: For optimal performance, consider designing or selecting an enclosure with an equivalent volume of approximately 14 liters, as recommended for this speaker.
- Impedance Matching: Always ensure the speaker's impedance (4 Ohm or 8 Ohm) is compatible with your amplifier's output to prevent damage and achieve the best sound quality.
- Speaker Placement: Experiment with speaker placement within your listening environment to find the best soundstage and bass response for your room.
9. Warranty and Support
The AIYIMA 5.25 Inch Full Range Speaker is manufactured by Aiyima. For any technical support, warranty claims, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
