1. Introduction
The Sony ECM-AC2 Calibration Microphone is designed to optimize the audio performance of your home theater receiver. This factory replacement microphone ensures accurate speaker level and distance measurements, allowing your receiver to automatically adjust settings for an immersive and balanced sound experience. It is specifically matched to compatible Sony receivers to achieve perfect speaker levels.
2. Product Overview
2.1 Key Features
- Exact Sony factory replacement calibration microphone.
- Part Number: 154283011.
- Matched to Sony receivers for precise speaker level calibration.
- Ensures optimal audio balance for home theater systems.
2.2 What's in the Box
- Sony ECM-AC2 Calibration Microphone
- Warranty Card
2.3 Product Images
3. Setup
- Connect the Microphone: Locate the dedicated calibration microphone input on your Sony receiver. This is typically a 3.5mm jack, often labeled 'CAL MIC' or similar. Insert the microphone's 3.5mm jack firmly into this port.
- Position the Microphone: Place the microphone at your primary listening position. For optimal results, position it at ear level, facing forward, and ensure it is unobstructed by furniture or other objects. You may use a tripod or stack books to achieve the correct height.
- Prepare the Room: For the most accurate calibration, ensure the room is as quiet as possible. Close windows and doors, and turn off any noisy appliances (e.g., air conditioning, fans).
4. Operating Instructions
Once the microphone is connected and positioned, follow these steps to initiate the auto-calibration process on your Sony receiver:
- Access the Receiver Menu: Using your receiver's remote control, press the 'HOME' or 'AMP MENU' button to access the main menu.
- Navigate to Calibration: Look for an option such as 'Auto Calibration', 'Speaker Setup', 'Sound Optimization', or 'Auto Cal'. Use the navigation buttons on your remote to select this option.
- Start Calibration: Follow the on-screen prompts to start the calibration process. The receiver will emit a series of test tones from each speaker, which the ECM-AC2 microphone will detect.
- Allow Completion: Remain quiet and avoid moving during the calibration process. The system will automatically measure speaker levels, distances, and frequency responses. This process may take several minutes.
- Save Settings: Once the calibration is complete, the receiver will display the optimized settings. Confirm and save these settings as prompted.
Your home theater system is now calibrated for your listening environment.
5. Maintenance
- Storage: Store the microphone in a clean, dry place when not in use to prevent dust accumulation and physical damage.
- Cleaning: Gently wipe the microphone with a soft, dry cloth if it becomes dusty. Do not use liquid cleaners or abrasive materials.
- Handle with Care: Avoid dropping the microphone or subjecting it to strong impacts, as this can affect its accuracy and functionality.
6. Troubleshooting
- Calibration Fails or Errors:
- Ensure the microphone is securely plugged into the correct port on the receiver.
- Verify the microphone is positioned correctly and unobstructed.
- Check your receiver's manual for specific error codes or troubleshooting steps related to auto-calibration.
- Inaccurate Sound After Calibration:
- Re-run the auto-calibration process, paying close attention to microphone placement and room conditions.
- Manually check speaker wiring and connections to ensure they are secure and correctly polarized.
- Consider if significant changes in room acoustics (e.g., new furniture, open doors) occurred after calibration.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | ECM-AC2 |
| Item Model Number | 154267011 |
| Item Weight | 9.07 g (0.32 ounces) |
| Microphone Form Factor | Microphone only |
| Power Source | Corded Electric |
| Material | Metal |
| Signal-to-Noise Ratio | 100 dB |
| Number of Channels | 1 |
| Connectivity Technology | XLR (Note: The physical connector is a 3.5mm jack, as depicted in product images, for compatibility with home theater receivers.) |
| Connector Type | 3.5mm Jack |
| Special Feature | XLR (referring to microphone type/quality) |
| Compatible Devices | Speaker, Sony Home Theater Receivers |
| Color | Black |
| Polar Pattern | Omnidirectional |
8. Compatible Sony Receivers
The Sony ECM-AC2 Calibration Microphone is compatible with a wide range of Sony home theater receivers. Below is a list of models for which this microphone serves as a factory replacement:
- BDV-IS1000; BDV-IT1000
- DAV-DX155; DAV-DZ1000; DAV-DZ110; DAV-DZ111; DAV-DZ118K; DAV-DZ119; DAV-DZ120; DAV-DZ120K; DAV-DZ150K; DAV-DZ151KB; DAV-DZ210D; DAV-DZ230; DAV-DZ231; DAV-DZ250M; DAV-DZ260; DAV-DZ266K; DAV-DZ270; DAV-DZ275M; DAV-DZ280; DAV-DZ360WA; DAV-DZ361W; DAV-DZ370; DAV-DZ3K; DAV-DZ410; DAV-DZ520K; DAV-DZ530; DAV-DZ531W; DAV-DZ555M; DAV-DZ556KB; DAV-DZ560; DAV-DZ570; DAV-DZ570M; DAV-DZ620K; DAV-DZ630; DAV-DZ660; DAV-DZ665K; DAV-DZ670M; DAV-DZ680; DAV-DZ720; DAV-DZ750K; DAV-DZ777; DAV-DZ77T; DAV-DZ7T; DAV-DZ810W; DAV-DZ820KW; DAV-DZ830W; DAV-DZ850KW; DAV-DZ850M; DAV-DZ860W; DAV-DZ870M; DAV-DZ870W; DAV-DZ970WA
- DAV-F200; DAV-F500; DAV-FX900KW; DAV-FXG99K; DAV-FXG9K
- DAV-HDX265; DAV-HDX275; DAV-IS10; DAV-IS50; DAV-X10
- HT-DDW1500; HT-DDW1600; HT-DDW5000; HT-DDW680; HT-DDW700; HT-DDW7000; HT-DDW780; HT-DDW880; HT-DDW885; HT-DDW890; HT-DDWG800; HT-IS100
- HTP-36DW; HTP-36SS; HTP-78DW; HTP-78SS
- HT-SF1000; HT-SF1100; HT-SF1200; HT-SF1300; HT-SF2000; HT-SF2300; HT-SS1000; HT-SS1000P; HT-SS1100; HT-SS1200; HT-SS1300; HT-SS2300
- STR-DA1200ES; STR-DA3200ES; STR-DA3300ES; STR-DA3400ES; STR-DE400; STR-DG500; STR-DG520; STR-DG600; STR-DG700; STR-DG710; STR-DG720; STR-DG800; STR-DG820; STR-DG910
9. Warranty and Support
9.1 Warranty Information
This Sony ECM-AC2 Calibration Microphone comes with a 90-day warranty on parts and labor. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For further assistance, technical support, or warranty inquiries, please contact Sony customer support. Refer to the warranty card included in the packaging for specific contact details or visit the official Sony support website.