Important Information
Before operating this unit, please read these instructions completely to ensure proper use and to maximize the performance of your Technics SH-E66 Stereo Graphic Equalizer.
Notes:
- Specifications may differ according to the area code.
- The "EB" area code, for example, indicates United Kingdom specifications.
- The "EB" indication is shown on the packing case and serial number tag.
Image Description: The image displays the front cover of the operating instructions manual for the Technics SH-E66 Stereo Graphic Equalizer. The top of the cover features the "Technics" logo, followed by "STEREO GRAPHIC EQUALIZER" and the model number "SH-E66". Below this, the text "OPERATING INSTRUCTIONS" is visible. The main part of the cover shows a clear photograph of the Technics SH-E66 equalizer unit, featuring its front panel with various controls, sliders, and a display. The unit appears to be in a dark, metallic finish. At the bottom left, the letters "EB GN" are present, and at the bottom right, notes regarding specifications and area codes are partially visible, along with a directive to read the instructions completely.
1. Setup and Connections
Proper setup is crucial for optimal performance. Ensure all connections are secure before powering on the unit.
1.1 Placement
- Place the equalizer on a stable, flat surface away from direct sunlight, heat sources, and excessive dust or moisture.
- Allow adequate ventilation around the unit to prevent overheating.
- Avoid placing the unit near strong magnetic fields, which can interfere with audio quality.
1.2 Audio Connections
Connect the SH-E66 between your audio source (e.g., amplifier, receiver) and your recording device or main amplifier.
- Connect the LINE OUT jacks of your amplifier/receiver to the LINE IN jacks on the SH-E66 using RCA audio cables.
- Connect the LINE OUT jacks of the SH-E66 to the LINE IN (or TAPE IN/REC IN) jacks of your amplifier/receiver.
- For recording purposes, connect the REC OUT jacks of your amplifier/receiver to the REC IN jacks on the SH-E66.
- Connect the REC OUT jacks of the SH-E66 to the REC IN jacks of your recording device (e.g., tape deck).
1.3 Power Connection
After all audio connections are made, plug the AC power cord of the SH-E66 into a suitable wall outlet.
2. Operating the Equalizer
The Technics SH-E66 allows you to precisely adjust the frequency response of your audio system.
2.1 Basic Operation
- Press the POWER button to turn on the unit.
- Select the desired input source on your amplifier/receiver.
- Ensure the EQ ON/OFF button on the SH-E66 is set to ON to engage the equalization effect.
- Adjust the individual frequency sliders to shape the sound. Each slider corresponds to a specific frequency band.
- Use the LEVEL control (if present) to adjust the overall output level of the equalizer.
2.2 Frequency Adjustment
The SH-E66 typically features multiple frequency bands (e.g., 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.3kHz, 16kHz) for precise sound tailoring.
- Lower Frequencies (Bass): Adjust sliders for 63Hz, 160Hz to enhance or reduce bass response.
- Mid-range Frequencies (Vocals/Instruments): Adjust sliders for 400Hz, 1kHz, 2.5kHz for clarity and presence.
- Higher Frequencies (Treble): Adjust sliders for 6.3kHz, 16kHz for brightness and detail.
2.3 Recording with Equalization
If connected for recording, the equalization settings will be applied to the audio signal sent to your recording device.
- Ensure the EQ REC or similar button is engaged if you wish to record the equalized sound.
- Monitor the recording levels carefully to avoid distortion.
3. Maintenance and Care
Regular maintenance ensures the longevity and optimal performance of your SH-E66.
- Cleaning: Use a soft, dry cloth to wipe the exterior of the unit. For stubborn dirt, slightly dampen the cloth with water. Avoid using abrasive cleaners, solvents, or alcohol, as these can damage the finish.
- Ventilation: Periodically check that the ventilation openings are not obstructed by dust or debris.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place, protected from dust.
- Handling: Avoid dropping or subjecting the unit to strong impacts. Do not attempt to open the casing, as there are no user-serviceable parts inside.
4. Troubleshooting
If you encounter issues with your Technics SH-E66, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord disconnected; Power outlet faulty; Unit fuse blown. | Check power cord connection; Try a different outlet; Contact service for fuse replacement. |
| No sound or distorted sound | Incorrect audio connections; EQ ON/OFF switch off; Source component issue; Sliders set to extreme. | Verify all RCA connections; Ensure EQ is ON; Check source component; Adjust sliders to a moderate position. |
| Humming or buzzing noise | Ground loop; Loose connections; Interference from other electronics. | Ensure all components are properly grounded; Check and secure all audio cables; Move unit away from other electronic devices. |
| Equalization not affecting sound | EQ ON/OFF switch off; Connected to wrong input/output on amplifier. | Ensure EQ is ON; Review connection diagram and verify connections to amplifier's tape monitor loop or equivalent. |
If the problem persists after trying these solutions, please contact an authorized service center. Do not attempt to repair the unit yourself.
5. Specifications
The following are general specifications for the Technics SH-E66 Stereo Graphic Equalizer. Note that specifications are subject to change without notice and may vary by region.
- Frequency Bands: Typically 7 or 12 bands per channel (e.g., 63Hz, 160Hz, 400Hz, 1kHz, 2.5kHz, 6.3kHz, 16kHz)
- Control Range: ±10dB or ±12dB per band
- Frequency Response: 5Hz - 50kHz (+0, -3dB)
- Total Harmonic Distortion (THD): Less than 0.005% (at 1kHz, rated output)
- Signal-to-Noise Ratio (SNR): Greater than 100dB (IHF A-weighted)
- Input Sensitivity: 1V (rated input)
- Output Level: 1V (rated output)
- Power Supply: AC 120V/220V/240V, 50/60Hz (depending on region)
- Power Consumption: Approx. 10W
- Dimensions (W x H x D): Approx. 430 x 86 x 280 mm (16-15/16 x 3-3/8 x 11 inches)
- Weight: Approx. 2.9 kg (6.4 lbs)
For precise specifications for your specific unit, please refer to the serial number tag or original packaging.
6. Warranty Information
This product is covered by a limited warranty provided by Technics. The warranty period and terms may vary depending on your country or region of purchase.
- Please retain your original purchase receipt as proof of purchase for warranty claims.
- The warranty typically covers manufacturing defects and malfunctions under normal use.
- It generally does not cover damage caused by misuse, accidents, unauthorized modifications, or natural disasters.
- For detailed warranty terms and conditions, please refer to the warranty card included with your product or visit the official Technics website for your region.
7. Customer Support
For further assistance, technical support, or service inquiries regarding your Technics SH-E66 Stereo Graphic Equalizer, please contact Technics customer support.
- Online Support: Visit the official Technics website for FAQs, support articles, and contact forms.
- Telephone Support: Refer to the contact information provided in your product documentation or on the regional Technics website.
- Service Centers: For repairs, locate an authorized Technics service center in your area.
When contacting support, please have your product model number (SH-E66) and serial number ready.
