Table of Contents
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Table of Contents
Related Manuals for Inter-m EQ-2131
Summary of Contents for Inter-m EQ-2131
- Page 1 0 21 OC03 OC03 B370031 EQ-2131/2231/2215 Graphic Equalizer...
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Page 2: Table Of Contents
...4 Accessories...4 Front Panel ...5 Rear Panel ...7 Applications Rack System Installation (EQ-2131) MONO ...9 Rack System Installation (EQ-2231/2215) DUAL CHANNEL or STEREO ...10 Music Stage Installation (EQ-2131) MONO ...11 Music Stage Installation (EQ-2231/2215) STEREO 3-WAY...12 Connections ...13 Operation Treating Feedback ...15 System Tuning...16... -
Page 3: Warning
A personal welcome to you from the management and employees of Inter-M All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products. -
Page 4: Unpacking
8. The product is ready for operation. Slowly increase the LEVEL slider to the desired operating level without exceeding “0”, then make other adjustments as necessary. 9. Operate the product and the system in a manner which DOES NOT illuminate the PEAK warning indicator. EQ-2131/2231/2215... -
Page 5: Environment
GRAPHIC EQUALIZER S3125A S3125A EQ-2131/2231/2215... -
Page 6: Description
GRAPHIC EQUALIZER Description Description - EQ-2131 This product is a 2U rack space, single channel, 31 band, graphic equalizer. - EQ-2231 This product is a 2U rack space, dual channel, 31 band, graphic equalizer. - EQ-2215 This product is a 2U rack space, dual channel, 15 band, graphic equalizer. -
Page 7: Front Panel
Front Panel Front Panel Q-2131 Q-2231 Q-2215 GRAPHIC EQUALIZER 3 4 5 EQ-2131/2231/2215... - Page 8 The position of this switch determines if the 80Hz High Pass Filter is applied to the signal. The switch will illuminate when the High Pass Filter is engaged. A single HPF switch is provided on the EQ-2131 and two are provided on the EQ-2231 and EQ-2215, one for each of the two channels (Channel A and Channel B).
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Page 9: Rear Panel
Rear Panel Rear Panel EQ-2131 EQ-2231 EQ-2215 OUTPUTS INPUTS BALANCED BALANCED 4dBu UNITY GAIN 10K , 4dBu UNITY GAIN BALANCED 4dBu UNITY GAIN OUTPUTS INPUTS BALANCED BALANCED BALANCED BALANCED 4dBu UNITY GAIN 4dBu UNITY GAIN 10K , 4dBu 10K , 4dBu... - Page 10 One balanced female 1/4” TRS output connector is provided for each channel. This connector is wired in Parallel to the corresponding balanced XLR output connector. 5. AC INPUT Connect this product to an appropriate AC power source using the supplied Universal AC Power Cord. EQ-2131/2231/2215...
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Page 11: Applications
Applications Applications RACK SYSTEM INSTALLATION (EQ-2131)MONO INSERT FUSE 0.4A/250V OUTPUT Input CH 2 CH 1 Input , 60Hz OUTPUT 38V(4) 54V(8) 70V(13.6) Input BALANCED INPUT 1V/10K INPUT(ADJ) 12dB 0dB FUSE : 12A / 250V SWED 1 (2000W) SWED 2 (2000W) -
Page 12: Rack System Installation (Eq-2231/2215) Dual Channel Or Stereo
38V(4 ) 54V(8 ) 70V(13.6 ) Input INPUT(ADJ) 12dB 0dB FUSE : 12A / 250V SWED 1 (2000W) SWED 2 (2000W) SWED 3 (2000W) EQ-2131/2231/2215 REC OUTPUT PRIORITY INPUT MUTE INSERT LINE LINE LINE LINE LINE OUTPUT CH 12 CH 11... -
Page 13: Music Stage Installation (Eq-2131) Mono
MUSIC STAGE INSTALLATION (EQ-2131) MONO Audio Mixer SPEAKER HIGH OUTPUTS BALANCED 4dBu UNITY GAIN BALANCED 4dBu UNITY GAIN HIGH INPUT 2 HIGH GROUND STEREO / MONO FUSE FRAME FLOAT HIGH MONO SUBWOOFER 0.2A / 250V OUTPUT INPUT PUSH TO RESET... -
Page 14: Music Stage Installation (Eq-2231/2215) Stereo 3-Way
GRAPHIC EQUALIZER MUSIC STAGE INSTALLATION (EQ-2231/2215) STEREO 3-WAY CH2, HIGH CH2, LOW CH1, HIGH CH1, LOW MONO SUBWOOFER EQ-2131/2231/2215 Audio Mixer OUTPUTS BALANCED BALANCED 4dBu UNITY GAIN 4dBu UNITY GAIN BALANCED BALANCED 4dBu UNITY GAIN 4dBu UNITY GAIN CHANNEL B... -
Page 15: Connections
Connections Connections Inter-M products are wired to reflect accepted wiring practices used throughout the world. Balanced XLR connectors are wired as described: Pin #1 Shield Pin #2 Positive Pine #3 Negative Balanced 1/4" TRS connectors are wired as described: Tip is Positive... - Page 16 Connect the OUTPUTS using either the balanced XLR or the balanced 1/4” TRS connector to an appropriate device. Common and standard rules of interconnect apply, including the ability to split output signals. Knowledge of the input requirements of the receiving device is required and should be Balanced +4dBu and at least 10kOhms. EQ-2131/2231/2215...
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Page 17: Operation
-2dB or -3dB position. 5. Document your settings using the “Notes” page at the back of this manual. This will be useful in the vent that the settings are inadvertently altered. GRAPHIC EQUALIZER EQ-2131/2231/2215... -
Page 18: System Tuning
3. Make the necessary adjustments remembering two important items. a. Proper equalization is achieved with minimal equalization. b. Better to cut than to boost. Cut excessive frequencies rather than boost weak frequencies. 4. Document your settings. EQ-2131/2231/2215... -
Page 19: Troubleshooting
Probable cause#2: Too much boost is occurring due the position of the sliders (above “0”). Probable cause#3: Incorrect or overdriven input signal being received from another product. Be sure that this product is only receiving one input signal per channel, XLR or 1/4”, not both. GRAPHIC EQUALIZER EQ-2131/2231/2215... -
Page 20: Block Diagrams
GRAPHIC EQUALIZER Block Diagrams Block Diagrams EQ-2131 EQ-2131/2231/2215... -
Page 21: Eq-2231
GRAPHIC EQUALIZER EQ-2231 EQ-2131/2231/2215... -
Page 22: Eq-2215
GRAPHIC EQUALIZER EQ-2215 EQ-2131/2231/2215... -
Page 23: Specifications
Total Harmonic Distortion ...Less than 0.01% Frequency Response...20Hz~20kHz (±1dB) Signal to Noise Ratio...Better than 85dB Equalizer Level ...±6dB Equalizer Frequency EQ-2131/2231...1/3 Octave ISO (International-Standard-Organization) centers EQ-2215 ...2/3 Octave ISO centers High Pass Filter...80Hz (18dB/oct) Cut Only Mode...-12dB or -24dB±3dB - GENERAL Power Source ... -
Page 24: Service
To obtain the specific warranty information for your product as well as the location of a service station, please contact Inter-M Ltd. in Korea, Inter-M Americas, Inc. in the United States of America, or the local distributor or dealer where you purchased this product. - Page 25 Inter-M, Ltd. (Korea) began operations in 1983. Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world. Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OEM).