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-1 V, Hz
-2 HZ
T: W
BROUGHT TO YOUBY THE GROOVY FOLKS IN WOODINVILLE, WA, USA
MANUFACTURED IN CHINA • FABRIQUE AU CHINE
"TAPCO" AND "MACKIE" ARE REGISTERED TRADEMARKS OF
LOUD TECHNOLOGIESINC. • COPYRIGHT ©2003
WWW.TAPCOGEAR.COM
AC 100 20 60
AC200 40V, 50
RATED INPU 12.5
20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1k 1.25k 1.6k 2k 2.5k 3.15k 4k 5k 6.3k 8k 10k 12.5k 16k 20k LEVEL
+12 +17
HI-PASS LOW-PASS BYPASS RANGE
1 01 0
-12
-
DUAL 31 BAND GRAPHIC EQUALIZER
40Hz 16kHz CLIP 6d
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8. Heat — This product should be situated away from heat sources such as radiators, or other devices which produce CAUTION AVIS heat. RISK OF ELECTRIC SHOCK 9. Power Sources — This product should be connected to a DO NOT OPEN power supply only of the type described in these operation RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR instructions or as marked on this product. 10. Power Cord Protection — Power supply cords should be routed CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REM
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18. Exposure to extremely high noise levels may cause permanent According to OSHA, any exposure in excess of these permissible limits hearing loss. Individuals vary considerably in susceptibility to could result in some hearing loss. To ensure against potentially dangerous noise-induced hearing loss, but nearly everyone will lose some exposure to high sound pressure levels, it is recommended that all persons hearing if exposed to suffi ciently intense noise for a period of exposed to equipme
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Getting Started The following steps will help you set up your T231, and get the levels just right. SETTINGS: SET THE CONTROLS: 1. Be sure the T231’s POWER switch is off. 1. Make sure your signal source is turned up and delivering signal to the T231. The signal should 2. Set all the sliders to their center positions and all the pass through the T231 unaffected because the switches out. CHAN 1 and 2 BYPASS buttons are out and the signal processing circuitry is bypassed. CONNECTIONS: 2. P
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Contents Safety Instructions................................................................2 Getting Started....................................................................4 Introduction..........................................................................6 Hookup Diagrams................................................................8 Typical Hookup: In-line with Main Outputs.....................8 Alternate Hookup: Individual Channel or Main Inserts ..8 T231 Features ................
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Introduction ® Thank you for choosing a TAPCO Tweeq™ 31-band graphic ® equalizer by Mackie . The TAPCO product line hails back to the days of TAPCO Corporation, Greg Mackie’s fi rst company. TAPCO revolutionized the audio industry back in 1969 with the very fi rst 6- channel mixer specifi cally designed for keyboards and rock ‘N’ roll PA. In essence, TAPCO redefi ned the price performance ratio and made high-quality professional audio mixers accessible to virtually anyone. Today, TAPCO is rebor
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However, often times a perfectly fl at frequency response is not what you want in a live sound application. For example, if the low-frequency response of the loudspeakers only extends to 50 Hz, there is no need to amplify the frequencies in the lowest octave of the audio frequency range, 20 Hz to 40 Hz. You can use the T231 to roll off these frequencies, which reduces the drain on the amplifi er and provides more power to amplify the higher, more useful frequencies. You might want to boost t
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AC 100 120V 60 AC 200 240V 50 Z A PU 12 5 BROUGHT TO YOU BY THE GROOVY FOLKS IN WOODINVILLE, WA, USA MANUFACTURED IN CHINA • FABRIQUE AU CHINE "TAPCO" AND "MACKIE" ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©2003 WWW.TAPCOGEAR.COM - , Hz - , H R TED IN T: . W BROUGHT TO YOU BY THE GROOVY FOLKS IN WOODINVILLE, WA, USA MANUFACTURED IN CHINA • FABRIQUE AU CHINE "TAPCO" AND "MACKIE" ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©2003 WWW.TAPCOGEAR.COM AC 100-
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T231 Features 2 3 4 5 7 20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1k 1.25k 1.6k 2k 2.5k 3.15k 4k 5k 6.3k 8k 10k 12.5k 16k 20k LEVEL +12 +17 - - HI PASS LOW PASS BYPASS RANGE 0 1 1 -12 DUAL 31- BAND GRAPHIC EQUALIZER 40Hz 16kHz CLIP 6dB 12dB T•231 B BY Y 1 HI-PASS LOW-PASS BYPASS RANGE ON +12 +17 8 OFF 0 2 2 POWER -12 40Hz 16kHz CLIP 6dB 12dB 20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1k 1.25k 1.6k 2k 2.5k 3.15k 4k 5k 6.3k 8k 10k 12.5k 16k 20k LEVEL 6 FR
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AC 100-120V, 60Hz AC 200-240V, 50HZ RA ED INPU : 12.5W BROUGHT TO YOU BY THE GROOVY FOLKS IN WOODINVILLE, WA, USA MANUFACTURED IN CHINA • FABRIQUE AU CHINE "TAPCO" AND "MACKIE" ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©2003 WWW.TAPCOGEAR.COM T T 12 13 SERIAL / DATE CODE CHANNEL 1 OUT IN RISK OF FIRE WARNING REPLACE FUSE AS MARKED NO OUTDOOR USE OUT IN OUT IN 9 10 UNBAL BAL/UNBAL BAL BAL OUT IN CHANNEL 2 OUT IN OUT IN RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING: TO REDUCE T
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GENERAL PRECAUTIONS AND CONSIDERATIONS Rack Mounting The T231 is designed to be mounted in a standard rack. It requires two rack spaces (2U = 3.5”). It also requires 7.5” depth inside the rack, not counting the rear connectors. When designing your rack, put the heavier items at the bottom and the lighter items toward the top. Secure the front panel of the T231 to the front of the rack using four screws with soft washers to prevent scratching the panel. Thermal Considerations Avoid mount
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Appendix A: Service Information No Sound Warranty Service Is the signal source turned up? Make sure the Details concerning Warranty Service are spelled signal level from the mixing console (or whatever out in the Warranty section on page 19. device immediately precedes the T231) is high If you think your T231 has a problem, please do enough to produce sound through the system. everything you can to confi rm it before calling for Are you using the T231 with an insert plug in an servi
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Repair Service for TAPCO products is available from one 5. Include a legible note stating your name, shipping of our authorized domestic service centers or at our address (no P.O. boxes), daytime phone number, factory, located in sunny Woodinville, Washington. RA number, and a detailed description of the Service for TAPCO products living outside the United problem, including how we can duplicate it. States can be obtained through local dealers or 6. Write the RA number in BIG PRINT on top o
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Appendix B: Connections XLR Connectors 1/4" TS Phone Plugs and Jacks The inputs and outputs use 3-pin male and female “TS” stands for Tip-Sleeve, the two connection XLR connectors. They are wired as follows, according points available on a mono 1/4" phone jack or plug. to standards specifi ed by the AES (Audio Engineering They are used for unbalanced signals. Society). SLEEVE SLEEVE TIP 2 SHIELD HOT TIP TIP COLD 3 1 SLEEVE 1/4" TS Unbalanced Wiring: SHIELD 1 Sleeve = Shield 3 COLD Tip = Hot
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Appendix C: Technical Info T231 Specifi cations Frequency Response Indicators 20 Hz to 20 kHz (+0, –1 dB) HI-PASS LED 20 Hz to 50 kHz (+0, –3 dB) LOW-PASS LED CLIP LED BYPASS LED Audio Input 6 dB/12 dB Range LEDs Type: Active balanced XLR POWER LED and 1/4" jacks Unbalanced RCA jack AC Power and Current Requirements Impedance: 20 kΩ balanced 15 kΩ unbalanced Power Consumption: 12.5 watts Maximum Input Level: +21 dBu balanced and AC Operating Voltages: unbalanced
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T231 Block Diagram This outlines the signal fl ow inside the T231. 16 CLIP 6 CLIP DETECT 6 dB 12 dB 3 4 2 1 GRAPHIC EQ FILTERS CHANNEL 1 LEVEL 2 BALANCED 1 LINE INPUT 2 BALANCED 3 (XLR-F) 1 LINE OUTPUT ON ON 3 (XLR-F) 6 dB 13 OFF OFF 12 BALANCED 12 dB CHANNEL 1 LINE INPUT BYPASS BALANCED (TRS) HI-PASS LOW-PASS CHANNEL 1 7 LINE OUTPUT RANGE FILTER FILTER (TRS) 5 UNBALANCED LINE INPUT UNBALANCED (RCA) LINE OUTPUT (RCA) CLIP 6 CLIP DETECT 6 dB 12 dB 3 4 2 1 GRAPHIC EQ FILTERS CHANNEL 2 LEVEL 2 BAL
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17 AC 100-120V, 60Hz AC 200-240V, 50HZ RATED INPUT: 12.5W BROUGHT TO YOU BY THE GROOVY FOLKS IN WOODINVILLE, WA, USA MANUFACTURED IN CHINA • FABRIQUE AU CHINE "TAPCO" AND "MACKIE" ARE REGISTERED TRADEMARKS OF LOUD TECHNOLOGIES INC. • COPYRIGHT ©2003 WWW.TAPCOGEAR.COM 2 3 7 4 5 20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1k 1.25k 1.6k 2k 2.5k 3.15k 4k 5k 6.3k 8k 10k 12.5k 16k 20k LEVEL +12 +17 HI-PASS LOW-PASS BYPASS RANGE 0 1 1 -12 DUAL 31- BAND GRAPHIC EQUALIZER 40Hz 16kHz CL
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Frequency Chart This chart shows the frequency range covered by various instruments and voices. Typical Frequency of each Instrument and Voice Middle C CDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABCDEFGABC 20 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K1.6K 2K 2.5K 3.1K 4K 5K 6.2K 8K 10K 13K 16K 20K Human Hearing Range VOCAL Soprano Contralto Baritone Bass WOODWIND Piccolo Flute Oboe Clarinet in B flat or A Clarinet in E flat Bass Clarinet Basset Hom English Horn
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TAPCO LIMITED WARRANTY A. LOUD Technologies Inc. warrants all materials, G. LOUD Technologies warrants all repairs performed for 90 days or for the remainder of the warranty workmanship and proper operation of this TAPCO product for a period of one year from the original period. This warranty does not extend to damage date of purchase. If any defects are found in the resulting from improper installation, misuse, neglect or abuse, or to exterior appearance. This materials or workmanship, or
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