Tapco Tweeq T-231 Owner's Manual
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Tapco Tweeq T-231 Owner's Manual

Dual 31- band graphic equalizer
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20
25
31.5
40
50
63
80
100
125
160
200
250
315
1
T•231
BY
2
2
20
25
31.5
40
50
63
80
100
125
160
200
250
315
SERIAL /DATE CODE
RISK OF FIRE
REPLACE FUSE AS MARKED
T
LIFT
GND
315mA 250V
400
500
630
800
1k
1.25k
1.6k
2k
2.5k
3.15k
4k
5k
6.3k
8k
400
500
630
800
1k
1.25k
1.6k
2k
2.5k
3. 15k
4k
5k
6.3k
8k
WARNING
NO OUTDOOR USE
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
AVIS:
RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR
10k
12.5k
16k
20k
LEVEL
+12
+17
HI-PASS
LOW-PASS
BYPASS
RANGE
1
0
0
-12
40Hz
16kHz
CLIP
6
12
dB
HI-PASS
LOW-PASS
BYPASS
RANGE
+12
+17
2
0
-12
40Hz
16kHz
CLIP
6
dB
12
10k
12.5k
16k
20k
LEVEL
CHANNEL 1
OUT
OUT
OUT
IN
IN
UNBAL
BAL/UNBAL
BAL
CHANNEL 2
OUT
OUT
IN
OUT
IN
UNBAL
BAL/UNBAL
BAL
by
DUAL 31- BAND GRAPHIC EQUALIZER
dB
ON
OFF
POWER
dB
IN
BAL
IN
BAL

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Summary of Contents for Tapco Tweeq T-231

  • Page 1 31.5 T•231 31.5 SERIAL /DATE CODE RISK OF FIRE REPLACE FUSE AS MARKED RISK OF ELECTRIC SHOCK WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE.

  • Page 2: Safety Instructions

    13. Servicing — The user should not attempt to service this product beyond those means described in this operating manual. All other servicing should be referred to the Tapco Service Department. 14. To prevent electric shock, do not use this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure.
  • Page 3 Before you begin, please make sure you read the Safety Instructions on page 2 and Getting Started on page 4. ® Your new TAPCO T•231 is designed to set up quickly and operate easily. We know it’s often seen as a sign of weakness to read a manual, along with asking for directions when lost, but maybe you can read the rest when nobody is looking.

  • Page 4: Getting Started

    Getting Started The following steps will help you set up your T•231, and get the levels just right. SETTINGS: 1. Be sure the T•231’s POWER switch is off. 2. Set all the sliders to their center positions and all the switches out.

  • Page 5: Table Of Contents

    Repair ...13 Appendix B: Connections ...14 Appendix C: Technical Info...15 T•231 Specifi cations ...15 T•231 Block Diagram ...16 Frequency Chart ...18 TAPCO LIMITED WARRANTY...19 Don’t forget to visit our website at www.tapcogear.com for more information about this and other TAPCO products.

  • Page 6: Introduction

    Today, TAPCO is reborn with the same ideals and is backed by the world-class engineering and manufacturing horsepower of Mackie. The TAPCO T•231 is the fi rst graphic equalizer in the TAPCO by ® Mackie family.
  • Page 7 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.

  • Page 8: Alternate Hookup: Individual Channel Or Main Inserts

    Hookup Diagrams Typical Hookup: In-line with Main Outputs SERIAL / DATE CODE RISK OF FIRE REPLACE FUSE AS MARKED LIFT 315mA 250V Alternate Hookup: Individual Channel or Main Inserts TO CHANNEL OR MAIN INSERT SERIAL / DATE CODE RISK OF FIRE REPLACE FUSE AS MARKED LIFT 315mA 250V...

  • Page 9: T•231 Features

    T•231 Features 31.5 T•231 31.5 FRONT PANEL FEATURES The controls for Channels 1 and 2 are the same, so these descriptions apply to both channels. 1. EQ Sliders When the EQ sliders are in the center position, they have no effect on the signal. Move a slider up or down to boost or cut a particular frequency by up to ±12 dB (±6 dB when the RANGE switch is set to 6 dB).

  • Page 10: Rear Panel Features

    SERIAL / DATE CODE RISK OF FIRE REPLACE FUSE AS MARKED LIFT 315mA 250V REAR PANEL FEATURES 9. Line Cord Socket and Fuse Here is where you connect the detachable line cord that came in the box with your T•231. Plug the other end of the line cord into an AC outlet properly confi...

  • Page 11: General Precautions And Considerations

    GENERAL PRECAUTIONS AND CONSIDERATIONS Rack Mounting The T•231 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.

  • Page 12: Appendix A: Service Information

    Appendix A: Service Information Warranty Service Details concerning Warranty Service are spelled out in the Warranty section on page 19. If you think your T•231 has a problem, please do everything you can to confi rm it before calling for service.

  • Page 13: Repair

    Repair Service for TAPCO products is available from one of our authorized domestic service centers or at our factory, located in sunny Woodinville, Washington. Service for TAPCO products living outside the United States can be obtained through local dealers or distributors.

  • Page 14: Appendix B: Connections

    Appendix B: Connections XLR Connectors The inputs and outputs use 3-pin male and female XLR connectors. They are wired as follows, according to standards specifi ed by the AES (Audio Engineering Society). XLR Balanced Wiring Pin 1 = Shield Pin 2 = Hot (+) Pin 3 = Cold (–) 1/4"...

  • Page 15: Appendix C: Technical Info

    Appendix C: Technical Info T•231 Specifi cations Frequency Response 20 Hz to 20 kHz (+0, –1 dB) 20 Hz to 50 kHz (+0, –3 dB) Audio Input Type: Active balanced XLR and 1/4" jacks Unbalanced RCA jack Impedance: 20 kΩ balanced 15 kΩ...

  • Page 16: T•231 Block Diagram

    T•231 Block Diagram This outlines the signal fl ow inside the T•231.
  • Page 17 115V...

  • Page 18: Frequency Chart

    Frequency Chart This chart shows the frequency range covered by various instruments and voices. Typical Frequency of each Instrument and Voice C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K 1.6K 2K 2.5K 3.1K 4K 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K 1.6K 2K 2.5K 3.1K 4K Middle C...

  • Page 19: Tapco Limited Warranty

    B. Failure to register online or return the product registration card will not void the 1-year warranty. C. Service and repairs of TAPCO products are to be performed only at the factory, OR at a factory- authorized service center. Unauthorized service, repairs, or modifi...
  • Page 20 tapcogear.com...

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