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DUAL EQUALIZER
TABLE OF CONTENTS
2. SAFETY PRECAUTIONS ............................. 3
3. GENERAL DESCRIPTION ........................... 4
4. FEATURES ................................................... 4
5. HANDLING PRECAUTIONS ........................ 5
6. NOMENCLATURE AND FUNCTIONS ......... 5
Front .............................................................. 5
Rear ............................................................... 6
Thank you for purchasing TOA's Dual Equalizer.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
OPERATING INSTRUCTIONS
7. INTERNAL SWITCH SETTINGS ................. 6
8. BLOCK DIAGRAM ...................................... 7
9. SPECIFICATIONS ....................................... 7
Accessories .................................................. 7
10. DIMENSIONAL DIAGRAM ......................... 8
E-232
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Summary of Contents for Toa E-232
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Page 1: Table Of Contents
5. HANDLING PRECAUTIONS ......5 6. NOMENCLATURE AND FUNCTIONS ..5 Front .............. 5 Rear ............... 6 Thank you for purchasing TOA's Dual Equalizer. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment. -
Page 2: Important Safety Instructions
1. IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Protect the power cord from being walked on or pinched particularly at plugs, convenience • Keep these instructions. receptacles, and the point where they exit from the apparatus. • Heed all warnings. • Only use attachments/accessories specified by the • Follow all instructions. manufacturer. • Do not use this apparatus near water. • Use only with the cart, stand, tripod, bracket, or table specified • Clean only with dry cloth. -
Page 3: Safety Precautions
• Should the following irregularity be found during use, immediately turn off this unit's power switch, AVERTISSEMENT disconnect the power supply plug from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the unit in this condition as this may cause fire or electric shock. When Installing the Unit · If you detect smoke or a strange smell coming Lors de l’installation de l’appareil... -
Page 4: General Description
Operating the unit with a damaged power allowable to the unit. supply cord may cause a fire or electric shock. · The supplied rack-mounting screws can be used for the TOA equipment rack only. Do not use them • When moving the unit, be sure to remove its power for other racks. supply cord from the wall outlet. Moving the unit · When installing the unit in a rack other than that of... -
Page 5: Handling Precautions
5. HANDLING PRECAUTIONS • Line voltage must not exceed ±10% of that indicated at the unit’s AC inlet. Line frequency can be 50 Hz or 60 Hz. • The power supply cord supplied with the E-232 is designed for exclusive use with each equipment. Never use them with other equipment. • When cleaning the unit, be sure to turn the power switch to OFF. Wipe with a soft dry cloth. If it gets very dirty, use the soft cloth slightly moistened in neutral cleanser. Never use thinner, benzene, chemically processed towels, or alcohol as the unit’s plastic or other parts may be deformed or discolored. 6. NOMENCLATURE AND FUNCTIONS [Front] 1. Power button/power lamp 6. HPF cut-off frequency control This button switches power on (the lamp lights) This control adjusts the cut-off frequency of a high- and off (the lamp is extinguished). pass filter that rejects undesired low frequency components. The filter has a slope of –12 dB per... -
Page 6: Rear
This work should only be performed by a qualified professional WARNING electrician. If users open the unit case or modify the unit, this may cause fire or electric shock. The E-232 enables the following functions by setting the internal switches. (1) Equalization range setting Boost (amplification) or cut (attenuation) can be set for either 6 dB or 12 dB per channel. (2) Ground loop cut [GND switch] Depending on connected equipment, a ground loop that generates hum noise may be created. In such a case,... -
Page 7: Block Diagram
Less than –98 dB * (EQ: ON, all equalization controls: 0, GAIN : 0, HPF: 15 Hz) Noise Level (IHF-A) +4 dB * , 30 kΩ (GAIN: 0) Input +4 dB * , 1 kΩ Output Gain +12 dB to –12 dB adjustable Center Frequency (Hz) 40, 63, 100, 160, 250, 400, 630, 1 k, 1.6 k, 2.5 k, 4 k, 6.3 k, 10 k, 16 k Equalization Range Boost: +12 dB or +6 dB, Cut: –12 dB or –6 dB (selectable by internal switches) Highpass Filter –12 dB per octave (cutoff frequency: 15 Hz to 300 Hz variable) Power Requirements E-232 301H: 220 – 240 V AC, 50/60 Hz E-232 313H: 220 – 240 V AC, 50/60 Hz E-232 L: 120 V AC, 60 Hz Power Consumption 11 W (120 V AC), 13 W (220 – 240 V AC) Color Black Dimensions 483 (w) x 46 (h) x 311 (d) mm (19.02" x 1.81" x 12.24") Weight 3.8 kg (8.38 lb) * 0 dB = 0.775 Vrms Note: The design and specifications are subject to change without notice for improvement. • Accessories Security cover .......... -
Page 8: Dimensional Diagram
10. DIMENSIONAL DIAGRAM Unit: mm (in) [Rear] 419 (16.5) [Top] [Side] 466 (18.35) 483 (19.02) [Front] URL: http://www.toa.jp/ 133-02-00050-00...
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