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KRK 12sHO User Manual

KRK 12sHO
72 pages
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KRK12sHO SUBWOOFER
USER GUIDE
GUIDE D'UTILISATION
GUÍA DE USUARIO
Instruction Manual (English) – Page 1
Manuel d'instruction (français) – Page 22
Manual de instrucciones (español) – página 46
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KRK 12sHO Specifications

General IconGeneral
Driver Size12 inches
Woofer Size12 inches
Max SPL118 dB
Low Pass Filter50Hz - 130Hz
Volume ControlYes
TypeSubwoofer
Input ConnectorsXLR, TRS, RCA
Output ConnectorsXLR
Phase SwitchYes

Summary

IMPORTANT SAFETY INSTRUCTIONS

Electrical Safety and Fire Prevention

Covers warnings about voltage, opening the unit, fire, moisture, and proper electrical connection.

Installation and Handling Precautions

Covers ventilation, stable placement, environmental factors, and product handling warnings.

Servicing and Repair Precautions

Do Not Attempt Self-Service

Emphasizes referring servicing to qualified personnel and warns against unauthorized repairs.

Conditions Requiring Professional Service

Details situations like damaged cords, liquid spills, or dropped units that necessitate professional service.

KRK's ERGO Room Correction System

System Controls – Rear Panel

System Controls – Rear Panel (Continued)

Connecting Your System

Subwoofer Hook Up with Active Monitors

Subwoofer Hook Up with Passive Monitors

Subwoofer Placement and Set Up

Optimizing Bass Response in the Room

Explains how physical position affects bass response and the goal of achieving smooth frequency response.

Setting Subwoofer Levels

Matching Subwoofer and Monitor Levels

Guides on matching the subwoofer's output level to the main monitors using an SPL meter and pink noise.

Phase Alignment for Optimal Bass

Details the procedure for adjusting the phase to achieve the loudest and most in-phase bass response.

Connecting Your Subwoofer: 5.1 Surround

Bass Management Theory

Troubleshooting

Diagnosing No Power Issues

Provides checks for power cord connection, voltage settings, and fuse issues when the unit has no power.

Troubleshooting No Sound Problems

Offers solutions for audio output issues, checking cables, input sensitivity, and source levels.

Troubleshooting (Continued)

Resolving Sudden Unit Shutdowns

Guides on checking for overheating and allowing the unit to cool down after protection circuits engage.

Specifications

Technical Configuration Details

Lists system type, driver specifications, and frequency response ranges.

Performance and Electrical Specifications

Details calculated max SPL, power output, THD+N, SNR, and fuse types.

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