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Installation

For optimal performance of the LX4-2.1, please read the following thoroughly
and carefully prior to installation.

Precautions

Handling:

Please do not touch the speaker cones.The LX4-2.1 set is packaged

in the box tightly, so your attention is required when taking the monitors out of
the box. To avoid possible damage to the speaker units, hold both sides of the
monitor in order to pull it out of the box. The speaker cones should not be
touched in order to avoid damage even after they are out of the box.

Connections:

Connect the TRS balanced/unbalanced inputs of each LX4

subwoofer unit to the corresponding pre-amp, computer or game console
outputs.We recommend that you use high-quality balanced or unbalanced cables
for input connections. Also, turn off the power of the LX4 and turn the volume
of the LX4 down to a minimum before making the necessary connections.

Correct Power Operation:

Since the LX4-2.1/ 5.1 contains amplifiers, it must

be connected to a power outlet using the detachable AC cable provided. Before
connecting power, please make sure that the Voltage-Select Switch located on
the speaker’s rear panel is set to the appropriate position, as described in the
rear-panel features list appearing earlier in this manual.

WARNING! - Use of improper Voltage-Select Switch combinations may
result in hazardous conditions and/or damage to speaker components
not covered by speaker warranty.

TRS Balanced/Unbalanced Connections

Assure that the power switch of the LX4 is turned to off and that the Master
Volume of the LX4 is turned down to a minimum. Connect the male end of a
TRS balanced or TS unbalanced cable to the TRS inputs of the LX4 (refer to the
following diagram for TRS connections).

6

Summary of Contents for LX4-2.1

Page 1: ...ion 6 Precautions 6 TRS Balanced Unbalanced Connections 6 Speaker Wire Connections 7 Connecting to Preamp Computer or Game Console Outputs 7 Placing the LX4 2 1 8 Technical Support Contact Information 9 Studiophile LX4 2 1 Warranty Terms 10 Appendix A Technical Specifications 11 Appendix B Block Diagram 12 Studiophile LX4 2 1 version LX421 061603 ...

Page 2: ...y accurate frequency response from 40 to 20KHz and ultimate convenience for desktop music production LX4 2 1 is designed with option to add the LX4 3 0 package upgrading the LX4 2 1 into a 5 1 system for music production or playback of 5 1 music and sound tracks This feature makes the LX4 system extremely flexible fitting into all modern digital music production and playback applications The Studi...

Page 3: ...t role In order to provide more stable performance the LX4 s enclosure employs a special high density MDF and unique interior reinforcement designed to absorb vibration and impact generated under extreme conditions 5 Network Power Amplifiers the active equalization and crossover networks as well as the power amplifiers for the LX4 2 1 are specially designed for the specific woofer tweeter and sub ...

Page 4: ...can be done with either a two or three conductor TS or TRS plug A two conductor TS plug automatically grounds the signal negative input whereas a three conductor TRS plug wired unbalanced provides the option of leaving the negative input open or grounded We recommend that you ground the unused negative input this can be done by wiring the ring and sleeve of the TRS plug together There are 6 TRS In...

Page 5: ...ire included in the optional LX4 3 0 package to connect the Surround Left channel amplifier output to the Surround Left Speaker SR Use Speaker wire included in the optional LX4 3 0 package to connect the Surround Right channel amplifier output to the Surround Right Speaker C Use Speaker wire included in the optional LX4 3 0 package to connect the Center channel amplifier output to the Center Speak...

Page 6: ...lso turn off the power of the LX4 and turn the volume of the LX4 down to a minimum before making the necessary connections Correct Power Operation Since the LX4 2 1 5 1 contains amplifiers it must be connected to a power outlet using the detachable AC cable provided Before connecting power please make sure that the Voltage Select Switch located on the speaker s rear panel is set to the appropriate...

Page 7: ...el Speaker outputs to the Left and Right Speakers Connecting to Preamp Computer or Game Console Outputs Before connecting make sure the output device s power has been turned off Plug the TRS balanced or TS unbalanced cable to the corresponding output connectors of a pre amplifier computer or game console 7 ...

Page 8: ...ional you can place the subwoofer box at any convenient location and then use the speaker wires to hook the Left and Right Speakers to the L R Speaker Output terminals on the rear panel of subwoofer enclosure 2 The two Left and Right speaker units and the listener should basically align to form a regular or equilateral triangle Refer to the following diagram 3 Position the monitors so that the top...

Page 9: ...fo maudio co uk Tech Support email techsupt m audio com Technical Support 44 0 871 717 7102 Fax 626 445 7564 Tech Support email richard maudio freeserve co uk Internet Home Page http www m audio com Fax 44 0 144 224 6832 internet Home Page http www maudio co uk M AUDIO Canada M AUDIO Deutschland Germany 1400 St Jean Baptiste Ave 150 Kuhallmand 34 Quebec City QC G2E 5B7 D 74613 Ohringen Canada Germ...

Page 10: ...he event that M AUDIO determines that the product requires repair because of user misuse or regular wear it will assess a fair repair or replacement fee The customer will have the option to pay this fee and have the unit repaired and returned or not pay this fee and have the unit returned unrepaired The remedy for breach of this limited warranty shall not include any other damages M AUDIO will not...

Page 11: ... R SL SR C LFE Polarity Positive signal at input produces outward low frequency cone displacement Input Impedance 20k ohms balanced 10k ohms unbalanced Input Sensitivity Sat Input 100 mV pink noise produces 90dBA output SPL 1meter w vol ctl at max setting Input Sensitivity LFE input 50mV pink noise produces 90dBA output SPL 1meter w vol cntrl at max setting Protection RF interference output curren...

Page 12: ...Appendix B Block Diagram 12 ...

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