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7. WARRANTY

1. WARRANTY REGISTRATION CARD

To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within
10 days of the Purchase Date.

All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of
the sales status, so as to purport a more effective and efficient after-sales warranty service.

Please fill out all the information carefully and genuinely, miswriting or absence of this card will void your warranty
service.

2. RETURN NOTICE

2.1 In case of return for any warranty service, please make sure that the product is well packed in its original shipping

carton, and it can protect your unit from any other extra damage.

2.2 Please provide a copy of your sales receipt or other proof of purchase with the returned machine, and give detail

information about your return address and contact telephone number.

2.3 A brief description of the defect will be appreciated.

2.4 Please prepay all the costs involved in the return shipping, handling and insurance.

3. TERMS AND CONDITIONS

3.1

warrants that this product will be free from any defects in materials and/or workmanship for a period

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of 1 year from the purchase date if you have completed the Warranty Registration Card in time.

3.3 During the warranty service,

may repair or replace this product at its own option at no charge to you for

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parts or for labor in accordance with the right side of this limited warranty.

3.4 This warranty does not apply to the damages to this product that occurred as the following conditions:

Normal tear and wear.

Instead of operating in accordance with the user's manual thoroughly, any abuse or misuse of this product.

The product has been altered or modified in any way.

Damage which may have been caused either directly or indirectly by another product / force / etc

Abnormal service or repairing by anyone other than the qualified personnel or technician.

And in such cases, all the expenses will be charged to the buyer.

3.5 In no event shall

be liable for any incidental or consequential damages. Some states do not allow the exclu-

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sion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you.

3.6 This warranty gives you the specific rights, and these rights are compatible with the state laws, you may also

have other statutory rights that may vary from state to state.

3.2 The warranty service is only available to the original consumer, who purchased this product directly from the

retail dealer, and it can not be transferred.

Summary of Contents for X P234

Page 1: ...User s Manual LTO R www altoproaudio com Version 2 0 Dec 2002 English 2 WAY 3 WAY STEREO 4 WAY MONO ACTIVE CROSSOVER X P234 ...

Page 2: ...y the recommended fuse type as indicated in this manual Do not short circuit the fuse holder Before replacing the fuse make sure that the product is OFF and disconnected from the AC outlet Protective Ground Before turning the product ON make sure that it is connected to Ground This is to prevent the risk of electric shock Never cut internal or external Ground wires Likewise never remove Ground wir...

Page 3: ...r customers and thank our designers and all the LTO staff there to make possible the realization of products containing our idea of music and sound and there to support you our customers in the best way cons cious that you are our best richness Thank you very much LTO AUDIO TEAM 2 Thanks for choosing LTO Active Crossover and thanks for choosing the one of results of LTO AUDIO TEAM job We have been...

Page 4: ... Panel b The Rear Panel 3 3 Stereo 2 Way Operation a The Front Panel b The Rear Panel 4 INSTALLATION CONNECTION 10 4 1 Mains Connection 4 2 Audio Connection 4 3 Rack Mounting 5 APPLICATION 11 5 1 X P234 Used in 4 way mono operation mode 5 2 X P234 Used in 3 way stereo operation mode 5 3 X P234 Used in 2 way stereo operation mode 6 TECHNICAL SPECIFICATIONS 14 7 WARRANTY 16 ...

Page 5: ...able 25 Hz subsonic filter on each input for low frequency driver protection Low Sum function provides low level mono output for subwoofer operation Adjustable time delay for phase alignment between drivers CD horn equalization for constant directivity horn compensation Servo balanced gold plated XLR connectors for all inputs and outputs Ultra high precision potentiometers for ultimate accuracy an...

Page 6: ...tput Gain Control This control is used to attenuate or boost the high middle frequencies output by 6dB 25 Phase Inversion for High Mid Output ncies cancellation in some fields can be compensated for 26 Mute for High Mid Output This button mutes the high middle frequencies output 10 Phase Inversion for Low Mid Output 27 High Output Gain Control This control is used to attenuate or boost the high fr...

Page 7: ... to your speakers effectively set the threshold of the multi band limiter at the proper position 12 9 6 6 4 2 6 4 2 6 4 2 12 8 4 6 4 2 6 4 2 2 4 4 8 12 INPUT LOW CUT LOW MID HIGH MID LOW DELAY LOW OUTPUT LOW MID OUTPUT HIGH MID HIGH HIGH MID OUTPUT HIGH OUTPUT MONO 4 WAY 8 INPUT DELAY POWER 25Hz XOVER FREQ XOVER FREQ 25Hz dB 18 OFF 6 0 MONO LIM LIM LIM STEREO LIM LIM LIM INPUT LOW CUT MID HIGH LOW...

Page 8: ... is selected in stereo mode 31 Limiter Control Engage this button to activate each band s limiter b The Rear Panel 8 9 10 12 13 14 3 4 11 7 2 Low Cut Engage this button to add a 25Hz low cut filter into the input signal path 5 6 This knob adjusts the Low Mid crossover frequency from 44Hz to 930Hz based on which the Low Mid frequencies can be output separately This knob adjusts the Mid High crossov...

Page 9: ...tput 12 High Output Gain Control 13 Phase Inversion for High Output This button mutes the low frequencies output This control is used to attenuate or boost the high frequencies output by 6dB cellation in some fields can be compensated for 1 2 3 5 6 8 7 12 14 13 15 30 31 34 35 12 9 6 6 4 2 6 4 2 6 4 2 12 8 4 6 4 2 6 4 2 2 4 4 8 12 INPUT LOW CUT LOW MID HIGH MID LOW DELAY LOW OUTPUT LOW MID OUTPUT H...

Page 10: ...use can only be changed by a qualified technician in the event of a fault or changing the supply voltage If the fuse continues to blow after replacing discontinue use of this before repaired Abbreviation for Constant Directivity Horn this button can be used to boost the high frequencies so that the To prevent any damage to your speakers effectively set the threshold of the multi band limiter at th...

Page 11: ...to the stereo 2 way operation mode 9 Low Sum Control can be output from Channel1 14 Input Connector These two balanced XLR connectors are used to input the stereo program sources For 1 4 Phone jack For XLR connector XLR Type Unbalanced XLR Type alanced B Pin3 Pin2 Pin1 Linked to Pin1 manually Pin1 Pin2 Pin3 TS Type Unbalanced Sleeve Tip TRS Type Balanced Tip Ring Sleeve TRS Type Unbalanced Tip Rin...

Page 12: ... FREQ 10 1 MODE LF SUM HIGH HIGH MID NOT USED NOT USED NOT USED NOT USED LOW LOW MID INPUT LOW LOW MID MONO 4 WAY STEREO 3 WAY STEREO 2 WAY 2 1 3 NEW TIDE 2 1 3 NEW TIDE 110 120V 220 240V STEREO 2 WAY STEREO 3 WAY MONO 4 WAY AC INPUT Rated Power Consumption 17W FUSE 210 240V T250mAL 250VAC 95 120V 500mA 250VAC REPLACE FUSE WITH CORRECT TYPE ONLY Apparaten skall anslutas till Jordat uttag nar den a...

Page 13: ...hen the power amplifier to run the system While powered off please ensure the power amplifier is turned off first then the X P234 power amplifier is turned off first then the X P234 HIGH NOT USED LOW LOW HIGH INPUT NOT VALID MONO 4 WAY NORMAL SUMMED LOW SUM LOW SUM HIGH MID LOW LOW MID INPUT HIGH MID INPUT LOW LF SUM LOW MID HIGH NOT USED LOW LF SUM INPUT LOW HIGH XOVER FREQ 10 1 XOVER FREQ 10 1 M...

Page 14: ...ay operation mode 2 Apply the stereo program sources from the Mixer to the Input Connectors of Channel1 and Channel2 3 Output the Low frequencies signal to the power amplifier 4 Output the High frequencies signal to the power amplifier power amplifier is turned off first then the X P234 5 Power up the X P234 first then the power amplifier to run the system While powered off please ensure the ...

Page 15: ...dBu 94dBu 95dBu 88dBu 90dBu 106dB unweighted On Limiter Limiter Off 0 5 0 04 Interchannel Crosstalk 93dBu High to Low 94dBu High to Mid 95dBu Mid to Low 95dBu High to High Mid 95dBu High Mid to Low Mid 92dBu Low Mid to Low CROSSOVER Filter Type Stereo Mode Frequencies Low High Low Mid Mid High Mono Mode Frequencies Low Low Mid Low Mid High Mid High Mid High Linkwitz Riley 24dB Octave state variabl...

Page 16: ...ion Selects normal stereo or mono summed low frequency operation ON Channel1 6dB Louder Channal2 the same as before Controls the input gain 12dB Controls the crossover frequency Controls the delay at the low output 0 to 2 msec Controls the output gain 6dB Controls the threshold of the limiter 6dB to OFF 3 pole IEC grounded serve controlled stabilized 95 120V 210 240V 60 50Hz 17W 210 240V T250mAL 2...

Page 17: ...d LTO of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for LTO parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions Nor...

Page 18: ...ll rights reserved to ALTO Mobile Due to continued development in response to customer feedback product features specifications and or internal external design may be changed without prior notice No photocopying translation or reproduction of any part of this user manual is allowed without prior written permission Copyright 2004 Seikaku Technical Group Limited c NF00903 1 0 ...

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