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19

5. TECHNICAL SPECIFICATION

Mono input channels

Stereo input channels

Impedances

Equalization

DSP Section

Microphone input

electronically balanced, discrete input configuration

Frequency response

10Hz to 55kHz, +

3dB

Distortion (THD & N)

0.006% at 4dBu, 1kHz

+

Gain

50dB (MIC)

SNR (Signal to Noise Ratio)

>90dB

Line input

electronically balanced

Frequency response

10Hz to 55kHz,

3dB

+

Distortion (THD & N)

0.04% at 4dBu, 1kHz

+

Gain

30dB

Line input

Unbalanced

Frequency response

10Hz to 55kHz,

3dB

+

Distortion (THD & N)

0.006% at +4dBu, 1kHz

Microphone input

1.4kOhm

Channel Insert return

2.5kOhm

All other inputs

10kOhm or greater

Tape out

1kOhm

All other output

120Ohm

Hi shelving

+

15dB @12kHz

Mid bell

+

15dB @2.5kHz

Low shelving

+

15dB @ 80Hz

A/D and D/A converters

24 bit

DSP resolution

24 bit

Type of effects

Hall, Room, Vocal & Plate REVERBS

Mono & Stereo DELAY (max DELAY TIME 650ms)

Chorus, Flanger & Reverb MODULATIONS

DELAY, CHORUS,

Presets

256

Controls

16-position PRESET Selector

16-position VARIATION selector

CLIP LED
MUTE SWITCH with LED indicator

FLANGER combinations

Main Mix Section

Noise (Bus noise)

Fader 0 dB, channels muted:

85dBr (ref.:+4dBu)

Fader 0dB, all input channels assigned and set to

UNITY gain:

71dBr (ref.:+4dBu)

Max output

+27dBu balanced ,

22dBu unbalanced, 1/4" jacks

+

AUX Sends max out

+22dBu

Содержание APM80.1000

Страница 1: ...APM80 1000 8 channel Stereo Powered Mixer with DSP User s Manual LTO R www altoproaudio com Version 1 0 Jan 2007 English ...

Страница 2: ...t away from naked flames Read these instructions Follow all instructions Keep these instructions Do not discard Heed all warnings Only use attachments accessories specified by the manufacturer Do not tamper with the power cord or plug These are designed for your safety Do not remove Ground connections If the plug does not fit your AC outlet seek advice from a qualified electrician Protect the powe...

Страница 3: ...uggestions which will aid us in develop ing future products for you We guarantee you our commitment for quality continual research and development and We would like to thank all the people who made the LTO possible especially to our designers and APM80 1000 LTO staff It is their passion for music and professional audio that has made it possible for us to offer you our most important team member ou...

Страница 4: ...nnel Section 4 2 MASTER SECTION Control 4 3 MASTER SECTION INPUT and OUTPUT Jacks 4 4 DSP Section 4 5 Rear Panel 5 PRESET LIST 14 6 INSTALLATION AND CONNECTION 15 6 1 Audio Connections 6 2 Speaker Connections 6 3 Possible System Connection Mode for Live Sound Application 8 WARRANTY 21 7 TECHNICAL SPECIFICATION 19 ...

Страница 5: ... aux sends pan and level control The master section includes stereo return 2 track input output for playing back stereo devices for recording your mix sweet equ alizers for main and monitor 256 position multieffect and built in feedback terminator and so on Thank you very much for expressing your confidence in LTO products by purchasing LTO 8 APM80 1000 channel stereo powered mixer with DSP The is...

Страница 6: ... noise discrete MIC preamps with 48V phantom power Extremely high headroom offering more dynamic range Each input channel with 20dB PAD PAN and level control 3 band equlizer on input channels 256 position multieffect 2 track recording IN OUT phono Headphone output 2 500 watt EIAJ amplifiers For APM80 1000 The 8 channel stereo powered mixer with DSP is designed for professional application It provi...

Страница 7: ...hone jacks of and the other side to APM80 1000 the input socket of your speaker cabinet or connect one side to the main output L R of and other APM80 1000 side to the input socket of your active speaker cabinet or other stereo power amplifier 3 5 When no external power amplifier or active speaker connected to the main output L R of please APM80 1000 switch on after turning on all external devices ...

Страница 8: ...4 CONTROL ELEMENTS 7 ...

Страница 9: ... 0dB 0dB 0dB 0dB 0dB 0dB 0dB 0 dB 0 dB LEVEL 3 4 5 6 7 8 3 20dB PAD Button Pressing this button will attenuate the input signal by 20dB In such way you can produce increased headroom and reduce the risk of distortion because of level peaks at input level when the input signal is quite hot 4 EQUALIZER APM80 1000 features a 3 band equalizer allowing you adjust the high mid and low frequencies separa...

Страница 10: ...Turn this control fully counterclockwise the signal will be present only on the left of main mix and vice versa PAN Control 8 This control is used to adjust the overall level of respective channel The adjustable range goes from to 10dB Channel LEVEL Control 4 2 MASTER SECTION Controls 12 9 10 11 9 APM80 1000 is equipped with both stereo graphic EQs one is for MAIN MIX another for MONITOR MIX each ...

Страница 11: ...uency band is too high i e there is a little feedback occurring in this frequency band which may result in unpleasant speaker howling or whistling In this case in order to eliminate feedback you need to turn down the corresponding fader FEEDBACK TERMINATOR Button MAIN MIX 14 This control is used to adjust the overall volume of main mix output MAIN MIX LEVEL Control 15 The stereo 4 segments LED dis...

Страница 12: ...th jacks are used to output the main mix signal to an external amplifier or active speaker MAIN OUT Jacks 21 This is a stereo phone type output jack it is used to send out the monitor signal to a pair of headphones HEADPHONE OUT Jack AUX2 OUT STEREO RTN 22 AUX2 OUT Jack 23 STEREO RTN Jack 22 23 It is available only to the XLR MIC sockets Never plug in a micro phone when phantom power is already on...

Страница 13: ...oute the signal to main mix bus the signal will be affected only by main level control TAPE TO Select Switch 25 APM80 1000 features dual RCA jacks for 2 track in left and right If you wish to listen to your mix from a tape recorder DAT or cassette please use these tape input jacks Depending on the setting of TAPE TO select switch you can assign the signal coming from the tape recorder DAT or casse...

Страница 14: ...main mix bus which can be varied from to 10dB effect DSP TO MAIN Control AC Select Switch This switch has two choices for voltage 115 VAC or 230 VAC Note If you want to switch the voltage remove the cover plate with a screwdriver and set the switch to the 115 VAC or 230VAC as the actual requirement Refer to the specification page 20 for instructions of replacing fuse 37 37 LTO R POWERED MIXER MODE...

Страница 15: ...ate a record head and multiple playback heads at intervals along the tape 1 3 5 4s 0 84ms SPRING REVERB Simulate the analog transducers springs lightly stretched sound MONO DELAY STEREO DELAY FLANGER CHORUS REV DELAY REV FLANGER REV CHORUS Reproduce the sound input on the outputafter a lapse of time Recreate the input sound on the stereo output with different time Simulate to play with another per...

Страница 16: ...his point and you are now in the position to successfully operate However We APM80 1000 advise you to read carefully the following section to be the real master of your own mix Not paying attention enough to the input signal level to the routing of the signal and the assignment of the signal will result in unwanted distortion a corrupted signal or no sound at all So you should follow this procedur...

Страница 17: ...use connect pin 1 to 3 3 pin XLR Male Plug 2 Hot 3 Cold 1 Ground Screen Use for Main output For unbalanced use leave pin 3 unconnected 3 pin XLR Line Socket seen from soldering side 1 2 3 1 2 3 6 2 Main Speaker Connections 1 2 1 2 Please use only the power connectors to make connections with other signal source equipment for the passive speaker cabinets The power connector has four terminals 1 1 2...

Страница 18: ...MONO MAIN OUTPUT 2 OUTPUT 1 OUTPUT 1 1 1 POS NEG BRIDGE 2 1 POS NEG BRIDGE MODE 17 Here some illustrations will give you some helpful suggestions Bridge Mode Main Speaker AMPLIFIER MODE MAIN MAIN MAIN MONITOR BRIDGE MAIN MONITOR Mode AMPLIFIER MODE MAIN MAIN MAIN MONITOR BRIDGE Use either the speakon jacks or phone jacks Main Speaker Monitor Speaker MAIN MAIN Mode AMPLIFIER MODE MAIN MAIN MAIN MON...

Страница 19: ...ve main speakers For input section connect three or more microphones to mono MIC channels 1 3 connect synthesizers or signal processor to either line input of stereo channel 7 8 or line input of mono channel connect the CD player to line input of mono or stereo channel other stereo line signal source can be connected to line input of channel 9 10 L R ON Vocal MIC Monitor L R Synthesizers Other ste...

Страница 20: ...nel Insert return 2 5kOhm All other inputs 10kOhm or greater Tape out 1kOhm All other output 120Ohm Hi shelving 15dB 12kHz Mid bell 15dB 2 5kHz Low shelving 15dB 80Hz A D and D A converters 24 bit DSP resolution 24 bit Type of effects Hall Room Vocal Plate REVERBS Mono Stereo DELAY max DELAY TIME 650ms Chorus Flanger Reverb MODULATIONS REVERB DELAY REVERB CHORUS Presets 256 Controls 16 position PR...

Страница 21: ... 1000 Fuse APM80 1000 100 120V T8A 250V 220 240V T5A 250V Physical Weight Net 8 0kg 17 63lb Gross 10 8kg 23 8lb Dimension W D H 550mm 220mm 310mm 8 66 12 20 21 65 Stereo mode 440W RMS 4ohm 480W EIAJ 4ohm 254W RMS 8ohm Bridge mode 945W 8ohm 263W EIAJ 8ohm Output Power ...

Страница 22: ...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...

Страница 23: ...313737 email alto altoproaudio com Fax 886 4 22346757 c All rights reserved to ALTO All features and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 SEIKAKU GROUP SEIKAKU TECHNICAL GROUP LIMITED ...

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