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3.1 Please check the AC Voltage available in your country before connecting your PBM8.250/500 to the AC socket.

3.2 Be sure that the main power switch is turned off before connecting the Mixer to the AC socket. Also, you should

make sure that all Input and output controls are turned down. This will avoid damages to your speakers and avoid
excessive noise.

3.4 Complete these connections as illustrated.

3.7 Before disconnecting the PBM8.250/500 always turn-off the Power switch.

3.8 Do not use solvents to clean your PBM8.250/500. A dry and clean cloth will be OK.

3.3 Please connect one side of the speaker cable to speakon or phone jacks of your PBM8.250/500 and the other

side to the input socket of your speaker cabinet; or connect one side to the main output L/R of your PBM8.250/
500 and other 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 your PBM8.250/500,

please switch on your PBM8.250/500 after turning on all external devices; after using, switch off your PBM8.250/
500 before all external devices.

3.6 When the external power amplifier or active speaker connected to the main output L/R of your PBM8.250/500,

please switch on your PBM8.250/500 before the external power amplifier or active speaker. After using, switch
off your PBM8.250/500 after the external power amplifier or active speaker.

3. QUICK START

Passive speaker 2

MAIN OUT

MONITOR OUT

LEFT

RIGHT

HEADPHONE

OUT

Active speaker 2

MAIN OUT

MONITOR OUT

LEFT

RIGHT

HEADPHONE

OUT

Passive speaker 2

6

OUTPUT 2

1+

1-

POS

NEG

LEFT/MONO MAIN

OUTPUT 2

OUTPUT 1

OUTPUT 2

2+

2-

POS

NEG

RIGHT/MONITOR

OUTPUT 1

1+

1-

POS

NEG

BRIDGE

2+

1+

POS

NEG

BRIDGE MODE

POWER

FUSE

250V

T3.15AH

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

REPLACE WITH THE SAME TYPE FUSE AND RATING
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE

WARNING: SHOCK HAZARD - DO NOT OPEN
AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

SERIAL

MODEL

STEREO MODE:

250 W @ 4 OHM
190 W @ 8 OHM

(4 OHM MIN. LOAD)

BRIDGE MODE:

500 W @ 8 OHM

(8 OHM MIN. LOAD)

CLASS 2 WIRING MAY BE USED

LTO

R

POWERD MIXER
MODEL: PBM8.250

Apparaten skall anslutas
till jordat uttag nar den
ansluts till ett natverk

AC

INPUT

100 VAC~60HZ

120 VAC~60HZ

230 VAC~50HZ

240 VAC~50HZ

Useo

nlywith

a250V

fuse

Useonly

witha

250Vfuse

Useonly

with

a250V

fuse

Содержание PBM8.250

Страница 1: ...PBM8 250 PBM8 500 8 channel Stereo Powered Mixer with DSP User s Manual LTO R www altoproaudio com Version 1 2 August 2004 English...

Страница 2: ...to qualified service personnel only Do not perform any servicing other than those instructions contained within the User s Manual When required either blow off dust from the product or use a dry cloth...

Страница 3: ...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 PBM8 250 500 possible especially...

Страница 4: ...nel 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 15 6 INSTALLATION AND CONNECTION 22 6 1 Audio Connections 6 2 Speaker Conn...

Страница 5: ...r two 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 p...

Страница 6: ...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 ou...

Страница 7: ...switch off your PBM8 250 500 before all external devices 3 6 When the external power amplifier or active speaker connected to the main output L R of your PBM8 250 500 please switch on your PBM8 250 5...

Страница 8: ...Hz 2 5KHz 2 5KHz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 15dB 15dB 15dB 15dB 15dB 15dB 15dB 15dB 15dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 20...

Страница 9: ...2 5KHz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 80Hz 15dB 15dB 15dB 15dB 15dB 15dB 15dB 15dB 15dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 10dB 20 dB PAD 20...

Страница 10: ...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 o...

Страница 11: ...ontrol 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...

Страница 12: ...mix signal path when some frequency band s fader lights up it means the level of corresponding frequency band is too high which may lead to distortion Via the button you can prevent from the signal di...

Страница 13: ...r or active monitor speaker MONITOR OUT Jack 20 The both 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 ja...

Страница 14: ...rack out left and right Via these jacks you can route the main mix signal into a tape recorder or DAT for recording 2 TRACK OUT 27 Adjust this knob to select the right effect you wish to perform There...

Страница 15: ...tention to the impedance of speaker Lower load impedances are not permitted SPEAKERS Jacks 34 35 36 32 This control is used to control the volume of signal sent to main mix bus which can be varied fro...

Страница 16: ...e delay Rev Time Room Size Rev Type Hi Damp 1 114 45 79 10 55 0 30 84 55 45 50 40 114 45 0 25 Hall 12 2 Spring 3 Plate 4 5 6 7 8 9 10 11 12 13 14 15 16 Spring Hall Plate 12 12 12 12 12 12 12 12 12 12...

Страница 17: ...12 00 0 96 12 00 0 96 12 00 0 96 12 00 0 96 12 00 0 96 12 00 0 96 12 00 2 90 2 90 2 90 3 60 3 60 3 60 4 00 4 00 4 00 4 50 4 50 4 50 88 88 88 88 88 88 88 82 82 82 82 82 82 82 Rev level 04 SMALL HALL N...

Страница 18: ...0 100 92 92 92 Rev level 07 PLATE No Pre delay Rev Time Room Size Hi Damp 1 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 2 2 08 3 4 5 6 7 8 9 10 11 12 13 14 15 16 6 10 5 40 4 50 4 00 3 60 2 90 2 40...

Страница 19: ...87 2 0 96 12 00 3 4 5 6 7 8 9 10 11 12 13 14 15 16 5 4 5 4 4 50 4 50 4 4 3 60 3 60 2 90 2 90 2 40 2 40 1 70 1 70 1 30 1 30 35 35 33 33 30 30 28 28 22 22 22 22 22 22 22 22 0 96 12 00 0 96 12 00 0 96 12...

Страница 20: ...73 74 73 73 12 FLANGER No 1 2 3 4 5 6 7 8 9 10 11 12 Mod Freq 2 79 2 52 2 33 2 25 2 10 1 99 1 75 1 61 1 34 1 22 1 00 0 80 Pitch Depth 30 40 40 40 40 40 40 50 50 70 70 70 Left F B 38 42 38 38 42 38 42...

Страница 21: ...B 48 28 28 28 28 28 28 28 48 28 28 28 28 28 28 28 Right F B 82 67 67 67 60 49 49 49 82 67 67 67 60 49 49 49 Rev level 80 80 80 80 80 80 80 80 90 90 90 90 90 90 90 90 Rev Time 15 REVERB FLANGER No 1 2...

Страница 22: ...0 1 00 Room Size 39 39 39 39 39 39 39 39 26 26 26 26 26 26 26 26 Mod Freq 4 74 4 12 3 67 3 02 2 63 1 99 1 35 0 50 4 74 4 12 3 67 3 02 2 63 1 99 1 35 0 50 Pitch Depth 40 40 40 40 40 40 70 70 40 40 40 4...

Страница 23: ...is point and you are now in the position to successfully operate your PBM8 250 500 However we advise you to read carefully the following section to be the real master of your own mix Not paying attent...

Страница 24: ...ignal source equipment for the passive speaker cabinets The power connector has four terminals 1 1 2 2 Your PBM8 250 500 features three modes for connecting the main speakers The speaker impedance req...

Страница 25: ...MAIN MONITOR BRIDGE Use either the speakon jacks or phone jacks Main Speaker Main Speaker OUTPUT 2 1 1 POS NEG LEFT MONO MAIN OUTPUT 2 OUTPUT 1 OUTPUT 2 2 2 POS NEG RIGHT MONITOR OUTPUT 1 1 1 POS NEG...

Страница 26: ...MONITOR BRIDGE ON 30 30 10 10 0 0 10 10 0 9 9 15 15 0 9 9 15 15 0 9 9 15 15 0 9 9 15 15 HEADPHONE OUT LOW NOISE PREA M P LOW NOISE PREA M P LOW NOISE PREA M P LOW NOISE PREA M P LOW NOISE PREA M P LO...

Страница 27: ...el 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...

Страница 28: ...210 240V T3 15AL Physical Weight PBM8 250 Net 14kg 30 86lb Gross 15kg 33 07lb Dimension W D H 550mm 220mm 310mm 8 66 12 20 21 65 Stereo mode 250W 4ohm 190W 8ohm Bridge mode 500W 8ohm PBM8 500 Stereo...

Страница 29: ...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...

Страница 30: ...altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 All rights reserved to ALTO All features and content might be changed prior notice Any photocopy translation or repr...

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