LTO PBM8.250/ MKII Owner'S Manual Download Page 4 | Manualshive

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SPO

TLIGHT

2

PMB8.250 MKII

PMB8.500 MKII

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP

TO MAIN

DSP

TO MON

PRESETS

DSP

PRESETS:

VARIATIONS

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

CLIP

MUTE

DSP

MUTE

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

9

10

11

12

13

14

15

16

-

8

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

8

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0

dB

14. DELAY

16. CHORUS

15.

FLANGER

5. LARGE ROOM

13. CHORUS

12. FLANGER

11. STEREO DELAY

10. MONO DELAY

9. SPRING REVERB

8. TAPE REVERB

7. PLATE

6. SMALL ROOM

4. SMALL HALL

3. LARGE HALL

2. VOCAL 2

1. VOCAL 1

50

50

100

100

250

250

500

500

1K

1K

2K5

2K5

5K

5K

8K

8K

16K

16K

LEVEL

LEVEL

MONITOR

MAIN

+10dB

+10dB

-

-

8

8

0

dB

0

dB

FEEDBACK

TERMINATOR

FEEDBACK

TERMINATOR

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

MID

MID

MID

MID

MID

MID

MID

MID

LOW

LOW

LOW

LOW

LOW

LOW

LOW

LOW

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

LEVEL

PAN

PAN

PAN

PAN

PAN

PAN

PAN

PAN

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

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 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

OPERATING

Right

Right

Right

Right

Right

Right

Right

Right

Right

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

Left

Left

Left

Left

Left

Left

Left

Left

Left

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

MIC IN (bal.)

LTO

R

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

CH 1

CH 2

CH 3

CH 4

CH 5

CH 6

CH 9-10

CH 7-8

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

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

-

AMPLIFIER

MODE

PHANTOM

48V

MAIN

+

MAIN

OFF

MAIN

+

MONITOR

BRIDGE

ON

AUX2

OUT

STEREO

RTN

FOOT

SW.

MAIN OUT

MONITOR OUT

TAPE

TAPE TO

CH9-10

MAIN

RIGHT

LEFT

IN

OUT

LEFT

RIGHT

HEADPHONE

OUT

LINE IN

(bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LINE IN

(bal.)

(MONO)

(MONO)

R

L

R

L

PBM8.250

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP/FX

AUX2
POST

DSP

TO MAIN

DSP

TO MON

PRESETS

DSP

PRESETS:

VARIATIONS

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

+10dB

CLIP

MUTE

DSP

MUTE

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

9

10

11

12

13

14

15

16

-

8

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

8

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0

dB

14. DELAY

16. CHORUS

15.

FLANGER

5. LARGE ROOM

13. CHORUS

12. FLANGER

11. STEREO DELAY

10. MONO DELAY

9. SPRING REVERB

8. TAPE REVERB

7. PLATE

6. SMALL ROOM

4. SMALL HALL

3. LARGE HALL

2. VOCAL 2

1. VOCAL 1

50

50

100

100

250

250

500

500

1K

1K

2K5

2K5

5K

5K

8K

8K

16K

16K

LEVEL

LEVEL

MONITOR

MAIN

+10dB

+10dB

-

-

8

8

0

dB

0

dB

FEEDBACK

TERMINATOR

FEEDBACK

TERMINATOR

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

HIGH

MID

MID

MID

MID

MID

MID

MID

MID

LOW

LOW

LOW

LOW

LOW

LOW

LOW

LOW

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

MON

AUX1

PRE

LEVEL

PAN

PAN

PAN

PAN

PAN

PAN

PAN

PAN

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

+15dB

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

12KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

2.5KHz

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 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

-20 dB

PAD

OPERATING

Right

Right

Right

Right

Right

Right

Right

Right

Right

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

-15dB

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

--

-

-

-

-

-

-

-

88

8

8

8

8

8

8

8

Left

Left

Left

Left

Left

Left

Left

Left

Left

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

0

dB

MIC IN (bal.)

LTO

R

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

LEVEL

CH 1

CH 2

CH 3

CH 4

CH 5

CH 6

CH 9-10

CH 7-8

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

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

1

2

3

-

AMPLIFIER

MODE

PHANTOM

48V

MAIN

+

MAIN

OFF

MAIN

+

MONITOR

BRIDGE

ON

AUX2

OUT

STEREO

RTN

FOOT

SW.

MAIN OUT

MONITOR OUT

TAPE

TAPE TO

CH9-10

MAIN

RIGHT

LEFT

IN

OUT

LEFT

RIGHT

HEADPHONE

OUT

LINE IN

(bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

MIC IN (bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LINE IN

(bal.)

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LOW

NOISE

PR

EA

M

P

LINE IN

(bal.)

(MONO)

(MONO)

R

L

R

L

PBM8.500

«
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Summary of Contents for PBM8.250/ MKII

Page 1: ...PBM8 250 MKII 8 500 POWERED BOX MIXER OWNER S MANUAL www altoproaudio com Version 2 0 NOV 2007 LTO R English...

Page 2: ...sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to important operating and maintenance instructions Please read Protective Ground Terminal AC mains Al...

Page 3: ...digital effects There is a three bands EQ on all input channels and separate Master EQ for Main Mix and Monitor Outputs Use it for small Gigs for Church applications and for Conference LTO LTO Enjoy y...

Page 4: ...M P LOW NOISE PREA M P LOW NOISE PREA M P LOW NOISE PREA M P LOW NOISE PREA M P LINE IN bal MONO MONO R L R L PBM8 250 DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2...

Page 5: ...ng or speak into the microphone with normal volume and adjust the channel LEVEL control of half h If you like you can add some equalization at this stage i Turn up the MAIN LEVEL control until you rea...

Page 6: ...BOX KEYBOARD WIRELESS MICROPHONE GUITAR BASS GUITAR DRUM MACHINE POWER AMPLIFIER EQUALIZER ADDITIONAL SPEAKERS DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2 POST DSP FX AUX2 POST DSP...

Page 7: ...annels 7 8 and 9 10 They are organised in stereo pair and provided with XLR balanced socket and 1 4 TRS phone sockets If you connect only the left jack the input will operate in mono mode that is the...

Page 8: ...for a headphone mix in recording application You have three EQ controls for each mono and stereo input channel each providing 15dB of boost and cut The signal will be unaffected when the controls on...

Page 9: ...you the monitor output level Make sure that the 10 LED only lights up occasionally The optimal level is when the 10 and 0 LED light up If only the 30 LED lights up or even doesn t come to life your S...

Page 10: ...tors and main loudspeakers 19 PHANTOM 48V SWITCH The LED indicates when the power is switched on in your PBM8 18 OPERATING LED DISPLAY This LED display will show you the Main Mix output level Make sur...

Page 11: ...a auxiliary input 25 STEREO RETURN JACK If you position this switch to the left you will route the signal fed into the TAPE IN sockets into CH9 10 path and the signal will be affected by channel level...

Page 12: ...24 bit 256 preset digital multi effects included in your PBM8 Effects include reverbs chorus flanger delay and combinations of the above For each of the 16 Factory Presets you can apply up to 16 vari...

Page 13: ...ONTROL ELEMENTS SPOTLIGHT 4 CONTROL ELEMENTS 11 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 W IRING MAY BE USED Use it to connect your PBM8 to the...

Page 14: ...onnecting a pair of headphones or a pair of powered studio monitor speakers 5 Position EQ controls on middle position 6 Position panoramic PAN control on center position 7 Increase the input gain prop...

Page 15: ...lanced Mic Inputs For unbalanced use connect pin 1 to 3 3 pin XLR Male Plug 2 Hot 3 Cold 1 Ground Screen 3 pin XLR Line Socket seen from soldering side 1 2 3 1 2 3 1 2 1 2 Speakon connector Use for Ma...

Page 16: ...switch This is the most common application The built in amplifier drives two man speaker cabinets Left and Right The AMPLIFIER MODE is on MAIN MAIN position With the AMPLIFIER MODE in MAIN MONITOR po...

Page 17: ...in your PBM8 drive together a single speaker cabinet with the sum of the power of the 2 amps Usually this solution is used to drive a single subwoofer and the MAIN OUT output on the front panel are us...

Page 18: ...nput sound on the stereo output with different time Recreate the illusion of more than one instrument from a single instrument sound Delay with room effect Stereo chorus and large room reverb Rate 1 2...

Page 19: ...17 7 BLOCK DIAGRAM...

Page 20: ...r greater Tape out 1 kOhm All other output 120 Ohm Equalization DSP Section Hi shelving 15 dB 12 kHz Mid bell 15 dB 2 5 kHz Low shelving 15 dB 80 Hz A D and D A converters 24 bit DSP resolution 24 bit...

Page 21: ...Weight PBM8 250 MKII Net 13 2kg 28 70lb Gross 15 93kg 35 11lb Dimension W D H 550 220 310 mm 8 66 12 20 21 65 PBM8 500 MKII 100 120V T10AL 210 240V T6 3AL PBM8 500 MKII Net 13 5kg 29 76lb Gross 16 26...

Page 22: ...riod of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product direct...

Page 23: ...otocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Tai...

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