LY International Electronics PB4000, PB3500, PB3000 Owner's Manual

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P.A.SERIES

Very Powerful Public Address Amplifiers

PB3000
PB3500
PB4000

Before operating, please read this manual completely.

FEATURES

 Transformer isolated 100V(200V), 70Vand 4Ω speaker outputs.

 5-element indicator for status display.

 XLR socket and 6.35mm jack for link convenient.

 Output sort-circuit protection & display.

 Various models of very powerful output available.

O W M E R’ S M A N U A L

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AMPLIFIER FRONT VIEW

1. AC power switch（1 is power on

and the “power LED” is on ) 5. PROT LED indicator (DC or

2. POWER LED indicator output circuit shorted indicator)

3. CLIP LED indicator (Please reduce 6. TEMP LED indicator
the gain to prevent severely clipped (high temperature indicator)
waveforms reaching the loudspeakers) 7. Unit’s fan exhaust window

4. SIGNAL LED indicator (Output level) 8. Volume (input attenuator)

AMPLIFIER REAR VIEW AND CONNECTIONS

1. fan intake window 7. XLR input

2. 100V output(PB4000:200V) 8. 6.35mm socket input

3. 70V output（PB4000:100V） 9. 6.35mm socket link

4. 4-16Ωoutput 10.

XLR link

5. COM. output 11.

AC power cord

6. 220V AC fuse

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2 3 4

5 6 7 8

7 8 9 10 11

Pre Amp：

PB9811P

Another Amp：
PM series

or or

1 2

3 4 5

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