Ampeg BA300 Benutzerhandbuch

1.  0 dB INPUT: This.input.accepts.a.stan-

dard.1/4".instrument.plug.from.your.

bass..Connect.your.guitar.to.the.ampli-

fier.using.a.shielded.instrument.cable..

This.input.is.suited.for.use.with.instru-

ments.that.have.passive.electronics.

2.  –12 dB INPUT:.This.input.accepts.a.

standard.1/4".instrument.plug.from.

high-output.basses..This.input.is.pad-

ded.by.12.dB.to.compensate.for.higher.

output.sources,.and.is.suited.for.use.

with.basses.that.have.active.electronics.

or.high-output.pickups..Use.this.input.if.

you.notice.the.peak.LED.[3].comes.on.

regularly.when.using.the.0.dB.input.

3.  PEAK/MUTE LED:.This.red.LED.flash-

es.when.the.input.signal.peaks,.and.

lights.continuously.when.Mute.is.active.

4.  MUTE:.This.mutes.the.signal.input..Only.

the.tuner.output.will.have.a.signal.from.

your.guitar,.so.you.can.tune.your.guitar.

with.the.amp.muted.

COMPRESSOR SECTION
5.  LED:.This.yellow.LED.lights.when.the.

signal.level.is.above.the.compressor.

threshold.and.gain.reduction.is.active.

6.  THRESHOLD:.Adjusts.the.compressor.

threshold.through.a.range.of.–6.dBV.

(fully.counter-clockwise.position).to..

–30.dB.(fully.clockwise.position).

7.  ON/OFF:.Activates/deactivates.the.

compressor.

PRE AMP SECTION
8.  VOLUME:.This.varies.the.amount.of.

signal.driving.the.preamplifier.

9.  ULTRA HI:.This.switch.activates.a.high.

frequency.boost.circuit,.resulting.in.a.

+9.dB.boost.at.8.kHz.

10.  ULTRA LO:.This.switch.activates.a.low.

frequency.boost.circuit,.resulting.in.a.

+9.dB.boost.at.100.Hz.

11.  STYLE:.This.five-position.switch.allows.

you.to.control.the.tone.of.the.amplifier..

Experiment.with.the.style.and.other.EQ.

controls.to.find.your.favorite.settings:

1:.–25.dB.cut.at.500.Hz
2:.–12.dB.cut.at.500.Hz
3:.Flat
4:.+5.dB.boost.at.2.kHz.and.above
5:.–6.dB.cut.at.50.Hz.and.below

12.  BASS:.This.provides.an.adjustment.

range.of.±18.dB.at.40.Hz.

13.  MIDRANGE:.This.provides.an.adjust-

ment.range.of.±18.dB.at.400.Hz.

14.  TREBLE:.This.provides.an.adjustment.

range.of.±18.dB.at.10.kHz.

15.  MASTER:.Use.this.to.control.the.overall.

system.volume.

16.  POWER SWITCH:.Use.this.illuminated.

switch.to.turn.the.overall.system.power.

on.or.off..