Phil Jones Bass PJB DOUBLE FOUR Owner's Manual page 6

6. Mid Range Control
This gives the "voice" of your instrument. Generally you will find that cutting this
control instead of boosting will have more of a truer bass sound. Boosting may be
useful for soloing or special effects.
7. Treble Control
This gives the instrument the definition to the sound. Boosting it for "slap" bass or
cutting back for "Reggae" bass sound.
If you boost excessively you may get more noise as hiss and that could be due to the
noise coming from the pre amp in your bass or a poorly shielded instrument cable.
PJB has a dedicated bass instrument cable (Model BI-12) that is totally noise free and
actually will improve the tone of your instrument.
8. Master Volume
This controls the volume of both instrument and auxiliary input.
9. Auxiliary Input Level
Adjust this to balance you backing track to your bass level.
10. Auxiliary Input Jack
This is a stereo mini jack and can accept any signal from iPod, iPad, computer or
drum machine.
11. Line output jack
The pre amp in the DOUBLE FOUR is recording studio quality so the line out is a
very pure signal for recording or driving another amplifier.
12. Headphone Jack
You can use any kind of stereo headphones on this jack but remember you will only
sound good in your headphones if they are high quality. Don't try using those cheap
ones you get with a phone, you will be disappointed. W e recommend the best you can
afford and PJB have designed a high quality headphone (model HD850) that can
handle bass guitar (many can not!) and they sound great on music too.
13. Power Switch
This switches off the amplifier from the DC supply but AC signal will still be in the
external supply. We advise that you disconnect the power supply from AC source if
you do not intend to use the DOUBLE FOUR for long periods of time.
14. Power Indicator
Will light up when you have DC supply connected and amp switched on.
15. DC Input
Connect the PJB DC pow er supply supplied with D OUBLE FOUR here. DO NOT
USE ANY OTHER POWER SUPPLY AS TH IS WILL DAMA GE YOUR
AMPLIFIER!
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