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PHIL JONES BASS
PJB BP-800
OWNER’S MANUAL
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Thank you for purchasing the PJB BP-800. A great deal of dedicaon and passion
went into designing and building this no compromise, high-performance compact
amplifier.
We have used only the finest components from around the world to create the BP-800.
Reading this manual will enable you to get the best performance that you may
enjoy many years of service from it.
READ THIS FIRST
• Before using the BP-800 please read ALL the instrucons.
• On receipt of product, check for any signs of physical damage arising from shipping.
If any damage is visible contact your dealer.
• If possible, keep all original packing.
• Never use this product in the vicinity of water.
• Do not use this amplifier in a way that would compromise its venlaon system.
• Do not locate this amplifier near any heat source.
• This amplifier must be connected only to a power source specified in this manual.
• For safety do not leave the amplifier plugged into a power source for long periods of
me when not in use as it is possible that electrical power surges from thunderstorms
can hurt the amplifier.
• Do not let any liquid or foreign objects fall into any openings on the amplifier.
• Never use this amplifier if it has:
1. Suffered any physical damage.
2. Been subjected to : any liquids, rain or moisture.
3. Damaged cables connected to it.
If any of the above occurs, the amplifier should be examined by qualified service
personnel.
• Always operate this amplifier with the correctly rated fuse.
• Never use this amplifier without proper grounding.
• The mains plug is used as disconnect device, the disconnect device shall remain
readily operable.
• Protecve earthing terminal. The apparatus should be connected to a mains
socket outlet with a protecve earthing connecon.
• Correct Disposal of this product. This marking indicates that this product should
not be disposed with other household wastes throughout the EU. To prevent possible
harm to the environment or human health from uncontrolled waste disposal,
recycle it responsibly to promote the sustainable reuse of material resources.
• The apparatus shall not be exposed to dripping or splashing.
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The BP-800 is a high power 800 wa D-Class power amplifier and a pure class A single
channel pre-amplifier housed in a machined aluminum enclosure.
D Class amplifiers are highly efficient and therefore produce far less heat than the
convenonal class AB amplifiers. Therefore no cooling fan is required in this design
which makes the amplifier an ideal unit for low volume operaon and studio work.
The physical shape and light weight allows this amplifier to be carried in the musician’s
instrument gig-bag
FEATURES
• A switchable input, for acve (high-output) and passive (high pickup impedance)
basses.
• Single switch ACTIVE/PASSIVE/MUTE.
• Variable input sensivity control to match instrument output with amplifier.
• Input overload indicator.
• Sub sonic filter to reduce excessive loudspeaker cone moon.
• Dedicated 5-Band EQ for total tonal control of instrument.
• Auxiliary input for other audio sources with Volume control.
• Headphone out jack.
• Easier to see, Larger master volume control knob.
• Balanced line out with per/post EQ and ground li switches.
• Power amp input (Line In jack).
• Pre amp output (Line Out jack).
• FX send/return jacks.
• Neutrik NL4 Speakon out, high-current socket.
• Main Power on/off switch.
• IEC AC input 100-240 volts AC.( Operates on all world voltages).
• No fan: noiseless cooling.
OVERVIEW OF THE BP-800 AMPLIFIER
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FRONT PANEL AND BACK PANEL OVERVIEW
5 6 7 8 9
1
2
3
POWE R
MUTE
ACTIV E
PASSIV E
OVERL OAD
LO- BASS HI- BASS
MIN MAX
AUX I N
MIN MAX
HEA DPHON E
MID
MIN MAX
LO- TREBL E
MIN MAX
HI- TREBL E
MIN MAX
4
INP UT
15
DI OU T
PH IL J ONE S BA SS
INP UT LEVEL
10 11 12 13
POS T
LIF T
18
LIN E IN
LIN E OUT
20
FX SE ND
FX RE TURN
SPE AKER OU T
MIN IMUM IM PEDANC E
16
PRE
GND
MAXMIN
4 OHM S
AUX L EVEL
MAXMIN
ON
100 - 24 0V~ 50 / 60 Hz
Powe r Consu mptio n:950 W
VOL UME
14
23
POW ER
I
I
AC~ INPUT
MAXMIN
OFF
O
1917
21 24
22
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FRONT AND BACK PANEL DESCRIPTION
1. POWER ON INDICATOR
2. MUTE/ACTIVE/PASSIVE SELECTOR SWITCH
3. OVERLOAD INDICATOR
4. INSTRUMENT INPUT JACK
Bass instrument in here.
5. LOW BASS EQ CONTROL
This will adjust the fundamental tones of E and A strings on 4 string basses and B,
E & A on 5 string basses.
6. HIGH BASS EQ CONTROL
This will adjust the fundamental tones of D and G-strings on 4 & 5 string basses.
7. MID RANGE EQ CONTROL
8. LOW TEBLE EQ CONTROL
9. HIGH TREBLE (PRESCENCE) EQ CONTROL
10. AUXILLARY STEREO INPUT JACK
11. HEADPHONE OUT SOCKET
This jack accepts 3.5mm stereo headphone jacks. When a headphone is connected
to the jack, the speakers will be muted.
12. INSTRUMENT INPUT LEVEL
13. AUXILLARY INPUT LEVEL
14. MASTER VOLUME CONTROL
15. BALANCED LINE OUT XLR SOCKET
This is a low impedance (200Ω) balanced line out for use with recording or PA
mixing consoles. This output is not controlled by the volume control.
Changing the level on your instrument will however, vary the DI output.
16. PRE/POST EQ BALANCED LINE OUT
17. GROUND LIFT BALANCED LINE OUT
This allows the grounding of balanced out socket to be disconnected. This is useful
if you are experiencing hum caused by grounding loops/problems.
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18. LINE IN: TO POWER AMP BYPASSING THE PRE-AMP
19. LINE OUT
FROM PRE-AMP, can be used for driving a second amplifier
20. FX SEND
Line out to FX pedals or FX rack unit.
21 FX RETURN
Line in from output of FX pedals or FX rack unit.
22. SPEAKER OUTPUT:
The BP-800 amplifier will work on any load from 16Ω down to 4Ω, which is the safe
maximum load for this amplifier. The jack sockets are in parallel so connecng two
8Ω speakers will result in a 4Ω total load. We recommend that you use PJB high
current speaker cables; which are dedicated high-current, low-resistance cables.
Using inferior cables will greatly impair the performance of your system, even more
so if you are running a 4 ohm speaker load.
Just to avoid any confusion, a speaker that has low impedance has a greater load
on the amplifier. So a maximum load refers to minimum speaker impedance as more
current is flowing through the amplifier’s output stage, speaker cables and cabinets.
23. MAIN POWER ON/OFF SWITCH
24. AC INPUT
AC (IEC) SOCKET can plug in from 100 VOLTS to 240 VOLTS.
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OPERATION & POSITIONING
TURN THE VOLUME DOWN on the BP-800 before plugging in your instrument.
Connect the speaker or speakers to the BP-800. For best results with this amplifier
you should use PJB loudspeaker cabinets and PJB cables. We highly recommend the
PJB SS-4 speaker cables for amplifier to cabinets. As they have virtually no loss so
there is maximum transfer of power from amplifier to speaker.
Try not to excessively boost the EQ on bass frequencies as this may hurt your speakers.
If you hear that your speakers are distorng and the overload indicator is on, TURN
DOWN THE VOLUME CONTROL!
The BP-800 amplifier is rated as 800 was into 4 ohms but that does not mean it is
the maximum output power. This is the output power without audible distoron.
Hard driving the BP-800 can cause it to put over power beyond 1000 was with
distoron. It is always a good idea to have speaker power handling to be double the
amplifier power rang. If the amp is subjected to some kind of overload signal, then
the speakers won’t blow.
For the best possible sound we recommend you use the PJB BI-12 instrument cable
as it has very low self-capacitance and absolute shielding resulng in greater
transparency of sound and less noise. Using this cable will give a richer tone to your
instrument.
ALWAYS USE A HIGH QUALITY GROUNDED AC POWER CABLE. NEVER USE THIS
AMPLIFIER WITH THE GROUND CONNECTION REMOVED.
TRANSPORTING AND STORING THE BP-800
When Storing:
• Keep in a dry locaon preferably at room temperature in the gig bag.
• Do not store in temperatures below -20 Degrees C or above 40 Degrees C.
• Do not allow it to get wet. If this occurs, never turn it on in this condion.
• Do not leave the BP-800 permanently connected to a power source.
Transporng
Always use a protecve case, gig bag or cover to prevent damage.
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SPECIFICATIONS
Amplifier
800 Was D class amplifier with digital switch mode power supply.
Frequency Response
Passive and Acve input: 25Hz - 20KHz
Low Cut Filter: 24dB/Octave at 25Hz
Maximum Output Power
At least 500 was RMS at 8 ohms
At least 800 was RMS at 4 ohms
Signal to Noise Rao
Beer than 92 dB (EQ off, Volume on Full.)
Impedance
Passive Input: >4MΩ/22pF Acve Input: >100KΩ/22pF Line Input: >75KΩ
Pre Amp Line Out: < 2KΩ
Bal.Out: <200Ω
Levels
Passive Input: 10mV-2.5V Acve Input: 20mV-5V
Pre Amp Out: 1.2V
FX send: 1V
Bal.Line Out: Typical 600mV
EQ: CENTER FREQUENCIES
50Hz, 160Hz, 630Hz, 2.5KHz,12KKz at +/- 18dB
Dimensions(WxDxH): 7.5x13x2.8 (inchs)
Weight: 6 lbs / 2.7 kg
The BP-800 comes with a 12 AC Grounded Power Cord.
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SERVICE/WARRANTY INFORMATION
PJB amplifiers carry a 2 years limited warranty on parts and labor.
Products must be purchased from an authorized PJB dealer.
Buyer must complete and return the enclosed warranty card within 15 days of
purchase, or register online by www.pjbworld.com
This warranty covers defect in materials or workmanship that occurs in normal use.
Within warranty period PJB or its local distributor will repair or replace the defect
unit free of labor and parts charge. It is the buyer’s responsibility to use the unit
strictly according to instrucons wrien in the owner’s manual.
This warranty is not transferable; it is provided to original owner only.
Damage/defects caused by the following condions are not covered by this warranty:
• Improper handling, neglect or failure to operate the unit in compliance with the
instrucons given in user manual;
• Connecon or operaon in any way that does not comply with the technical or safely
regulaons applicable in the country where the product is used;
• Repairs or modificaons by anyone other than authorized PJB service agent;
• Damages/defects caused by force majeure or any other condion that is beyond the
control of PJB.
IMPORTANT:
• In all warranty issues your first line of communicaon should be to the retailer you
purchased from, even if you have purchased product from an online source.
• When a local distributor is available, customer who prefers to purchase across
country online maybe required to pay shipping charges to retailer in order to obtain
service.
Further quesons, please contact PJB by email info@philjonespuresound.com, or call
314-814-3383.
PHIL JONES BASS
American Acousc Development LLC
8509 Mid County Industrial Dr, St Louis, MO 63114 USA
Tel: 855-BASS-510
(855-227-7510)
www.pjbworld.com
support@philjonespuresound.com
For servicing outside USA please contact our distributor in your country. Informaon
can be found on our website.
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PHIL JONES BASS
American Acousc Development LLC
8509 Mid County Industrial Dr, St Louis,
MO 63114 USA
Tel: 855-BASS-510
(855-227-7510)
www.pjbworld.com
Printed in China
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