Fender Musical Toy Instrument Bassman 500 User Manual

OWNER’S MANUAL | MANUAL DE INSTRUCCIONES  
MODE D’EMPLOI | MANUAL DO PROPRIETÁRIO  
MANUALE UTENTE | BEDIENUNGSHANDBUCH  
INSTRUKCJA OBSŁUGI | NÁVOD K POUŽITÍ  
NÁVOD NA POUŽITIE | UPORABNIŠKI PRIROČNIK  
オーナーニュアル | 用户手册  
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Rear Panel  
O. POWER SWITCH — Press to the "ON" position to switch the  
amplifier on. Press to the "OFF" position to switch the amplifier off.  
R. FOOTSWITCH  
Plug the included footswitch in here to enable  
remote channel switching. When the footswitch is connected, the  
front panel CHANNEL SELECT switch {D} is disabled, but the channel  
indicator LEDs will operate normally.  
P. IEC POWER INLET Connect to a grounded outlet in accordance  
with the INPUT POWER voltage and frequency specified next to the  
power inlet on your amplifier.  
S. TUNER  
PREAMP OUT / POWER AMP IN  
jacks that can be used in a variety of configurations:  
1) Effects Loop Connect PREAMP OUTPUT to the input of your  
Connect your instrument tuner here.  
Multi-functional input/output  
Q. PARALLEL SPEAKER OUTPUTS Connect speaker cabinets here.  
Bassman 500 amps are equipped with combination speaker  
output jacks which allow you to use Speakon® or 1/4" (6.3 mm)  
effects device and connect PWR AMP INPUT to the output jack  
of your effects device. The signal level here is nominally line  
level (+4dBu) and is most suitable for professional rack-style  
effects. MASTER {K} affects the send level, and the effects  
device controls the return level.  
speaker cables.  
The power rating of the external cabinets should meet or exceed  
the rating listed on the amplifier. The MINIMUM impedance of all  
connected speaker cabinets is 4Ω. The following list shows some ac-  
ceptable parallel speaker cabinet combinations:  
2) Multiple Bassman® Amps  
Connect PREAMP OUTPUT on the  
primary unit to POWER AMP IN on an auxiliary unit. The knobs  
on the primary unit control the auxiliary unit.  
SPEAKER COMBINATIONS  
4Ω  
TOTAL IMPEDANCE  
U. LEVEL  
Use to adjust the output level of the XLR OUT jack {X} to  
4Ω  
accommodate the input sensitivities of outboard sound equipment.  
8Ω  
8Ω  
V. PRE POST Select "POST" to include all preamp signal  
/
8Ω + 8Ω  
4Ω  
adjustments {B–C or E–J} in the XLR OUT signal. Select "PRE" for a  
DIRECT tube driven signal, unaffected by preamp controls.  
8Ω + 16Ω  
5.33Ω  
4Ω  
W. GROUND  
/
LIFT  
Select "LIFT" to disconnect the ground  
8Ω + 16Ω +16Ω  
16Ω + 16Ω  
connection on the XLR OUT jack which may reduce hum or line  
noise in some situations. Normally leave this button out, in the  
"GND" (grounded) position.  
8Ω  
16Ω + 16Ω + 16Ω + 16Ω  
4Ω  
X. XLR OUT  
A balanced, line level output for connection to mixing  
IMPORTANT NOTE: Bassman 500 amplifiers include a digital power am-  
plifier that operates in bridge mode. Both the tip (+) and sleeve (–) have  
voltage present, so never ground either the tip (+) or sleeve (–) of the  
speaker cable. Always make connections with the power turned off, and  
use care when making connections with cables that have non-insulated  
(bare metal) type plugs. Using speaker cables with insulated bodies is  
preferred, but not required.  
consoles and recording equipment. Disconnect speakers {Q} for  
silent recording.  
( + )  
( - )  
Insulation  
Thermal Performance & Protection  
Bassman 500 amplifiers are equipped with variable speed fan cooling  
and thermal shutdown protection. The fan will start at a low speed and  
increase as you play harder. Leave at least 6 inches of clearance in  
the front and rear of your amplifier and and do not block the vents  
underneath the electronics chassis with cables or other objects  
stored in the cabinet. If the amplifier vents are blocked, or it is used  
in an extremely hot environment, the class-D amplifier may overheat  
and enter thermal protection causing the PROTECT LED to illuminate  
and the speaker output to mute temporarily. In the event of an output  
short circuit or over current situation (i.e. operating below minimum  
impedance) the class-D amplifier will enter protection causing the  
PROTECT LED to illuminate and the speaker output to mute temporarily.  
The class-D amplifier will automatically resume operation within a few  
seconds, when it has returned to a safe operating temperature and the  
fault has been removed.  
9
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Tube Replacement  
The Bassman® uses the following types of tubes:  
3) After the amplifier has cooled down, to gain access to the preamp tubes  
use a #2 Phillips screw driver to remove the 4 nickel screws holding the  
rear grille.  
Pre-Amplifier: Two 12AX7A tubes (V1, V2)  
5) You now have access to the tubes. Preamp tubes have metal shields  
that must be twisted and pulled down to remove them. Pull the tubes  
straight down to remove them. Caution: Excessive side-to-side motion  
could cause the Locator-Pin on the bottom of the tube to fracture in  
the socket, which will not be covered by the Fender Electronic Product  
Warranty to remove. If you are uncomfortable in performing this  
process please seek the assistance of an Authorized Fender Electronics  
Service Center.  
V2 (12AX7A)  
V1 (12AX7A)  
9) Replace the rear grille and install the four nickel mounting screws.  
10) Reconnect the speaker cable and any other signal cables you  
disconnected in step 1.  
(Chassis, bottom view)  
11) Reconnect the power cable.  
If your amplifier is not performing as it should, refer to the Troubleshooting  
section below. Generally speaking with most tube audio amplifiers the  
tubes are the most likely thing to fail and may be replaced without taking  
your amplifier to a qualified service technician. If any tubes need replacing,  
carefully read and follow these steps. If you do not feel comfortable replacing  
your amplifier's tubes, take it to an authorized Fender service center. All other  
service needs should be referred to an authorized Fender service center.  
There are no user serviceable parts inside the electronics chassis. Lethal  
voltages exist inside your tube amplifier! Tube amplifier components get  
very hot! Failure to follow all these instructions may result in damage to your  
amplifier, or personal injury!  
Note on Handling Tubes:  
It is important not to leave fingerprints, grease, or other  
foreign substances on the glass surface of the tubes. This  
is especially important for the power output tubes. If  
fingerprints or other substances are left on the surface  
of the tube, they will cause the tube to become hotter  
than normal in that spot, which can lead to cracks in the  
glass and premature failure of the tube. Some people  
recommend not touching the tubes with bare hands at all. However, it this is  
usually impossible to avoid. Take the following steps to ensure that the tubes  
are clean and will have the maximum possible life:  
How to Replace the Tubes on your amplifier:  
1) Wash your hands before handling the tubes.  
2) Avoid excess handling of the tubes.  
1) Turn off the amplifier and remove the power cable from the IEC inlet {P}.  
You might also want to disconnect other cables (such as the speaker,  
line-out, effects loop, etc) so that they are not in the way.  
3) After installation of the tubes, wipe them with a clean cloth to remove  
any fingerprints or foreign substances.  
2) Caution! The tubes get very hot during operation and may cause burn  
injuries. Wait for the amplifier to cool down before proceeding to the  
next step.  
Troubleshooting  
PROBLEM: I cannot hear any sound coming out of my Bassman, but my  
instrument is plugged in and the power to the amplifier is turned on and the  
red jewel {N} on the front is glowing.  
PROBLEM: No sound is coming from the amplifier when the instrument is  
connected to INPUT {A}, but the amplifier DOES work when connecting the  
instrument directly into the POWER AMP INPUT {V}.  
SOLUTIONS:  
SOLUTIONS: One of the preamp tubes V1 or V2 (both 12AX7) is bad. If  
the amplifier works normally in the 'VINTAGE' channel, but does not work  
properly in the 'OVERDRIVE' channel (unless BLEND {F} is set to "1"), replace  
preamp tube V2 with a new tube. Otherwise, replace preamp tube V1 with  
a new tube.  
Make sure the VOLUME knobs {B and G} and MASTER Volume {K} are set  
above "1."  
Make sure that the MASTER Volume knob {K} is pressed in (defeat "MUTE").  
If outboard gear is connected in the effects loop {T} (between PREAMP  
OUTPUT and PWR AMP INPUT) make sure it is turned on and functioning.  
If unplugging the cable from the PWR AMP INPUT jack solves the problem,  
the problem is in the outboard gear in the effect loop, not with the  
Bassman.  
PROBLEM: Amplifier feeds back creating a loud high-pitched sound, even  
when no instrument is connected, and especially when Volume, Gain, or  
tone controls are at high settings in either channel. -OR- The amplifier creates  
unintentional ringing noises, which sound like chimes, while playing certain  
notes. -OR- Mechanical noises like tapping on the amplifier chassis (i.e. with a  
pick or drumstick) are picked up and amplified through the speakers.  
Verify that the speaker cable is connected properly between the PARALLEL  
SPEAKER OUTPUTS {Q} and speaker cabinets.  
Try replacing the speaker and instrument cables.  
Try a different instrument.  
SOLUTIONS: Preamp tubes are becoming “microphonic.” Replace V1 and/  
or V2 (both 12AX7) with a new tube. If the problem only occurs in the  
'OVERDRIVE' channel, try replacing V2 first.  
If none of these solutions solve the problem, investigate the pre-amp tubes  
(see below).  
10  
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Block Diagram  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Specifications  
MODEL:  
TYPE:  
Bassman 500  
PR 2809  
POWER  
REQUIREMENTS:  
OUTPUT:  
950W  
350W into 8Ω  
500W into 4Ω  
INPUT IMPEDANCES  
OUTPUT IMPEDANCES  
INPUT 1:  
INPUT 2:  
POWER AMP:  
>820kΩ  
136kΩ (-6dB)  
20kΩ (balanced)  
XLR OUT:  
TUNER:  
PREAMP:  
50Ω (balanced)  
220Ω (balanced)  
220Ω (balanced)  
TONE CONTROLS VINTAGE  
TONE CONTROLS OVERDRIVE  
SPEAKERS (RECOMMENDED):  
BASS:  
MID:  
TREBLE:  
10dB range @ 40Hz (MID: 5, TREBLE: 5)  
15dB range @ 400Hz (BASS: 5, TREBLE: 5)  
9dB range @ 4kHz (BASS: 5, MID: 5)  
BASS:  
MID LEVEL/FREQ:  
TREBLE:  
15dB @ 80Hz (Deep: –18dB @ 640Hz)  
18dB @ 200Hz to 3.3kHz  
15dB @ 4kHz (Bright: +10dB @ 6kHz)  
Bassman 810 (P/N: 2249200000)  
Bassman 610 (P/N: 2249300000)  
Bassman 410 (P/N: 2249400000)  
Bassman 115 (P/N: 2249500000)  
TUBES:  
Two 12AX7A (P/N: 0013341000)  
ACCESSORIES (INCLUDED)  
DIMENSIONS  
FOOTSWITCH:  
1-button, Vintage (P/N: 0057172000)  
HEIGHT:  
WIDTH:  
DEPTH:  
8.6 in (21.7 cm)  
22.7 in (57.6 cm)  
10.5 in (26.7 cm)  
WEIGHT:  
17 lb (7.7 kg)  
Product specifications are subject to change without notice.  
11  
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PART NUMBERS / REFERENCIAS / RÉFÉRENCE / NÚMERO DAS PEÇAS / NUMERO PARTI / TEILENUMMERN  
NUMERY REFERENCYJNE / REFERENČNÍ ČÍSLA / REFERENČNÉ ČÍSLA / REFERENČNE ŠTEVILKE / 部品番号 型号  
/
Bassman 500  
2249600000 (120V, 60Hz)  
2249601000 (110V, 60Hz) TW  
2249603000 (240V, 50Hz) AU  
2249604000 (230V, 50Hz) UK  
2249605000 (220V, 50Hz) ARG  
2249606000 (230V, 50Hz) EU  
2249607000 (100V, 50/60Hz) JP  
2249608000 (220V, 50Hz) CN  
2249609000 (220V, 60Hz) ROK  
2249613000 (240V, 50Hz) MA  
有毒有害物质或元素  
(Hazardous Substances’ Name)  
部件名称  
(Part Name)  
(PB)  
(Hg)  
(Cd)  
六价铬 多联苯 二苯醚  
(Cr6+)  
(PBB)  
(PBDE)  
部分电子元件  
x
x
x
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
部分机器加工金属部件  
部分其他附属部件  
O: 表示该有毒有害物质在该部件所有均质材料中的含量均在 SJ/T 11363-2006 规定的现量要求以下  
X: 表示该有毒有害物质至少在该部件的某一均质材料中的含量超 出 SJ/T 11363-2006 规定的现量要求  
AMPLIFICADOR DE AUDIO  
IMPORTADO POR: Fender Ventas de México, S. de R.L. de C.V.  
Calle Huerta #279, Int. A. Col. El Naranjo. C.P. 22785. Ensenada, Baja California, México.  
RFC: FVM-140508-CI0  
Servicio al Cliente: 01(800) 7887395, 01(800) 7887396, 01(800) 7889433  
A PRODUCT OF:  
FENDER MUSICAL INSTRUMENTS CORPORATION  
CORONA, CALIFORNIA, USA  
Fender®, Bassman® and Delta-Comp™ are trademarks of FMIC.  
Other trademarks are property of their respective owners.  
Copyright © 2014 FMIC. All rights reserved.  
P/N 7707241000 rev a  
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