BASSTODON
Bass guitar amplifier
User manual
SAFETY PRECAUTIONS
1. …………………………………………................
GENERAL INFORMATION
2. ……………………………………………………
Front panel
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Rear panel
3. ……………..…………………………………….………
GETTING STARTED
4. ..……………………………………….........
TECHNICAL SPECIFICATIONS
5. ………...…………………………………………
SUPPLIED ACCESSORIES
6. ………………………..........………….....................................
WARRANTY
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Never store or use this equipment in extremely humid conditions.
After a period of low-temperature storage or transportation please keep in
mind that it's necessary to let the amplifier warm up to room temperature
for 2 hours before turning it on.
Never expose this amplifier to direct sunlight or heating equipment.
Before plugging this equipment to an electrical socket, be sure that the
socket is earthed and the power conditions are compliant for this
equipment.
In case of fire/smoke unplug this equipment from the electric socket
immediately.
This amplifier should be switched off while making any connections
Protect this equipment from falling, impacts, foreign objects being
dropped inside, dirt , liquids and precipitations getting inside.
Unplug this amplifier from the electric socket if it's not used for a long
period of time.
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Basstodon is a bass guitar head amplifier. Being highly versatile and very
functional, Basstodon is able to work with cabinets of almost any wattage and
impedance, therefore letting the bass player obtain own unique tone depending on
playing style, musical material, either being in a studio or playing live as well. On
the front panel you can see the following control knobs: VOLUME, GAIN, BASS,
TREBLE, and also a parametric mid-range control – MID LO, MID HI and FREQ. If
a bass guitar is equipped with high-output pickups, there's a switchable pad of
-15 dB to avoid input overload, indicated by CLIP LED blinking.
On the rear panel you can find a TUNER OUT, an effect loop (SEND and
RETURN), balanced DI-OUT that can be adjusted with LEVEL DI-OUT control, a
preamp output marked as LINE OUT and SPEAKON connectors to run the amp
with 8 or 4 Ohm impedance cabinets.
DUAL/BRIDGE mode makes it possible to connect a single 8 Ohm or two 4 Ohm
cabinets to the amplifier.
Attention! It's prohibited to use additional cabinets while running the
amplifier using an 8 Ohm output.
While using two 4 Ohm cabinets connected to relevant outs , the amplifier runs
the DUAL mode. While using a single 8 Ohm cabinet, the amplifier runs the
BRIDGE mode. Wattage switch (50, 100, 200, 300, 400 Watt for DUAL mode or
100, 200, 400, 600, 800 Watt for BRIDGE mode) lets the player choose a suitable
mode to run the amplifier with cabinets of any wattage.
Front panel
BASSTODON
BASS AMPLIFIER 800W
POWER VOLUME
MID LO
BASS
130
110
100
FREQ
500
TREBLE
180
-15 dB MUTE
GAIN
600
MID HI
500
FREQ
750
1 K
3 K
21 3 5 8 10 124 6 97 11
1 - POWER
2 - VOLUME
3 - MID LO
– switches the power on and off
– volume control
– lower middle frequencies control knob
4 - BASS – low frequencies control knob
5 - FREQ – lower middle frequency adjustment (to select a needed frequency)
6 - TREBLE – high frequencies control knob
7 - -15 dB – input pad
8 - MID HI – higher middle frequencies control knob
9 – GAIN – input gain knob
CLIP
INPUT
13
10 - FREQ 11 - MUTE -
12 - INPUT 13 - CLIP -
Rear panel
higher middle frequency adjustment (to select a needed frequency)
input signal mute button
bass guitar input jack
LED input overload indicator
16
17
DI-OUT
EFFECT
DUAL BRIDGE
2x400W 1x800W
2x300W 1x600W
2x200W 1x400W
RETURN
LINE OUT
2x100W 1x200W
2 x 50 W 1 x100W
18
– interrupting the ground line from the DI-OUT outputs to avoid
GROUND LIFT DI-OU T LEVEL
LIFT
GND
TUNER OUT SEND
15
14 19 2120 22 23 24 25
14 - GROUND LIFT
8 Ohm 8 Ohm
O TPUTSUO TPUTSU
4 Ohm4 Ohm 4 Ohm4 Ohm
AC 100-240V 50/60Hz AC 100-240V 50/60Hz
T10AT10A
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ground loop noises
15 - TUNER OUT – an output designed for connecting a tuner
16 - DI-OUT – a straight, balanced bass guitar signal output
17 - SEND – an output designed to run an external signal processor
18 - RETURN – an input designed to connect wit the output of the external signal
processor
19 - DI-OUT – a straight, balanced bass guitar signal output
20 - LINE OUT – preamp line out
21 - DI-OUT - LEVEL – direct output level control knob
22 - maximum output wattage switch
23 - SPEAKER 8 Ohm – power out to connect an 8 Ohm external cabinet running the
amplifier the BRIDGE mode
24 - SPEAKER 4 Ohm – power out to connect a 4 Ohm external cabinet running the
amplifier the DUAL mode.
25 - SPEAKER 4 Ohm – power out to connect a 4 Ohm external cabinet running the
amplifier the DUAL mode
26 - main power input to connect the power cable equipped with main and backup
fuses
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Connect the amplifier to an 8 or 4 Ohm impedance cabinet.
Running cabinets with 8 and 4 Ohm outputs simultaneously is strictly
prohibited!
Please be sure that the amplifier's output wattage does not exceed the
cabinet wattage in order not to damage the cabinet!!!
Adjust the maximum output wattage using the dedicated switch in accordance to
the cabinets' wattage. Plug the supplied power cable to the main power input, then
plug it to an earthed electric socket.
Plug the instrument cable to the input jack on the front panel.
Turn on the POWER switch. Power on will be LED-indicated.
The amplifier is ready to use.
Using the GAIN control adjust the preamp until the CLIP indicator starts blinking
when playing loudest notes. Adjust the tone of the amplifier and the output volume
as desired.
To power off the amplifier turn the POWER switch down.
4. TECHNICAL SPECIFICATIONS
Input impedance, MOhm
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Maximum Output wattage, W
Power supply at 50/60 Hz, V
Power consumption, W t
at ..................................................................................
Dimensions, mm
Weight, kg
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t
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at ................
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1
800
100-240
1200
425õ172õ281
8,4
5. SUPPLIED ACCESSORIES
Basstodon bass guitar amplifier, pcs
Power cable pcs
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Acoustic cable pcs
1m, ............................................................ .................................
Spare fuse, T10A, placed in the power input compartment
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Owner's manual pcs
Cardboard box pcs
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1
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This amplifier has a limited 12 month warranty. The warranty period starts
from the day of purchase from a retailer. During the warranty period the owner
can repair the amplifier free of charge bringing it to the place of purchase with
a fulfilled warranty card.
Attention! If the warranty card is not fulfilled the right way, there's no
purchase date or there's no stamp of the retailer, the warranty period is to be
specified from the date of manufacturing.
There' s no warranty if:
an amplifier was damaged mechanically
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- the owner used the amplifier not according to the owner's manual
- the amplifier was modified or repaired by the owner or a non-authorized
service cente
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YERASOV MUSIC CORPORATION
www.yerasov.ru e-mail: sale@yerasov.ru
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