AMT E1 Manual de Usario

AMT No categorizado E1

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1 1
AMT LA E-1 – one-channel preliminary guitar amplifier.
Designed to be connected directly to power amplifier input
or RETURN connector.
SAFETY RULES
CAUTION! The unit contains no user-serviceable parts. Only
qualified professionals can carry out repair of the device.
WARNING! To avoid malfunctions, the device must not be exposed
to rain or moisture. The device interior must not be exposed to
water or other liquid. Do not place containers filled with liquids,
such as vases, etc. on top of the device.
This symbol indicates important information about the
operation of the device and its servicing as reflected in the
accompanying documentation.
Please read the instruction manual carefully.
1. Keep the instruction manual at hand.
2. Please pay attention to the warning signs.
3. Do not forget to follow all the instructions contained in the
manual.
4. Before cleaning the device unplug it from the power adapter.
Use only dry cloth to clean the device.
5. Do not place the device near heat sources; avoid direct
sunlight.
6. Lay the mains cord in such a way that it is not stepped upon.
Make sure it is not in contact with sharp angles etc. If the
mains plug or the socket of the adapter is used to switch the
device off, they must be easily accessible.
7. Use only auxiliary devices and accessories recommended by
the manufacturer.
8. Disconnect the device from the power adapter (when using
power adapter) during thunderstorm.
9. If you don’t use the device for a long time, please remove the
battery from the device.
10. Any works, related to the device repair must be carried out
only by qualified service personnel.
11. WARNING! All service instructions are intended exclusively for
qualified personnel. Do not carry out any repairs not described
in the instruction manual. The repair works must be carried out
only by qualified specialists.
Contents
Important instructions 1
Complete set 1
Introduction 2
Before you start 2
Specifications 2
Power adapter low-voltage connector contacts arrangement 2
Controls 3
Top panel 3
Right panel 3
Only for qualified service personnel 3
Battery installation (replacement) 3
Audio connections and switching 3
Audio connections (1-channel preamp) 3
Audio connections (2-channel preamp) 3
Audio connections (4-channel preamp) 4
Block diagram 4
IMPORTANT INSTRUCTIONS!
THE FAILURE TO OBSERVE THE FOLLOWING INSTRUCTIONS MIGHT
RESULT IN YOUR DEVICE DAMAGE. THE GUARANTEE IS VOID IF THESE
INSTRUCTIONS ARE NOT FOLLOWED.
¾ After transportation or storage of the device under low
temperatures keep the device inside its original packaging
under the room temperature for AT LEAST 2 HOURS before
using it!
¾ To connect the guitar preamp to other devices use
exclusively the cables intended for such connections.
¾ DO NOT use other types of cables e.g. speaker cables and
so on.
CONNECTION of the guitar preamp to the power adaptor:
¾ The connection to the power adapter is to be made only
when all other audio connections have been completed.
¾ Before connecting the guitar preamp to the power adapter
make sure that the housing, the cable and the mains plug
of the power adapter are intact: no cuts, cracks, dents etc.
and are in operative condition.
¾ In order to connect the preamp to the power adapter FIRST
insert the power adapter low-voltage connector to the
corresponding socket on the right panel of the preamp and
THEN insert the power adapter’s plug into the mains.
DISCONNECTION of the guitar preamp from the power adapter:
¾ To disconnect the guitar preamp from the power adapter
FIRST disconnect the power adapter’s plug from the mains
and THEN disconnect its low-voltage connector from the
socket on the right panel of the guitar preamp.
COMPLETE SET
The complete set includes:
1. The guitar preliminary amplifier 1
2. Instruction Manual 1
3. Packaging box 1
4. Warranty card 1
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2 2
INTRODUCTION
Legend Amps E-1 guitar preliminary amplifier is intended for both studio work and
live performances.
“AMT Legend Amps” is the new revolutionary series of 1-channel
JFET-based preamps from AMT Electronics, designed as a result of
totally different approach to the guitar sound formation.
In the basis of the new series of guitar preliminary amplifiers lies the technology of
analog modeling of the physical processes occurring within the real triode tube
during guitar sound clipping.
It became possible thanks to the application of authentic circuitry design solutions.
The overamplification channels structure complies with the processes occurring in
real tube-based devices. Due to that we managed to build the structure of sound
clipping, dynamics and scope very close to those in popular tube-based amplifiers.
Having minimum sizes and power consumption characteristic to semi-conductors,
the effects of AMT Legend amps series possess a number of unique features
inherent in full-scale tube-based preamps and amplifiers:
9 The preamps of the AMT Legend Amps series provide excellent playing
dynamics characteristic for full-scale tube-based amplifiers and are in no way
inferior to them.
9 With the clipping scope similar to the tube-produced one, the effects of the
series give you terrific density and power of sound. Using AMT Legend Amps
you won’t feel like cutting out the most informative middle frequencies, which in
turn will provide great readability of your guitar in any mix.
9 The preamps of AMT Legend Amps series, like tube preamps, provide players
with gradual increase of the number of clipping stages as sensitivity grows.
9 The preamps of the series use passive circuits of tone shaping completely
corresponding to the controls used in original tube-based overdrive.
9 The high level of the output signal in AMT Legend Amps (+10dB at max
position of Level) corresponds to the output signal levels of real tube-based
preamps. Thus, you have adjustable signal level allowing you to connect your
preamp to any input (RETURN, DIRECT, LINE and so on), including INPUT
POWER AMP.
The architecture and features of the guitar preamps of “AMT Legend
Amps” series:
9 The preliminary amplifiers of the series are one-channel devices with passive
bypass.
9 The devices of Legend amps series are equipped with 2 outputs: direct
preamp OUT and CAB.SIM - a separate output for connection to “line in”.
The sound character of E-1 guitar preamp (AMT Legend Amps
Series):
Legend Amps E-1 is the preliminary amplifier for the fans of “ ”juicy sound with
resilient mids. It emulates the Lead channel of such legend as ENGL Fireball.
AMT Legend Amps E-1 is the resilient, aggressive distortion, which ENGL amps are
famous for. The wide range of sensitivity adjustment allows you to receive classic
biting rock sound with minimum efforts. At bigger distortion the sound acquires
“ ”metallic colors with great sustain, bright flageolets and readability of even complex
chords at any distortion level characteristic for Engl amps.
CAUTION! The AMT Legend Amps series preamps, as any
other top class devices, are very demanding when it comes to
ower source quality. We insist that you use either a 9V battery
6F22 or the power adapter corresponding to the necessary quality
requirements (recommended: AC/DC Adapter SA09DC-9V 1.11A or
AC/DC Adapter SA12DC-12V 1.25A).
the p
Before you start
To ensure safe transportation the unit was carefully packed at the manufacturing
facility. However, if the packaging box is damaged, you should immediately inspect
the unit visually for the lack of external damage.
¾ If you detect any damages, please DO NOT send the device to
the manufacturer’s address, but notify the seller or
transportation company, otherwise you’ll lose your right to
compensation.
¾ In order to avoid damages during storage or transportation
please use the original packaging at all times.
¾ Do not allow children to play with the device or the packaging.
¾ Please recycle all packaging materials to avoid any harm to
environment.
¾ To avoid the device overheating provide sufficient air
circulation around it. Do not cover it and don’t place it close to
heat-emitting sources.
¾ Using the device near powerful radio transmitters and high
frequency sources might result in significant worsening of
sound quality. If this is the case, increase the distance
between the device and transmitter and use shielded
cables for all connections.
WARNING!
Please mind that high sound volume can damage your ears
and/or speakers. Before switching the device on turn VOLUME
control to the extreme left position (counter clockwise). Try to
stick to a moderate sound volume at all times.
Specifications
Use only auxiliary devices and accessories recommended by
the manufacturer.
IN Input
Impedance 1,0 MОhm
Nominal sensitivity -20dB
OUT Output
Output impedance 10kОhm
Output signal level +10dB
CAB.SIM. Output
Output impedance 10kОhm
Output signal level -10dB
Power supply Battery 6F22
Voltage DC 9V
Current consumption
A
ppro
x
. 6mA
Power adapter (optional) Recommended:
A
C/DC Adapter SA09DC-9V 1.11A;
A
C/DC Adapter SA12DC-12V 1.25A
Voltage DC 9V or DC 12V
Dimensions / Weight
NET dimensions (Wх хH D). 111х х58 73 mm
NET weight (w/o battery) 0.23 kg
GROSS dimensions (Wх хH D).
A
ppro
x
. 125х х83 103 mm
GROSS weight (w/o battery)
A
pprox. 0.3 kg
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3 3
CONTROLS
FRONT PANEL
1. Guitar preamp operation indicator.
2. LEVEL – controls the output volume level of the preamp.
3. OUT – for connection to the power amplifier’s input.
4. CAB.SIM. – for connection to Line Input of a mixer
5. LOW – sets the low frequencies level.
6. MID – sets the middle frequencies level.
7. HIGH – sets the high frequencies level.
8. IN – for guitar connection.
9. GAIN – sets the guitar preamp sensitivity level.
10. FOOTSWITCH – switches between PREAMP / BYPASS.
Right Panel
11. Power adapter connector.
12. Bottom cover of the guitar preamp.
WARNING! All connections must be made only when the guitar
preamp has been SWITCHED OFF (BYPASS” mode)!
Only for qualified personnel
There are no user-serviceable parts inside the device. The device
must be repaired only by qualified specialists. If the device has
not been used for a long time, it is necessary to remove the
battery from the device.
To avoid any possible damages or injuries related to inflammation
or electric shock, do not let any foreign objects get inside the
device.
Battery installation (replacement)
Only use replacement batteries recommended by the manufacturer.
To install (replace) a battery:
1. Remove the bottom cover of the guitar preamp (12) by means of
unscrewing 4 (four) screws.
2. Remove the old battery and disconnect it from the device.
3. Connect the new battery to the device and replace it.
4. Replace the preamp bottom cover and fasten it by means of the 4 (four)
screws.
AUDIO CONNECTIONS AND SWITCHING
CAUTION! All connections are to be carried out only w
eamp has been disconnected from the mains. (BYPASS
mode)!!
hen
the pr
The diagrams of possible audio connections of the E-1 guitar preamp with
external devices:
One-channel connection version
Two-channel connection version.

Especificaciones del producto

Marca: AMT
Categoría: No categorizado
Modelo: E1

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