AMT F1 Bruksanvisning
Läs nedan 📖 manual på svenska för AMT F1 (4 sidor) i kategorin Gitarrförstärkare. Denna guide var användbar för 7 personer och betygsatt med 4.5 stjärnor i genomsnitt av 2 användare
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Safety Instructions
CAUTION! There are no user-serviceable components inside the device. Only
qualified specialists must perform the device repair.
WARNING! To avoid possible malfunctions the device must not be exposed to rain
or moisture. Prevent water or other liquids from getting inside the device. Do not
place vessels filled with liquids (such as vases etc.) on top of the device.
This symbol points out important information related to the
device maintenance and operation, which can be found in the
accompanying documentation.
Please read the instruction manual carefully.
1. Keep the manual at hand.
2. Pay close attention to the warning instructions.
3. Adhere to all maintenance instructions.
4. Uses only dry cloth to clean the device, which must be
disconnected from the power adapter.
5. Do not place the device next to heat sources, avoid direct
sunlight.
6. Lay the power cable in such a way that it is impossible to be
stepped on. Besides, avoid its contacts with sharp angles etc.
If the plug of the power adapter is used for the device
disconnection from mains, it must be easily accessible.
7. Use only auxiliary devices and accessories recommended by
the manufacturer.
8. Turn the device off during thunderstorms.
9. All works related the device repair must be carried out only by
qualified servicing personnel.
10. IMPORTANT! All servicing instructions are intended exclusively
for qualified personnel. Do not carry out any repair works not
specified in the instruction manual. All repair works are to be
carried out by qualified personnel only.
Contents
Important instructions 1
Complete set 1
Introduction 2
Before you start 2
Specifications 2
Controls 3
Top panel 3
Right panel 3
Left panel 3
Only for qualified personnel 3
FX.LOOP mode switch 3
Audio connections and switching 4
Audio connections (1 channel) 4
Audio connections (2 channels) 4
Block diagram 4
Power adapter low-voltage contacts arrangement 4
IMPORTANT INSTRUCTIONS!
NON-OBSERVANCE OF THE FOLOWING INSTRUCTIONS MIGHT RESULT
IN YOUR DEVICE DAMAGE. GUARANTEE IS VOID IF THE DAMAGES ARE
CAUSED BY NON-OBSERVANCE OF THESE INSTRUCTIONS.
¾ After transportation or storage of the device under negative
temperatures make sure to leave the device under room
temperature in its original packaging for AT LEAST 2
HOURS!
¾ To connect the guitar preamp to other devices use
exclusively cables intended for such connections.
¾ Under no circumstances use other types of cables such as
for speakers etc.
CONNECTION of the guitar preamp to power adapter:
¾ Connect the adapter only AFTER all audio connections have
been accomplished!
¾ Before connecting the preamp to power adapter make sure
that the casing, cables, low-voltage connector and power
plug are free from damages: no cuts, cracks, dents and so
on and are in operable condition.
¾ To connect the preamp to the power adapter first insert the
low-voltage connector of power adapter into corresponding
socket on the right panel of the switch and then plug the
adapter into the wall outlet.
DISCONNECTION of the guitar preamp from power adapter:
¾ To disconnect the guitar preamp from the power adapter
first disconnect the adapter from mains and then
disconnect its low-voltage connector from the socket on
the right panel of the guitar preamp.
COMPLETE SET
1. Guitar preamp 1
2. Instruction manual 1
3. Packaging box 1
4. Power adapter 1
5. Warranty card 1
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2 2
INTRODUCTION
Legend Amps F-1 guitar preamp is intended for studio use and live performances.
“AMT Legend Amps” is a new revolutionary series of one-channel
preamps (JFET-preamps) from AMT Electronics, developed with
principally new approach to guitar sound formation.
The technology of analog modeling of the physical processes occurring in real
vacuum tube limiting the guitar signals was used as the basis for the new guitar
pedals series.
It became possible due to the application of original circuitry solutions.
The series’ channels structuring conforms to the processes occurring in real tube-
based devices. It results in formation of the structure of limitation, dynamics and
range close to he ones used in popular tube amplifiers.
Having compact sizes and low energy consumption characteristic to semiconductor-
based effects AMT Legend Amps possess a number of unique features found in real
tube preamps and amplifiers:
9 Preamps included into AMT Legend Amps series provide excellent playing
dynamics characteristic to real tube-based devices and are in no way inferior
to them.
9 With the limitation range similar to tube channel the preamps of the series
ensure terrific thickness and power to the resulting sound. Working with AMT
Legend Amps preamps you won’t feel the urge to cut out the most informative
middle frequencies, which in turn will provide great readability of your guitar in
the sound mix.
9 Like tube preamps AMT Legend amps provide gradual increase of the limiting
stages number as the gain grows.
9 The series’ preamps use passive circuits of tone shaping which are in full
conformity with the tone controls during original tube overdrives.
9 The high level of output signal of AMT Legend Amps (+10 dB at max Level
position) corresponds to the tube preamps’ output signal levels. Thus you have
adjustable signal level which makes it possible to connect the preamps to any
input (RETURN, DIRECT, LINE etc.) including INPUT POWER AMP.
Sound Character and Operation Principles of AMT Legend Amps F-1:
AMT F-1 is the first among the basic modules of the entire AMT Legend Amps
series.
You can use AMT F-1 to build a complex of multi-channel preamp from mono
channels of AMT Legend Amps series - P-1, B-1, M-1, R-1, S-1. The series is
constantly expanding thus giving you a chance to obtain a unique 100% analog tool
for your guitar sound shaping.
Of the entire series only AMT F-1 uses included power adapter.
AMT F-1 is a preamp with internal CLEAN channel and the possibility of switching to
external channel (any auxiliary overdrive effect) by means of a fot switch. AMT F-1
has the insert loop of serial type with standard -10dB level intended for connection of
auxiliary effects and boosting the effect signal to standard 0dB level or higher
(MASTER VOLUME), which is sufficient to operate directly with power amplifier. In
case of connection to a mixer the preamp has speaker simulator mode. The mode
can be selected by the switch loicated on the left panel of the device. AMT F-1
provides the built-in power hub to supply 9…12V to external channel and auxiliary
effects.
The bottom of AMT F-1 (under the box’s cover) has FX. Loop mode switch
serial/parallel which significantly expands your choices.
In case of connection to Ch. send, Ch. return AMT F-1 preamp there is a bi-color
LED indicator (located on the front panel): Clean channel AMT F-1 - green, Lead
external channel - red. If AMT F-1 is used in mono mode (without external
overdriven channels) the LED is single-colored and the footswitch acts as «Bypass»
Clean channel AMT F-1.
Important Note! The preamps of the AMT Legend Amps series
like other top class devices are sensitive to power source
quality.
For this series we do recommend to use the adapter meeting the
necessary quality requirements (AC/DC Adapter SA12DC-12V 1,25A).
Before you start
For safe transportation the device was carefully packaged by the manufacturer.
However, if the cardboard packaging is damaged you should immediately
inspect the device for the absence of external damages.
¾ In case of damages do NOT SEND the device to
manufacturer, but inform the seller or transport agency,
since otherwise you will lose the right to damage
compensation.
¾ In order to avoid damages during storage and transportation
always use original packing.
¾ Do not allow children to play with the device and packaging
materials.
¾ Please, recycle all packing materials in the way harmless to
the environment.
¾ In order to avoid the device overheating provide a sufficient
airflow around it; do not cover it and do not place near other
heat emitting devices.
¾ Device operation near powerful radio transmitters and
sources of high-frequency signals can result in appreciable
deterioration of sound. In this case increase the distance
between the device and the transmitter and use screened
cables for all interconnections.
CAUTION!
Please be aware that high volume can harm your hearing and /
or damage the dynamic heads of your acoustic system. Before
turning the device on rotate Volume controls to extreme left
position (counter-clockwise). At all times try to adhere to
moderate volume level.
Specifications
INPUT
Input impedance 1,0 MOhm
Nom. sensitivity -20dB
OUTPUT
Output impedance 10 kOhm
Output signal level (AMP mode) +10dB
Output signal level (CAB.SIM. mode) -10dB
CH. SEND
Output impedance 10 kOhm
Output signal level 0dB
CH. RETURN
Input impedance 1.0 MOhm
Nom. sensitivity 0dB
FX. SEND
Output impedance 10 kOhm
Output signal level -10dB
FX. RETURN
Input impedance 1.0 MOhm
Nom. sensitivity -10dB
Power
Voltage DC 9…12V
Consumed current nom. 6.0mA
Power adapter (optional) AC/DC Adapter
SA12DC-12V 1,25A
Voltage DC 12V
Load current 1.25 A
Dimensions / weight
Net dimensions (WхНхD). 111х х58 73 mm
Net weight 0.247 kg.
Overall dimmensions (Wх хH D).
A
ppr. 125х х83 103 mm.
GROSS weight
A
ppr. 0.3 kg.
Use only external devices and accessories recommended
by the manufacturer.
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3 3
CONTROLS
Front panel
1. FOOTSWITCH engages “CLEAN F-1” / “BYPASS” modes. In case of
connected “CH. SEND”, “CH. RETURN” FOOTSWITCH engages
“CLEAN F-1” / “LOOP”.
2. F-1 operation indicator.
3. LEVEL adjusts the output signal level of AMT F-1 “CLEAN F-1” preamp.
4. MASTER VOLUME adjusts the output signal level of AMT F-1 preamp
and connected external channels.
5. LOW adjusts the low frequency level.
6. MID adjusts middle frequency level.
7. HIGH adjusts high frequency level.
8. GAIN adjusts the sensitivity level of guitar preamp in relation to guitar
signal.
Right panel
9. OUT DC 12V – DC 12V output for connection of external channels.
10. IN DC 12V – for connection of DC 12V power adapter.
11. INPUT – for your guitar connection.
12. FX. RETURN – input for connection with an external effect’s output.
13. FX. SEND – output for connection with an external effect’s input.
Left panel
14. CH. SEND - output for connection to external preamp’s input.
15. CH. RETURN – input for connection with an external preamp’s
output (please, use only mono jack).
16. OUTPUT – for connection with an power amplifier’s input or
mixer’s line input (selected by AMP/CAB.SIM switch (17)).
17. AMP/CAB. SIM - switches between output signal levels
(emulation cabinet on/off) of OUTPUT.
18. OUT DC 12V – DC 12V output for powering external channels.
CAUTION! All connections are to be carried out only when the
power of the preamp has been SWITCHED OFF (BYPASS
mode)!
For qualified personnel only.
There are no user-serviceable components inside the device.
The device repair must be done only by qualified
specialists.
If the device has not been used for a prolonged period of
time, it is necessary to remove the battery from the device. To
avoid possible malfunctions and injuries related to fire or
electric shock prevent various objects and liquids from getting
inside the device.
FX.LOOP Mode Switch
WARNING! FX.LOOP mode is to be selected with
disconnected power supply and all other cables of the
guitar preamp. DO NOT USE the device without the back
cover. DO NOT TOUCH the circuit board and other components
behind the cover with your hands or objects.
To switch between FX.LOOP modes (parallel/serial):
Remove the bottom cover of the guitar preamp by unscrewing 4 (four) screws.
Carefully position the micro switches as follows:
– parallel loop mode: “P” switch to “ON”, “S” switch to opposite position.
– serial loop mode: “S” switch to “ON”, “P” switch to opposite position.
WARNING! DO NOT position the micro switches in the same direction
(e.g. both to “ON”)
Replace the bottom cover of the guitar preamp and fix it in place by means of
the 4 (four) screws.
Produktspecifikationer
| Varumärke: | AMT |
| Kategori: | Gitarrförstärkare |
| Modell: | F1 |
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