Marshall Amplification Musical Instrument Amplifier AVT100 User Manual

 
ENGLISH  
WARNING! - Important safety instructions  
WARNING! - Important safety instructions (cont.)  
!
WARNING: THIS APPARATUS MUST BE EARTHED!  
Caution: Any changes or modifications not expressly approved by the party responsible for  
compliance may void the user’s authority to operate the equipment.  
EGNLISH  
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PLEASE read this instruction manual carefully before switching on.  
Note: It is recommended that all audio cables, with the exception of the speaker lead, used to  
connect to the AVT100 Combo are of a high quality screened type. These should not exceed 10  
metres in length. Always use a non-screened Marshall approved speaker lead when connecting an  
extension cabinet to these units.  
ALWAYS use the supplied mains lead, if a replacement is required please contact your  
authorised Marshall Dealer.  
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NEVER attempt to by-pass the fuses or fit ones of the incorrect value.  
WARNING: Do not obstruct ventilation grilles and always ensure free movement of air around  
the amplifier!  
DO NOT attempt to remove the amplifier chassis, there are no user serviceable parts.  
Refer all servicing to qualified service personnel including replacement of fuses and  
valves. Servicing is required when the apparatus has been damaged in any way, such as  
when the power supply cord or plug is damaged, liquid has been spilled or objects have  
fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not  
operate normally or has been dropped.  
USA ONLY - DO NOT defeat the purpose of the polarised or grounding type plug. A  
polarised plug has two blades with one wider than the other. A grounding type plug has two  
blades and a third grounding prong. The wide blade or the third prong is provided for your safety.  
When the provided plug does not fit into your outlet, consult an electrician for replacement of the  
obsolete outlet.  
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NEVER use an amplifier in damp or wet conditions. No objects filled with liquids should be  
placed on the apparatus. When cleaning, only use a dry cloth.  
FOLLOW ALL INSTRUCTIONS AND HEED ALL WARNINGS  
KEEP THESE INSTRUCTIONS !  
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ALWAYS unplug this apparatus during lightning storms or if unused for long periods of time.  
Protect the power cord from being walked on or pinched particularly at plugs, convenience  
receptacles and at the point where they exit from the apparatus.  
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DO NOT switch the amplifier on without the loudspeaker connected.  
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ENSURE that any extension cabinets used are of the correct impedance.  
EUROPE ONLY  
- Note: This equipment has been tested and found to comply with the  
requirements of the EMC directive (Environments E1, E2 and E3 EN 55103-1/2) and Low Voltage  
directive in the E.U.  
EUROPE ONLY - Note: The Peak Inrush current for the AVT100 is 22 amps.  
This equipment has been tested and found to comply with the limits for a Class B digital device,  
pursuant to part 15 of the FCC rules.  
These limits are designed to provide reasonable protection against harmful interference in a  
residential installation. This equipment generates, uses and can radiate radio frequency energy and,  
if not installed and used in accordance with the instructions, may cause harmful interference to radio  
communications. However, there is no guarantee that interference will not occur in a particular  
installation. If this equipment does cause harmful interference to radio or television reception, which  
can be determined by turning the equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and the receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is  
connected.  
Consult the dealer or an experienced radio/TV technician for help.  
 
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ENGLISH  
Introduction  
Introduction (cont.)  
What is AVT?  
DFX On board  
EGNLISH  
Advanced Valvestate Technology, or AVT for short, is a major step forward in hybrid amplifier  
design which is exclusive to our new Valvestate 2000 (VS2000) Series of amplifiers. It has evolved  
from the original, critically acclaimed Marshall Valvestate technology, but is improved so that it  
emulates even more closely the feel and response of the classic Marshall all-valve power  
stage...without using valves.  
At Marshall our aim is to create products that offer our fellow guitarists true inspiration in the  
practice and performance of their art. When integrating DFX (Digital Effects) into the tonal topology  
of AVT, the greatest care was taken to ensure that the highest level of signal integrity was  
maintained. Through careful shaping and mixing of the ‘wet’ (processed) and ‘dry’ (unprocessed)  
signals, we have ensured that the on board effects enhance your tone while adding none of the  
nasty, artificial ‘grain’ often associated with DFX.  
It is not only the power stage that has been significantly improved in the VS2000 Series. Much  
careful attention to detail and many hours of development have also gone into the preamp section  
too. As a result, each AVT channel offers the widest possible range of control and shape to your  
sound, with an ECC83 (a.k.a.12AX7) preamp valve adding to the all-important tone and feel of  
these latest Marshall creations.  
We are so proud and enthused by the end results of our labour that we feel fully justified in  
hailing Advanced Valvestate Technology as a major breakthrough in hybrid guitar amplifier design.  
We are convinced that you will derive as much pleasure from playing them as we did while  
designing them. Enjoy!  
Valve Drive Pre-amp  
As just stated, each amp in the VS2000 range boasts a preamp stage equipped with an  
ECC83 Dual Triode valve. Drawing on our vast experience in this field, we have gone to great  
lengths to ensure that this precious device delivers maximum sonic benefit at all settings and  
volume levels. As a result, the clean sounds ring with the ‘bell-like harmonics that only a valve  
AVT100 Front Panel Features  
preamp can deliver and, when pushed, the break-up is never harsh or unnatural sounding.  
Whenever an AVT Overdrive channel is selected the ECC83’s dual triode is saturated to its limit,  
providing the dynamics and feel worthy of a place in the Marshall hall of fame.  
At higher Gain settings you will pass  
I. The Pre-amp Section  
Power Amp Delivery  
through natural, valve-induced compression  
Your AVT100 combo amp boasts three  
independent channels: Clean, Overdrive 1 and  
Overdrive 2. The preamp section is where the  
gain, tone and relative volume of these three  
channels is determined.  
and into an increased level of desirable ‘break-  
up’ (a.k.a. ‘crunch’) which is perfect for subtly  
overdriven blues/rock.  
The same sort of toneful care and attention was also focused on the all-important power  
stages of the AVT series. Our goal was to ensure that each one would create the warm, musical  
feel and 3-dimensional sounds that have made our all-valve power amps world renowned. In  
addition, these VS2000 products were designed to deliver the goods in the often hostile and  
unpredictable environment of the live performance stage - which is why all the AVT power amps,  
from the AVT50 upwards, are fan cooled for optimum reliability.  
4
Bright Switch  
Most of the Gain controls in classic  
1
Input Jack Socket  
Marshall amps have been fitted with what is  
known as a ‘treble bleed capacitor’. This  
device allows extra high frequencies to be  
‘bled’ through to the drive section when the  
Gain control is at low settings. Engaging the  
Bright Switch will ‘bleed’ extra high frequencies  
into the drive stage of the Clean channel,  
giving you a bright, clean tone perfect for many  
styles, including funk and country.  
'Extended Bass Response' Loudspeakers  
This is where you plug your guitar into the  
amp. You must always use a screened  
(shielded) guitar cable and never use an  
unscreened (unshielded) speaker cable. Also,  
this cable should be one of good quality. If you  
are in any doubt regarding this, your Marshall  
dealer will be more than happy to help and  
advise you.  
Knowing how important the relationship between the amplifier and speaker is, this is another  
area where we spent a great deal of time and effort when developing the VS2000 Series. By  
working extremely closely with our long-term colleagues at Celestion Loudspeakers, we have  
successfully developed a range of speakers which, through radical design, re-define the state-of-the  
art in rock guitar reproduction. In a nutshell, they allow the compact closed back cabinets used in  
the AVT range to maintain the bottom end delivery normally only associated with a full 4 x12  
cabinet set-up.  
The higher the Gain control is set, the less  
effect the ‘treble bleed capacitor’ has. As a  
result, at maximum Gain settings, the bright  
switch will have no audible effect at all.  
2
Clean Channel Selector Switch  
This allows selection of the Clean channel  
via the front panel.  
3
Clean Channel Gain Control  
This rotary control regulates the drive into  
the two cascaded valve stages of the preamp.  
Lower settings will give you a wide range of  
well defined, warm clean tones.  
 
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ENGLISH  
AVT100 Front Panel Features  
AVT100 Front Panel Features  
raging Marshall valve amp with a high gain,  
overdrive stomp box. If you’ve already  
experienced the tonal pleasure of ‘front ending’  
a Marshall valve amplifier in this way, you will  
appreciate the energy and dynamics of this  
type of set-up!  
5
Clean Volume Control  
Points to remember are:  
10 OD1 Volume Control  
EGNLISH  
As its name suggests, this control  
When selecting a sound on any amp:  
As its name suggests, this control  
determines the volume of the OD1 channel.  
The actual setting you choose will be  
dependent on how loud you want the channel  
to be, and also on the type of sound you have  
selected on the pre-amp (i.e.: high Gain  
settings will generate much more preamp  
output level than lower, cleaner sounding Gain  
settings).  
determines the volume of the clean channel.  
The actual setting you choose will be  
dependent on how loud you want the channel  
to be, and also on the type of sound you have  
selected on the pre-amp. Due to the  
a) The tone and output level coming out  
of each guitar is as widely variable as guitars  
themselves. Remember, guitars and also  
pickups are not designed (nor intended) to be  
equal. Therefore, amp settings will vary to suit  
both your guitar and your playing style, and, by  
necessity, are at your discretion.  
Turning the OD2 Gain control clockwise  
will see more of the already smouldering signal  
being sweetly compressed and ‘rounded’ by  
the unique characteristic of the AVT’s Valve  
Drive stage as it is driven over the top into  
total saturation. This channel can also be as  
nasty and ‘in-yer-face’ as you would like.  
Engaging the OD2 ‘Scoop’ button (13) will take  
this channel onto a new level of cranium  
crushing crunch, perfect for modern (a.k.a.  
‘nu’) metal.  
remarkable realism of our Advanced  
Valvestate Technology, once the Volume  
control is turned-up past a certain point the  
preamp will start to push the power amp  
section into creating its own, desirable  
distortion - just like an all-valve Marshall amp.  
When this occurs, the AVT’s power amp will  
start to add musical harmonics, compression  
and ‘break-up’ into your sound.  
b) The tone of your sound is also  
dependent on the way you set-up the Volume,  
Gain and Tone controls of your amp. Taking  
the time to adjust them to taste will further  
enhance the sonic textures of your AVT. As is  
true of all the best things in life, it is worth  
investing some time playing around until you  
find the desired sweet spot!  
Due to the remarkable realism of our  
Advanced Valvestate Technology, once the  
Volume control is turned-up past a certain  
point, the preamp will start to push the power  
amp section into creating its own, desirable  
distortion - just like an all-valve Marshall amp.  
When this occurs, the AVT’s power amp will  
start to add musical harmonics, compression  
and desirable ‘break-up’ to your sound.  
Note: As each channel has its own volume  
control, you can easily balance the levels of all  
three channels as you so desire. Once set to  
your satisfaction, these controls can be left  
alone and you can use the amp’s Master  
Volume knob (16) to set your overall volume  
level.  
13 OD2 Scoop Switch  
Note: The amp’s Master Presence control (17)  
affords you further adjustment of the high end.  
As is true of the OD1 Scoop, this circuit  
acts like an advanced, pre-set contour control  
that not only ‘scoops-out’ the mids but also  
shapes the highs and lows for a tight, focused  
sound. Engaging OD2’s Scoop Switch loads  
you up with a ‘bottom heavy’ sound perfect for  
the de-tuned, high-gain aggression favoured  
by many modern acts.  
As previously stated, each channel has its  
own volume control so you can easily balance  
the levels of all three channels. Once set to  
your satisfaction, these controls can be left  
alone and you can use the amp’s Master  
Volume knob (16) to set your overall volume  
level to best suit each playing situation and  
venue.  
7
OD1 Channel Select Switch  
Pressing this front panel switch selects  
the Overdrive 1 (OD1) channel of your AVT.  
6
Clean Tone Controls  
8
OD1 Gain Control  
The Clean channel is equipped with rotary  
Bass, Middle, and Treble controls. These three  
passive EQ controls are designed to achieve  
maximum tonal variation from your AVT  
amplifier. Just like the tone controls on our  
famous all-valve amps they are highly inter-  
dependent on each other. As a result, the way  
each one functions depends on the exact  
position of the other two controls. This is  
especially true of the Bass and Treble controls  
in relation to the Middle control. As you will  
discover, the lower the Middle control is set,  
the more ‘reactive’ the others become.  
This rotary control can be best described  
as the ‘sonic brain’ of the OD1 channel. Lower  
Gain settings will produce well-defined, natural  
sounding overdrives which have a nice ‘cut,’  
making them perfect for funky, blues rock.  
Higher gain settings will see the sound start to  
get more ‘rounded’ as the AVT’s pre-amp  
valve is pushed into saturation.  
14 OD2 Volume Control  
11 OD2 Channel Select Switch  
This control regulates the drive of the  
OD2 channel into the power stage of the  
amplifier, hence controlling its output volume.  
You will find that the louder you go, the looser  
the bottom end of your sound will become.  
Having said this, the closed-back cabinet  
design of your AVT is such that it will deliver  
tight, well-defined low end at much higher  
volumes than any other ‘hybrid’ amplifier  
known to man.  
This selects the Overdrive (OD2) channel  
of your amp.  
12 OD2 Gain Control  
Cranking the OD2 Gain control will  
unleash the most extreme gain levels ever  
found on a Marshall Valvestate amplifier. The  
higher settings of the OD2 gain control can be  
likened to driving the front-end of an already  
9
OD1 Scoop Switch  
Fine tuned to create the most awesome  
mid ‘scoop’ imaginable, OD1’s Scoop circuitry  
is more than just a pre-set middle control.  
Instead it actually reconfigures the whole post-  
EQ voicing of the channel - from low to high.  
Because of this, even though the resulting  
‘scooped’ sound that occurs when the switch is  
activated (pushed ‘in’) is totally extreme, the  
channel’s overall tone still remains tight and  
focused.  
As tone is very much down to personal  
taste, experimentation and experience is  
probably the best way of learning how these  
three controls will affect your sound. To offer  
you some guidance, suggested settings are  
shown later on in this manual.  
 
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AVT100 Front Panel Features  
AVT100 Front Panel Features  
the case of plate reverbs, a mechanically vibrating metal plate. These echoes are extremely  
complex in nature and are, therefore, notoriously difficult to recreate. In developing these 10  
programs we’ve gone to great lengths to ensure that none of the harsh digital ‘graininess’ normally  
associated with some digital reverbs is present.  
15 Overdrive Tone Controls  
EGNLISH  
lII. FX Section  
Your AVT is equipped with rotary Bass,  
Middle, and Treble EQ controls which are  
shared between the two Overdrive Channels,  
OD1 and OD2. This EQ section boasts a tone  
circuit identical to the one used in legendary  
Marshall valve amplifiers such as the 100 Watt  
‘Plexi’ and the JCM800 2203, making it a  
foundation stone for that instantly recognisable  
and unsurpassable ‘Marshall Sound.’ As was  
the case with the Clean channel’s EQ network,  
these controls are interactive and, as a result,  
allow endless tonal possibilities.  
A. Parallel FX Loop  
Your AVT boasts a rear-panel mounted  
Parallel FX loop for use with external effects  
devices. This FX loop is Mono so if using a  
stereo effects processor you would need to  
connect to the ‘mono’ output on the processor.  
Below is a brief description of each of the 16 DFX programs available:  
1
Hall A: this is a large, bright sounding, concert hall. “Wembley Arena, are you ready to  
rock!?”  
2
Hall B: warmer sounding than Hall A, this program is perfect for adding depth and character  
18 FX Loop Mix Control  
(Clean & Overdrive)  
to clean and acoustic tones.  
3
4
5
6
7
8
Hall C: a medium sized hall with 12ms of delay before the reverb starts.  
Room 1: a hardwood studio with lots of early reflections. Perfect for acoustic type sounds.  
Room 2: perfect for adding some subtle ambience.  
When an effects unit is hooked-up to the  
aforementioned FX loop, this control adjusts  
the FX Mix for all three channels. Turning it  
clockwise increases the amount of effect you  
hear - from ‘dry’ (0) to ‘wet’ (10).  
Note: Remember that in addition to these  
three controls, further tonal adjustment is also  
afforded by the Scoop button (13) and also the  
Master Presence control which is explained  
later (17).  
Room 3: warmer sounding than Room 1, perfect for clean or acoustic work.  
Plate 1: a bright, transparent plate sound ideal for lead work.  
Please note that the FX mix on your  
external processor should be set to maximum  
(i.e. ‘wet’).  
Plate 2: warmer sounding than Plate 1, this program is great for adding sustain, especially  
II. The Master Section  
These controls adjust the power amp  
section of your AVT and determine the overall  
Volume and Presence of the amplifier.  
on clean and acoustic tunes.  
B. Internal Digital FX  
9
Plate 3: an accurate emulation of a vintage tube plate reverb. As this program has very little  
low end it is great for adding ‘cut.’  
As mentioned in the introduction of this  
manual, the AVT100 features a DFX (Digital  
Effects) section which adds digital effects to all  
three channels.  
10 Gated Reverb: by ‘chopping-off’ the end of the reverb's decay ‘tail’ via a Noise Gate, this  
16 Master Volume  
program is great for spicing-up chord stabs without cluttering up your sound.  
Once you have set the relative volumes of  
your AVT’s channels, this control governs the  
overall volume of the amplifier.  
11 Chorus: splitting the signal and then mixing the dry signal with a detuned version creates this  
popular effect. To add to the subtle ‘widening’ this creates, the detuned signal is modulated  
by an LFO (Low Frequency Oscillator) which causes the detuning to vary. The result is a  
subtle, lush sound that is equally effective on both clean and dirty tones.  
The DFX section boasts 16 on-board  
effects and three controls - DFX Mix, Adjust  
and Program.  
17 Master Presence  
We chose these particular effects  
algorithms to give you a comprehensive palette  
of natural sounding options. When developing  
the DFX section, our aim was to enhance the  
overall sound of the amplifier and, most  
importantly, allow the effects to work with you  
instead of masking your all-important tone  
underneath layers of artificial sounding digital  
signal processing.  
A feature normally only found on  
12 Flange: similar to chorus but much more ‘jet’ like in nature.  
expensive valve amplifiers, the Presence  
control affords you increased high frequency  
control by altering the power amplifier’s  
feedback. Increasing the Presence control will  
emphasise high-end ‘fizz’ in overdriven tones  
and top-end ‘sparkle’ in clean sounds.  
13 Delay: this creates an echo repeat of the original signal. The delay time is adjustable in 10  
millisecond (ms) increments and can be set to be as long as 1270ms which is well over 1  
second.  
14 Chorus/Room: as the name suggests, this combines Chorus and a large room Reverb.  
15 Chorus/Delay/Room: if program 14 isn't dramatic enough for you then this is definitely the  
one for you, as it adds Delay to the Chorus & Reverb mix!  
The first 10 programs offered are all  
Reverbs. Reverberation effects recreate the  
natural echo reflections found in physical  
environments such as halls and rooms or, in  
16 Modulation: this effect is similar to the chorus effect but is less subtle and can be used to  
create rotary speaker-like effects.  
 
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ENGLISH  
AVT100 Rear Panel Features  
AVT100 Front Panel Features  
used in both live performance and recording  
situations to achieve authentic guitar amp  
tones, without having to use a microphone.  
Turn down the Master Volume (16) for silent  
recording.  
19 DFX Mix Control  
22 Digital FX Program/  
Adjust Table  
1
Mains Input Connector  
EGNLISH  
(Clean & Overdrive FX)  
Your AVT is provided with a detachable  
mains (power) lead which is connected here.  
The specific mains input voltage rating that  
your amplifier has been built for is shown on  
the back panel. Before connecting for the first  
time, please ensure that your electricity supply  
is compatible with your amplifier. If you have  
any doubt, please seek advice from a qualified  
technician. Your Marshall dealer will help in  
this respect.  
This determines the level of the internal  
effects selected by the Program control (21). In  
general you will find that the modulation effects  
(e.g.: Chorus, Flange) require more level than  
the reverbs and delays. As always, let your  
ears decide what is right!  
This lists the 16 programs selectable via  
the Program control (21) and also indicates  
which parameter the Adjust control (20)  
modifies for each one. For added convenience,  
this table is shown below.  
FX Loop  
As already mentioned, the AVT100 boasts  
a Mono Parallel FX loop for connection with  
external effects units. In addition to the FX Mix  
control on the front panel (see ‘Front Panel  
Features,’ point 18) this FX loop comprises of  
an FX Send jack, an FX Return jack and an  
FX level control button.  
Program  
Adjust  
20 Adjust Control  
Halls  
Rooms  
Decay Time  
Decay Time  
Decay Time  
Decay Time  
Rate  
1 - 3  
4 - 6  
7 - 9  
10  
(Clean & Overdrive FX)  
For each of the 16 selectable DFX a  
particular parameter is adjustable. For  
example, when a Reverb is chosen, the decay  
(how long the reverb will be heard before it  
fades away) is adjustable via this control. The  
‘Program/Adjust’ table (22) on the front panel  
of your amp lists what the Adjust control does  
for each of the 16 programs.  
2
Loudspeaker Jack Sockets  
Plates  
There is one speaker jacksocket on the  
Gated reverb  
Chorus  
AVT100, marked Internal (8 Ohm), this is  
where the output of the AVT power amplifier is  
connected to its internal 8 Ohm Celestion  
loudspeaker.  
6
FX Return  
11  
For connection to the output of your  
external effects device.  
Flange  
Rate  
12  
Delay  
Time  
13  
WARNING:  
7
FX Level  
!
Chorus/Room  
Ch/Dly/Room  
Modulation  
Decay Time  
Time  
14  
21 Program  
Always provide the AVT100 with a load  
equal to, or greater than, 8 Ohms.  
This should be set to match the level of  
(Clean & Overdrive FX)  
the processor being used (generally -10dB for  
a stomp box, + 4dB for a professional, rack  
unit).  
15  
This selects each one of the 16 on board  
digital effects. The DFX available include  
single effects such as Reverb (9 types), Delay  
or Chorus and also multi-FX such as  
Chorus/Delay/Room. To add further to the  
flexibility of the DFX sections it can be  
Speed  
16  
3
Footswitch  
For connection of the supplied Stage Foot  
8
FX Send  
Controller (PEDL-00030). This sturdy 4-way  
Marshall footswitch allows instant selection of  
the 3 channels, plus the DFX. It also features  
LED's to indicate status.  
23 Power Switch  
For connection to the input of the external  
device being used.  
Wait for it...yes, this switches the amp on  
and off! When the amp is on the power switch  
is illuminated and vice-versa. Advanced power  
amplifier muting circuitry provides anti-thump  
protection on power up and down.  
switched on and off via the sturdy, 4 way foot-  
controller which comes supplied with each amp.  
FX Loop Hints  
4
Headphone  
a) Always use high quality, shielded patch  
cables.  
The headphone output is fully emulated  
using an improved version of the circuitry  
found on the industry standard JMP-1.  
Turning the Master Volume (16) to zero will  
provide silent practice.  
Important Note: As is the case with an all-  
valve amplifier, there will be no signal heard  
until the amp’s ECC83 preamp valve warms-up  
and starts to pass signal. This can take up to  
15 seconds so don’t panic!  
b) If the processor being used has an  
input level control, ensure it is set correctly.  
c) Time based effects (delays & reverbs)  
and modulation effects (chorus, flange, phase,  
etc.) are ideal for use in a Parallel FX loop.  
5
Emulated Line Output  
d) Certain stomp box effects such as  
Wah, distortion, overdrive and fuzz were  
designed specifically for use in-front of the  
amp and sound best when used that way. This  
said, tonal beauty is in the ears of the beholder  
so, if such a pedal sounds great to you when  
used in an FX loop then go for it! Sometimes,  
there are no rules...  
This jack socket carries a specially  
treated output signal from your AVT that  
accurately emulates the sonic signature of a  
Marshall 4x12 cabinet. This unerringly  
accurate emulation circuitry is Marshall's most  
advanced to date and was developed via  
countless hours of technical research, playing,  
listening and fine-tuning. This output can be  
 
10  
11  
AVT100 Combo Front Panel Features  
7
8
9
10  
11  
12  
13  
14  
15  
16  
18  
19  
20  
21  
22  
23  
Valve-Drive Pre-Amp  
AVT 100  
Advanced Valvestate Technology  
Overdrive Tone  
Master FX Loop  
Digital FX  
Overdrive 1  
Overdrive 2  
Clean/Overdrive FX  
Program  
Adjust  
OD1  
OD2  
Halls 1 - 3 Decay Time  
Rooms 4 - 6 Decay Time  
Plates 7 - 9 Decay Time  
Input  
Power  
Mix  
DFX Mix  
Adjust  
Program  
13  
12  
14  
11  
15  
SCOOP  
SCOOP  
10  
16  
0
10  
Gain  
0 10  
Volume  
0
10  
0
10  
Volume  
0
10  
Bass  
0
10  
Middle  
0
10  
Treble  
0
10  
Volume  
Gated reverb  
Chorus  
10  
11  
12  
13  
14  
15  
16  
Decay Time  
Rate  
9
1
Gain  
8
2
Flange  
Rate  
7
3
BRIGHT  
6
4
5
0
10  
0
10  
0
10  
Delay  
Time  
Chorus Room  
Ch/Dly/Room  
Modulation  
Decay Time  
Time  
Clean  
Speed  
0
10  
0
10  
0
10  
0
10  
Clean Tone  
0
10  
0
10  
Presence  
Clean  
1
2
3
4
5
6
17  
AVT100 Combo Rear Panel Features  
CAUTION!: TO REDUCE THE RISK OF  
ELECTRIC SHOCK DO NOT REMOVE COVER.  
NO USER SERVICEABLE PARTS INSIDE.  
REFER SERVICING TO QUALIFIED SERVICE  
PERSONNEL.  
WARNING!: SHOCK HAZARD. DO NOT  
OPEN. TO REDUCE THE RISK OF FIRE OR  
ELECTRIC SHOCK DO NOT EXPOSE THIS  
EQUIPMENT TO RAIN OR MOISTURE. THIS  
APPARATUS MUST BE EARTHED.  
WARNING: DO NOT OBSTRUCT VENTILATION GRILLES  
ATTENTION: NE PAS OBSTRUER LES GRILLES DE VENTILATION  
ATTENTION!: POUR EVITER LES  
RISQUES DE DECHARGES ELECTRIQUES, NE  
PAS OUVRIR LE COUVERCLE. CET APPAREIL  
NE COMPORTE AUCUNE PIECE SUSCEPTIBLE  
D’ETRE REPAREE PAR VOS SOINS. FAITES  
TOUJOURS APPEL A UN TECHNICIEN  
AVIS!: RISQUE DE CHOC ELECTRIQUE. NE  
PAS OUVRIR. POUR EVITER LES RISQUES  
D’INCENDIE ET DE DECHARGES  
ELECTRIQUES, N’EXPOSEZ JAMAIS CET  
APPAREIL A LHUMIDITE OU A LA PLUIE.  
CONNECTER CET APPAREIL A LA TERRE.  
RISK OF HAZARDOUS ENERGY  
WARNING!:  
Made in England by:  
!
AVIS!: ENERGIE ELECTRIQUE DANGEREUSE!  
Marshall Amplification plc,  
Bletchley, Milton Keynes, England.  
Mains Input  
QUALIFIE POUR TOUTE REPARATION.  
120V ~ 60Hz  
175 Watts  
OUTPUT: 100 WATTS RMS INTO 8  
Loudspeaker  
(Minimum Total Imp. 8  
)
NOTE: THIS DEVICE COMPLIES WITH PART 15 OF  
THE FCC RULES. OPERATION IS SUBJECT TO THE  
FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY  
NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS  
DEVICE MUST ACCEPT ANY INTERFERENCE  
RECEIVED, INCLUDING INTERFERENCE THAT MAY  
CAUSE UNDESIRED OPERATION.  
Internal (8  
)
Footswitch  
Headphones  
Emulated  
Line Output  
FX Return  
FX Level  
FX Send  
+4dBV  
-10dBV  
1
2
3
4
5
6
7
8
 

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