"TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN
OR MOISTURE."
SAFETY INSTRUCTIONS
1. Read Instructions - All the safety and operating instructions
should be read before the appliance is operated.
2. Retain Instructions - The safety and operating instructions should
be retained for future reference.
3. Heed Warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
4. Follow Instructions - All operating and use instructions should
be followed.
5. Water and Moisture - The appliance should not be used near
water - for example, near a bathtub, washbowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool, and
the like.
6. Carts and Stands - The appliance should be used only with a
cart or stand that is recommended by the manufacturer.
An appliance and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause
the appliance and cart combination to overturn.
7. Wall or Ceiling Mounting - The appliance should be mounted to
a wall or ceiling only as recommended by the manufacturer.
8. Ventilation - The appliance should be situated so that its location
or position dose not interfere with its proper ventilation. For
example, the appliance should not be situated on a bed, sofa,
rug, or similar surface that may block the ventilation openings;
or, placed in a built-in installation, such as a bookcase or cabinet
that may impede the flow of air through the ventilation openings.
CAUTION:
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE
OF PLUG TO WIDE SLOT, FULLY INSERT.
ATTENTION:
POUR EVITER LES CHOCS ELECTRIQUES,
INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE
DANS LA BORNE CORRESPONDANTE DE LA PRISE
ET POUSSER JUSQU' AU FOND.
The lightning flash with arrowhead symbol,
within an equilateral triangle, is intended to alert
the user to the presence of uninsulated
"dangerous voltage" within the product's
enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and
maintenance (servicing) instructions in the
literature accompanying the appliance.
9. Heat - The appliance should be situated away from heat sources
such as radiators, heat registers, stoves, or other appliances
(including amplifiers) that produce heat.
10. Power Sources - The appliance should be connected to a power
supply only of the type described in the operating instructions or as
marked on the appliance.
11. Grounding or Polarization - The precautions that should be taken
so that the grounding or polarization means of an appliance is not
defeated.
12. Power Cord Protection - Power supply cords should be routed so
that they are not likely to be walked on or pinched by items placed
upon or against them, paying particular attention to cords at plugs,
convenience receptacles, and the point where they exit from the
appliance.
13. Cleaning - The appliance should be cleaned only as recommended
by the manufacturer.
14. Nonuse Periods - The power cord of the appliance should be
unplugged from the outlet when left unused for a long period of
time.
15. Object and Liquid Entry - Care should be taken so that objects do
not fall and liquids are not spilled into the enclosure through
openings.
16. Damage Requiring Service - The appliance should be serviced by
qualified service personnel when:
A. The power supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid has been spilled into the appliance;
or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or exhibits
a marked change in performance; or
E. The appliance has been dropped, or the enclosure damaged.
17. Servicing - The user should not attempt to service the appliance
beyond that described in the operating instructions.
All other servicing should be referred to qualified service personnel.
2
DE-1 Owner’s Manual
Introduction
Thank you very much for having purchased the
Fostex DE-1.
This unit is a completely independent two channel
Multi Effect Processor that employs the A. S. P. (Fostex
Advanced Signal Processing Technology), which is
newly developed by Fostex. It provides high quality
ambient effects almost equivalent to a professional
effect processor. In addition to the typical Reverbs,
it offers not only various practical algorithms such
as Delay, Chorus, Flanger and Pitch Bend, but some
combinations of these are also available, e.g.,
Delay+Reverb. You can choose 11 variations of the
algorithm to obtain a maximum of 121 types of
different effects.
Also, the DE-1 offers two operation modes as “Dual
Mode” and “Single Mode”. The “Dual Mode” works
twice as much as an independent single channel Multi
Effect Processor, which configures as 1 Input - 2
Output times two. The “Single Mode” works as a 2
Input - 2 Output Multi Effect Processor.
You can use the unit by connecting it to the AUX
Send and AUX Return of an Audio Mixer for a
recording. Also you can directly connect the output
from your musical instruments (Line Level only) to
the unit so that it will be a useful aid in your live
performance.
To fully exploit all of its many useful features and
functions, we recommend you read this manual first
before you start using the DE-1.
Digital Effect Functions...........................................4
Precautions
(please read before use)
Power supply
* When unplugging the AC adaptor from the outlet,
be sure to grasp the adaptor. Attempting to unplug
it by pulling on the AC cable may damage the
wiring.
* It is dangerous to use any power cable that is cut
or frayed. If the power cable is damaged,
immediately stop using it, and have it repaired.
* Do not plug in or unplug the AC adaptor with wet
hands. Doing so may result in dangerous electric
shock.
* Do not open the unit or touch any parts inside.
Doing so may result in a dangerous electric shock,
and could damage the unit.
* Do not let water or other liquids, flammable
materials, or metal objects such as pins get inside
the unit. These things may cause electrical shock
or short circuit the DE-1, and damage it.
If the DE-1 should become wet, unplug the AC
adaptor from the AC outlet, and contact your
authorized service station.
Location
* Avoid using the DE-1 in the following locations:
* Locations of extreme low or high temperatures, or
extreme changes in temperature.
* Locations with excessive moisture or dust.
* Locations where direct sunlight falls for an
extended time, or near a stove or other source of
heat.
* Locations where electrical voltage varies.
* Unstable locations or where there is heavy
vibration.
* Near strong magnetic fields (on top of a television
or speaker).
The Details of the Preset Effects............................5
Effects in Dual Mode.........................................5
Effects in Single Mode.......................................8
The Details of the Algorithm.................................12
The DE-1 offers high quality ambient effects by employing the A. S. P. (Fostex Advanced Signal
Processing Technology), which is exclusively developed by Fostex.
With the A. S. P., you can obtain an incomparably clean and high density Hall Reverb, overwhelmingly
clear Room Reverb and wonderfully hi-fidelity Plate Reverb.
In addition to these typical Reverbs, the DE-1 provides not only various practical algorithms such as
Delay, Chorus, Flanger and Pitch Bend, but some combinations of these are also available, e.g.,
Delay+Reverb. You can choose 11 variations of the algorithm to obtain a maximum of 121 types of
different effects according to your taste and usage.
*A. S. P. (Fostex Advanced Signal Processing T echnology)
The A. S. P. is an exclusive new digital effect processing technology designed by Fostex.
This method extracts maximum efficiency from the limited DSP power. It achieves an
overwhelmingly high density Early Reflection sound and wonderfully smooth High
Dump response through the H. F. A. (Harmonic Feedback Algorithm). Also, it carries
out an elaborate reverb simulation with clear sounds through the H. D. L. P. (Hi-Density
Logarithmic Processing), which eliminates the mutual interference between the numerous
integrated delay modules and reduce the impurity and grit of the sound.
*H. F . A. (Harmonic Feedback Algorithm)
There is one of indispensable elements in the natural echo called “Early Reflection sound”, which is usually
sacrificed in commercial reverb products in order to reduce costs. (In practice, the Early Reflection sound
means the very first reverberated sound that bounces back from walls, floors and ceilings of concert halls).
The entire reverb sound quality depends on this Early Reflection sound and how closely it can resemble the
real echo. The H. F. A. is an algorithm that enables the effect unit to reproduce a clear and natural Early
Reflection sound by applying an ideal harmonic feedback to each delay module.
*H. D. L. P. (Hi-Density Logarithmic Processing)
The reverb sounds consist of lots of small delay elements combined in a complex way, which are produced by
many delay modules inside the effect unit. In order to obtain smooth and comfortable reverb sounds, it is very
important to efficiently organize the relationship between each delay module and minimize negative mutual
interference. The H. D. L. P. is a technology which applies efficient logarithmic processing to each delay
module, so that they can work in the most efficient way in order to eliminate harmful reverb elements and
roughness. This makes it possible to establish high density and transparent sounds.
Before the practical operation, we will briefly discuss the effect functions here such as Reverb,
Delay, Chorus, Pitch and Flanger, which are integrated in the DE-1.
Reverb:
The so called Reverb effect consists of various reflection
sounds mixed together. For example, when you clap your
hands in a tunnel, you will hear the sound linger even
after you stop clapping your hands. This is the Reverb.
The sounds we normally hear in daily life have three
types of sounds mixed together, i.e., “Direct sound”, Early
Reflection sound” and “Late Reflection sound”. The
Direct sound means the sound directly reaches the ears
from the sound source. The Early Reflection sound means
the sound that comes after the Direct sound and has
rebound off the wall of the tunnel up to a few times. The
Late Reflection sound means that the sound rebounds
many times long after the Direct sound has disappeared.
Our ears normally hear the “Direct sound” - “Early
Reflection sound” - “Late Reflection sound” in that order.
Delay:
This is the effect to add a delayed sound to the original
sound. You can obtain a richer sound or completely
change the original source sound by using the Delay.
Chorus:
This makes the one original sound appear to have many
sources. The Chorus is used to widen or thicken the
original sound.
Pitch:
The Pitch basically means the frequency of the audio.
But, in the case of an effect unit, it works this way; for
instance, you can amend the vocal tone by changing the
Pitch lifting or dropping as much as an octave. Also, you
can obtain some unusual effects by mixing the shifted
Pitch sound and the original sound together.
Flanger:
The Flanger is one of applications of the Delay. This is
used to create a sound like a jet airplane ascending or
descending.
4
DE-1 Owner’s Manual
The Details of the Preset Effects
The DE-1 has 11 preset Effect Types available on both the Dual Mode and Single Mode. Each Effect
Type further offers a maximum of 11 variations. See Operations on page 16 and 17 for how to set up
the Preset Effects. In the following list, the numbers attached to the Preset Effects are categorized
from (a) ~ (f), (A) ~ (J) and refer to the “Algorithm Reference Numbers”. They tell you how the DE1 operates internally in each Preset Effect. See page 12 and 13 for more details of the algorithm.
Effects in DUAL MODE
L.HALL (Large Hall)
L.HALL 1 (Normal Large Hall)(a) Conventional large hall, with sonic detail, clarity, and an appropriate amount of early
L.HALL 2(Lo-Freq Large Hall)(a) Large hall with lingering low-frequency reverb components.
L.HALL 3(Presence Large Hall)(a) Reverb with crispness and good presence.
L.HALL 4(Hard-Wall Large Hall)(a) Large hal l s urr ounded by hard walls, many early reflections, and a strong high-frequency
L. HALL 5 (Wet Large Hall)(a) Reverb with restrained high-frequency range and gentle character.
L. HALL 6 (Extensive Large Hall) (a) Reverb with an extremely long pre-delay time, simulating a fairly broad space.
L. HALL 7 (Cave)(a) Reverb simulating a cave. Perhaps the thick moss accounts for the excellent high-
L. HALL 8 (Stadium 1)(a) Stadium reverb with many long early reflections.
L. HALL 9 (Stadium 2)(a) Stadium reverb with a dry character.
L. HALL 10 (Large Auditorium)(a) Reverb simulating a space with little reverberation, such as a large auditorium.
L. HALL 11 (Large Cave)(a) Simulates a more spacious volume than the cave of L. HALL 7. Reverb time is longer.
* ADJUST knob: Reverb Time (adjust the length of the reverberation)
reflections.
ratio.
frequencyabsorption!
S. HALL (Small Hall)
S. HALL 1 (Normal Small Hall)(a) Conventional small hall with sonic detail, clarity, and an appropriate amount of early
S. HALL 2 (Lo-Freq Small Hall)(a) Small hall with lingering low-frequency reverb components.
S. HALL 3 (Presence Small Hall)(a) General-purpose small hall with crisp sound and few early reflections.
S. HALL 4 (Hard-Wall Small Hall) (a) Small hall surrounded by hard walls, many early reflections, and a strong high-frequency
S. HALL 5 (Wet Small Hall)(a) Small hall with little high-frequency range.
S. HALL 6 (Spacious Small Hall)(a) Small hall with a long pre-delay time, simulating a broad space.
S. HALL 7 (Long and Narrow Hall) (a) Small hall simulating a long and narrow space where the reverberation is concentrated
S. HALL 8 (Dead Small Hall)(a) Relatively “dead” small hall with a low high-frequency ratio.
S. HALL 9 (Gymnasium)(a) Small hall simulating a space with low-density reverberation such as a gymnasium.
S. HALL 10 (Live Stage)(a) Simulation of an outdoor stage. Extremely small amount of reverberation.
S. HALL 11 (No-E/R Hall)Small hall with no early reflections, and the entire frequency range decays in the same
* ADJUST knob: Reverb Time (adjust the length of the reverberation)
reflections.
ratio.
in the center.
way.
ROOM
ROOM 1 (Normal Room)(a) Conventional room reverb simulating a nice space with just enough “sparkle.”
ROOM 2 (Garage)(a) Room reverb with crisp presence simulating a small, live space such as a garage.
ROOM 3 (Dead Room)(a) Room reverb simulating a small, dead room. Add just a bit of this to give warmth to a
ROOM 4 (Live Room)(a) Room reverb simulating a live space with low-density reverberation.
ROOM 5 (Presence Room)(a) All-purpose room reverb with few early reflections and good definition.
ROOM 6 (Mono Room)(a) Room reverb with reverberation concentrated in the center.
ROOM 7 (Hard-Wall Drum Booth) (a) Room reverb simulating a drum booth with hard walls. Crisp, and good for percussion
ROOM 8 (Lo-Freq Drum Booth)(a) Room reverb simulating a drum booth with a boost in the low to mid-ranges.
sound. Ideal for narrations.
as well.
5
DE-1 Owner’s Manual
ROOM 9 (Small Live House)(a) Room reverb simulating a small club.
ROOM 10 (Back-Stage)(a) Room reverb simulating the sound back-stage.
ROOM 11 (Mid-Freq Small Hall)(a) Room reverb with unique character in the mid-range.
* ADJUST knob: Reverb Time (adjust the length of the reverberation)
PLA TE
PLATE 1 (Normal Plate)(a) Contemporary-feeling plate reverb with a wide bandwidth.
PLATE 2 (Old Plate)(a) Conventional plate reverb with the character of classic plate devices.
PLATE 3 (Presence Plate)(a) Crisp plate reverb with extended highs.
PLATE 4 (W et Plate)(a) Plate reverb with a gentle character.
PLATE 5 (Hi-Freq Plate 1)(a) Plate reverb with only the high-frequency component.
PLATE 6 (Mono Plate)(a) Plate reverb panned to the center .
PLATE 7 (Lo-Freq Plate)(a) Plate reverb with rapidly decaying highs and lingering lows.
PLATE 8 (Hi-Freq Plate 2)(a) Plate reverb with unique character in the high range.
PLATE 9 (Mid-Freq Plate)(a) Plate reverb with unique character in the mid range.
PLATE 10 (Digital Plate)(a) Plate reverb emphasizing a digital feel, with metallic-sounding early reflection.
PLATE 11 (Coarse Plate)(a) Plate reverb with low-density reverberation.
* ADJUST knob: Reverb Time (adjust the length of the reverberation)
VOCAL
VOCAL 1 (Presence Vocal Booth) (a) The early reflections of an ideal vocal booth plus short reverberation with extended high
VOCAL 2 (Vocal Reverb 1)(a) All-around reverb that makes any vocal sound great (!?)
VOCAL 3 (Natural Vocal Booth)(a) The early reflections of an ideal vocal booth plus short reverberation. This adds a natural
VOCAL 4 (Fat Vocal)(a) Reverb with a short delay and a plate character. Adds depth to the sound.
VOCAL 5 (Arena Vocal)(a) Spacious stadium-type early reflections plus short reverberation with extended high
VOCAL 6 (Vocal Reverb 2)(a) Easy to use vocal reverb with moderate delay and reverberation.
VOCAL 7 (Back Chorus)(a) Reverb that adds depth and spaciousness to the sound. A good high range makes this
VOCAL 8 (Ballad Vocal)(a) A short delay plus a gentle reverb. Recommended for slow songs.
VOCAL 9 (Solo Vocal)(a) Spacious short delay plus a reverb with a real plate character. Blends naturally into
VOCAL 10 (Vocal Reverb 2)(a) Spacious short delay plus short reverberation.
VOCAL 11 (Stadium Vocal)(a) Stadium-type early reflection plus majestic reverb. Adds depth and spaciousness to a
* ADJUST knob: Reverb Time (adjust the length of the reverberation)
range. This adds sparkle to the sound, and is effective when you want to make the
vocal stand out in the ensemble.
feeling of air, and is effective with simple arrangements with an unhurried vocal.
range. Good for chorus parts.
ideal for chorus parts as well.
any background.
vocal.
DL Y+REV (Delay+Reverb)
DL Y+REV 1 (Mono Delay+Loud Hall)(e) Mono delay + a fairly high level of hall reverb
DL Y+REV 2 (Panning Delay+Loud Hall)(e) Panning delay + a fairly high level of hall reverb
DL Y+REV 3 (Mono Delay+Soft Hall)(e) Mono delay + a low level of hall reverb
DL Y+REV 4 (Panning Delay+Soft Hall)(e) Panning delay + a low level of hall reverb
DL Y+REV 5 (Mono Delay+Hi-Freq Plate)(e) Mono delay + plate reverb with extended highs
DL Y+REV 6 (Panning Delay+Hi-Freq Plate) (e) Panning delay + plate reverb with extended highs
DL Y+REV 7 (Mono Delay+Normal Plate)(e) Mono delay + plate reverb with a plate character
DL Y+REV 8 (Panning Delay+Normal Plate) (e) Panning delay + plate reverb with a plate character
DL Y+REV 9 (Mono Delay+Room)(e) Mono delay + room reverb
DL Y+REV 10 (Panning Delay+Room)(e) Panning delay + room reverb
DL Y+REV 1 1 (Single Panning Delay+Hall)(e) Panning delay (without feedback) + hall reverb
* ADJUST knob: Delay Time (adjust the delay time)
6
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