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moosersPublished on 09/24/10 at 11:24
The DOD FX87 Edge, also known as the Psycho Acoustic Processor, is an effects pedal, originally designed for acoustic instruments. I've used it with both acoustic and electric guitar, however. The pedal is an analog one, with 1/4" connections for input and output, a nine volt battery compartment, and a jack for a nine volt power supply as well. It isn't going to be rack mountable since it's a stomp box and is engaged with your foot.
UTILIZATION
Without exaggeration, the DOD FX87 Edge is the simplest pedal on the planet as it's only got a single knob! You literally cannot get easier than this one, and the one parameter is vague enough just to be labeled 'process.' It's basically...…
UTILIZATION
Without exaggeration, the DOD FX87 Edge is the simplest pedal on the planet as it's only got a single knob! You literally cannot get easier than this one, and the one parameter is vague enough just to be labeled 'process.' It's basically...…
Read more
The DOD FX87 Edge, also known as the Psycho Acoustic Processor, is an effects pedal, originally designed for acoustic instruments. I've used it with both acoustic and electric guitar, however. The pedal is an analog one, with 1/4" connections for input and output, a nine volt battery compartment, and a jack for a nine volt power supply as well. It isn't going to be rack mountable since it's a stomp box and is engaged with your foot.
UTILIZATION
Without exaggeration, the DOD FX87 Edge is the simplest pedal on the planet as it's only got a single knob! You literally cannot get easier than this one, and the one parameter is vague enough just to be labeled 'process.' It's basically and exciter/enhancer pedal, giving you tone a quick boost on the high end mostly. A manual surely shouldn't be necessary here.
SOUND QUALITY
The pedal definitely does as advertised, as the DOD FX87 Edge is a nice little enhancer pedal that does a nice job for live shows. I don't think I'd use something like this in the studio, but it's definitely useful for shows where you might be looking to cut through the mix easier. Having used it on both acoustic and electric guitar, I'd say it's more effective on acoustic, but isn't useless for electric either. I'm not sure that I would buy one of these for my guitar rig, but I certainly see it's worth.
OVERALL OPINION
It doesn't seem like there are too many of these pedals floating around, nor do I thikn it's worth seeking out the DOD FX87 Edge. However, if you do see one on the cheap and/or get a chance to check it out, it's certainly a useful pedal that can come in handy for live shows when you're looking to excite, or get a bit of a cleaner boost to your sound. This pedal should be pretty cheap if you can find one used, so if you might need something like this, the FX87 could be a good way to go...
UTILIZATION
Without exaggeration, the DOD FX87 Edge is the simplest pedal on the planet as it's only got a single knob! You literally cannot get easier than this one, and the one parameter is vague enough just to be labeled 'process.' It's basically and exciter/enhancer pedal, giving you tone a quick boost on the high end mostly. A manual surely shouldn't be necessary here.
SOUND QUALITY
The pedal definitely does as advertised, as the DOD FX87 Edge is a nice little enhancer pedal that does a nice job for live shows. I don't think I'd use something like this in the studio, but it's definitely useful for shows where you might be looking to cut through the mix easier. Having used it on both acoustic and electric guitar, I'd say it's more effective on acoustic, but isn't useless for electric either. I'm not sure that I would buy one of these for my guitar rig, but I certainly see it's worth.
OVERALL OPINION
It doesn't seem like there are too many of these pedals floating around, nor do I thikn it's worth seeking out the DOD FX87 Edge. However, if you do see one on the cheap and/or get a chance to check it out, it's certainly a useful pedal that can come in handy for live shows when you're looking to excite, or get a bit of a cleaner boost to your sound. This pedal should be pretty cheap if you can find one used, so if you might need something like this, the FX87 could be a good way to go...
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sorgen :shoot:Published on 09/18/06 at 04:04 (This content has been automatically translated from French)
Effects pedal that I bought new in September 2006 but was built in 1988 (according to the manual that comes with the catalog of that year DOD). I found a store in St-Brieuc.
So it's a pedal that is very simple:
-A switch to lock and a knob for adjusting the effect.
-4 Small LEDs that indicate the effect level in the game (which varies depending on the attack with a pick, the output level of the guitar and of course the level of effect.
Power in the format "mini-jack," like all the DOD.
UTILIZATION
This pedal, a very subtle, is used to restore the edge and thus to its accuracy.
Which is very practical to boost or lead them out of the mix a solo.
In my line of effect:
...…
So it's a pedal that is very simple:
-A switch to lock and a knob for adjusting the effect.
-4 Small LEDs that indicate the effect level in the game (which varies depending on the attack with a pick, the output level of the guitar and of course the level of effect.
Power in the format "mini-jack," like all the DOD.
UTILIZATION
This pedal, a very subtle, is used to restore the edge and thus to its accuracy.
Which is very practical to boost or lead them out of the mix a solo.
In my line of effect:
...…
Read more
Effects pedal that I bought new in September 2006 but was built in 1988 (according to the manual that comes with the catalog of that year DOD). I found a store in St-Brieuc.
So it's a pedal that is very simple:
-A switch to lock and a knob for adjusting the effect.
-4 Small LEDs that indicate the effect level in the game (which varies depending on the attack with a pick, the output level of the guitar and of course the level of effect.
Power in the format "mini-jack," like all the DOD.
UTILIZATION
This pedal, a very subtle, is used to restore the edge and thus to its accuracy.
Which is very practical to boost or lead them out of the mix a solo.
In my line of effect:
Guitar -> Dunlop Cry Baby -> DOD OD250 -> Electro-Harmonix Big Muff (Russian) -> DOD FX87 "The Edge" -> MXR M134 Stereo Chorus -> Guyatone 107 "Moving Box" -> Amp
SOUND QUALITY
Depending on the setting, the effect is passed almost unnoticed, as it can boost the high mids and treble to give precision to the sound ...)
The advantage of this is that it is very subtle if the setting is not too great and the pedal does not change at all the grain of the amp (or distortion used).
It can lead a truly personalized, it's great.
By clean, I used to bright.
In short, a special effect, which is not used constantly, which really personalizes the SON (the first and only time I see this pedal despite my almost daily visits of several forums in recent years ...) then find new and almost forgotten in a store is a chance.
OVERALL OPINION
Effect so unique, that has not sold to be very time I think.
I assume the other manufacturers have this kind of effects pedal (I think Boss for example, makes all sorts of effects anyhow) but it's the first effect of this type that I try and c 'is really great for solos that are well out of the mix.
I use it on almost all my solos.
Try it guys, if you find one ...
So it's a pedal that is very simple:
-A switch to lock and a knob for adjusting the effect.
-4 Small LEDs that indicate the effect level in the game (which varies depending on the attack with a pick, the output level of the guitar and of course the level of effect.
Power in the format "mini-jack," like all the DOD.
UTILIZATION
This pedal, a very subtle, is used to restore the edge and thus to its accuracy.
Which is very practical to boost or lead them out of the mix a solo.
In my line of effect:
Guitar -> Dunlop Cry Baby -> DOD OD250 -> Electro-Harmonix Big Muff (Russian) -> DOD FX87 "The Edge" -> MXR M134 Stereo Chorus -> Guyatone 107 "Moving Box" -> Amp
SOUND QUALITY
Depending on the setting, the effect is passed almost unnoticed, as it can boost the high mids and treble to give precision to the sound ...)
The advantage of this is that it is very subtle if the setting is not too great and the pedal does not change at all the grain of the amp (or distortion used).
It can lead a truly personalized, it's great.
By clean, I used to bright.
In short, a special effect, which is not used constantly, which really personalizes the SON (the first and only time I see this pedal despite my almost daily visits of several forums in recent years ...) then find new and almost forgotten in a store is a chance.
OVERALL OPINION
Effect so unique, that has not sold to be very time I think.
I assume the other manufacturers have this kind of effects pedal (I think Boss for example, makes all sorts of effects anyhow) but it's the first effect of this type that I try and c 'is really great for solos that are well out of the mix.
I use it on almost all my solos.
Try it guys, if you find one ...
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Tech. sheet
- Manufacturer: DOD
- Model: FX87 Edge
- Category: Guitar/Bass boosters
- Added in our database on: 11/13/2006
The FX87 debuted in late 1987-early 1988 as the "Psycho Acoustic Processor", an enhancer-type pedal not unlike the BBE Sonic Maximizer/Aphex Xciter/Boss EH-2. "Psychoacoustics" refers to how humans perceive sound, and like other enhancers the FX87 was designed to not be noticed when it was on, but would be noticable when turned off. Despite the simplicity of only one control knob (to control the amount of signal enhancement processing) and a LED meter (to indicate the amount of signal processing, and indicate an overload if the red LED is lit), the name of the pedal must have been confusing to potential buyers, because it was re-marketed as the FX87 "Edge" by mid-1988. Operation of the FX87 Edge must have still confused potential buyers, as it was discontinued in 1989.
- Control: Process; Level (LED meter) display
- From the manual: "The DOD FX87 EDGE pedal is a signal processor that adds a slight edge to the sound after other signal processing has dulled it. This gives the sound new prescence, clarity, and transparency using a unique signal conditioning process that has been re-engineered to fit in DOD's FX pedal chassis. The EDGE process uses 180o phase chancellation, narrow band delays, and indirect frequency pre-emphasis to create a side chain interference signal. When the FX87 side-chain is mixed back against the original signal, it cancels the specific frequencies where distortion and overload occur, without affecting adjacent frequencies. The EDGE process uses critically spaced (in octaves) tight-time delays to fill the holes left by the 180o phase notching. Indirect frequency accents are used to return the natural presence to the original signal."
- Historical context: DOD's previous "enhancer" pedals, the FX85 and 510-A (Performer series, for bass) basically provided an extra tone control instead of true BBE Sonic Maximizer-type signal enhancement. The FX87 replaced the FX85 in DOD's FX-series, but owed more to the concept of the BBE Sonic Maximizer and related processors than the FX85. While DOD seemed to follow Boss' lead more often than not in the 1980s, the FX87 actually pre-dated the Boss EH-2 Enhancer by almost three years (and ironically had been discontinued by the time the EH-2 was introduced in 1990).
- Catalog description: 1988
- Ad copy: Sharpen your axe.
- Technical info:
- Specifications: Input impedance = 500 k Ohms; Output impedance = 1 k Ohms; Band Width = 40 Hz to 16 kHz; Signal to noise ratio > 90 dB; Gain = Unity
- Notable IC chips: one TLO62CP low-power JFET op-amp; one LM324N low-power quad op amp; two 1458-type dual op amps
- Component-side circuitboard images: Feb. 1988 ("Psycho Acoustic Processor") March 1988 ("Edge", but the circuit board is probably a few months older than the rest of this pedal)
- FX heritage: FX85 FX87
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Other categories in Dynamic or volume pedals
Other names: fx87 edge, fx87edge, fx 87 edge