Boss BF-2 Flanger (Japan)

Boss BF-2 Flanger (Japan)

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BF-2 Flanger (Japan), Flanger for Guitar from Boss.

6 user reviews
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Boss BF-2 Flanger (Japan) tech. sheet

  • Manufacturer: Boss
  • Model: BF-2 Flanger (Japan)
  • Category: Flangers for Guitar
  • Added in our database on: 09/29/2007

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Boss BF-2 Flanger (Japan) user reviews

Average Score:4.7( 4.7/5 based on 6 reviews )
 5 reviews83 %
 1 user review17 %

iamqman's review"Perhaps a bit smoother"

Boss BF-2 Flanger (Japan)
This is one great sounding flanger pedal. Some say the Japnese version sound more smooth and a little more refined than the Taiwan version but I think they are both the same. Unless you A/B them together that would be the only way to tell for sure and even still both version are fantastic. The change of manufacturing countries ended in Japan in 1990.

It is amazing how the limited number of amps and effects were back in the 80's to guys and still were able to pull off some of the best created rock tones to this day. Well it seems a lot of them would get really creative with the stuff that they had rather than gassing for something they didn't have.

Ronnie Le Treko used this pedal as a boost in front of a simple Marshall amp. He would run the pedal with all of the knob in the off position except for the level/volume/manual. This would give a midrange boost to the amp and would get that great tone he was so famous for in the 80's.


Version differences from Boss forum.

* The BF-2 exists in both metal screw and plastic screw versions.
* The earlier versions had all black knobs. These where later changed to the white top knobs. The change took place 1990, very close to the same time that production was moved to Taiwan
* There may be some BF-2's in pink. This was the original colour choice, but it was changed to purple in the last minute. Whether some pink ones exists out there is uncertain.
* The BF-2's design remained virtually unchanged through its more than 20 year lifespan. The TL022CP opamp was replaced with the Sharp IR9022 opamp at some point but apart from that, the ciruit remained unchanged.


The tone of the flanger is a very good and usable tone. You get a very lush tone that really widens the signal to explore warm flanger tones. Te flanger itself is a great feature but as a get more into guitar playing instead of effects using I find myself leaning towards using it as a preamp. If you run this pedal in front of a Marshall Plexi, JMP, or a JCM800 you can get a very cool and usable Le Treko tone or just a boosted midrange distortion tone. It is cool for getting that 80's grind that was distinctly 80's hair metal. This is a great little unit. It is a fantastic sounding flanger and the lush chorusy flanger effects sound amazing. So if you use it as a flanger it sound amazing and if you use it as a booster it sounds amazing as well.


These pedals have now been discontinued and have been updated with the Boss Bf-3. Pretty much the same pedal with a few minor and not that noticeable features. On the classifieds you can find this pedal for right around $50 or so. They are pretty inexpensive and not a big investment to find a cool effects pedal or booster pedal.


AceLeppard's review (This content has been automatically translated from French)" Personally disappointed!"

Boss BF-2 Flanger (Japan)
Mono analog Flanger pedal made in Japan.
one input, one output.
4 knobs: manual, depth, rate and res.
powered by 9V battery or AC adapter.


Hmm ... editing sounds is complex. It's not like a chorus or direct means that changes in the modulation: the knobs are the one, interactive, and two subtle. In addition, the knobs were a little hard on mine ...
For once, here is a pedal that I would have liked the manual!
I guess it should not be complex to program for that is accustomed to flangers ^ ^


I did not like ... I bought this pedal because it was cheap second-hand will have one some time, led by the sound of Eddie Van Halen ... It should definitely Mxr for this type of sound.
on the other hand, or for the Cure "Purple Rain" by Prince (entire album in full) we are very much in mind!
The pedal seemed clear, but the tone was eating a lot of the direct sound effect when pressed.


I used it a few months and then sold to a friend. I bought this more out of curiosity than anything else. I think definitely prefer the Phaser, Chorus and more.
It can be found for not much used, but new FL3, although Taiwannaises seem as good and much more flexible!
I do not have that choice would do it knowingly, and once again I urge everyone to try the pedal according to its needs;)

gromeul's review (This content has been automatically translated from French)

Boss BF-2 Flanger (Japan)
Analog Flanger:
4 buttons (manual, spleen, depht & resonance)
LED on / off
An input / output jack
connector adapter 9v
9v battery cover




The flanger is effective and rconcilie me (like the chorus) with this effet.J 'sounds like subtle than can be achieved fairly quickly, but the most "wild" and are just psychdliques is possible!


Found in a bottom drawer, a friend bought there are at least 20 rods, I like the sound of the pedals, that's it!

loriasavage's review (This content has been automatically translated from French)

Boss BF-2 Flanger (Japan)
Vintage flanger pedals (circa 1985)
manual, depth, rate, resonance takes to his sounds
the sound can be dug and a desire to work


Even a hard of hearing can find her beautiful,
Use super simple, not making his head ring and c is.


Flanger hot and powerful.

coupled with the clean amp is my royal, are really of good quality trs we quickly became addicted, precise, well-rounded

and a distortion is that of happiness, it's like really rate a plane when it takes off


Nothing to say negative about the pedals, it does its job.
j got super hard to find one, it starts to be really rare.
The boss bf2-japan is a REFERENCE in terms of flanger, c is the high end in my opinion
APRS have to try the MXR flanger from home and her little sister's BF 3, C is bf2 convinced that my 100%

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  • Boss BF-2 Flanger (Japan)
  • Boss BF-2 Flanger (Japan)
  • Boss BF-2 Flanger (Japan)
  • Boss BF-2 Flanger (Japan)

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