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Sanwa OBSFE Silent 30mm Pushbuttons: Black


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$3.45 (USD)
0.38 Ounces
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  • Product Description

    Please Note

    Sanwa plungers within our Mix & Match Plunger category - while compatible with the OBSFE button housing - will not silence the button in the same manner.  The OBSFE's redesigned plunger is responsible for the OBSFE's silencing capabilities.

    For players desiring a quieter button without the need for a foam pad, Sanwa introduces the second generation of their silent button series, the OBSFE.

    New Material, Newly Designed Plunger

    Sanwa OBFSE plunger design

    Sanwa's original model, the OBSFS, utilizes a circular foam padding to dampen the clacking sound caused by the plastic internals of the plunger hitting the bottom of the button housing.  In Gen 2, the plunger's housing is redesigned specifically to avoid "bottoming out", or hitting the button housing with the same force as the original models.  Instead it stops specifically at a point determined by the reinforced structure near its center where it connects to the Sanwa's input-sensitive SW-68 microswitch

    Of note, in our tests it is possible remove the plunger from OBFSE's housing by squeezing the tabs under the SW-68 microswitch and pushing upward.  You cannot remove the plunger traditionally by using a mini screwdriver or other object to push the tabs upwards, as no tabs exist on the OBSFE's plunger.

    In addition, a new softer and rubberized material is used to construct the button plunger.  You can actually bend and squeeze the bottom portion of the button without much fear of breaking the bottom supports. A clearcoat is placed atop the plunger to replicate the feel of Sanwa's original model.

    Overall, the new plunger is the defining feature of the OBSFE - it is how Sanwa's second generation button achieves its new sound dampening method without the use of a foam pad.

    Silence is (Still) Golden

    The SANWA OBSFE-30 continues as the standard in high-quality Japanese arcade and commercial joystick pushbuttons. These buttons are compatible with the MadCatz line of FightSticks, Qanba FightSicks and Hori Fightstick, plus custom joysticks that use a metal control panel.

    24 vs 30mm

    When processing orders, a frequent mistake we found among new players is choosing the wrong size for action buttons, such as punch and kick.

    Within the fighting game genre, Japanese arcade buttons commonly consist of two diameter sizes: 24 millimeter and 30 milllimeter (mm). In most configurations, 30mm represents your action button.  These are front facing, appearing most prominent on your Fightstick control panel.  Option button, such as "Start", "Select", or more recently "Option", "Touch", or "Share" are usually 24mm.

    UPDATE: Owners of Neo Geo AES Joysticks will need 24mm pushbuttons instead of 30mm (Thanks SRK's DEZALB)

    Below is a visual representation of a common Fightstick control panel.  Throughout this article, we will mark 24mm in green, and 30mm in Orange.

    Common joystick configuration

    Checking the Proper Size

    button-30mm.pngAnother way that players can misinterpret the pushbutton size is by measuring the pushbutton plunger.  Have a look at the diagram at right.

    The plunger - the part that you press down to represent an input - is 25mm or a bit smaller in most 30mm pushbuttons.  Often this leads to the conclusion that one needs a 24mm button and not 30mm.

    Similarly measuring the button rim can lead to confusion, as it is intentionally larger than the button hole it is placed in.  You don't want to use these measurements.  Instead, review the button housing diameter, or the hole the button will be placed in.  You can do this with a caliper - a digital caliper is often quite helpful for this and other arcade-related projects.

    Control Panel Configuration

    Most Fightsticks from MadCatz, Hori, Qanba, and similar will use these two sizes.  How the buttons are used will depend on the model joystick that you own. Over time, we'll provide example configurations for specific popular Fightstick models and arcade cabinets using the color key for 24mm (green) and 30mm (orange).  We'll also expand the key for future models if another size is introduced, and we offer for sale.


    24vs30mm Hitbox Example
    HRAP and Qanba Model Configuration
    MadCatz Model Configuration
    Qanba Q1 and Mayflash/Venom Model Configuration

  • Product Reviews


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    1. Awesome

      No more hard tapping love them. on May 13th 2022

    2. Good feel and look, but.....

      My white 2nd generation Sanwa Silent 30mm buttons I had installed on my fightstick have started yellowing after having owned the buttons for less than a year. It was very visible to me, sticking out more so because the button housing is still made of the original material; only the plunger material has changed to the rubberized material. The end result after barely 6 months of use was white rimmed yellowish buttons on Jun 6th 2021

    3. Highly recommend but know how to take them apart.

      I love these buttons. They feel identical to the non silents as the part thats responsible for the sound is made of a sort of plastic/rubber material, instead of there being rubber added as padding.

      The sound difference is night and day!

      Though as a note, I had trouble with a couple of buttons sticking a while ago. Luckily the buttons are super easy to take apart.

      I took them apart, added some plastic grease and I was good to go!
      on Nov 17th 2020

    4. Feels the same, less noise!

      I no longer wake my partner up at night!
      I haven't noticed any difference in the feel of the buttons, they still feel super nice!

      Super happy with them, I have a couple of sticks and this is always my go to!
      on Mar 11th 2020

    5. More silent than the standard buttons

      Definitely more silent but will still make sounds. I think it's worth it for the extra costs. on Dec 25th 2019

    6. Quiet buttons with no impact to feel

      These buttons work great. I primarily play in a living room with not much sound insulation, so the normal buttons were too loud and annoyed family members late at night. But that’s not the case with these. Easy install, and I notice no difference to performance. on Jul 31st 2019

    7. This is it!

      These are the perfect balance between silence and actual feel of play. Without that foam pad i feel i am playing on a Sanwa again. The slight material difference is really amazing too!(They should make the housing out of it too) While i agree its a bummer that we cant just by the cap the only thing id really say is we need more COLORS ASAP! on Jun 19th 2019

    8. Nice Quiet Sound

      It's a great improvement over my stock buttons on my Obsidian and the soft material its made of genius. on Apr 24th 2019

    9. Amazing buttons if you want something quiet but not mushy

      These are an amazing improvment over gen 1. They don't quiet have the full tactile bottom out of non silents but feel very close to normal sanwa buttons and are amazingly quiet . only thing I wish is they sold just the caps as you could pretty much retro fit other sanwa buttons into new silents.since the magic is in the New too cap . but for the price its not to bad on Apr 23rd 2019

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