Passive sub low bass cut off required?

Discussion in 'DIY Discussion' started by sastusbulbas, Jan 17, 2010.

  1. sastusbulbas


    May 21, 2006
    Likes Received:
    Passive sub low bass cut off required?

    Anyone know of a simple bass filter for a passive sub? Or a simple cheap sollution before the power amp?

    I would like to be able to cut the low bass around 19Hz or 25Hz in a passive 100 liter sub, to protect the cone from over excursion and was wondering if anyone knew of a simple circuit or such I could build or buy?

    I am also wondering if I should fit a passive low pass filter crossover? Though it will be utilised with sub out from an AV amp?

    Really I want to roll of the low bass from around 25Hz or 19Hz and don't need anythng above 120Hz I guess? It's a simpe 100 litre ported enclosure with a 15" driver which will be port tuned to either 19Hz or 25Hz.

    sastusbulbas, Jan 17, 2010
    1. Advertisements

  2. sastusbulbas

    themadhippy seen it done it smokin it

    Jun 19, 2003
    Likes Received:
    by the cross
    simplest thing would be a capacitor of around 1000uf and an inductor of 10 mh in series with the driver,assuming its an 8 ohm driver.
    themadhippy, Jan 17, 2010
    1. Advertisements

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Similar Threads
There are no similar threads yet.