Modify Parapix Bass Boost Gain - diyAudio
Go Back   Home > Forums > Amplifiers > Chip Amps

Chip Amps Amplifiers based on integrated circuits

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 19th March 2013, 10:34 PM   #1
diyAudio Member
Join Date: Sep 2011
Default Modify Parapix Bass Boost Gain

Hi everyone,

I'm planning on building a set of sealed subwoofers using Peerless SLS 10" drivers and a pair of Parapix Subwoofer Amplifiers.

The Parapix amps use two LM3886 chips, which can be bridged to get 120w into 8 ohms. They also come with a bass boost, which entails a 12dB boost at 33.5Hz. More info on the amplifier here: ParaPix Subwoofer Amp Info

The amplifier schematic is here:

I'd like to modify the gain of the bass boost function to around 6dB (half). This is a much better number and models really well in WinISD with the SLS driver.

Any ideas on which components to change to yield a lower gain?

Thanks in advance.

  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
LT with gain-dependent boost limiter - a new idea? CharlieLaub Subwoofers 21 9th February 2013 05:37 PM
How to figure gyrator treble boost gain graygem Analog Line Level 2 20th April 2012 07:56 PM
Noisy gain boost bereanbill Tubes / Valves 17 15th April 2009 05:51 PM
Marshall Valvestate 8080 low gain on Boost Channel mgjimbo Solid State 0 28th May 2008 03:04 AM
Preamp question/ input gain boost 3-LockBox Class D 2 13th June 2006 04:23 AM

New To Site? Need Help?

All times are GMT. The time now is 07:48 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.
Copyright 1999-2015 diyAudio

Content Relevant URLs by vBSEO 3.3.2