The schematic shown, does no need any power supply because is a simple low frequency passive filter. It could be usefull if you want to drive an extra subwoofer from your stereo system.
Comments
Nick wrote on Mar 13, 2008
Nice Schematic.
I think it must be between Pre and Poweramp right?
Gru? Niklas
jezzus wrote on Aug 7, 2008
The schematic is missing more comments - what 10K potentiometer does, how powerful should be resistors and potentiometers...
angelvirus wrote on Aug 29, 2008
i need subwoffer schematic circuit
Tibi wrote on Dec 21, 2008
To Jezzus...you should know the answer, while you are trying to build a circuit for low power signal part..it means the 10 K Potentiometer is for the voulme level setting, and you dont need any resistor with specal high power. the most output devices provides an output with max 0,1 wat or lower.
werdna wrote on Jun 14, 2009
What components would you have to change to increase frequency cutoff range to around 400hz?
anburaj wrote on Sep 14, 2009
Where to connect the circuit. i build the circuit and i connect before my sub woofer and also try to connect before my power amplifier input line but the circuit not working if i connect any 10k ,2k2 volume control(preset) please reply i have stereo amp ,sub-woofers 2*240w i want real bass effect
asbn wrote on Dec 13, 2009
could any one can tell more details about this circuit were like this circut to connect amp and capacitor in volts so im a beginer to electronics.
asbn wrote on Dec 13, 2009
sorry.Rewrite!. Could anyone can tell more details about this circuit were like we have to connect this circuit and how this circuit works, role of each components etc
Trippy wrote on Dec 18, 2009
You would wire this up after you sub PRE-amp but before your sub POWER amp (ie between the two).
most setups this will be running between the source unit and the poweramp/subwoofer. In most cases this wire has RCA connections either side. Do NOT wire this after your poweramp.
Rokas wrote on Jan 9, 2010
Did anybody had tried that? Post some examples to youtube, thanks.
shahul hameed s wrote on Jan 12, 2010
Best circuits with punched bass.Modified circuit with single op amp with good LF tonal response available.
s.shahhul hameed wrote on Jan 15, 2010
you should remember that frequency is inversly proportional to passive components lke resistors &capasitors.Use the formula for cutoff freq calculations f=159.2/rc .substitude the resistence &capacitance value directly.
shahulHameed s wrote on Jan 19, 2010
16.2 ch running surround sound system !!!!!. XY plane only . do you Want ? contact
jimmy wrote on Aug 8, 2010
be sure where to connect the circuit?im confuse where to connect this
s.shahul hameed wrote on Aug 19, 2010
3.2 ch surround circuit with good tonel response available contact me
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