Too Much Bass On The Speaker
 

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?

So little info makes this tough to answer. The 8" is on an open baffle (no
sides, no back)? Are you sitting close to it? Move it a couple feet farther
away. Turn down the bass control. Put a capacitor across the 8" speaker to cut
everything below say 100 Hz, or even 200 Hz; for calculations see appropriate
web sites. Move the speaker farther from the wall (if it's close).

Your question is just too vague.

James Boyk

**

Radio Man wrote:

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?

James Boyk wrote:

a capacitor across the 8" speaker to cut
everything below say 100 Hz, or even 200 Hz; for calculations see appropriate
web sites.

Putting a capacitor across the speaker will cut the high frequencies,
not the lows.

My guess is that there's not enough highs either because of a narrow
IF filter or a restricted audio amp.

Art N2AH

Radio Man,

Try to limit what you put through a shortwave radio receiver, most
receivers in that catagory are just classified as seperate tuners, if I had a
communications receiver like yours I would use a seperate amplifier
with equalizer to customize your audio settings. An equalizer
works to filter out certian non desired audio frequencies to
suit your listening tastes. Please use your communications
receiver like a seperate tuner, cause shortwave receivers have
woefully poor quality audio amps, which are only good for small "tiny"
communication " wide range " speakers, like background "muzak" speakers


Most speakers like yours have a cross over inside, and need a amp
to control whats being put through them.

What I wish that communication receiver builders do, is make a
communications seperate amplifier with bass and treble controls with also DSP
filters for large stereo speakers. Also MFJ makes a speech
enhancer that you can connect between your tuner to your seperate
amplifier, and if you want add a equalizer. Capacitors are good
for also but you will need the right non polarized axial lead
capacitor, but they are only good only for crossover designs.

Ok, Here are your sources for your good audio equipment

http://www.crutchfield.com : Audio Amps and Tape Decks, MD, Speakers
http://www.jandr.com : Audio Amps and Tape Decks, MD, Speakers
http://www.bestbuy.com : Audio Amps and Tape Decks, Speakers, PC's
http://www.radioshack.com : Budget Amps and Parts and Accessories
http://www.mfjenterprises.com : Speech Enhancer and Communications Speakers
http://www.rffun.com : DSP filters.

73s

"Radio Man" wrote in message ...
I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?

My Drake R8B has no problem driving a 10'' speaker to room filling
volume.

I'd suggest the Cambridge PC Works for your listening enjoyment if
your radio lacks audio authority.

They have a seperate subwoofer (with level control) that can be
located under your desk and a wired remote volume control.

http://www.cambridgesoundworks.com/s...z& type=store



On 21 Jun 2004 09:58:38 -0700,
(electronicdx) wrote:

Radio Man,

Try to limit what you put through a shortwave radio receiver, most
receivers in that catagory are just classified as seperate tuners, if I had a
communications receiver like yours I would use a seperate amplifier
with equalizer to customize your audio settings. An equalizer
works to filter out certian non desired audio frequencies to
suit your listening tastes. Please use your communications
receiver like a seperate tuner, cause shortwave receivers have
woefully poor quality audio amps, which are only good for small "tiny"
communication " wide range " speakers, like background "muzak" speakers


Most speakers like yours have a cross over inside, and need a amp
to control whats being put through them.

What I wish that communication receiver builders do, is make a
communications seperate amplifier with bass and treble controls with also DSP
filters for large stereo speakers. Also MFJ makes a speech
enhancer that you can connect between your tuner to your seperate
amplifier, and if you want add a equalizer. Capacitors are good
for also but you will need the right non polarized axial lead
capacitor, but they are only good only for crossover designs.

Ok, Here are your sources for your good audio equipment

http://www.crutchfield.com : Audio Amps and Tape Decks, MD, Speakers
http://www.jandr.com : Audio Amps and Tape Decks, MD, Speakers
http://www.bestbuy.com : Audio Amps and Tape Decks, Speakers, PC's
http://www.radioshack.com : Budget Amps and Parts and Accessories
http://www.mfjenterprises.com : Speech Enhancer and Communications Speakers
http://www.rffun.com : DSP filters.

73s

"Radio Man" wrote in message ...
I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?

of course you're right. i meant a cap in series. -james boyk

**

Art Harris wrote:
Putting a capacitor across the speaker will cut the high frequencies,
not the lows.

On Mon, 21 Jun 2004 02:09:37 -0500, Radio Man wrote
(in article ):

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?



Pad on the woofer/mid range?

++ Gray //

Next time dry the Bass off before putting it on your speaker! ;-)

"Gray Shockley" wrote in message
...
On Mon, 21 Jun 2004 02:09:37 -0500, Radio Man wrote
(in article ):

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?



Pad on the woofer/mid range?

++ Gray //

On Mon, 21 Jun 2004 07:09:37 GMT, "Radio Man"
wrote:

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?



My guess is it could be due to a combination of woofer (8")
resonance and under damping (high amplifier dc resistance).
Making it free standing, varying the height off the floor, not
placing in a corner or on a shelf or desk and other physical
orientations can change the room-speaker resonance dramatically
sometimes.

Stuffing fiber glass etc into the enclosure will dampen it as will
closing any enclosure ports (it could make it worse too).
Lifting the speaker off its baffle a bit (spacers) or completely
out will change the resonance a lot

The least efficient way is to try various inductors in parallel
with the 8" Try a 6, 12V secondary with and without a core or a
cheap woofer crossover coil.

Then there's adding negative feedback etc.

All in all it's proably easiest to just get another smaller
speaker.

On Mon, 21 Jun 2004 23:29:07 -0500, Ken wrote
(in article ):

Next time dry the Bass off before putting it on your speaker! ;-)


Heck, I didn't even de-scale it.

++ Same Guy //



"Gray Shockley" wrote in message
...
On Mon, 21 Jun 2004 02:09:37 -0500, Radio Man wrote
(in article ):

I recently connected an 8" speaker with a 2" tweeter in
a baffle to my receiver. The audio is much improved
except there is too much bass. Is there a practical fix
for this?



Pad on the woofer/mid range?

++ Gray //

Ken wrote:

Next time dry the Bass off before putting it on your speaker! ;-)

For some reason that reminded me of the gentleman who was refused a loan
at the bank. He was very polite and left. A bit later he rented a
safety deposit box there and filled it with some freshly caught fish
before throwing away the key.

I don't know if that story is true or not, but if it isn't, it should be.



mike


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..let the cat out to reply..

©Densa International
'Think tanks cleaned cheap'

Radio Man, try a 10uf non-polarized cap on your tweeter, to smooth out
frequency response. If you have a woofer coil, bypass it as well. Didn't see
what type of receiver you're using, but most modern solid-state units
emphasize bass-n-midrange as a means of fighting static crashes-n-other
hi-frequency rfi content. Utilizing outboard amplification, via tape output,
will produce acceptable hi-fi quality sonics. Got a cap modded ICOM R-75 which
now replicates that 70's-era Pioneer midrange-centric fidelity, when driven
through direct-coupled Marantz MR-235 amplification. Through the stock speaker,
though, audio is still pedestrian at best.

you need the nonpolarized capacitors that are used for speaker crossover
parts. radio shack used to have them fairly cheap. buy several of the
largest value ones. one of the caps will go in series with the speaker.
now it will sound thin and tinny. (like a midrange driver....... thats
what the caps are for, to limit the bass to a midrange or tweeter
driver) now drop another cap in parallel with the first one. there will
be more bass available due to the change in capacitance. keep increasing
the cap value this way until there is enough bass to sound like you
want.