Maker Pro
Maker Pro

headset boost

D

Daniel Inston

Jan 1, 1970
0
I've attacked an old cordless phone and wired in a headset so that I can use
it hands free. I simply disconnected the phones mic and speaker and wored
them up to a headset socket.
While the mic works well; other party can hear me, I find that the earpiece
of the headset, even with the volume up loud is not quite enough if there is
any background noise.
So what I want to do is boost the phones speaker volume slightly so that the
volume control on the headset has some range to it. I thought that a garden
variety transistor might do it, along with a resistor or two.
Problem is - I dont know how - I can only follow instructions when it comes
to this sort of thing - so I am hoping that someone here will provide some
help.

Thanks in advance.
Daniel Inston
 
D

David Wood

Jan 1, 1970
0
You won't like this advice but, throw away the mess you've made and
buy a cheap commercial headset. After everyone you talk to on it
complains about the poor quality of the sound, resume using a handset
or buy a much better headset.

By the way, I've recently discovered a way to more easily move things
from place to place that employs a section of tree trunk with a hole
in the center and a stick through the hole.
 
J

JeffM

Jan 1, 1970
0
By the way, I've recently discovered a way to more easily move things
from place to place that employs a section of tree trunk with a hole
in the center and a stick through the hole.

C'mon. David Wood is just an alias, right?
Your real name is Gallagher isn't it?
 
D

David Wood

Jan 1, 1970
0
No, but sometimes watching people do things in the most difficult and
expensive way they know while asking others to advise them of even
more difficult and expensive variations is a bit much for me and my
sense of humor kicks in.
 
W

Watson A.Name - Watt Sun, Dark Remover

Jan 1, 1970
0
I've attacked an old cordless phone and wired in a headset so that I can use
it hands free. I simply disconnected the phones mic and speaker and wored
them up to a headset socket.
While the mic works well; other party can hear me, I find that the earpiece
of the headset, even with the volume up loud is not quite enough if there is
any background noise.
So what I want to do is boost the phones speaker volume slightly so that the
volume control on the headset has some range to it. I thought that a garden
variety transistor might do it, along with a resistor or two.
Problem is - I dont know how - I can only follow instructions when it comes
to this sort of thing - so I am hoping that someone here will provide some
help.

The handsets I've worked with use a 150 ohm element, so your problem
is probably that the headset you're using is a 16 ohm headset, and
needs a matching transformer to match it to the 150 ohm output. This
can be a very small transformer, and using a transformer means you
won't have to waste any battery current.

If you must use a device, try the LM386, which is available at Radio
Snack. It needs a minimum of parts and doesn't need much current.

Thanks in advance.
Daniel Inston


--
@@[email protected]@[email protected]@@[email protected]@[email protected]@[email protected]@@[email protected]@[email protected]@[email protected]@,@@[email protected]@[email protected],@@[email protected]@[email protected]@[email protected]@
###Got a Question about ELECTRONICS? Check HERE First:###
http://users.pandora.be/educypedia/electronics/databank.htm
My email address is whitelisted. *All* email sent to it
goes directly to the trash unless you add NOSPAM in the
Subject: line with other stuff. alondra101 <at> hotmail.com
Don't be ripped off by the big book dealers. Go to the URL
that will give you a choice and save you money(up to half).
http://www.everybookstore.com You'll be glad you did!
Just when you thought you had all this figured out, the gov't
changed it: http://physics.nist.gov/cuu/Units/binary.html
@@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@@[email protected]@[email protected]@@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@[email protected]@@
 
A

Ardent

Jan 1, 1970
0
X-No-Archive: yes

If you must use a device, try the LM386, which is available at Radio
Snack. It needs a minimum of parts and doesn't need much current.

Well, my Dad is hard of hearing and he found it irritating to switch
to T-coil and adjust the volume everytime there was a call for him. I
fitted a 386 inside the base instrument of the nomal telephone and now
my Dad is making more calls without bothering with his aid!!

HTH
 
Top