[NJARC] Sony Radio Speaker Question 3.2 Ohm vs 8 Ohm

[Charles Blanding]

By the way, if the radio has a direct coupled output stage, a 4.7 ohm 1 watt
resistor in series with the 3.2 ohm speaker will give almost a perfect match
for the 8 ohm radio. The volume will be reduced 50%, but most of these
radios have so much gain that they go into clipping at half volume or more
anyway. Try it and see. 

-----Original Message-----
From: njarc-bounces at mailman.qth.net [mailto:njarc-bounces at mailman.qth.net]
On Behalf Of Rich L.
Sent: Friday, November 10, 2017 4:06 PM
To: 'E. Suhaka'; 'New Jersey Antique Radio Club'
Subject: Re: [NJARC] Sony Radio Speaker Question 3.2 Ohm vs 8 Ohm

Just remember
Reply = Poster
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_________________________________________________________
Ed, you can get more distortion at high volume levels and your battery life
will be reduced due to the higher peak currents in the audio output stage.
But if it sounds good, use it!

Rich

-----Original Message-----
From: njarc-bounces at mailman.qth.net [mailto:njarc-bounces at mailman.qth.net]
On Behalf Of E. Suhaka
Sent: Friday, November 10, 2017 11:48 AM
To: New Jersey Antique Radio Club
Subject: [NJARC] Sony Radio Speaker Question 3.2 Ohm vs 8 Ohm

Just remember
Reply = Poster
Reply All = Everyone

_________________________________________________________
I have a Sony portable transistor radio with a bad speaker in need of
replacement.  The speaker is four inches diameter, 8 ohms, 2 watts. 
In my junk box I have a four inch speaker, 3.2 ohms, 3 watts.  I tested the
junk box speaker with the radio and it seems to work OK.  Can anyone tell me
if there might be some problem in the long run by using the 3.2 ohm junk box
speaker in place of the original 8 ohm speaker?  It would be nice to know
before I install the speaker (looks like I will have to use hot glue), slip
in five pot and switch sliders and button up the whole thing with a bunch of
screws.

Regards,

Ed S.
N2COV

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