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Mono to Stereo RCA Adaptor

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Anonymous   12-29-2004 at 05:43:56 AM

Archived from groups: rec.audio.tech (More info?)

 

Hi,

I just bought my mom a home entertainment system ... but while I was
trying to connect her VCR I noticed it only has one RCA audio out. The
entertainment system only accepts inputs with two RCA plugs (white and
yellow).

So I figured I need a Y adaptor for the VCR, that converts the Mono
from the VCR to stereo. Then I can connect the VCR to the entertainment
system using regular white/yellow RCA wires. Does that make sense ?

Now I was looking for such an adaptor locally at a Radioshack and the
salesman gave me a part number 274-881 and told me that is what I need:
http://www.radioshack.com/product. [...] ite=search

However, it reads mono adaptor, and says nothing about splitting the
audio into stereo or whatever. The inputs for the RCA plugs are not
colored white and yellow and its specs read 'accepts two phono jacks'.
I don't even know what phono means, so I am not sure this is what I
want.

Can someone please let me know if this will serve my purpose ... and if
not, what adaptor should I get. My selection is limited to radioshack,
since I am outside america right now and all I have in the locality is
a radioshack.

tia,
rouble

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Anonymous   12-29-2004 at 06:19:18 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

rouble wrote ...
> I just bought my mom a home entertainment system ... but while
> I was trying to connect her VCR I noticed it only has one RCA
> audio out. The entertainment system only accepts inputs with
> two RCA plugs (white and yellow).
>
> So I figured I need a Y adaptor for the VCR, that converts the
> Mono from the VCR to stereo. Then I can connect the VCR to
> the entertainment system using regular white/yellow RCA wires.
> Does that make sense ?

Yes. That is correct.

> Now I was looking for such an adaptor locally at a Radioshack
> and the salesman gave me a part number 274-881 and told me
> that is what I need:
>
> However, it reads mono adaptor, and says nothing about splitting
> the audio into stereo or whatever.

It connects two female RCA jacks (female) to a single RCA plug
(male). What Radio Shack calls it is not material.

You aren't really "splitting audio into stereo". You are just feeding
the monaural audio to both the Left and Right Stereo channels.

> The inputs for the RCA plugs are not colored white and yellow

Makes no difference whatsoever.

Note that Yellow = video, White = Stereo Audio Left, and
Red = Stereo Audio Right. You should be connecting the yellow
plug to the video output from the VCR, and the red and white
plugs to the adaptor you have selected.

> and its specs read 'accepts two phono jacks'.
> I don't even know what phono means, so I am not sure this
> is what I want.

"RCA" and/or "phono" are the western-hemisphere names
for this kind of connector. In Europe, etc. they have other
names like "Cinch", etc.

> Can someone please let me know if this will serve my purpose.

It is exactly the right choice.

Reply to Anonymous
Anonymous   12-29-2004 at 06:08:34 PM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

On 28 Dec 2004 23:43:56 -0800, rouble@gmail.com wrote:

>I just bought my mom a home entertainment system ... but while I was
>trying to connect her VCR I noticed it only has one RCA audio out. The
>entertainment system only accepts inputs with two RCA plugs (white and
>yellow).
>
>So I figured I need a Y adaptor for the VCR, that converts the Mono
>from the VCR to stereo. Then I can connect the VCR to the entertainment
>system using regular white/yellow RCA wires. Does that make sense ?


You can't convert mono to stereo. But you can feed a mono signal
into both sides of a stereo system. (This is a pedantic point, you
may ignore it:-)

You can connect your mono output to one of the stereo inputs. This
will work fine, but sound will come out of only one channel. Is this
a big deal?

You can get a cable or adaptor that spilts one output in two. One
end needs a single RCA plug, the other needs two RCA plugs. Phono
is another name for RCA.

Colours don't matter, of course :-)

Reply to Anonymous
Anonymous   12-29-2004 at 09:45:41 PM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

In article <1104306236.830972.162180@f14g2000cwb.googlegroups.com>,
rouble@gmail.com says...
>Hi,
>I just bought my mom a home entertainment system ... but while I was
>trying to connect her VCR I noticed it only has one RCA audio out. The
>entertainment system only accepts inputs with two RCA plugs (white and
>yellow).
>So I figured I need a Y adaptor for the VCR, that converts the Mono
>from the VCR to stereo. Then I can connect the VCR to the entertainment
>system using regular white/yellow RCA wires. Does that make sense ?
>Now I was looking for such an adaptor locally at a Radioshack and the
>salesman gave me a part number 274-881 and told me that is what I need:
>http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=&pro
duct%5Fid=274%2D881&site=search
>However, it reads mono adaptor, and says nothing about splitting the
>audio into stereo or whatever. The inputs for the RCA plugs are not
>colored white and yellow and its specs read 'accepts two phono jacks'.
>I don't even know what phono means, so I am not sure this is what I
>want.
>Can someone please let me know if this will serve my purpose ... and if
>not, what adaptor should I get. My selection is limited to radioshack,
>since I am outside america right now and all I have in the locality is
>a radioshack.

Stop! Don't do anything else until you read the manual. On most equipment
the yellow jack indicates video input, not audio. You can't convert mono
to stereo. You can get dual mono, but not stereo. The plug the RS sales
droid try to sell you is not going to help. I would suggest letting someone
with some experience setting up equipment help you do this.
------------
Alex

Reply to Anonymous
Anonymous   12-30-2004 at 03:42:48 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

rouble@gmail.com wrote:
> Hi,
>
> I just bought my mom a home entertainment system ... but while I was
> trying to connect her VCR I noticed it only has one RCA audio out. The
> entertainment system only accepts inputs with two RCA plugs (white and
> yellow).
>
> So I figured I need a Y adaptor for the VCR, that converts the Mono
> from the VCR to stereo. Then I can connect the VCR to the entertainment
> system using regular white/yellow RCA wires. Does that make sense ?
>
> Now I was looking for such an adaptor locally at a Radioshack and the
> salesman gave me a part number 274-881 and told me that is what I need:
> http://www.radioshack.com/product. [...] ite=search
>
> However, it reads mono adaptor, and says nothing about splitting the
> audio into stereo or whatever. The inputs for the RCA plugs are not
> colored white and yellow and its specs read 'accepts two phono jacks'.
> I don't even know what phono means, so I am not sure this is what I
> want.
>
> Can someone please let me know if this will serve my purpose ... and if
> not, what adaptor should I get. My selection is limited to radioshack,
> since I am outside america right now and all I have in the locality is
> a radioshack.
>
> tia,
> rouble
>
Depends a bit... NORMALY Red = right audio, white = left audio & yellow
= video outputs _or_ inputs; you can take the mono audio output of the
video, split it (with you R. Shack splitter) and feed it into the L&R of
the HiFi. However, it MAY be that the entertainment system is capable
of switching video sources and/or digital audio.

In short, you need to read the manual.

Good luck!

Reply to Anonymous
Anonymous   12-29-2004 at 09:45:42 PM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

"Alex Rodriguez" wrote ...
> Stop! Don't do anything else until you read the manual.
> On most equipment the yellow jack indicates video input,
> not audio.

Rouble has already been advised of this mistake.

> You can't convert mono to stereo. You can get dual mono,
> but not stereo.

Rouble has already been advised of this misconception.

> The plug the RS sales droid try to sell you is not going to help.
> I would suggest letting someone with some experience setting
> up equipment help you do this.

I have experience setting up equipment. The plug the RS sales
droid recommended is exactly what Rouble needs for the job
(assuming the proper cables).

If you think there is a technical problem with the advice given
so far, please state exactly what it is. Else I stand by my original
response.

Reply to Anonymous
Anonymous   12-30-2004 at 05:10:50 AM
- 0 +

Archived from groups: rec.audio.tech (More info?)

 

>
>>I just bought my mom a home entertainment system ... but while I was
>>trying to connect her VCR I noticed it only has one RCA audio out. The
>>entertainment system only accepts inputs with two RCA plugs (white and
>>yellow).
>>
>>So I figured I need a Y adaptor for the VCR, that converts the Mono
>>from the VCR to stereo. Then I can connect the VCR to the entertainment
>>system using regular white/yellow RCA wires. Does that make sense ?
>
>
>You can't convert mono to stereo. But you can feed a mono signal
>into both sides of a stereo system. (This is a pedantic point, you
>may ignore it:-)
>
>You can connect your mono output to one of the stereo inputs. This
>will work fine, but sound will come out of only one channel. Is this
>a big deal?
>
>You can get a cable or adaptor that spilts one output in two. One
>end needs a single RCA plug, the other needs two RCA plugs. Phono
>is another name for RCA.
>
>Colours don't matter, of course :-)
>
>

Usually in home Hi Fi systems the colors for audio inputs are red and white.
Yellow is usually a video input.

But yours could be different.
Richard H. Kuschel
"I canna change the law of physics."-----Scotty

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