Re: IML: Stereo speakers/impedance

["Christopher Middlebrook" <delamothe@xxxxxxxxxx>]

What you did is fine. Unless you want to turn up the volume full blast, 4 ohm speakers won't hurt the 8 ohm impedance in the system. The main reason for this is that a lot of older radios used transformers as output stages, so there is good isolation from the transistor (or tube in the older models) amplifier stage.



Chris Middlebrook
1962 Custom Southampton

--- On Thu 11/09, Frederick Joslin < fljoslin@xxxxxxxx > wrote:

From: Frederick Joslin [mailto: fljoslin@xxxxxxxx]
To: mailing-list@xxxxxxxxxxxxxxxx
Date: Thu, 09 Nov 2006 13:30:54 -0500
Subject: Re: IML: Stereo speakers/impedance

I have a question about the speakers and stereo electronics in these older cars. In particular my 1969 LeBaron.

Are they 4 ohm or 8 ohm resistance?

For some reason I think that they are 8 ohm but could be wrong.

The reason that I ask is that almost all new automotive speakers are 4 ohm and if you use those with 8 ohm electronic equipment you run a serious risk of frying your equipment, especially older equipment.

There is no risk running 8 ohm speakers with 4 ohm electronics.

I have set up two 4 ohm 6" x 9" speakers in the back of LeBaron and wired then in series to the one rear speaker terminal giving 8 ohms resistance. I cannot do this at the front since there is only one speaker.

Of course if the resistance is 4 ohms I do not have to worry.

Thanks for any help

----- Original Message -----
From: "JAY D'ANGELO"
To: "mailing-list@xxxxxxxxxxxxxxxx"
Subject: IML: Stereo speakers
Date: Thu, 9 Nov 2006 08:38:48 -0800

I found a source that makes "dual cone"speakers to fit the original housing of older cars. The dual cone is 140 watts (model 3006) and comes in 5X7, 6X9 and 4X10 size. Each speaker has leads for the radio for true sound separation. They at $44.95 each thru a dealer. They also have "dual dash" which is two 3" speakers in one housing with four leads, 60 watts total (model 1006), but they sound more like tweeters and don't have the same sound quality as the dual cones.

I ordered a 6X9 and a 5X7 for the front and rear of my 64. Here is the link:

http://www.customautosound.com/

Here is a way to get four speaker stereo sound without putting speakers in unusual places.

Jay D'Angelo
64 Iml Cvt
Las Vegas

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