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 Post subject: Zenith K731 Refurbish - Update! (GIANT PHOTOS)
PostPosted: Jun Tue 25, 2019 9:57 pm 
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Joined: Jun Mon 24, 2019 8:41 pm
Posts: 3
Location: Vancouver, WA
A few months ago I picked this old radio up. Worked perfectly but that wasn't enough for me. I went to Parts Express, ordered some speakers and started the project. Below are the pictures of the progress so far.

The radio before I took it apart, in original condition
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After the box has been stripped, sanded and ready for stain
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Stained with 4 coats of satin, wipe on poly
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Then I started on the front face plate, had to make a new one to accommodate the new speakers.
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Front plate finished and new studs glued in for the new speakers.
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Original grill cloth glued back into place and speakers mounted
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Front face back in the box, you can see how I have the speakers wired here.
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And this is how it sits now. I need to figure out how to get the new and old tech to work well together.
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This is the part that's making my brain all melty...
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 Post subject: Re: Zenith K731 Refurbish - Update! (GIANT PHOTOS)
PostPosted: Jun Wed 26, 2019 10:24 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 8403
Location: Beautiful Downtown Burbank CA
Alexa, play some rock and roll.


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 Post subject: Re: Zenith K731 Refurbish - Update! (GIANT PHOTOS)
PostPosted: Jun Fri 28, 2019 5:46 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 20759
Location: Warner Robins, GA
I think you will find that the radio does not go as loud with the new speakers given the low output power of 1.5 watts unless the new speakers are more efficient than the original. Also you may lose some bass response unless the new speakers have better bass response than the original.

The best way to make the new stuff play with the radio is to get a small FM transmitter and just tune the radio to the frequency you set the transmitter at.

Given the radio is AC/DC meaning one side of the line is connected to the chassis, I would not recommend connecting any external input to the radio.


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