Hi everyone,I have a vintage Pearce Simpson Tiger40A CB radio and I was wondering how to power it? I attached some pictures of the power cords.
Pearce Simpson "Tiger 40A"
Pearce Simpson "Tiger 40A"
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How to power a vintage CB radio?
- Thread starter Rt169Radio
- Start date
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Powera vintage CB
The picture suggests that the screw in the black lead was used to ground it to the car body and the red lead went to the positive connection, which should be directly to the battery or an empty spot in the fuse panel. If this has not been used recently, I would get a good quality variable power supply intended for use with 12 volt two way radios. Connect the radio according to the instructions, making sure the AC power is off, and start with the voltage turned to 0. Turn on the power supply and gradually bring the voltage up to about 13 volts. If you notice any noises or smoke, turn it off fast. If all goes well, hook up your antenna and you are good to go. Old radio have parts that may not age well, and a sudden surge of voltage can spell instant death.
The picture suggests that the screw in the black lead was used to ground it to the car body and the red lead went to the positive connection, which should be directly to the battery or an empty spot in the fuse panel. If this has not been used recently, I would get a good quality variable power supply intended for use with 12 volt two way radios. Connect the radio according to the instructions, making sure the AC power is off, and start with the voltage turned to 0. Turn on the power supply and gradually bring the voltage up to about 13 volts. If you notice any noises or smoke, turn it off fast. If all goes well, hook up your antenna and you are good to go. Old radio have parts that may not age well, and a sudden surge of voltage can spell instant death.
Very basically, the red wire goes to the (+) terminal, the black wire to the (-) terminal. The suggestion about starting at a lower voltage and going to the 'normal' voltage is a fairly good one! Things age, and that sometimes means that they won't work as expected or at all. Finding that out at a low voltage means less components may fail, meaning less repairs (maybe).
Have fun.
- 'Doc
Have fun.
- 'Doc
Cruiseomatic
Member
Slow power up is a good idea, But First, take the cover off and visually check it. It may have an obvious short or corroded wire and powering it up could kill it beyond resurrection. I take the same approach with these type of radio's as I do old tube radios before I do a restore on them.
Thanks for the info.
TheCam
Newbie
Its 12 V, just attach it to a 12 V auto battery, nothing bad can happen, it is only 12 volt. Put a 2-5 amp fuse in, if it blows, put a 10 amp fuse in, if that blows, scrap the project for a 30 yr old CB radio.
Good Luck
Good Luck
keevel
Member
Anybody remember those "Booster" power supplies where you passed your antenna output through the power supply and while receiving the radio would be supplied with 12 volts and then when you hit the transmit key the voltage was raised to 15 or 16 volts to give max un amplified output?
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