1951 Mercury Radio Model 1CM747-1 by Sylvania

Introduction

The 1951 Mercury was available with a Model 1CM747-1 radio that was manufactured by Sylvania Hygrade. It is an 8 tube AM only receiver. It predates stereo but does have a built-in control and connector for a rear speaker.

The radio dial did not move when the tuning knob was rotated and the buttons were all sticking. The following shows the radio after it was removed for restoration.

Sylvania Hygrade Radio, Model 1CM747-1 for a 1951 Mercury

The prececeding is a picture taken during the restoration process. The paper core of the original speaker was in very bad condition. We replaced the speaker with a new 7" x 9" oval speaker.

Controls and Connections

This section will describe the controls available and the connections to external resources.

Front View

The following shows the front view of the radio that has been removed from the car. It shows the controls that are available to the occupant of the vehicle.

Sylvania Hygrade Radio, Model 1CM747-1, Front View

Notice the six (6) buttons on the front. The left button is used as an "OFF" button, pressing this button will turn the radio off. The remaining five (5) buttons may be preset to an AM station of the user's choice. Once the station is preset then pressing the button will tune the radio to the preset station. Notice the button on the far right has been pulled forward from its normal position, this is how you preset a station. Use the tuning knob to select a station to be preset and then move the button to the left and pull the button forward and then push the button all the way back into the radio. The button will then be set to the station of choice.

Back View

The following shows the back view of the radio that has been removed from the car. It shows the connections to the speakers

Sylvania Hygrade Radio, Model 1CM747-1,Back View

WIP

Left Side View

The following shows the left side view of the radio that has been removed from the car. It shows the connection to the negative six volt DC power source.

Sylvania Hygrade Radio, Model 1CM747-1, Left Side View

This model radio was used in a 1951 Mercury. The original electrical design for the 1951 Mercury was a six volt DC system with a positive ground configuration.

Right Side View

The following shows the right side view of the radio that has been removed from the car. It shows the antenna connection and the antenna trim adjustment control knob.

Sylvania Hygrade Radio, Model 1CM747-1, Right Side View

WIP

Home Page for Picture Library

A link to the home page for the picture library

This is the starting point for a collection of pictures taken in our drives around the San Francisco Bay Area.

Summary

SimoTime is a proud supporter of the preservation of legacy or classics automobiles. This is an excellent example of the styling and engineering of the 1950's. Here's to the "Lead-Sled" and "Flatheads Forever". This was a time when gasoline was only twenty-five cents a gallon.

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