I was given a radio chassis with out a speaker or case. I would like to test the chassis to see if it works but I need some information for hooking up a speaker. The chassis does not have a name on it as far as a manufacture goes but most of the tubes say Wards on them so I am guessing the chassis is from a wards radio. The model number on the chassis is 93WG-809C. Here is the list of tubes on the chassis...5Y3GT, 6F6G, (3)6SK7's, 6SQ7, 6SA7. It looks like 3 bands. It has a RCA jack and switch on the back for TV audio and a socket with 5 connections for the speaker. No output transformer for the speaker on the chassis. If someone could help me hook a speaker up for testing I would sure appreciate the help. A picture of the radio would be great also. Thanks for your help!

Ken K:
The info for this set is listed on this site. http://www.nostalgiaair.org/PagesByModel/974/M0011974.pdf

Leon

:I was given a radio chassis with out a speaker or case. I would like to test the chassis to see if it works but I need some information for hooking up a speaker. The chassis does not have a name on it as far as a manufacture goes but most of the tubes say Wards on them so I am guessing the chassis is from a wards radio. The model number on the chassis is 93WG-809C. Here is the list of tubes on the chassis...5Y3GT, 6F6G, (3)6SK7's, 6SQ7, 6SA7. It looks like 3 bands. It has a RCA jack and switch on the back for TV audio and a socket with 5 connections for the speaker. No output transformer for the speaker on the chassis. If someone could help me hook a speaker up for testing I would sure appreciate the help. A picture of the radio would be great also. Thanks for your help!
: Hi Ken
Your going to have to find a speaker that has a field winding, matching transformer, and a Voice Coil that has the ohm specs that the shematic shows here on Nostalgia Air, two wires will be for the Field Coil, two wires will be for the Matching Transformer, and the last will be a Ground Wire, hope this helps you out.
Mark

Hi Ken,
Your radio was manufactured for Montgomery Ward by the Wells-Gardner Company of Chicago. It is a 1939 Ward's Airline model. Schematic and service data is in Rider pages 15-98 through 15-102, available here in the "Resources" section of NostalgiaAir.

Original speaker assembly included both the field coil and output transformer, so you will have two issues to deal with:

1) Original field coil had 851 ohms resistance, and functioned as a filter choke in the power supply circuit. You can substitute a power resistor of approximately the same resistance for the field coil, carefully connected as shown on the schematic. Be careful when mounting it as it will generate a lot of heat. A 10-watt resistor may be adequate for short-term testing, for permanent installation a 20 or 25 watt would be better. Using a resistor instead of the original filter choke, you may find it necessary to increase the value of the output filter capacitor to reduce him to acceptable level.

2) Once the field coil is dealt with, you can use any permanent-magnet speaker you may have to test the radio. Impedance will not matter since you have to substitute a new output transformer anyway. Select an output transformer to roughly match the impedance of the test speaker you will be using to your 6F6 output tube.

Poston

:I was given a radio chassis with out a speaker or case. I would like to test the chassis to see if it works but I need some information for hooking up a speaker. The chassis does not have a name on it as far as a manufacture goes but most of the tubes say Wards on them so I am guessing the chassis is from a wards radio. The model number on the chassis is 93WG-809C. Here is the list of tubes on the chassis...5Y3GT, 6F6G, (3)6SK7's, 6SQ7, 6SA7. It looks like 3 bands. It has a RCA jack and switch on the back for TV audio and a socket with 5 connections for the speaker. No output transformer for the speaker on the chassis. If someone could help me hook a speaker up for testing I would sure appreciate the help. A picture of the radio would be great also. Thanks for your help!

:Hi Ken,
:Your radio was manufactured for Montgomery Ward by the Wells-Gardner Company of Chicago. It is a 1939 Ward's Airline model. Schematic and service data is in Rider pages 15-98 through 15-102, available here in the "Resources" section of NostalgiaAir.
:
:Original speaker assembly included both the field coil and output transformer, so you will have two issues to deal with:
:
:1) Original field coil had 851 ohms resistance, and functioned as a filter choke in the power supply circuit. You can substitute a power resistor of approximately the same resistance for the field coil, carefully connected as shown on the schematic. Be careful when mounting it as it will generate a lot of heat. A 10-watt resistor may be adequate for short-term testing, for permanent installation a 20 or 25 watt would be better. Using a resistor instead of the original filter choke, you may find it necessary to increase the value of the output filter capacitor to reduce him to acceptable level.
:
:2) Once the field coil is dealt with, you can use any permanent-magnet speaker you may have to test the radio. Impedance will not matter since you have to substitute a new output transformer anyway. Select an output transformer to roughly match the impedance of the test speaker you will be using to your 6F6 output tube.
:
:Poston
Thanks everyone for all your help!
Ken
:
:
::I was given a radio chassis with out a speaker or case. I would like to test the chassis to see if it works but I need some information for hooking up a speaker. The chassis does not have a name on it as far as a manufacture goes but most of the tubes say Wards on them so I am guessing the chassis is from a wards radio. The model number on the chassis is 93WG-809C. Here is the list of tubes on the chassis...5Y3GT, 6F6G, (3)6SK7's, 6SQ7, 6SA7. It looks like 3 bands. It has a RCA jack and switch on the back for TV audio and a socket with 5 connections for the speaker. No output transformer for the speaker on the chassis. If someone could help me hook a speaker up for testing I would sure appreciate the help. A picture of the radio would be great also. Thanks for your help!