Make
Admiral
Model
Chassis 5G2
Year
~1951
Sams #
Photofact Folder 2 Set 137
Documents
Service Manual - Sams-Admiral5g2.pdf
Overview
The Admiral 5G2 is a post-war vacuum tube radio chassis used in Admiral tabletop receivers during the mid-to-late 1940s. It is a standard AM broadcast superheterodyne design based on the widely used five-tube “All-American Five” architecture.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Admiral Corporation |
| Chassis | 5G2 |
| Type | AM broadcast radio chassis |
| Bands | Standard AM broadcast |
| Circuit Type | Superheterodyne |
| Tube Complement | 5-tube configuration (AA5 type) |
| Power Source | 120 VAC |
| Rectifier | Tube rectifier |
| Speaker | Cabinet-mounted speaker |
| Construction | Point-to-point wired chassis |
Physical Description
The 5G2 chassis is built on a stamped steel frame intended for installation in a tabletop cabinet. It includes a variable tuning capacitor, IF transformers, and a compact tube layout typical of AA5 designs. Controls for tuning and volume are connected to the front panel via shaft extensions. Internal construction uses point-to-point wiring with components mounted on terminal strips and tube sockets secured to the chassis.
History
Admiral Corporation was a major U.S. manufacturer of consumer electronics in the 1940s and 1950s. The 5G2 chassis represents a cost-effective and widely adopted design that allowed mass production of affordable radios. It was used across multiple Admiral models, making it a common chassis encountered in restoration and collecting today.
References
- https://www.nostalgiaair.org/PagesByModel/001/M0001001.pdf
Original service schematic and technical documentation for the Admiral 5G2 chassis.