Altec / Peerless 4722 vintage microphone input transformers, sold as a pair. Both units include original locator pins.
These are classic Peerless transformers manufactured for Altec Lansing and are widely used in tube microphone preamps, moving coil step-up transformer (SUT) applications, and high-end DIY audio builds.
Condition
- Both transformers include original locator pins for proper socket alignment
- Original metal cans with typical cosmetic wear for age
- Pins are intact and in good condition
- Overall solid vintage condition
Tested and Verified
Both units have been tested and show consistent, healthy readings across all windings.
Measured values (see photos for full documentation rows 1 and 2):
All measurements fall within a close range and indicate fully functional transformers with no open windings.
About the 4722
The Peerless 4722 is a well-known vintage microphone input transformer featuring multiple impedance taps (commonly 38Ω / 150Ω to high impedance secondary).
Common applications include:
- Tube microphone preamps
- Moving coil (MC) step-up transformer use
- Vintage equipment restoration
- DIY audio projects
These transformers are known for a strong, punchy, and musical character.
Made in the USA
Manufactured by Peerless Electrical Products, Division of Altec Lansing Corporation
Los Angeles, California
Includes
- Two (2) Peerless 4722 transformers
- Units shown in photos
- Test measurement documentation
Additional Notes
These units are not sold as a precision-matched pair, but testing confirms similar performance and healthy operation.
Vintage electronic components. Sold as-is, but fully tested.
Will be carefully packed to protect both transformers during transit.
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | a month ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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