Vintage Realistic Stereo Bass Enhancer / Subsonic Filter – Cat. No. 42-2106
Excellent example of the classic Realistic / Radio Shack Stereo Bass Enhancer with its original box and original owner’s manual.
The unit has been carefully tested and is fully functional.
Tested functions:
- Both stereo channels working properly
- Bass enhancement functioning correctly
- Adjustable Frequency control working properly
- Adjustable Boost control working properly
- Enhancer IN/OUT switch working properly
- Sliders move smoothly
- No crackling, static, or intermittent audio observed during testing
The Bass Enhancer allows adjustment of the bass enhancement frequency from approximately 40–160 Hz and provides up to 12 dB of boost. It also incorporates a subsonic filter.
Included:
- Realistic Stereo Bass Enhancer / Subsonic Filter Cat. No. 42-2106
- Original retail box
- Original owner’s manual
- Attached AC power cord
- Stereo RCA male-to-male audio cable — included as an added accessory
The RCA cable is included for convenient hookup and is not represented as an original factory accessory.
Cosmetically, the unit is in excellent condition for its age. The brushed aluminum faceplate, controls, wood-grain side panels, and top cover are exceptionally clean. There is some minor age/storage wear on the underside and the original box has normal shelf wear, as shown in the photos.
A particularly nice example for a vintage Realistic / Radio Shack audio collection or period stereo system.
Please review all photos carefully, as they are part of the description. You will receive the exact unit shown.











