DIY is intended to offer advice only. If you don't have the skills or tools to perform the kind of mechanics shown, be sure to find a qualified technician in your area before getting started.

The spring-clamp terminal block is available in circuit sizes ranging from 2 to 24 poles. For additional information and pricing, contact RIA ELECTRONIC INC., Tinton Falls, NJ. (732) 389-1300.

The 3.5 mm, Type 305 direct solderable terminal ... the block is rated to 150V at 10A and is available in circuit sizes from two to 24 poles. For further information and prices, call RIA ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Even if you’re not familiar with the theremin itself, it’s very ...