The Stuff Season page will close at month end, so we can clear out slow items, and re-fill the page, should be open again by the end of July with lots of interesting new goodies. Please have a look he

We have added more Tek knobs and TM500/5000 bits, plus there's an excellent audio power meter, tons of connectors from mil circulars to BNCs, HP 8620C sweeper scales, all kinds of board assemblies, an

For your weekend browsing pleasure, we have added all kinds of interesting things to all the categories on the stuff page, hopefully you will see something you like. The connector area keeps getting b

This is a very interesting device, it converts ANY scope to a floating, HV insulated unit, allowing fully floating measurements both from ground, and from channel to channel. Isolation to 3KV is possi

Seems like TM500 items are the most requested Tek things, so I have added more to the Tek section of the Stuff Page, you can see them here: https://www.sphere.bc.ca/test/stuffday.html#tekfans I am wor

Just added some new 152-0791-00 HV multipliers to the stuff page in the Tek section: https://www.sphere.bc.ca/test/stuffday.html#tekfans Hard to find part if you need one. Sorry for so few Stuff updat

Jared, ti seems we stupidly threw them out, so I deleted them. thanks for the info though. -walter

We are finally done re-organizing and photographing new items, you will be able to see them HERE Tuesday, February 15th: https://www.sphere.bc.ca/test/stuffday.html We tried to satisfy as many request

Odd and seemingly "impossible" trace distortion (especially when power and signals internally are good) usually has one of two causes: 1. Internal CRT damage caused by physical shock (glass supports b

I agree 100%, a TM502A without the cover IS the perfect fix for doing TM500 module repairs, it's what I use when I have to do any serious module work. I also have extenders for quick adjustments, so s

We will shut down the stuff page at the end of the month to re-stock it, and many HP/Tek spares items as well as the FETs will disappear then. https://www.sphere.bc.ca/test/stuffday.html There is a lo

Please drop by and have s look: https://www.sphere.bc.ca/test/stuffday.html I have added some very cool design kit assortments int e Surprises and RF sections, really worth a look. The HP ones are inc

Dave, I found the flexible extender, it is part number 012-0066-00, says plug-in unit extender cable, 560 series. has amphenol blue ribbon connectors,, 24 contacts male/female. seems like the right th

Dave, I have some extenders for these, just have to find where I put them. will advise once I track them down. I have several 561/564B units, I do love them, they were one of my first Tek scopes. all

For those looking for a sophisticated and free schematic capture/pcb tool, KiCAD 6.0 just released. I downloaded it today and tested it (Ubuntu), so far it looks amazing, with huge libraries and a nic

This topic has come up often, and it's clear not everybody has a curve tracer, but many have a need to know if the TD in their gear is good or bad. I just tripped (virtually) over a copy of the 1961 G

TM500 units have proven to be very handy for me, I have them on almost every workbench, and have several of the high end scope modules, plus all the other goodies. Look for the later polycarbonate fro

Back in the 60's there were several manufacturers making little desktop CRT demonstration systems, including Heathkit, Hickok and Stark. They are pretty interesting, You have access to the electron gu

All my internet searches have come up empty, does anyone have data or a manual for this nice little DC calibrator? It's pretty impressive, reads and outputs all kinds of voltage/current/TC signals in

We break apart DataCheck multi-scope strips to salvage the hard to find euro D7-200/201GH CRTs, It may seem like a terrible sin, but trust me, it has a lofty purpose. In the most recent one, I found s