Schematic Lounge

Junky Old Test Equipment

Yes, it almost seems to collect itself.

Heathkit T4 Signal Tracer

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Heathkit T4 Signal Tracer

     I actually don't use it all that much, but it has the cool "magic-eye" tube.  I posted the schematic on the schematic page.  If you would like a copy of the manual, let me know.

B&K 960 Transistor Radio Analyst

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B&K 960 Transistor Radio Analyst

     Basically a VTVM with some whistles and bells, and a small power supply thrown in.

Heathkit Model IM-32 VTVM

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Heathkit Model IM-32 VTVM

     Ye olde classique VTVM.

Lafayette KT-86A Transistor Tester

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Lafayette KT-86A Transistor Tester (circa 1960)

     The layout is posted on the schematic page.  I found the paper with the layout inside my unit.

B&K 1466 Oscilloscope

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B&K 1466 Oscilloscope

     10 MHz, single-trace, no frills, and odd-ball Japanese transistors inside - but it works.

VIZ Isotap Isolation Transformer

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VIZ Isotap Isolation Transformer

     Not only provides isolated power, but you can also step through different voltage levels.   Good if you play around with AC sets.

Staco Variac

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Staco Variac

     No frills, autoformer, variac.  Despite all the chat about "re-forming" caps, I don't use this much at all.

MRL #2 Crystal Radio Set

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MRL #2

     Not a piece of test equipment, but one of my most favorite kits ever.

Mystery One-tube Oscillator?

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     I have no idea what this was supposed to be.  One-tube transmitter?  Code oscillator?  I dig the big crystal unit on it.

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Orginal SovTek Tube 1941