Vintage vacuum tubes · Newmarket, Ontario
Tested tubes, documented properly.
Shop individually tested vintage tubes, or send in your own tubes for a clear, branded test report you can keep, share, or include with a sale.

Available now
Shop tested tubes
Fresh inventory is being prepared
Each tube will appear here only after its condition and test results have been documented.
Professional tube testing
Know what your tubes are actually doing.
Every order includes documented readings and a polished PDF report. Multi-section tubes include separate readings and section-balance information where applicable.
Submit your request
Tell us what you have and whether you will drop it off or ship it.
Testing and documentation
Each tube is checked and its readings are recorded.
Receive your report
You receive the results in a clean, printable PDF.
Our sister site
More help at the restoration bench.
Heritage Audio brings together resistor and capacitor tools, schematic references, and a community of hobbyists helping each other.
