1x Vintage Mutual Conductance (Gm Micromhos) Tube Tester /Mercury 2000 made in USA /Premium Top Edition /Fully Working Unit /SolidCase /CleanPapers /Test Preamp Power Rectifier Tubes
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Our users rate Reverb
transport yourself back to vinyl-style 1970s, a time before ai descriptions, w/ this classic vintage mutual gm tube tester
mercury electronics corp (minneola ny usa) manufactured high quality test instruments, w/ this premium grade model 2000
w/ many factory upgrades over the model 1000, this unit was produced 50+ years ago, and is a hallmark of reliable testers
w/ design elements from b&k + sencore + superior, including deluxe pin straighteners! + automatic line control for easy use
match tubes by gm conductance w/ a lightweight, hallmark of tube-era quality
the easy to read large meter goes way up to 25k gm mmhs! which comes in handy w/ high power military tubes >130 %
+ features long lasting phosphor bronze tube sockets, shorts + leakage tests, and gas + grid emission tests over 100 megohms
the good: tested + working top of the line (rare 10th annivesary) vintage mutual conductance tube tester from 1976
the meter is clear (and not damaged like most!) we tested: low scale 12ax7, high scale 6dj8, + 6550 power tube (photos)
the shorts bogey test/light works, the gas meter gauge is responsive, and the top panel is very clean w/ all screws intact
the case is in considerably better condition than most examples out there! w/ no mold smell, minimal tarnish, + 4 feet intact
the handle is nice considering age, and the lever action is smooth + crisp, and original knobs intact (rare, usually cracked)
+ includes the original manual (crisp condition! not soiled) and the original '76 tube chart is one of the cleanest examples (see photos for calibration notes at end of manual!)
the so-so: the sockets have not been serviced or cleaned (see bronze socket info above), yet some like to utilize deoxit/contact cleaner
the meter wiggles a tiny bit, so restoration specialists/refurbishers might check the cap behind the meter or the gm cap
the case needs a bottom bolt (often missing), + the tiny red (lower left side) connector needs a splice tap or electrical tape
ships well packed! ready to buy it now?!
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | 3 months ago |
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| Condition | Good (Used) Good condition items function properly but may exhibit some wear and tear.Learn more |
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