FS: Heathkit IT-12 signal tracer. Fully restored, with manual

[Ron]

For sale, a fully restored Heathkit IT-12 Signal Tracer, 
in good working condition. Comes with a complete copy 
of the manual, also in good condition. 

Just to explain what I mean by 'fully restored': I took 
the unit completely apart, down to the last screw, nut, 
resistor and cap (re-kitted it, so to speak). I 
Refurbished, cleaned, or repaired all parts, to get them 
to the best condition possible. Any that did not meet 
specs were replaced. All composition resistors were 
automatically replaced with deposited film type (that 
are far more stable), of same or tighter tolerance. The 
line cord was replaced with a polarized one. The probe, 
that originally was attached to the unit, is now removable 
(I used a 1/4" phono jack and plug). I then assembled the 
resulting 'kit'. Since then, the unit was lightly used.

For those that are not familiar with this very popular 
signal tracer, be aware that sound quality is not exactly 
'high fidelity'. There is some internal hum and distortion 
rises at high levels. Input sensitivity is high -- when testing 
a line level signal, the tracer volume control position will be 
at 5% to 10%. All this is on par with other IT-12 tracers.

Cosmetically, the unit is just fair. While the front 
panel was cleaned and buffed, it does have some 
blemishes (ask for photo). Operationally, the unit 
works fine. Input is very sensitive, as it should. The 
'magic eye' is nice and bright. I offer no warranty, 
except for the accuracy of the above. Sold 'as is'. 

$45 plus actual shipping of 5 lb. from zip 01702.

-- Ron





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