[ARC5] [Milsurplus] Tube Tester - Heath TT-1

[Kenneth G. Gordon]

On 12 Jul 2009 at 15:03, Kenneth G. Gordon wrote:

> On 12 Jul 2009 at 14:12, Bob Macklin wrote:
> 
> > The Heath TC-2 and TC-3 are really the same unit except the TC-3
> > handles tubes that were non-existent at the time the TC-2 was
> > produced. For an emission tester both of these units are just fine.
> > Many were used in Radio/TV shops in the 50's and 60's.
> 
> Bob:
> 
> The Heathkit model I am talking about is NOT simply an 
> emission tester: it is a full-fledged Dynamic Mutual 
> Conductance (DMC) type.
> 
> I am not sure of the model, but it IS one of the TC-* 
> models. 

I was wrong: it is NOT in the TC-* series: the correct 
Heathkit model is the TT-1.

TT-1

It is a Heathkit copy of the Hickok 539, both of which 
normally sell on eBay for around $500.00 each.

I should have figured it out: 

TC = Tube CHECKER, while 
TT = Tube TESTER.

Obvious, when you think about it.

Ken W7EKB