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the CTH (Compact Tube Hybrid) Rev A thread... - Page 40

post #586 of 588

No, use the base part & classes specified (e.g. BC550 - class C).  E.g. in the case you ask about either BC550CTA (ammo/tape) or BC550CBU (bulk/loose).

 

Curious, how many builds do you have under your belt?   The CTH is an intermediate level build, *lots* of parts in a tiny space, and misplacement / misalignment of any can ruin your day.  IOW IMO would not recommend CTH as a first project.


Edited by cfcubed - 5/4/15 at 3:30am
post #587 of 588

I only have two builds has my belt: a Cmoy and a O2 amp!

However this is not the construction that worried me but right choice of components:o.

post #588 of 588

Sorry I did not mean to offend, sounds good - an O2 build is a good warm-up:)

 

Good to confirm any questionable sub parts as you are doing.  But concentrate on Description field value in CTH XLS BoM when an exact part # is not available from your source(s).  E.g. in the Digikey BC550CGOS-ND EOL case see they suggest BC547C as direct substitute but would first search for sub using "BC550C" (from Description).

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