[TenTec] Do I really need a circut breaker?

[GARY HUBER]

David, I think you've been lucky or have not had an accident with high VSWR. 
TenTec has always recommended AirPax magnetic breakers, see the design guide 
at <http://www.pocosales.com/ProductSpecifications/Airpax/DesignGuide.pdf> 
which are tripped via an over-current circuit, SCR, and AirPax magnetic 
breaker or fuse. TT has claimed the AirPax breakers trip much faster than a 
fuse and can protect final transistors better than a fuse. If the switching 
PS has fast acting overcurrent protection at 20 A, it may work.

When in doubt;
Contact TEN-TEC Service:
Telephone: (865) 428-0364
Email: service at tentec.com


73 ES DX,
Gary -- AB9M
(Ten-Tec Ambassador)

-----Original Message----- 
From: David Cuttler
Sent: Thursday, July 05, 2012 9:14 PM
To: tentec at contesting.com
Subject: [TenTec] Do I really need a circut breaker?

In the past I owned a Corsair II, and an OMNI VI option 2 which I ran using 
a Samlex Switching power supply, and no circuit breaker. Same for some other 
non Ten Tec rigs.

I just purchased a very nice OMNI V, which I like better than the OMNI VI, 
and even an OMNI VII that I had for awhile. It came with the 962 Power 
supply with the speaker, which while looking nice, takes up too much real 
estate on my desk. I would like to purchase a power cord from Ten Tec,  go 
back to using my Samlux supply, and my Kenwood SP-230 speaker with the built 
in filters, and dual inputs.

This is the question...the rig is fused, so do I really need a circuit 
breaker, and if I do, what do I want, and where do I get it?

On a side note, I just installed the N4PY OMNI V.92 chip, and after making 
my own button overlays (not an easy task for 74 year old eyes & hands), I am 
loving this radio. It's like the Corsair II on steroids! Much better receive 
audio than the OMNI VI, and in my opinion even better than the OMNI VII. It 
is certainly an easy rig to operate, and  I just hate DSP! This rig may be 
the one that will push my Kenwood TS-830S into backup service.

Also, If a person does not get all the emails, is there a proper way to 
answer a posting without breaking the string?

Regards,

David - KE6YX

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