HB-140 Penetrator

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HB-140 Penetrator

Post by Slowclimb » Friday, 22 May 2009, 14:36 PM

Has anyone ever used or heard of this unit. Its a two pill unit TRW PT9784 7629 units any comment would be great thanks.

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Re: HB-140 Penetrator

Post by MoJo » Tuesday, 30 June 2009, 13:53 PM

were in the same boat....

I have one here that I am wanting to know about...

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Re: HB-140 Penetrator

Post by sparkie277 » Sunday, 03 September 2017, 15:38 PM

Yea, me too. I bought one at Hamfest 2017. I hooked antenna to amplifier; hooked amplifier to radfio. both to a 12vdc cigarette plug . When I keyed up, 2 amp fuse blew. I took amp out of loop and radio works. What must I do?

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Re: HB-140 Penetrator

Post by 295 antenna » Sunday, 03 September 2017, 16:46 PM

sparkie277 first of all a 2 amp fuse is too small use a ten amp. I had the same issue with a modulater (small) amp and a cig. plug
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Re: HB-140 Penetrator

Post by MDYoungblood » Monday, 04 September 2017, 10:05 AM

Hello sparkie277,
Welcome to the forum. What 295 said is true, the amp alone needs a good power source, wire it directly to the battery is best, make sure you install a fuse at the battery location in case the wire shorts going through the firewall. The amp should have a 14A fuse inline, if not install one as well. Any more help just ask.
As a new member could you post an intro in the "Welcome to the Forum" topic, viewforum.php?f=89 , so others here can say "Hi", thanks.


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Re: HB-140 Penetrator

Post by Crusher » Monday, 04 September 2017, 17:55 PM

Those are small transistors. Do not use a high power or dual final radio on it. It will blow. 20A fuse should be more than enough. Those are similar to MRF455's. Do t need much.

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