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Re: [Amps] which HV connector to use?

To: "RICHARD SOLOMON" <w1ksz@q.com>, "Amplifier Reflector" <amps@contesting.com>
Subject: Re: [Amps] which HV connector to use?
From: "Hardy Landskov" <n7rt@cox.net>
Date: Tue, 12 Jan 2010 23:12:15 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Hi All
I have used those Millen connectors for years and never had a problem. Up to 
4600 VDC.
I am surprised at the complaints.....
73 Hardy N7RT


----- Original Message ----- 
From: "RICHARD SOLOMON" <w1ksz@q.com>
To: "Amplifier Reflector" <amps@contesting.com>
Sent: Tuesday, January 12, 2010 10:03 PM
Subject: Re: [Amps] which HV connector to use?


>
> That's interesting ... when I used them in the 60's they were rated for 10 
> KVDC, and
> that was the mated spec. Perhaps the 5 KV rating is for an unmated 
> connector, or
> maybe it's due to global warming ??
>
> 73, Dick, W1KSZ
>
> Date: Tue, 12 Jan 2010 20:56:04 -0800
> Subject: Re: [Amps] which HV connector to use?
> From: jimw7ry@gmail.com
> To: w1ksz@q.com
> CC: amps@contesting.com
>
> MHV is what I'm using on my new 8877. They are rated for 5KV. They're a 
> little expensive but keep your eye on EBay for them.
>
> 73
> Jim W7RY
>
>
>
>
> On Tue, Jan 12, 2010 at 8:37 PM, RICHARD SOLOMON <w1ksz@q.com> wrote:
>
>
> You can use the MHV type coax connector. Looks like a BNC on steroids.
> I used them to power an IR Image Converter that required 8 kVDC many
>
> moons ago.
>
> 73, Dick, W1KSZ
>
>> Date: Tue, 12 Jan 2010 20:17:40 -0800
>> From: audioguy@charter.net
>> CC: Amps@contesting.com
>
>> Subject: Re: [Amps] which HV connector to use?
>>
>> Assuming one doesn't insist on using the Millen connectors, what's a
>> good alternative?
>>
>> Someone mentioned RG-214 a few pages back but having been there, done
>
>> that and arced most of the common connectors I'm not thrilled with that
>> one either.
>>
>> Perhaps the moral is to always build integrated. (and buy bigger 
>> desks...)
>>
>> 73,
>> Jim, N7CXI
>
>>
>> Phil Clements wrote:
>> >
>> >
>> >> The Millen has a known history of flashing to a metal mounting at 5Kv 
>> >> once
>> >> they have absorbed sufficient moisture even in clean holes. I quit 
>> >> selling
>
>> >> them due to failures and complaints.
>> >>
>> >> Carl
>> >> KM1H
>> >
>> > Amen, Carl. If one insists upon using the Millen red and blacks, I 
>> > suggest
>> > my method of punching a one and 1/4 inch round hole in the chassis, 
>> > mounting
>
>> > a 2 X 2 X 1/2 inch piece of Plexiglas behind the hole, and installing 
>> > the
>> > connector in the center of the round hole backed up by the Plexiglas. I 
>> > have
>> > used this successfully on 6 KV supplies with no problems. I would never 
>> > use
>
>> > the Millen connectors without the plastic backing at voltages over 3 
>> > KV.
>> > There is a yellow Millen connector that absorbs moisture worse than the 
>> > red
>> > and black!
>> >
>> > (((73)))
>
>> > Phil, K5PC
>> >
>> >
>> >
>> > _______________________________________________
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>> > Amps@contesting.com
>
>> > http://lists.contesting.com/mailman/listinfo/amps
>> >
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