Typically, I don't have figures but the switching power supplies pull a bit
less than do the other ones. I don't have figures on that but I do know it's
less. Not a ton less, but enough. I believe they idle a bit lower too.
----- Original Message -----
From: "Lou Kline" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, November 18, 2007 9:15 PM
Subject: Re: recommendations for switching power supply for TS480
> Hi Steve.
>
> I do not believe that the switchers pull nearly that much. When I can get
> together with somone who has the equipment to measure it, I'll let you
> know
> what the MFJ supplies are drawing.
>
> 73, de Lou K2LKK
>
>
>
> At 09:44 PM 11/17/2007 -0500, you wrote:
>>Lou,
>>
>>How much current does a 35-amp switching supply draw when it's idling?
>>
>>Steve
>>
>>----- Original Message -----
>>From: "Lou Kline" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Saturday, November 17, 2007 14:13
>>Subject: Re: recommendations for switching power supply for TS480
>>
>>
>> > Hi.
>> >
>> > My only misgiving with the Astron would be that they have quite a
>> > sizable
>> > standby current--not very efficient or economical. My supply pulls
>> > about
>> > 1.6 amps with no load!
>> >
>> > 73, de Lou K2LKK
>> >
>> >
>> >
>> > At 10:57 PM 11/16/2007 -0500, you wrote:
>> >>Tom,
>> >>
>> >>Quite frankly, I wouldn't use a switching supply on that radio, mostly
>> >>because of the noise problems you mentioned. I know there are quiet
>> >>switching power supplies, but you'll probably pay a lot more for one
>> >>than
>> >>you would for a linear power supply of comparable current rating.
>> >>Since
>> >>you
>> >>want to use the radio in a motor home, wouldn't it be more practical to
>> >>run
>> >>the radio off of a 12-volt source? Aside from that, an Astron 35-amp
>> >>supply
>> >>is about 8 inches square, so it's not that big.
>> >>
>> >>Steve
>> >>
>> >>----- Original Message -----
>> >>From: "T Behler" <[log in to unmask]>
>> >>To: <[log in to unmask]>
>> >>Sent: Friday, November 16, 2007 19:32
>> >>Subject: recommendations for switching power supply for TS480
>> >>
>> >>
>> >> > Hi, all.
>> >> >
>> >> > Well, folks, I think that, due to a number of concerns and issues,
>> >> > I'm
>> >> > leaning toward purchasing the Kenwood TS480 as my HF rig of choice
>> >> > for
>> >> > the
>> >> > motor home.
>> >> >
>> >> > Can anyone recommend a good quiet switching power supply for that
>> >> > rig?
>> >> >
>> >> > I have been corresponding with Kevin (K7RX), and he suggests the
>> >> > Samlex
>> >> > 1223, but I can't seem to find it available anywhere, unless I'm
>> >> > just
>> >> > looking in the wrong places.
>> >> >
>> >> > I have an MFJ 4125 22-25 amp supply that I have used before,
>> >> > although
>> >> > it
>> >> > seems somewhat noisy on parts of the HF band spectrum, and also has
>> >> > a
>> >> > rather
>> >> > loud fan.
>> >> >
>> >> > If you have recommendations, could you give me approximate prices
>> >> > too?
>> >> >
>> >> > I think I might go for a slightly larger supply for the TS480, so
>> >> > maybe
>> >> > a
>> >> > 35-amper would be the most practical.
>> >> >
>> >> > Thanks as always, and 73 from Tom Behler: KB8TYJ
>> >> >
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >>--
>> >>No virus found in this incoming message.
>> >>Checked by AVG Free Edition.
>> >>Version: 7.5.503 / Virus Database: 269.16.0/1136 - Release Date:
>> >>11/17/2007 2:55 PM
>> >
>> > Louis Kim Kline
>> > A.R.S. K2LKK
>> > Home e-mail: [log in to unmask]
>> > Work e-mail: [log in to unmask]
>> > Work Telephone: (585) 697-5740
>> >
>> >
>> >
>>
>>
>>
>>--
>>No virus found in this incoming message.
>>Checked by AVG Free Edition.
>>Version: 7.5.503 / Virus Database: 269.16.0/1137 - Release Date:
>>11/18/2007 5:15 PM
>
> Louis Kim Kline
> A.R.S. K2LKK
> Home e-mail: [log in to unmask]
> Work e-mail: [log in to unmask]
> Work Telephone: (585) 697-5740
|