[AMRadio] Vibrators


Jim Miller WB5OXQ wb5oxq at grandecom.net
Mon Jan 15 00:11:19 EST 2007


Yes a larger filter cap is usually required.  A further improvement is to 
replace the rectifier tube with solid state diodes.  This one done in the 
60s to soup up the Johnson cb radios (white and black face models).
----- Original Message ----- 
From: "Edward B Richards" <zuu6k at juno.com>
To: <amradio at mailman.qth.net>
Cc: <amradio at mailman.qth.net>
Sent: Sunday, January 14, 2007 10:30 PM
Subject: Re: [AMRadio] Vibrators


>I belive most vibrators are around 115 cps not 60 cps. You have to
> compensate for that.
>
> 73, Ed Richards K6UUZ
> Simi Valley, Ca 93065
> Home of the Air Force 1 pavilion
>
> On Sun, 14 Jan 2007 22:25:46 -0600 "Jim Miller WB5OXQ"
> <wb5oxq at grandecom.net> writes:
>> Just a thought; are you going to run the radio mobile?  If not there
>> is a
>> way to use a 12 volt transformer to power the radio and somehow
>> jumper the
>> vibrator and run straight ac into the radio.  I believe the filter
>> may need
>> to be larger though if you do that.  I have seen it done on old tube
>> type
>> auto radios.
>> ----- Original Message ----- 
>> From: "Jim Miller WB5OXQ" <wb5oxq at grandecom.net>
>> To: "Discussion of AM Radio in the Amateur Service"
>> <amradio at mailman.qth.net>
>> Sent: Sunday, January 14, 2007 9:19 PM
>> Subject: Re: [AMRadio] Vibrators
>>
>>
>> > There are solid state replacements for vibrators.  Try antique
>> radio
>> > suppliers.
>> >
>> > ----- Original Message ----- 
>> > From: "Bob Peters" <rwpeters at swbell.net>
>> > To: "AM" <amradio at mailman.qth.net>; "Boatanchors"
>> > <boatanchors at listserv.tempe.gov>
>> > Sent: Sunday, January 14, 2007 8:20 PM
>> > Subject: [AMRadio] Vibrators
>> >
>> >
>> >> Hay guys I just picked up a vibrator P/S for a Pierson twins
>> radio...
>> >> Can the Vibrator be changed
>> >> Out to something solid state???  Or am I going to have to find a
>> 12V
>> >> Vibrator???  Probably a stupid question but ohhh well fire
>> away...
>> >>
>> >>
>> >>
>> >> Very Best 73's
>> >> Bob W1PE
>> >> The Voice of Mesquite
>> >> www.w1pe.com
>> >>
>> >>
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>> >>
>> >>
>> >
>> >
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>>
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