[Boatanchors] Disc caps vs paper caps

[Todd, KA1KAQ]

The trick with these and other types is the service or circuit, of
course. In the vast majority of cases, they're fine, although
replacing those big tubulars with discs sure can leave a chassis
looking barren.

~ Todd,  KA1KAQ/4

On Wed, Sep 26, 2012 at 10:29 PM, J. Forster <jfor at quikus.com> wrote:
> Probably true, but many ceramics are piezoelectricand can have a pretty
> large voltage coefficient of capacitance.
>
> I can't think of any reason they'd not work offhand though.
>
> -John
>
> =======
>
>
>> YES !
>>
>> Ceramic caps are the same as paper caps for all practical purposes.
>> Be advised ! Audiophools  - the people who can hear "blue"  - will tell
>> you how  "terrible" ceramic caps will "sound."
>> And that only old paper & beeeez  wax capacitors  ( with gold leads
>> etc)"sound good."
>>
>> So yes, ceramics are just fine. Consider all the pieces of tube gear that
>> use ceramic caps.
>>
>> de KA4JVY
>>
>> Mark
>>
>>
>>
>>
>>
>>>________________________________
>>> From: Joe Walden <w5jdy at cox.net>
>>>To: Boatanchors at mailman.qth.net
>>>Sent: Wednesday, September 26, 2012 9:32 PM
>>>Subject: [Boatanchors] Disc caps vs paper caps
>>>
>>>>From Joe w5jdy in Norman,Ok..  I am restoring a Zenith 1930's 6vdc farm
>>>radio that uses a synchronous 6 pin vibrator in the power supply (no
>>>rectifier tube)..  In the schematic it shows .01 paper caps at 1200volts
>>>from each side of the vibrator transformer secondary to ground..  Is it
>>> OK
>>>to use disc ceramics in their place..  I have some at 3 kv..  I think
>>>Sprague makes a  .01 at 1600 volts but I am having trouble finding them??
>>>Thanks all..  Joe
>>>
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