[R-390] PING!

[Don Cunningham]

Thanks for the reports of those using the replacements long term.  I 
have a nice supply of 3TF7's, so will wait on that, but I'll try the 
26Z5's first.  A Fowler "late model" doesn't make that much difference 
to me, any of the R-390A's are fine for my use.  The seller is not 
encouraging bids at all, if you read the text.  Buy it Now only or don't 
try.
73 all,
Don, WB5HAK

On 6/24/2020 4:35 PM, Manfred Antar wrote:
> I’ve got 2 - R390’s with Sigmapert 26Z5’s and Sigmapert 3TF7 solid state replacements, Work fine been using for 4 years now.
>
>> On Jun 24, 2020, at 2:27 PM, Renee K6FSB <k6fsb.1 at gmail.com> wrote:
>>
>> I have a pair of the "solid state" 26Z5 replacements made by SigmaPert and so far have been fine for the past year......then again I have not been running the radio as much as I had been.
>> Renée, K6FSB
>>
>> On 6/24/20 2:04 PM, Don Cunningham wrote:
>>> I am here as well, other projects have taken over the R-390A work, but will get back to my pair in the winter.  Adding a tower and monoband antennas for the ham station right now!!  Getting WAY to hot here in Oklahoma, so I may well be back to the R-390A's sooner than I think!  Do have an audio problem in my homebrew AM transmitter ( 2x813's modulated by 2x810's) that one R-390A will be paired with and the other will accompany a Viking II on AM. I'll need some help likely in the winter.
>>>
>>> Has anyone investigated the "solid state" 26Z5 replacements made by SigmaPert since one of you had problems using them?  A pair of those came in the deal with one of my R-390A's and I have tentatively installed them and won't use if they cause the problem described.  I still have the good ones that came with that rig and a spare or two of the tubes.  I know about the resistor mod too.
>>> Don, WB5HAK
>>>
>>> On 6/24/2020 3:52 PM, Raymond Cote wrote:
>>>> Im here. Rarely post. Too busy building s new work bench for my 7 or 8 ea R-388 to R-391 radios needing overhaul
>>>>
>>>> In matters of style, float with the current. In matters of Principle, stand like a rock. “.   —  Thomas Jefferson —
>>>>
>>>>> On Jun 24, 2020, at 14:05, David Rogers <wa7zyq at gmail.com> wrote:
>>>>>
>>>>> I am here, but am too ignorant to post.
>>>>>
>>>>> David, WA7ZYQ
>>>>>
>>>>> C’est la vie, c’est la guerre,  viva la salade de pommes de terre.
>>>>>
>>>>>> On Jun 24, 2020, at 11:46 AM, Roy Morgan <k1lky68 at gmail.com> wrote:
>>>>>>
>>>>>> No messages received since late May.
>>>>>>
>>>>>> Is anyone out there?
>>>>>>
>>>>>> Roy
>>>>>>
>>>>>> Roy Morgan
>>>>>> K1LKY since 1958
>>>>>> k1lky68 at gmail.com
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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