Alek,
I do not think the FU-728F is a good tube for replace the 4CX1600B, the
4CX1000A/FU-100F should be better.
because there are a plent of 4CX1000A resource in the market.
73! Hsu
----- Original Message -----
From: "Alek Petkovic" <vk6apk@bigpond.com>
To: "Roger" <sub1@rogerhalstead.com>; <amps@contesting.com>
Sent: Friday, July 23, 2010 5:17 PM
Subject: Re: [Amps] 4CX1600B/GU91B
> Many people are looking for this tube. I dare say that there are
> plenty of them stashed away for rainy days but there are none for
> sale anywhere.
>
> I have a good one in my amplifier. It will become available in the
> next few months as I will transplant a FU728F into the deck.
>
> 73, Alek
> VK6APK
>
>
> At 12:18 PM 23/07/2010, Roger wrote:
>
>
>>On 7/22/2010 8:19 PM, Robert Briggs wrote:
>> >
>> > Try UR4LL Dr Alex Gavva...
>> >
>>His URL is http://www.nd2x.net/ur4ll.html but a search didn't show any
>>4CX1600Bs which are no longer in production.
>>One did turn up on E-bay a while back and that's the only one I've seen
>>in the past couple of years.
>>I thought it was a great tube, but when production stopped, I've not
>>heard much since.
>>
>>Good Luck
>>
>>73
>>
>>Roger (K8RI)
>> > Bob..VK3ZL..
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>> >
>> >
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>
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