[Boatanchors] Fwd: Re: VT-269
Rich Post
postr at ohiou.edu
Thu Feb 4 19:25:50 EST 2010
>
>As Carl has said, the little surplus 717A was a simple and popular plug-in
>swap for the 6SK7 to hop-up the performance of older receivers. Has
>greater gain and a couple of other advantages. I have an SX-25 bought at
>a hamfest that already had a pair in the IF section. No wiring changes
>needed to go back to 6SK7, but I decided to leave them in for the improved
>performance.
>
>Rich KB8TAD
>
>
>
>At 06:48 PM 2/4/2010, you wrote:
>>Test it as a 6SG7 altho it is closer to a 6AK5. It was/is a very popular
>>swap to reduce the noise on the higher bands. I use them here in a few
>>radios.
>>
>>Carl
>>KM1H
>>
>>
>>----- Original Message -----
>>From: "Mr. and Mrs. Magoo" <magoo at isp.ca>
>>To: <boatanchors at mailman.qth.net>
>>Sent: Thursday, February 04, 2010 5:19 PM
>>Subject: [Boatanchors] VT-269
>>
>>
>> > An SX-25 came to me with a VT-269 plugged into a socket where a 6SK7
>> > should
>> > be. I can find references to the VT-269 and a cross to a WE-717A, but I
>> > have no data for testing nor do I have a base diagram. Does anyone know
>> > if
>> > it is, in fact, compatible with a 6SK7? One source suggested a 6SJ7 "with
>> > wiring changes"!
>> >
>> > Bill VE3NH
>> >
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