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Tube Amp for 11 meters

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  #33  
Old 10-18-2007, 02:32 PM
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Quote:
Originally Posted by Unit 194
SmackDown, if you do decide to go with the SB-220 on 11 meters you won't be unhappy. I'm very satisfied with the performance of my SB-220 on both AM and SB.

I second that statement i am very happy and i even keep the load backed down some :P
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  #34  
Old 10-18-2007, 04:15 PM
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Quote:
Originally Posted by lords
Quote:
Originally Posted by Unit 194
SmackDown, if you do decide to go with the SB-220 on 11 meters you won't be unhappy. I'm very satisfied with the performance of my SB-220 on both AM and SB.

I second that statement i am very happy and i even keep the load backed down some :P
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  #35  
Old 10-22-2007, 06:55 PM
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okay the 509/519 series tubes ( 6KG6 ) are cheap @ $30.00 for 4 (average) :shock: , but is it a direct replacement ? Are there other adjustments that need to be made ? Bias ? Circuitry ?



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  #36  
Old 11-06-2007, 07:46 PM
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For the 1KW+ range, I like the BlackCat JB2000 running off of 220V.
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  #37  
Old 11-07-2007, 06:13 AM
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okay what changes need be made to change from 6LQ6 to EL509/519 ??? I read the pins will stretch the socket receptors then I read that maybe changing the sockets altogether is good because of higher heat. Are there circuit changes that need to be made also ? Is anyone here aware of the changes and care to share. I have the triple stage Phantom, older type with the keying tube.


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  #38  
Old 11-07-2007, 12:43 PM
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okay linearone I know you're joking but I'll bite...a modulator is something like the black cat JB 12 or the Maco Brute II
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  #39  
Old 11-07-2007, 01:04 PM
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A modulator is completely different than a linear. You usually find them in broadcast transmitters.

I'll let QRN educate us.

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  #40  
Old 11-07-2007, 01:24 PM
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I did some looking around since my last post and it seems the EL509/519 tube is as hard to find as 6LQ6's or 6MJ6's..anyone know of a russian source ???



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