| Author |
Message |
    
Nickle
Member
Username: Nickle
Post Number: 69
Registered: 5-2005
| | Posted on Sunday, April 23, 2006 - 3:18 pm: | 
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does any one know what the btl on& off switch and the grid tune knob on the back side of this amp is for? i have the oreginal paper work but it doesn't have any thing about them in it. this amp has been pluged in one other time before and i don't want to damage it by not tuneing it correctly. thanks nickle |
Spiderleggs
Junior Member
Username: Spiderleggs
Post Number: 36
Registered: 5-2002
| | Posted on Friday, April 28, 2006 - 10:57 am: |
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I believe the btl was a receive preamp, and the grid tune was an input tuner to show the radio a low swr.If you put an swr meter between the radio and the maverick and the swr is high on the radio you can adjust the grid tune to lower the swr. |
Pogo12
Junior Member
Username: Pogo12
Post Number: 18
Registered: 3-2005
| | Posted on Sunday, June 04, 2006 - 4:26 pm: |
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Yes the btl is a preamp.The grid tune which is not properly named is to match the output of your radio to the input of the tubes.As posted above it is sort of swr tuner but more than that it isolates your radios output from the driver tubes input.It goes to the driver cathrode pin 3 of your driver tubes if I remember right.Tune for max deadkey. |
Lonestarbandit
Member
Username: Lonestarbandit
Post Number: 76
Registered: 10-2006
| | Posted on Sunday, April 15, 2007 - 2:14 pm: |
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hmmm btl is a preamp??? mine does nothing on my raider and also i have a tunable pot under the switch how odd. which again does nothing |
