Re: white line on 7 line knobs
Another thing to consider is that if you clean the knobs in an ultrasonic cleaner, the paint will be gone when you¡¯re done. I¡¯ve been using the putty stick to bring the lines and dots back but am
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Steve Wedge, W1ES/4
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#71069
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Re: TR7 Filters and Knobs
Knobs without set screws are usually push-on.? Held by a flat spring. Can be pulled off. Sometimes takes a strong pull or careful prying.? Be careful the spring does not pull out and get lost.?
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Richard Knoppow
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#71068
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FS: MN-2000 and SB-200
Fellow Drake Enthusiasts, I have the following equipment for sale, Hamvention pick up only due to health issues. ?My QTH is about 4 miles west of Greene County Fairgrounds, new home of the
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Evan
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#71067
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Re: white line on 7 line knobs
They are called "paintsticks". I use one of these, works well.
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Peter E
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#71066
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Re: 2-B Lights
[...] *** There are SMD LEDs out there with pre-soldered leads. People use them for dollhouses. https://www.amazon.com/gp/product/B07P8PMCCS/ I used them to restore the backlight on an Alinco DR-1200T
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jerry-KF6VB
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#71065
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Re: TR7 Filters and Knobs
They do have set screws. At least all of mine do. 73 -Jim NU0C "jerry-KF6VB" <jerry@...> wrote:
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Jim Shorney
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#71064
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white line on 7 line knobs
Jerry, Sounds like you are making good progress. As to the knobs, one of the antique radio vendors sells a white "putty stick" which one can rub onto/into the indicator lines on the knobs. ?After
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Evan
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#71063
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Re: 2-B Lights
Oh, and, the blue tape is just to hold the PCB to the piece of wood. I may cyanoacrylate them together but, for now, it's just a dirty prototype project. Thanks, Barry - N4BUQ
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n4buq
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#71062
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2-B Lights
Because the factory lighting for the 2-B's dial leaves a bit to be desired - particularly in the center portions of the dial, I tried something a little different and mounted a few SMD LEDs and
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n4buq
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#71061
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TR7 Filters and Knobs
So today a care package arrived from Noble Radio. A 450Hz CW filter. A true work of art. I did not delay in installing it. Had to do some cleanup on the filter card; somebody had done a messy remove
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jerry-KF6VB
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#71060
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Re: 2-A S-Meter Reading
4 Line. The 2¡¯s are not the same. Steve Wedge, W1ES/4 Time flies like an arrow. Fruit flies like a banana. Sent from Proton Mail for iOS
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Steve Wedge, W1ES/4
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#71059
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Re: 2-A S-Meter Reading
A little low S-9 on a Drake should be 30 uV.Sent from my Galaxy
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Richard Knoppow
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#71058
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Re: 2-A S-Meter Reading
I am fairly sure that during the 2 series, S9 is 50 uV. The others here will correct me if I¡¯m wrong. I can¡¯t remember if the 2-A had any paper capacitors (the 2-B has film capacitors that look
By
Steve Wedge, W1ES/4
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#71057
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2-A S-Meter Reading
I have a very clean (for a 60 year old radio) 2-A that I'm checking out for selling. It has been my bench receiver for years and seems to work fine.? All voltages check out fine.? for a 50 uV signal
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Clark WU4B
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#71056
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Re: Using a resistor with 6BN8 filament
Bill, You are absolutely right!?? I screwed up! (That never happens does it?) I see what I did now!!? Late last night I had both schematics on my desktop....? the 2-B? was a DJVU file and the 2-A
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Rick WA6III <myr748@...>
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#71055
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Re: Using a resistor with 6BN8 filament
My 2B is s/n 2974 and it uses an 8BN8. May 1961 is printed on the S-meter rear cover. Food for thought: if all of the filaments were floating, instead of being grounded on one side, would this
By
ve3fit@...
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#71054
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Re: Using a resistor with 6BN8 filament
Rick Check it out Bill WB2UFC
By
william stevens
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#71053
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Re: Using a resistor with 6BN8 filament
Rick The 8bn8 is used for 3 things bias rect,noise Lim, audio amp see attached
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william stevens
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#71052
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Re: Using a resistor with 6BN8 filament
Rick My 2 B is SN. 9200 and it uses 8BN8¡¯s BILL
By
william stevens
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#71051
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Re: Using a resistor with 6BN8 filament
Indeed! I have bought several tubes from them!? They have so much "good stuff" that even if I want only 1 tube I usually get 2 or 3 and I always need other tubes and stuff too! I am a little late to
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Rick WA6III <myr748@...>
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#71050
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