Re: TR-4
#ForSale
They smell bad when they get hot. Joe WB9SBD
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Joe WB9SBD <nss@...>
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#74786
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Re: TR-4
#ForSale
well keep in mind that the tubes were designed as horizontal output tubes for TV sets. That is continuous operation. What kills them is when you exceed what the ratings are and what the manual tells
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David
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#74785
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Re: Going price for twins
The front panel, cabinet and copper are a huge determinant. Steve Wedge, W1ES/4 Time flies like an arrow. Fruit flies like a banana. Sent with [Proton Mail](https://proton.me/) secure email.
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Steve Wedge, W1ES/4
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#74784
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Re: TR-4
#ForSale
I was trying for a G rating. Pushing the output from 150W to 200W is less than 2dB but can exceed tube ratings (17.5W per tube, so 52.5W per trio)/.6 = 87.5W, continuous. So running 200+W out is
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Steve Wedge, W1ES/4
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#74783
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Re: Going price for twins
Thanks Steve. The R4A, that I have is a 13 tube receiver and the PS was rebuilt in the spring of this year. Now I have an idea what they might be worth. Barry Sent from Mail for Windows Sent:
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barry halterman <kthreebo@...>
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#74782
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Re: TR-4
#ForSale
That's very true. Fish have no place in final amplifiers... joseph n. graif k4jng
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Joseph K4JNG
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#74781
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Re: TR-4
#ForSale
*** I once built a linear into an ARC-5 transmitter cabinet. It had 4 6LQ6 tubes. I bought them at Radio Shack, which had a *lifetime guarantee* on their tubes. I put that Radio Shack receipt in an
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jerry-KF6VB
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#74780
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Re: Going price for twins
The older Twins¡¯ value is determined by, in this order, cosmetic condition, operative condition and which version of the receiver you have. It¡¯s a somewhat complex calculation. A really nice
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Steve Wedge, W1ES/4
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#74779
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Re: TR-4
#ForSale
I will qualify that. 200W, on 40 & 80, into a dummy load. 180W on 20 150+ on 15 & 10. Yes, 100W is low, especially with replaced tubes -- though 8 years is enough time to wear them out if proper
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Steve Wedge, W1ES/4
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#74778
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Going price for twins
Can someone please give me an idea what a R4A and T4X might be worth. I have a pair and would like to part with it. I just spent a small fortune on new tubes for the R4A. Guess I will need to eat
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barry halterman <kthreebo@...>
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#74777
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Going price for twins
Can someone please give me an idea what a R4A and T4X might be worth. I have a pair and would like to part with it. I just spent a small fortune on new tubes for the R4A. Guess I will need to eat
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barry halterman <kthreebo@...>
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#74776
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Re: TR-4
#ForSale
170-180 out here¡.. Joe ¨C W7RKN From: [email protected] [mailto:[email protected]] On Behalf Of Joe WB9SBD Subject: Re: [DRAKE-RADIO] TR-4 #ForSale 100 watts is not right. Every TR-4 I
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Joe - W7RKN
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#74775
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Re: TR-4
#ForSale
100 watts is not right. Every TR-4 I have ever had and used has made close to 200 watts CW OUT. some even a bit more. 100 watts and something isn't right. Joe WB9SBD
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Joe WB9SBD <nss@...>
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#74774
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#ForSale #AC-4 #MS-4
#ForSale
#AC-4
#MS-4
This equipment has all been sold. Thanks Joe Z. for reminding me about this ad. 12-31-2024. Need to thin out the radio collection, the kids are starting to worry about how much work it's going to be
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Tom Hellem
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#74773
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Edited
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Re: 2-C Audio Circuit Capacitor Question
I /believe/ the "pointed end" (with the lead sticking out) is + ? Tantalums do NOT like to be hooked up reverse polarity! Let us know how you do. 73, Jim W7RY -- Thanks and 73, Jim W7RY
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Jim W7RY <jimw7ry@...>
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#74772
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Re: S meter sticks
I was able to remove the meter from my TR7. It appears when I was removing it, the meter mounting was loose. I did check and the movement is good so no problems there. Replaced the meter and made sure
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K6OXN Bob
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#74771
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Re: 2-C Audio Circuit Capacitor Question
Thanks...got one ordered. --Ed, N3CW--
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Ed G
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#74770
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Re: 2-C Audio Circuit Capacitor Question
That part is a 1 uF. Possibly tantalum ¡ª which are sensitive to polarity. Steve Wedge, W1ES/4 Time flies like an arrow. Fruit flies like a banana. Sent from [Proton
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Steve Wedge, W1ES/4
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#74769
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Re: 2-C Audio Circuit Capacitor Question
Looks like an axial lead (a.k.a. Bullet) Tantalum Electrolytic. Sent: Wednesday, November 29, 2023 7:38 PM To: [email protected] Subject: [DRAKE-RADIO] 2-C Audio Circuit Capacitor Question Working
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Omni
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#74768
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2-C Audio Circuit Capacitor Question
Working on my 2-C, and am replacing some capacitors.? When removing C64 in the audio section, I notice it has some type of insulating material or shielding under it, between cap and PC board. I tried
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Ed G
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#74767
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