It is very very broad. I watch for the dip on each end, then calculate how
many turns or partial turns to get it to the center of the range. Then close
enough. About the best you can do !!
David
Wd9cmd
- Original Message -
From: Carey Lockhart
To: drakelist@zerobeat.net
S
Book".
73's
David
- Original Message -
From: "Jim Shorney"
To: ; "David & Chris Drake"
Sent: Thursday, February 19, 2009 11:30 PM
Subject: Re: [Drakelist] TR-7 S meter issue
On Thu, 19 Feb 2009 17:44:59 -0500, David & Chris Drake wrote:
Anyway, I
can figure
out anything.
Later,
David
- Original Message -
From: "Jim Shorney"
To:
Sent: Thursday, February 19, 2009 5:11 PM
Subject: Re: [Drakelist] TR-7 S meter issue
On Thu, 19 Feb 2009 10:45:37 -0500, David & Chris Drake wrote:
I've gone over the S-meter setup
Hi, maybe someone on the list can help me troubleshoot this. My TR-7 is now
working VG+ with with one exception. the S meter reads way high on receive.
Wattmeter portion is correctly set per manual, and all other receive
alignments are spot on per the manual.
I've gone over the S-meter se
Carl,
I just installed a 24v EBM-Pabst fan on the back of my TR7. Getting 12v out of
the radio to run at about half speed. I then put a 2w 80 ohm resistor in
series to slow the fan down more yet. This is the third try at fans, and its
now nearly undetectable, but moves enough air OUT of the
Hello PSG,
Correct regarding the impedance. Heil does offer, or used to, an impedance
matching transformer to allow the Heil elements to be used on Drake/Collins
rigs. They even sell a special cable for Drake-Collins. However, they do not
work well. I have an HM10 and it barely has enough g
Thanks John,
I was thinking that, but I could'nt understand why. I'll give it another go at
140-150w and see.
73's
David, wd9cmd
- Original Message -
From: John Stringer
To: David & Chris Drake ; drakelist@zerobeat.net
Sent: Monday, February 09, 2009 5:
Thanks to Gary and Jim,
I think the finals in this rig are original, but not sure. I'll look closer
next week and play with it some more. I had an ALC light on 28.7full
brightness... at full CCW on the predriver with carrier control set at
maximum CW. I may go back to 150w and have anoth
Hello,
I decided to go back into my TR-7 this afternoon and do some tweeking to my
previous alignment. (the S meter seemed to read higher than my other radios by
quite a bit). After re-setting the S-meter per the manual, I thought I'd go
back over the transmitter settings and lower the output s
Hi, I have an older ms-4 that came with an early R4a I recently acquired.
Interestingly, it has a speaker with an alnico magnet. My newer Ms-4, that is
R4C vintage, has a ceramic magnet. Doing an A/B of the two, I think the alnico
model sounds better, which is what I would have suspected. An
- Original Message -
From: John Stringer
To: David & Chris Drake ; drakelist@zerobeat.net
Sent: Thursday, January 22, 2009 4:10 PM
Subject: RE: [Drakelist] TR7A on Ebay
If the definition of a genuine TR7A is one that was produced in Miamisburg I
believe that the followi
HI all,
I got hi rez picks from Radio Mart. I looked them over good. Here's my
opinion.
1. A EXTRA nice looking radio, looks little used with original gray case.
2. It does have the split rear panel, and the sn is 515x...can't confirm the
last digit.
3. TR7A face plate, that looks origin
Hey gang,
Ole' Radio Mart is at it again. A TR7A with a 5xxx serial number !! It does
have an "A" front panel, so technically, he can claim it was sold as an A
model, but the sn gives it away.
Its item number 250358419230 If anyone is interested. I've asked for the hi
rez pictures, so maybe
Hi everyone,
Just a note to the list.
As I have posted previously, I ran into a problem in the alignment of a newly
acquired TR-7. Alignment began just fine until I got to the VCO. At that
point I could not get the required 15v and 16v on the 14mhz and 28.5mhz bands
I was about 1-1.5v short
Thanks Gary,
I'll be working on the rig some more tonight.
Like I said previouly, I only had 23v on the output. Since the 15v and 16v
alignment values on the VCO board were both short by about 1.5v, it was
suggested by Jeff C. on the Sunday net I make sure I had 25v going to the VCO
in ord
From: "Jim Shorney"
To:
Sent: Monday, January 12, 2009 9:21 PM
Subject: Re: [Drakelist] TR-7 Board History and head scratching
Hi David,
On Mon, 12 Jan 2009 20:43:46 -0500, David & Chris Drake wrote:
Looking for some historical information on Drake TR-7 boards.
Hi to all,
Looking for some historical information on Drake TR-7 boards. I have before me
two DR-7 boards, one being green, and labeled C-3849 R. The second board is
beige in color and looks to be a bit better quality. It is labeled C-3849 W.
I also see that the circuitry is slightly differe
For all that may be interested, here's the announcement from CX for the vintage
radio contests upcoming; http://www.qsl.asti.com/CX/Feb2009announcement.html
A good way to have some fun with the Drakes !!
Thanks,
David
Wd9cmd
- Original Message -
From: Rick Tucker
To: drakelist@z
Rick,
As info, you can put the "tubers" to good use on CW in a couple weeks, and
SSB/AM in February. Classic Exchange or "CX" is sponsoring contests twice per
year for antique or nostalgia radios. You receive a 'multiplier' for the age
of the equipement used. See the Arrl Website for details
Bill,
If you need any help, let me know, I've refurb'd several of them.
Good luck,
David
Wd9cmd
- Original Message -
From: "Al Parker"
To: "billjhs" ;
Sent: Wednesday, January 07, 2009 8:10 PM
Subject: Re: [Drakelist] Hammarlund
Hi Bill,
2 good ones are:
www.hammarlund.info &
Hi
Thanks to all who responded to date. To be more specific, I'd prefer a B model
if possible, but won't overlook a T-4x or even a "reciter", but the reciters
are pretty scarce, and likely in poor shape. Then there's the filter issue to
contend with...4 versus 8 poles. I'd even consider a C i
Hi to all.
Looking for a T-4 any at a reasonable price to go with a R4a I have just
completed refurbishment. Receiver works great and needs a partner !! Chassis
needs to be clean and without corrosion if possible. Respond direct to
dra...@psci.net
Thanks,
David
Wd9cmd_
No Lee, none of us ever seem to learn. Just figure its in your genes
somewhere to rescue one of the beloved from the ashes behold the original
joy of the soft glow of the valves.
David
Wd9cmd
- Original Message -
From: "LEE BAHR" <[EMAIL PROTECTED]>
To: "drakelist"
Sent: Monday, Dec
Terry,
First check the TR7 power supply board for exactly +10v. This is the rightmost
pot and you can measure the 10v next to it on the top of a resistor as I
recall. Go to wb4hfn.com and you should find info on where to measure this.
This is not the best place to measure and adjust, but eas
I'd say the rig was used for swl purposes, and the owner was trying to get
maximum sensitivity out of it, although questionable how much more, if any.
I seem to remember this mod on one of the swl lists/sites.
David
Wd9cmd
- Original Message -
From: "Jim Shorney" <[EMAIL PROTECTED]>
T
Hi all,
Previously, I believe I discussed with some of you an L4B I recently acquired.
To recap,..Looked good cosmetically, internals looked good with no visual
burnt or dark areas and no signs of arcing. However, when fired up, I found
that the plate current read around 2000v on low plat
To the List;
I just completed the AC4R upgrade. The results were excellent. The board
installed with little effort.
I began this project due to my AC4 getting some age on it, and I had noticed a
drop in output from my TR4C on 40m down to around 150-160w. My AC4 was
purchased new by me at
Just a FYI to the list:
After searching for the control cable cinch plug for my TR7, I finally located
one at Electronic Plus. Tried the normal outlets such as Mouser, Digi-key,
Allied, Newark and others. No stock on this obsolete plug. However, I did
find it at Electronic Plus online. This
Hi all,
I've been told and have read where the power switch for an L4-L4B is
unavailable. Does anyone have a replacement source or remedy? I have one that
is always on, but the cw/ssb high plate switch works fine. Has anyone ever
repaired one? I suppose I could rig up an external switch to r
Hello,
Just acquired an L4B plus L4PS. First question: PS has a sn of 142X. This sn
does not seem to match up to the ones on wb4hfn's site. Any history? The last
Drake rig I ever saw with an X was a TR-6 prototype that I used back in the
70's.
Second question: The caps in the power supply a
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Hi Jason, and welcome back to the bands. Its difficult to tell where to
start and I'm sure others out there will hav
FYI to the group
I too have a heath VTVM that I use frequently for receiver alignment and other
uses. The probe is rarely included when you find one of the many versions
(cosmetically) of pretty much the same design. The probe designed for these
VTVM's is not necessary. The best thing to do i
Alan, most any Fluke will do as the others have said, and I have two bench top
models to attest to that. The handhelds are all very good meters. The Fluke
117 is near the best of the "affordable" line, and the 110 is at the bottom.
Of these the 115 or 117 would be a good choice. The 83's, 85
Fellas, aside from the R4B blatant false advertizing that has taken up so much
air time, I see that a pair of side trim panels for a TR7 has been bid up to
$45 with several minutes to go on epay. I continue to be amazed at how demand
can run prices up. I'm now convinced that owning any Drake r
-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David & Chris
Drake
Sent: Wednesday, July 09, 2008 9:07 AM
To: drakelist@zerobeat.net
Subject: Re: [drakelist] Drake 4 series screws
Hi guys,
I've been monitoring the threads on the screws and it looks like the
available.
http://www.wb4hfn.com/DRAKE/DrakeArticles/DrakeParts/Drake_Screws.htm
David
Wd9cmd
- Original Message -
From: David & Chris Drake
To: drakelist@zerobeat.net
Sent: Wednesday, July 09, 2008 9:07 AM
Subject: Re: [drakelist] Drake 4 series screws
Hi guys,
I
Hi guys,
I've been monitoring the threads on the screws and it looks like the web page
noted below, is for business purchases. I have a small retail business which
could make the buy, divide them up and distribute to whoever needs them. Just
want to be made whole eventually. I did reply to t
Steve, off hand, I'd say incerting any "non-aligned" board in the signal chain
will need to be aligned with the rest of the radio. PS if you have an extra
version 2 board to part with, I'd be interested.
Good luck,
David
Wd9cmd
- Original Message -
From: [EMAIL PROTECTED]
To: dra
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Thanks, the 6000 number does make some sense of the ones I've seen. You
never know with the number of parted out
Hi,
Does anyone know about when, by serial number, Drake went to the newer version
2nd IF-Audio board?
As much time has passed, I know that unless one is sure his/her radio is
original, it may be hard to tell due to possible board changes before the
current owner. But does someone out there
Hi all,
I'm considering driving over for the day, but not sure yet (gas may be $4 by
the weekend!!). However, for those who cannot make the forum, will anyone be
passing along the information discussed? I know last year there was a
downloadable summary by one of the presenters. I know its a
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Garey,
Thanks for the link. My current TR7 has the first gen. board. Its mid
5900's, so your cutoff must be
Hi all,
Couple questions: Is there a significant performance difference between the
first and second version 2nd IF/Audio boards?. I believe Drake changed to the
newer version along the time the R7 came out, but not sure exactly. And: If
the answer to the first question is affirmative, then
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Found it.
http://www.qsl.net/k4qu/
David
- Original Message -
From: "Terrell Hamilton" <[EMAIL P
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
DW,
Its the plastic parts on each end of the front panel on the 7 line. Ten Tec
used the same type of piece on t
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Go for it Fred !! There's not a lot of R7's out there to start with !!
Wish I could help you out.
David
Folks, it looks as though you can part out a TR7 and get more money for the
parts (looks like almost double) than if you simply fixed the radio and sold
it. (I'm talking about the various parts for sale on epay.) But I must also
say the prices seem to be going up for ANY TR7, working or not.
Yep! It may be my older ears, but I sure like to listen to the drakes and
other tube radios better than the new stock. Working on them? Like Lee said
"I don't think so". or at least in a limited way.
Fella's I believe our technology has taken SSB and CW radio modes to about its
limits. Fo
Hi, I have a W4 and use it after my mn2000. That way I can monitor the final
matched output, as well as swr at the same time. Works out pretty good. Also,
I have the peak reading board in my W4 so I can see SSB peak output. Makes it
good to set the mic gain as well. So, what I have is TR4C
Hi, most importantly the receiver, R4C, had the provisions for additional
filter options both AM, SSB and CW. The TR4C later came out with the TR4CW
which had a narrow CW filter built in. This transeiver was mainly a SSB unit
until then. Another plus of the R4C was variable pass band tuning (
e that.
73,
Eric KA8FAN
- Original Message ----
From: David & Chris Drake <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Wednesday, March 12, 2008 10:32:35 PM
Subject: [drakelist] TR7 Project/Pwr Supplly Transformer
Just a note to all regarding the broken tran
Just a note to all regarding the broken transformer core on the power supply
board of my project TR7. At first I figured I'd need a new transformer.
However, based on expert guidance from Ron and Bill, I was able to super glue
back the two broken top pieces and then simply glued the top and bo
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Definitely improved pictures. Good looking meters. I'd be hard pressed to
tell you which is original and which
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim, you need better pictures. Its a little too dark to see any detail.
Thanks,
David
- Original Message ---
That likely explains why the previous owner said output was low and and
synthesiser would'nt hold lock on several bands. The power supply voltages
were the first thing I was going to check after I cleaned everything up. Well,
there you are. Troubleshooting tip number one.
Thanks,
David
---
en Drake was selling them off.
73,
Don, WB5HAK
----- Original Message -
From: David & Chris Drake
To: [EMAIL PROTECTED]
Sent: Thursday, March 06, 2008 8:25 PM
Subject: [drakelist] TR7 Project
I began to disassemble my project TR7 this afternoon and heard somethi
I began to disassemble my project TR7 this afternoon and heard something
rattling around toward the front of the rig. As I kept disassembling, it
finally fell out, well pieces of whatever it was fell out. The two pieces
looked awfull familiar, but I just could'nt figure out where they came fro
d this means more
fun sooner...
-Original Message-
From: David & Chris Drake <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Thu, 6 Mar 2008 11:01 am
Subject: Re: [drakelist] re TR7 PTO/troubleshooting in general
To the list,
Has anyone ever compiled a troublesho
To the list,
Has anyone ever compiled a troubleshooting doc for the TR7?? I know there are
a lot of bits and pieces out there and have downloaded and printed many of them
for my files. The service manual is also imperative, as well as extender
cards. This would be a good thing for us Drake lo
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
One last ditto. Yes, its the same on the TR7A model as well. Strong
signals just keep on coming through. Good t
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Peter,
You'll need a manual for the CC1 components. I don't remember a manual for
the CC1 itself. Maybe the
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Rich,
Forget the mic for the time being. Do this first: Most of the three tube
TR's with fresh finals will/should
Does anyone know of a source for a replacement clear plastic nameplate cover
for a tr7? It would need the rectangular cutouts for the pushbuttons, so
that would mean it would likely be custom made or NOS.
Thanks,
David
Wd9cmd
Yes Ken, you are quite right. Neuses Tools makes a nice pocket tool as you
suggest. The CB5 or CB6 is a nice little kit. More info is on Ron's
website here:
http://www.wb4hfn.com/DRAKE/DrakeArticles/TechTips/RelayCare.htm
In fact I just finished repairing an old Swan rig. This tool cleaned it
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Probably about right, given the box sizes and the weight of the PS7
Good luck,
David
Wd9cmd
-Original Message-
Fr
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
$42.65 to beautiful Huntingburg Indiana !!
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTE
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Howard, you should plan on rebuilding the AC4 with the kit available from
the Heathkit shop, at a minimum. A better bet
Joe,
I got close to 200w out with sylvanias when they were new on 75. As they
have aged a bit, I'm now routinely seeing 180w+ on 75 and 40. Around 175w
on 20 and down to around 150-160w on 15. Don't have an antenna to load on
10, but to a dummy load around 130-140w on 10. I think that is about
As a reminder to all, an excellent resource is Ron's website, www.wb4hfn.com .
This site may have the best collection of information available to us and it
grows all the time through the efforts of sincere and serious Drake collectors.
Please visit the site and click on the Drake logo for more
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
And you can bet production won't be in the USA.
David
-Original Message-
From: [EMAIL PROTECTED] [mailto:[E
Check your tubes in the audio and mic circuits.
David
Wd9cmd
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, October 24, 2007 11:26 AM
To: [EMAIL PROTECTED]
Subject: [drakelist] TR-4 Feedback
Hi ya'll
just developed a
NIce Card!!
David
Wd9cmd
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, September 04, 2007 6:59 PM
Subject: Re: [drakelist] Speaker Question
From the "for what it's worth" department:
I was actually happy with how my MS-7 sounded until
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim,
I'm on there as well. Page 3 or 4 I think.
David
-Original Message-
From: [EMAIL PROTECTED] [mailto:[E
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim,
I think Evan hit the nail on the head in a previous post. Why Drake did
what they did with the MS7 and MS8, I don
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim,
Well, to me yes, too much to pay for a not so good speaker for general SW
listening. I would say, however, if you
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
A muffin fan on top, works so much better, you should really try to figure
out how to keep the rig to the side of the su
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim,
The MS8 is out there, but got a bad rap from the git-go as to sound quality.
I, myself purchased a brand new R8 wh
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Thanks Jim,
David
Wd9cmd
- Original Message -
From: "Jim Shorney" <[EMAIL PROTECTED]>
To: <
Got it, Thanks, should be no problem from here on.
You guys are a great resource.
David
Wd9cmd
Good on QRZ and ARRL
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, August 24, 2007 6:43 PM
Subject: Re: [drakelist] Passband adjust on tr7
Chec
Hi, have a tr7 that works great, except I've noticed when switching from Lsb to
Usb, there is quite a bit of difference in the sound (PBT is off). Had this
issue with alignment on a R2000 before and the fix is to adjust the balance
trimmer until you hear the same pitch. If I switch in the PBT
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
I'd hate to see a 6 be modified to another frequencythey are quite rare
these days, and, I don't think
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Jim, Yes, but they need to say "volume" and "tone" !! However, I wonder
what they would look like.
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Hi, tried clicking on it,nothing. Tried copying it (both lines) and
pasting it,.no cigar.
David
- Original
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Hi, I noticed on the 2nd set of hamvention slides that Jeff Covelli
discussed upgrading the SSB filters in the TR4C.
Wow,
Glad I'm not the only one that still writes down (logs) my contacts. I
just can't get the hang of the logging programs. Its just too much for
me and I think it takes away from operating the radio and friendly
communications. Guess I'm old fashioned.
David
-Original Message-
From: [
Hi all,
Just curious..what is everyone is going to do with the New-Old Drake
logbooks we are getting from Joe?? For one, I'm planning on using mine.
After all, they are reproductions.
73's
David
Wd9cmd
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Thom,
Not sure what you mean by "claimed". When sending money to an email
account, and I do it often, on my en
Well, thanks to all for the many noise blanker comments. I guess I must be in
a fortunate location. On 3 acres, surrounded by trees, no power lines (elec is
underground) and no farmers within a half mile with any electric fences.
Station is very well grounded. I always heard hams brag on the
"David & Chris Drake" <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
--
Hi all,
I would like to start a thread regarding the various noise blankers
Drake produced over the years. I think I'
89 matches
Mail list logo