so I'm guessing Drake used what they could get.
73, Joe Pyles KC9LAD
At 10:42 AM 10/1/2018, Joe Pyles wrote:
Fender Telecaster guitars have a similar switch to choose different
pickups and the knob looks like it would fit the Drake tuners. The
part number is 099-4936-000. I have ordered a few
The knobs that are needed are the ones on the reactive and resistive
levers under the large knobs on the MN2700. Those switches are rotary
switches that are mounted horizontally and have a flat lever that
goes through the front panel.
73, Joe Pyles KC9LAD
At 04:24 PM 10/2/2018, Barnhart
get them any day from The Guitar Center and
will let you know if they fit the tuner switches.
73, Joe Pyles KC9LAD
At 02:44 PM 9/30/2018, Evert Bakker wrote:
Content-Type: multipart/alternative;
boundary="=_NextPart_000_0048_01D458FE.51AB5F30"
Content-Language: nl
Hello,
what mic will work good with a tr7? i have 7077 mic and the reports
i get say i sound tinny and no lows
joe
kf7hpt
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on their signal, but without the blanker the
radio would be fairly worthless.
73, Joe KC9LAD
At 08:07 PM 3/22/2013, you wrote:
Tom,
Welcome home.
As an owner of the TR-7 for 30 years, I can testify to what a great
rig they are.
I'd highly recommend looking for a TR-7 with a 3 piece back
panel
/DrakeManuals/2C/Manual_2C.htm
That's a nice receiver, Steve. Enjoy it!
Joe Connor
From: Steve Voigt sbvo...@roadrunner.com
To: drakelist@zerobeat.net
Sent: Thursday, March 7, 2013 8:09 AM
Subject: [Drakelist] Drake 2B
Does anyone
On Fri, 2013-02-15 at 16:49 -0500, Brian Umbrell wrote:
Can the RV4 be used with the TR4C. Tried to see if there was any
difference between the RV4 and RV4C and could not see any.
Brian W3PDW
Brian, Check the actual VFO frequencies, I seem to recall they are
different.
HTH, Joe
Darrell:
Try Bryan Carling (http://www.af4k.com/index.html). I bought some Drake
crystals from him to get SW coverage on my Drake 2B. I was quite satisfied.
He's a good guy.
Joe Connor
From: Darrell Bellerive
Adjust L1001 on the PBT/Reference board to put the 40 mhz oscillator
back on frequency. The 40 Mhz oscillator provides
the 500 khz reference for the DR7 board. the 40 mhz crystal tends to
drift more than the other two crystals on the PBT/Reference board.
73, Joe KC9LAD
At 05:37 PM 12/23/2012
of their lowest band due to the size of the tuning capacitor(s).
You might verify that when the preselector is set at the bottom and top
of the 160M segment you see the same apparent sensitivity.
Joe, K9HDE
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No, just moving.
http://www.rldrake.com/news-20120814.php
At 07:42 PM 8/20/2012, you wrote:
http://www.thompsonauctioneers.com/R-L-Drake-Holdings-LLC-a186041.php
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I have a 1982 German price for the RV75 it was 998.00 DM. About
400.00 US in 1982.
73, Joe KC9LAD
At 12:22 PM 8/8/2012, you wrote:
Has anyone on the list ever seen the original selling price (MSRP)
for the RV75 Remote VFO? None of the price lists at WB4HFN's website
shows the item.
Just
the top of the listinfo page.
The list info page address is a clickable link at the bottom of each
Drakelist e-mail you receive.
The archive for the qth.net Drake email list is:
http://mailman.qth.net/pipermail/drake/
Use the same technique to check for inactivity/problems for that list.
Joe
Last night I tried to have the drakelist send me my password again
and it came through in seconds.
The option for mail delivery was disabled, I enabled it and I have
started getting messages again.
Thanks, 73, Joe KC9LAD
At 11:53 AM 3/5/2012, you wrote:
Joe -
Hmmm. Have you checked your
Test
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You need a Cinch-Jones S-310 CCT plug and connect the shield of the
alc cable to pin 10. Connect the center to pin 9.
Plug into the matching 10 pin PS7 socket on the rear of the TR7.
73, Joe KC9LAD
At 07:41 AM 1/28/2012, you wrote:
I am sure that are at least a few folks who are using the TR7
I use NTE229 to replace the MPSH20 on the predriver board and they work fine.
73, Joe KC9LAD
At 06:57 PM 12/20/2011, you wrote:
Sorry about that, I sent the e-mail before I was done typing. Does
anyone have source for an MPS-H20. It looks like they aren't
available. I found a reference
The diode is on the back of the af gain rf gain on off switch pot.
73, Joe KC9LAD
At 12:05 AM 12/13/2011, you wrote:
On Mon, 12 Dec 2011 23:43:16 -0500 (EST), scpmil...@aol.com wrote:
My Service Manual shows a diode CR1 across the + 12 volt line (I
guess this is reverse polarity protection
Digikey has them.
http://parts.digikey.com/1/parts/752107-relay-gp-3a-4pdt-12vdc-r10-e1y4-v185.html
73, Joe Pyles KC9LAD
At 08:08 AM 11/5/2011, you wrote:
Fellow:
I need an Antenna Relay Part # R10-E4-Y4-V185 made by Potter
Brumfield. It is plug in and has 4 poles.
Thanks,
Randall
The color of the TR7 case both sticky paint and vinyl clad was dark
gray. Some time after the production of ham radios was stopped,
Drake made replacement cases for the 7 line that were black vinyl clad.
73, Joe Pyles KC9LAD
At 04:34 PM 10/27/2011, you wrote:
Probably will decrease
It looks like the ground contact for the low pass filter board.
here is a picture. The ground strap is in the lower left in the picture.
It's kind of fuzzy but you can see it.
http://www.wb4hfn.com/DRAKE/DrakeEquipmentPictures/Equip_TR7_Bottom.htm
73 Joe, KC9LAD.
At 07:46 PM 10/22/2011, you
for the DR7 board. When you install
the X-Lock you control the PTO drift but not the crystals.
73, Joe KC9LAD
At 08:27 PM 7/24/2011, you wrote:
Jim,
My observations on the TR7's PTO is that if the ambient room
temperature is around 70 F, the PTO is quite stable after initial
warm up
. For
example, I would like to be able to monitor the 19m band; and
(3) I have yet to master the 2B-Q Q multiplier.
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If anyone has one for sale, please let me know.
Joe Connor
From: Joe Connor joeconno...@yahoo.com
To: Mail List - Drake Gear Drake Gear drakelist@zerobeat.net
Cc: boatanch...@mailman.qth.net boatanch...@mailman.qth.net
Sent: Wednesday, July 6, 2011 8:01 PM
had no problems since.
Joe KC9LAD
At 05:29 PM 7/4/2011, you wrote:
Steve,
No doubt others with more experience will jump in. I've recently
pulled more than a half-dozen PTOs in the last week. The first one
takes a bit of time to think through but the info on WB4HFN's
website is excellent
The dumbbell capacitor in mine was across the coil in the PTO can.
The capacitor is a small, tubular, and white, with colored markings
on it. The wire leads are wrapped around the ends of
the tube and it looks like a small dumbbell.
Joe KC9LAD
Hi Joe,
Are you referring to one
Ron,
I was in your exact shoes when I needed a replacement end cap for my
L-7. For a while John Kiriner was selling replacements for these. If i
recall they weren't very expensive either. He may very well still have
some. I'd send him a note to find out.
73 with regards,
Joe Loverti Jr
.
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receive other SW bands.
After spending a couple of evenings fiddling with this set on the ham bands and
on 41m, I'll be keeping an eye open for Drake sets at all future hamfests. This
one is a keeper.
Joe Connor___
. For example, the manual says to adjust L-9 as
part of the crystal oscillator alignment. How do I know where L-9 is?
As always, thank you for your advice and guidance.
Joe Connor
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Curt,
Thanks for the answer. I'm using the cable with metal tag for the injection.
I haven't tried tuning up the T-4XB without it plugged in -- I'll give it a
try an see what gives. If there's no difference, that would eliminate the
cable as the problem.
WW8X
Joe
for the #53 bulb. The LEDs also draw
a lot less current and don't heat up the PTO. The red numbers on the
s-meter show up fine.
73, Joe KC9LAD
At 10:10 AM 4/17/2011, you wrote:
Jim,
I have both blue and red LEDs on my TR7 s-meter. Kind of works, but
leaves a red blush on the meter that makes
Yes the red numbers show up fine. The color is very close to the way
it looks with #53 bulbs.
73, Joe KC9LAD
At 04:01 PM 4/17/2011, you wrote:
On Sun, 17 Apr 2011 15:24:53 -0400, Joe Pyles wrote:
the bulbs I use are from SuperBrightLEDs.com part no. Warm White BA9s-WWHP6.
Interesting. How
with a Harbach Soft Start.
Joe WW8X
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Hi Don, Thanks for getting back with me about the cable. Thanks for the
advice.
Joe
WW8X
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Hi guys,
I want to use my Heathkit SB-200 amp with my T-4XB. Does anyone have a
source for the interconnect cable or instructions on how to fabricate one?
Thanks in advance!
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. You don't have align anything just put the
bottom cover back on and use the radio the same as always except no drift.
73 Joe KC9LAD
Tom,
I did a bit of research on huff-puff stabilizers a month or so back
and the one that seems to be preferred for the TR7 is DL1SDQ's
Digital Automatic
You do not need the AM filter to transmit AM. It does not matter what
mode you transmit in, on a TR7 it always uses the 2.3khz sideband filter.
When you transmit AM, you transmit carrier plus upper sideband (A3-H).
73 Joe KC9LAD
At 03:49 PM 1/8/2011, you wrote:
On Jan 8, 2011, at 10:38 PM
even takes Paypal.
73, Joe KC9LAD
At 03:10 PM 1/3/2011, you wrote:
Won't this English document work just as well?
http://www.dl7maj.de/DAFC-deLuxe_en.pdf
From: Joe Pyles epy...@indy.rr.com
To: drakelist@zerobeat.net
Date: 1/1/2011 6:14 PM
Subject:Re: [Drakelist] TR7 Drift
I
I have 2 TR7As both with Conny's DAFCs in them and you can turn them
on cold and immediately begin talking and they don't drift.
I also have 2 TR7s both with Cumbria Designs X-lock in them and they
are also as stable as the TR7As.
The X-lock required me to make a diode resistor network to
output! Now at this point I have to turn
the pot to about 11 o'clock to get the audio loud enough for comfortable
listening, instead of 1 o'clock. I have an S-7 meter reading with the
calibrator turned 80 meters. I still have more checking to do. Really
appreciate the help.
Thanks!
WW8X
Joe Loverti Sr
a
comfortable audio level about 9 o'clock. Is there a way to boost this
receiver's audio output or is there something obvious to check? Any
suggestions always appreciated. Thanks in advance and happy holidays to all
the Drake list folks.
WW8X
Joe Loverti Sr.
Miamisburg, Ohio
OK.
Direct substitution with a new 6EH5 makes no difference.
I don't have a new another 6GS6 to test in circuit.
Where can I find a 13 tube schematic? I'm having trouble locating the other
components mentioned to check.
Yes. I know I need to buy Garey's CDs !!
WW8X
Joe Loverti Sr.
Miamisburg, Ohio
Kevin,
Send an email to k...@aol.com (Kevin). He makes very high quality amp
interconnects for the T-4X. They are less than $20 shipped. Plug in
and play. Highly reccomended!
73 and God Bless
Joe
WS8X
Sent from my iPhone
On Dec 22, 2010, at 3:29 PM, drakelist-requ...@zerobeat.net wrote
, if there is something else that I may be overlooking due
to inexperience.
As usual, thanks for your time and assistance going forward!
Happy Christmas and New Year,
Joe Loverti Jr.
WS8X
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Gary, I will be sure to check that out. Thanks for that information!
73,
WW8X
Joe Loverti Sr.
Miamisburg, Ohio
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equipment!
Thanks!
73,
WW8X
Joe Loverti Sr.
Miamisburg, Ohiio
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Guys:
My T-4XB and R-4A have been working well together the last few weeks. But,
tonight I noticed an odd problem that I'm hoping is an easy fix.
When I have the transmitter controlling the frequency its PTO has little
effect – I continue to hear the receiver PTO and turning the receiver PTO
knob
is it for a plate cap to break away from a 6JB6
like that? It seemed awfully weird for that to have happened??
73,
Joe
WW8X
Miamisburg
Ohio
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.
Hopefully it will hold.
73,
Joe
WW8X
Miamisburg,
Ohio
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Here's a progress report or update on the preselector slippage issue.
Gary Poland sent me a solution and a diagram explaining his fix. I tried it
last night it worked very well.
To those with a similar problem you might want to try Gary's suggestion, if
you're not already familiar with it.
using the RCVR, XMTR,
or in separate to tune up.
73 and thanks!
-Joe
WS8X
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if this is normal or do I have an
issue that I need to take care of.
Any ideas certainly most welcome. Thanks.
Joe
WW8X
Miamisburg
Ohio
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work.
Thanks for your input!
73,
Joe
WW8X
Miamisburg, Ohio
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like this would have happened more gradually.
I am getting plate current, just way down from where it was at.
RF tune does peak but, it's way down from where it was. Only about .2
amperes.
I've gotten the same results on all the bands that I've tried, 80, 40, and
20.
Thanks for the help!
-Joe
Fellows I have a question about the preselector on my R4A:
The red pointer doesn't want to move past the 15 mark on the dial face. If I
apply some light upward pressure to the bar connected to the three tuning
slugs the dial will pointer will move up to the 10 mark and pull the slugs
further out
getting 10W max
into a known DL. What would be the cause of this sudden loss of output?
Thank you advance!
-Joe
WS8X
St. Louis, MO
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Do you have a neon sign business close to you? They use some nice HV wire.
Joe - KB9R
On 11/2/2010 3:38 PM, Robert Smith wrote:
I need to replace all the High voltage wire inside the L-4 PS
that goes to the 50k Bais resistors.
Does anyone know where I might find some of this wire
I'm trying to wire a D-104 Silver Eagle to my T4XB and not having much luck.
There's 5 wires from the mike: White w/Shield, Black, Red, Blue and Yellow.
I believe the correct wiring to the S230 would be:
Red to tip, White to middle (audio) and Black and Shield to ground? Any
suggestions would be
Thanks to you all who replied to my question about the microphone hook-up.
Got it working... Best regards,
73,
Joe
WW8X
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Lacquer thinner will take a sticky paint case down to the metal.
73, Joe Pyles KC9LAD
At 05:26 PM 10/14/2010, you wrote:
From: gypsym...@aol.com
To: Drakelist@zerobeat.net
Subject: [Drakelist] Drake Cabinet painting
Hi folks,
FWIW Took a cabinet up to Hartzell in Miamisburg, OH today
Using my TX4B and R4A I'm getting an annoying audio feedback from the
microphone through the MS4 speaker. This feedback occurs using several
different microphones (Turner +3 and Shure 444) and into both a dummy load
or the antenna. The radio's chassis are connected to earth ground. Have you
got
Thanks to you guys that responded... turning the R4A function to Ext. Mute.
solved the problem. One of these days, I'm going to learn how to use these
radios!! Baby steps!
Thanks again!
Joe
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http
I'm rebuilding an AC-4 using the heathkitshop kit. I've got it all wired and
double (even triple) checked all the wiring. I don't see any problems. When
I power it up I get sparks and arching sizzle from where one of the red
wires attaches to the PCB pad. This is the 2nd one I've rebuilt... the
Bad solder joint... went back in and reheated the solder connections to the
PCB... powers up fine now!!
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screws they'd be
willing to sell.
Thanks again for all the advice and help I've received from this list!
Joe
WS8X
Sent from my iPhone
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with it. Thanks to Bill
Frost, Bob Drake and the R. L. Radio Co., for preserving an important era in
the history of amateur radio and American manufacturing genius. The link is
here:
http://www.youtube.com/watch?v=-Py4BraHUFY
73,
Joe
WW8X
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conductor of the jack is open
from ground. Shorting the center conductor to ground returns the receiver to
the receive condition.*
*
*
Joe
WW8X
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and
adjustable with the R4A.
I obviously have a problem with the calibrator and NB... and maybe the
sensitive tuning is just the nature of an R4A... I don't know.
Suggestions are welcome and appreciated.
Joe
WW8X
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Forwarded Message
From: Joe k9...@comcast.net
Reply-To: k9...@comcast.net
To: Drakelist drakel...@www.zerobeat.net
Subject: [Fwd: [QRP-L]
DrakeTwinsFound,NowLookingForBrailledSkirtsForThem.]
Date: Mon, 20 Sep 2010 20:35:03 -0500
Can anybody help these guys in their search?
Joe
brass sleeve... it
wasn't too hard taking it apart, but putting it back together is new a ball
game. Your tips and suggestions would be very much appreciated.
Best regards,
Joe Sr.
WW8X
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http
Thanks for the links and tip on capacitor kit. Garey is correct my capacitor
is a 4 section (100, 100, 100, 20 @ 200 WV) NOT a 5 section cap . I just may
be able to get 4 of them inside the can since I don't need 5 like I
originally stated.
Best regards,
Joe Sr.
WW8X
On Fri, Sep 17, 2010 at 4:43
Thanks for the correct wiring info! Problem solved there :)
Made my first SSB contact on 75M last night. Still only getting about
100 watts out. The output seems to be fluctuating after tune up.
73
Joe
WS8X
Sent from my iPhone
On Sep 14, 2010, at 11:00 AM, drakelist-requ...@zerobeat.net
desk mic made by Shure. I believe it's a Shure 444D
model.
Anyone have the correct wiring method for these mics?
Still puzzles me why this would cut the rx out even wired incorrectly.
Thanks,
Joe
WS8X
Sent from my iPhone
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) that isn't connected to
anything. The blanker IS installed on this radio. Does this resistor need to
be connected to something or does this seems normal as is?
Thanks in advance for your continued assistance!
-Joe
WS8X
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at this I feel like a
novice again. I guess I am... but, that's OK. I'm just real happy she put
out RF on 80 meters.
As always, suggestions welcomed and much appreciated.
Joe Sr.
WW8X
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http
voltages seem really out of wack... got any ideas?
Thanks,
Joe
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on here. Any insight would be appreciated!
Thanks and 73 with Regards.
Joe; WS8X
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just a few seconds. I don't remember it getting that warm
before the rebuilt. I remember hearing you should be able to leave your hand
on a transformer for at least half a minute or it's running too hot.
Just wondering if that's normal?
Thanks,
Joe
ampreres.
Any guidance would be much appriciated!
Regards and 73,
WS8X
Joe
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that and tune OK with no
trouble. It's very puzzling -- got any ideas?
Thanks,
Joe
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. I've checked the continuity
between the 6JB6 tube caps and the B+ lug (#10) and it checks OK... Now
where should I look?
Any suggestions, greatly appreciated.
Joe
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I bought a TR-4CW/RIT off ebay and it would jump in frequency even
when just listening. I found that one of those dumbell ceramic
capacitors inside the PTO
had a very small crack in it. I replaced the cap and all is well.
73, Joe Pyles KC9LAD.
At 05:19 PM 8/19/2010, you wrote:
Hi People
Check pin 5/46 on the DR-7 for the 500khz reference. If not there.
check the PBT/REF board as thats where the 500khz comes from.
73, Joe KC9LAD.
Well, I appreciate everyone's patience with my TR-7 from hell (as
someone so aptly called it). I've got full receive and transmit now,
all that's
On page 3-3 of the TR7 manual at the bottom of the page it says If
low impedance headphones are used, a 100ohm resistor should be
installed in series with the phones.
73, Joe Pyles KC9LAD
It's a transistor/IC stage so will be OK with a high impedance load.
If background hiss is a problen
Check the switch on the back of the radio marked CNTR is in the NORM position.
At 01:32 PM 5/15/2010, you wrote:
Turned on my TR7A last night and the display was blank except for
the decimal point. Any ideas or suggestions would be appreciated -
Thanx es 73!
Jude WD9FUM
of
the high pass filter. I repaired a TR7 that the owner had connected
the output of another transmitter
to the antenna connector on the TR7 and shot about 50 watts into it.
It seemed to work ok on the lower bands but on 15 and 10 the power
was very low, it was these 2 diodes.
73, Joe KC9LAD
Allied Electric has them.
http://www.alliedelec.com/Search/ProductDetail.aspx?SKU=7508650gclid=CLLKuf-O7aACFSFy5QodcziVGg
73, Joe, KC9LAD
At 11:00 PM 4/3/2010, you wrote:
Anyone now where I can get a Cinch S-2404-CCT (or equivalent)
connector for the Drake TR7? This is the 13.8 volt 4 pin
His email is: jkri...@cinci.rr.com.
73, Joe, KC9LAD
At 08:56 PM 3/29/2010, you wrote:
Carl,
His store is still on Ebay tonight. I just looked to see if it had
closed and found a bunch of good Drake parts. I don't have a
current email for John in my address book. Most of my dealings
perform OK just didn't want to run any
risks here, these tubes are not getting any cheaper.
73 Max
Max,
Measure them. 150 can be 150 Ohms or 15 X multiplier of 0 for 15 Ohms,
depending on the resistor's manufacturer and Ohmic value coding scheme.
Joe, K9HDE
The early digital control boards had 9 ICs and the late boards only
had 5 and one of them was a PROM.
73, Joe KC9LAD
At 06:55 PM 3/22/2010, you wrote:
My TR7 manual shows U201 as a MC14028 IC, not a PROM and Digi-Key
sells them for 52 cents, am I missing something here.
Mike W6MXV
and C-line users. However, the above has been my experience.
Joe, K9HDE
PS At a significant expense, the R4C can be modified into a world class
CW Rx but if this is news to you, you wouldn't make the mod anyway.
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The E-TEK FR-4 is for the twins such as the T-4XC and R-4C. The E-TEK
FR-4tr will work with the TR-3 and TR-4 series.
I have 2 FR-4tr readouts and they work ok but they are little slow to
update when you turn the VFO.
73, Joe - KC9LAD
At 03:10 AM 2/25/2010, you wrote:
On Ebay there is an E
hours instead of 1000
hours for the #53 bulb. The LEDs also draw
a lot less current and don't heat up the PTO.
73, Joe KC9LAD
At 03:32 PM 2/17/2010, you wrote:
OK. Well Don's are a little different, but still a shorted LED
should not blow a fuse. I assume you just soldered the leads
The round rubber feet with 6-32 stud can be bought at McMaster-Carr
part no. 9541K8. The self adhesive rubber bumpers that fit into the
bottom of the feet on the 4 line and 7 line etc.
are McMaster-Carr part no. 95495K121.
73 Joe KC9LAD
At 02:14 PM 2/15/2010, you wrote:
First Thanks to all
electronic equipment based on the PC
sound card are easily fabricated.
Do some research, decide build or buy, go for it!
Joe, K9HDE
___
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
to a website that has very good pictures of this.
http://members.ziggo.nl/cmulder/drake.htm#bookmark5
73, Joe Pyles KC9LAD
At 06:54 PM 1/31/2010, you wrote:
Good Afternoon,
My TR-7's PBT pots have finally reached the
point of failing to maintain the correct
frequency for both U/Lsb. I am going
There is a very thin piece of double sided tape on the far right side
of the front panel. That and the meter hold the panel on.
73, Joe KC9LAD
At 10:18 PM 1/31/2010, you wrote:
Ok, The Antenna selector switch on my MN-2700 suddenly went weird -
I could not select anything - it seemed like
I also emailed him and told him the same thing. I have 2 TR7s serial
nos 9390 and 10476. I also have 2 TR7As serial nos 11299 and 11558.
So the change over occurred between 10476 and 11299.
As with everybody else I got no response.
73 Joe, KC9LAD.
At 02:41 PM 1/6/2010, you wrote:
I like
The German who makes the replacement readout for the TR7 is Willi Rass DF4NW.
http://www.df4nw.de/
73
Joe KC9LAD
At 09:50 PM 12/31/2009, you wrote:
Have a nice TR-7 that has one section of one
readout that failed. What can I do , are any
replacements around? I remember a co ,,,German
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