To everyone on the list looking to purchase the AC4 upgrade
kit.
In the last couple of weeks I am receiving numerous e-mails
daily wanting to purchase that AC4 Upgrade Kit.
I reply that I DO NOT sell that kit, it is ONLY available
from the Heathkit Shop. To those that feel the need to get
Mike, it sounds like the grid choke on one of the tubes has
opened. That is about 50% of the time where a tube
arc's between the plate and grid.I would not run the
amp until that is fixed.If a tube is going bad it will
show up again and that could cause more damage than just a
___
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
Hello Thom,
I love fruit case as well, but to top it off, a cheese
cloth over the top, soaked with a little Kentucky Bourbon
and let it set a few days. Now that is the best of the
best.
73, Ron / WB4HFN
-Original Message-
From: drakelist-boun...@zerobeat.net
Garey is correct never put tube shields on those two tubes.
That TX driver tube with the shield in place can easily
overheat and short out and usually burns a resistor.
I was told by a Drake engineer many years ago that they used
that style tube socket because they needed shielding around
the
There are replacement fan blades for the L4B from Torrington
MFJ. Co
There is a nice article on the fan blade, in an article on
my website. www.wb4hfn.com
The article includes a tutorial on the blades available, and
how to replace the blade.
Check out the What's New section, it is the first
Peter, from what I can see, from your results the drive
power vs. your power output I would say is about what you
should expect.
Remember running the L4B on 120V the amplifier will not be
as efficient as running on 220V.Also, running the
amplifier on a standard 120V, 15A house circuit is
Tom, you will find on my Drake website (WB4HFN.com) the
complete manual for the TR-33. It is in the Adobe (.pdf)
format.Here is the link.
http://wb4hfn.com/DRAKE/DrakeManual-PDF.htm
73, Ron / WB4HFN
_
From: drakelist-boun...@zerobeat.net
Joe, the SRA-3MH+ must be a newer version or product.It
has been three years since I last bought several of the
modules. I know the SBL-1MH+ works fine, but that newer
version should be a little bit better according to the
specifications.
Ron
_
From:
All, Drake made 517 of the TR-5 Transceivers.They
started with serial number 001000. Any serial number under
001000 was a prototype preproduction model. The highest
serial number on record with the birth certificate (assembly
line final check-out tag) is serial number 001514, which I
Mike, I am not sure how well that idea would sell because
the AC4 power supply is still a very common item to find.
I would think the AC4R upgrade kit would be the future for
the AC4. I have installed about a dozen of those upgrade
kits this year in customer radios and I think this is a
Bob, has a good suggestion, when the oscillator tubes start
going weak the upper crystal frequencies are the first to
have issues. Replacing that tube could bring those bands
back to life.I see a lot of that in the TR4 repairs,
when the 40, 15 and 10 meter bands become insensitive or are
Carl, first of all it would be a sin to modify a nice piece
of Drake equipment. With that said I do not like any
Drake modifications, I like it the way it was, back when.
The problem is finding the 6JB6 tubes, and if you know where
to look new tubes are still available. We know lately
there
Jim, use lighter fluid, That will not damage the panel
paint and will dissolve the glue.When you pull off the
plastic it will leave a stripped finish, glue residue, which
with lighter fluid on a soft rag and a little rubbing that
will come off too. I have been there and done it with a
All,as our Drake equipment gets older finding
replacement switch parts is becoming an impossible
challenge.So what are the alternatives beside making it
a parts chassis. Switch repair is becoming a necessity
to keeping those Drake pieces alive.
The Drake L4B Power Switch is a
Sorry, I got my links mixed up in the previous posting,
Here is the link to David Drake's (WD9CMD) great article on
the Drake L4B Power Switch Refurbishing article.
http://wb4hfn.com/DRAKE/DrakeArticles/L4B-SW/L4B-Switch01.ht
m
Ron /WB4HFN
-Original Message-
From: Ron Baker
...@zerobeat.net] On Behalf Of Ron
Baker
Sent: Thursday, July 02, 2009 7:46 AM
To: drakelist@zerobeat.net
Subject: Re: [Drakelist] Drake Switch Repair Articles
Sorry, I got my links mixed up in the previous posting,
Here is the link to David Drake's (WD9CMD) great article on
the Drake L4B Power
Pete, the quick answer to both questions is yes.
Unfortunately Drake, when they were liquidating their
inventory, sold to anyone that wanted them, the top front
panel section which indicated the TR-7A.I have
personally seen those panels placed on very early TR7's with
serial numbers in the
Hello Thom, yes we are still lurking in the background,
during the summer frequent list participation gives way to
cutting grass, vacations and other numerous activities.
Wait till the snow flies this winter and we have 3 or 4 feet
of snow on the ground, the list server will be busy again
Ron
I just wanted to say thank you to all those who responded to
the part I was looking for. I have lots of information to
read through.
73, Ron / WB4HFN
___
Drakelist mailing list
Drakelist@zerobeat.net
All, I am looking for the balanced modulator, CM1-HF, which
is found in the Drake TR7 up-converter board.I have
searched the Internet with no luck. If anyone has one or
knows where this part can be purchased please let me know.
As an alternative, if anyone has an up-converter board for
The Drake production change from the TR7 to the TR7A
happened somewhere between serial numbers 11,500 and 11,800.
The A version was just a upgrade of the then produced TR7
with a couple of additions and external differences. Those
external differences being the front panel top section with
model
/ WB4HFN
_
From: Ron Baker [mailto:wb4...@comcast.net]
Sent: Thursday, January 22, 2009 6:26 PM
To: 'drakelist@zerobeat.net'
Subject: RE: [Drakelist] TR7A on Ebay
The Drake production change from the TR7 to the TR7A
happened somewhere between serial numbers 11,500 and 11,800
Lee, sounds to like a fairly normal ham who is looking for
a winter project. Something he will be proud to use, and
enjoy many years year to come.Once you get the radio
on the air, the radio will give you the unique opportunity
to engage in QSO's without punching a button and letting
Hello Jim, well I have both the R7A the TR7A mated
together and I see very little if any difference in the
receiving capability of either unit. The R7 is basically
the same as the receive section of a fully loaded TR7, but
with a few minor exceptions like the notch filter and noise
blanker
For what it's worth, I have found the Sylvania by far are
the best but I have found no matter whether its a Sylvania,
RCA, or GE, they all will neutralize in the transmitter as
the circuit was designed by Drake.I have found when a
tube would not properly neutralize the tube was either bad
or
You guys need to turn the glass upside down and fill the top
half of the glass.If the price is right I'll buy it, run
it through my restoration process, repair and alignment,
nice case paint job, and I'll bet it comes out looking like
new again. Maybe this guy has a crystal ball and can
All, for all those guys wanting brand new Drake case
screws, I just received an order and they are now available
for purchase. Replacement case screws for all Drake cases,
exact size, color and oxide finish, just like the Drake
originals, but more durable. If you interested in
purchasing
ALL,regarding the Drake screws being discussed. I just
placed an order for 10,000 screws. I should receive then
in about two weeks. I will package them up in 100 piece
packages and list them on the 'For Sale section of my
website, they will be listed with the other Drake
accessories I
Wd9cmd
- Original Message -
From: Ron Baker mailto:[EMAIL PROTECTED]
To: drakelist@zerobeat.net
Sent: Wednesday, July 09, 2008 9:23 AM
Subject: RE: [drakelist] Drake 4 series screws
ALL,regarding the Drake screws being discussed. I just
placed an order for 10,000 screws. I
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Garey,about 30 to 45 seconds is all the time it took.
Ron
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf
money order issued by
the Royal Bank of Canada in payment?
Please advise your US Postal Service charges to ship it to
Postal Code N0B 2T0, Wellesley, ON Canada.
73, Bob Abell VE3XM
- Original Message -
From: Ron Baker mailto:[EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, April
All, I will re-enforce what Evan is saying.You really
will appreciate the CD documentation when you have a need
for the information.I bought a complete set of CD's from
Garey a while back, and they have been very helpful with my
Drake repair and refurbishing work.
Ron / WB4HFN
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Mark, the net is always at 2000Z, for eastern time zone
it changes between 4PM during the summer and 3PM during the
winter.
For the record the WB4HFN
All, I am looking for a R-7 Receiver IF/AGC board. This
is the last plug-in board in the radio in the rear.If
anyone has a R7 parts radio or is parting out one please let
me know.
Thanks, Ron / WB4HFN
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Jim, the [EMAIL PROTECTED] is working fine from my end. I
got about 20 e-mails today from that address.
Ron / WB4HFN
-Original Message-
From
All, in case anyone is interested, its snowing in New
England. I already have two feet of snow on the ground and
the in-coming Nor'easter storm is dropping about 12 of snow
per hour, the current temperature is 6 degrees with a 30 MPH
wind.
WISH YOU WERE HERE
Stop by, I have plenty of shovels.
All, just a reminder, my Drake website has all the Drake
manuals on-line and some of them are available in .pdf
format.Also , Jim Cherry's Drake Virtual Museum
website has several of the Drake manuals available in .pdf
format.
Ron / WB4HFN
_
From: [EMAIL PROTECTED]
[mailto:[EMAIL
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Terry, the web link and additional information is available
on my Drake website, here is the link.
Ron
http://wb4hfn.com/DRAKE/DrakeArticles/FrontPanels
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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The Sunday Drake Net information can be found on my Drake
website, right side towards the bottom
Here is the link.
http://wb4hfn.com/DRAKE/DrakePageHome.htm
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All, Well today I released another article on the Drake TR7
transceiver. I started writing this article about 6 months
ago, thought it would be a couple
an utterance to the
drakelist gang
--
Hi Ron.
Tried the link, doesn't work for me.. can I find it
on you website?
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ron Baker
Sent
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
A year ago or so I saw one of the stripped TR7 Chassis on
eBay, not sure who was selling it, there are 2 or 3 doing
that now.Anyway it was a reasonably
All, Anyone interested in reading the article by Lee
Cramer, WB6SSW, on homebrewing the Drake 1544 RV-75 adapter
for the R7, the entire article is now available on the
WB4HFN.com website in the Drake section. The link is
below, take a look, click on the Feature area at the top of
the page.
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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All, I just saw this thread on purchasing crystals.
Howard I hope you didn't pay a lot on eBay because those
crystals can me purchased through International
Carey, it appears from your description the TR4 is working
fine in AM mode.That mode is a suppressed carrier AM,
meaning the carrier level or power output is very low on
idle and when modulated the power out varies with the
modulation.The 6JB6 tubes are not rated for high level
constant
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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Ken, the TR4 has an 0A2 regulator, itÂ’s a gas filled tube
used to regulate the 150VDC voltage line. Its normal for
the tube to glow and the glow varies
Bill, I sell the complete Transceive Cable assembly.
Here is a link to the page on my website if you want more
information.
Ron / WB4HFN
http://www.wb4hfn.com/SALES/SmallParts.htm
_
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Bill
Hosie
Sent: Wednesday, August
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Jim, check out www.findchips.com it's a search engine for locating IC
chips and solid state devices. I just plugged in all three IC's your
looking
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Since I sent out this notice about my refurbishing article I have received
well over 100 e-mails with questions. Because of the volume and time
constraints
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Bill, no before picture. It did not dawn on my to take pictures and do the
article until after I started the refurbishing process. But you would have
available with lots of pictures. Take a look if you have interest.
http://www.wb4hfn.com/DRAKE/DrakeArticles/DrakeRefurbishing/Refurbishing-01
.htm
http://www.wb4hfn.com/DRAKE/DrakeArticles/DrakeRefurbishing/Refurbishing-01.
htm
73 to all, Ron / WB4HFN
Ron Baker / WB4HFN
Check Out My Amateur
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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Hello Adam, glad you liked the article and the website. Its been a
labor of love with Drake ever since the late 1960's
73, Ron / WB4HFN
-Original
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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All, I have up on the WB4HFN.com web site lots of pictures of the 2007
Dayton Hamvention Drake activities.There are over 30 pictures and 8
pages
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
The full diagram and circuit layouts are all there on my Drake website. The
diagram does show the plug wiring. Here is the link.
Ron / WB4HFN
http
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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It appears someone is smoking something strange if they think my website is
restricted.
The www.wb4hfn.com website is open to everyone, with absolutely
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All, if anyone is interested in seeing all the variations of the Drake
logbooks I have then all nicely pictures on my Drake website. Most are
full size
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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I buy all my tubes from the link below, Electron Tubes, good prices, fast
shipping, 800 number to call, takes charge cards. I have had very good luck
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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Al, that is John Kriner selling that kit. Its actually a kit from Drake,
sold when they couldn't get the original plugs. John also sells a lot of
other
All, I am searching
for the Drake CA-1. This is the stacking kit for the "4"
line receiver / transmitter pair. I know its a very rare item, but if
someone out there has one and wanting to part with it please e-mail
me.
Thanks,
Ron
Ron Baker / WB4HFN
Check Out My Amateur Radi
All,
I just acquired an L7 but the plate cap parasitic coil assemblies are
missing.This is the copper loop with
resistors across the coil.I also need the planetary
drive for the plate tuningassemblyand the little red
pointer.
I am trying to
bring back this beauty to Drake original
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All,
I have rebuilt about a dozen L4B and L7 power supplies and have had good
success and signal reports using standard Mouser parts. For the high
voltage
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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All, you may recall my Drake Trivia Question #2 about three weeks ago.
There were four noticeable differences between the MS-3 and the MS-4
Speakers. What
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Decent Burial NEVER, it just has some minor cosmetic damage requiring a
little touch-up. If I win the auction, it will look like new when I get
done
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All, first I wanted to say thanks to all the hams that responded to my
trivia question. There was a great many responses, to make to answer each
one
All, I'm
setting up a series of Drake technical trivia questions. Some
may be tricky and may cause you to think twice. Here is the link to
the first question.
http://www.wb4hfn.com/Trivia/TriviaQuestion01.htm
Ron Baker / WB4HFN
Check Out My Amateur Radio
Website Vintage Drake
off the list to my e-mail address: [EMAIL PROTECTED]
Thanks,
Ron
Ron Baker / WB4HFN
Check Out My Amateur Radio
Website Vintage Drake
and Collins
http://www.wb4hfn.com
or ideas.
Ron Baker / WB4HFN
Check Out My Amateur Radio Website
Vintage Drake and Collins
http://www.wb4hfn.com
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Hello Paul, to answer your question on substitute tubes, there are no
substitutes for the 6JB6 tube. I know there are several like the 6KM6 and
I could
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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Floyd those rubber tips are made by 3M company and still available through
Mouser or Newark.Also, Donny Garrett sells them from his Drake website.
He
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Are you sure the L7 had chimney's for the 3-500Z. I have a later version
which did not have then because the rear mounted fan blew air directly
across
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All, regarding the coax contamination question, coming from the cable
industry I have learned that all coax cable has a certain life expectancy.
Small
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
All, I can speak from first hand experience that the Coleman dual lantern
globe will fit perfectly as the glass chimney in the L4B. It fits and works
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
--
Bob,, check out my Drake website, I have the entire manual on-line
http://www.wb4hfn.com/DRAKE/DrakeManuals/CS7/Manual_CS7.htm
73, Ron / WB4HFn
Ron Baker [EMAIL PROTECTED] made an utterance to the drakelist gang
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For a quiet fan, consider using a DC fan equivalent. Use a 12VDC fan if
you want full air flow. If you want air flow and a very quiet fan try
installing
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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I'm not sure if anyone has figured out or found a useful purpose for the
Drake TR7(A) Store Switch function.If anyone has it would be
interesting
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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All,does anyone have an L7 that has been parted out??? I'm looking to
both of the meters for a L7 project I'm working on. I'm interested
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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Bud, the pin diodes are a UM-9401 diode.I just purchased 6 of them
today from RF Parts at $5.95 each. I know for sure they have them in
stock.
73
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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All, I just recently purchased a L-7 amplifier. Now I've had the L-75 for
several years and I was accustom to having the blue filtering in front
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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My two cents worthI now step up on my soap-box.
I consider the Drake equipment as some of our history, ham radio heritage.
To tear apart
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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Joe, the original cost of the 4-NB noise blanker was not that expensive.
According to price lists published on my Drake website in 1975 the 4-NB was
$65.00
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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All, I have a really nice 2C Receiver that I'm bringing back to life.
Receives good, chassis looks great, but the front panel looks like a war
zone. Does
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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Jim, as I understood it they were on their way to South America and the
ship sank before it arrived. I've heard the quantity was more like 100
units
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
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Dave,
Drake started the TR5 production serial numbers at 1000. Any serial number
under 1000 was considered a prototype unit.
Ron / WB4HFN
Brian, the answers to all your questions can
be found on my Drake websitein the "Parts Pieces - Service
Repair" section. Here is the linkhttp://www.wb4hfn.com/DrakeParts.htmThere
are a couple of crystal manufacturers listed, John and Jeff arelisted
there for Drake repairs and the bulbs
Mike, if you want to take the eBay
route there is a nice looking TR5 and matching PS75 power supply listed
there. Current price is $149 with three days left.
Here is the link:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=5705128287ssPageName=STRK:MEWA:IT
73, Ron / WB4HFN
-
Ron Baker [EMAIL PROTECTED] made an utterence to the drakelist gang
--
George, checkout my Drake website, Under the section Parts, Pieces
Service there is a listing for very nice case screws.Here is the link.
http
Peter, I have been restoring vintage ham radio equipment (mostly Drake)
for several years and have revived many pieces. You may have seen some of
my work listed on eBay. Anyway, I learned while working for Motorola, 35
years past, how to really clean a radio chassis and that involves a good
Marty, the following data I took off my Drake website from the Drake Radio
Resale Pricing History section.
The L4B, tracking 22 sales ranged from a low of $611 to a high of $1125,
with a mean average of $703
The L7, tracking 18 sales ranged from a low of $650 to a high of $1563, with
a mean
Marty,
You can find the answer to your question on my Drake website, I have a
listing for cabinets in the Parts and Services section. Here is the link
directly to that vendor.
http://www.auctionworks.com/store/shop.asp?sfid=4474cmd=shopc=19935
73, Ron / WB4HFN
- Original Message -
The TR7 power connector are available from Newark and Mouser electronics and
only a few bucks each. I have information on my website where to purchase
most all the Cinch Jones plugs that Drake used.
Here is the link.
http://www.wb4hfn.com/DrakeArticles/TechTips/DrakeResources.htm
Just go down
Rick, that should read 12 pin plugs are available from in the first
line. My typing is all thumbs tonight.
Ron
- Original Message -
From: Ron Baker [EMAIL PROTECTED]
To: Rich Wilkerson [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Wednesday, March 03, 2004 10:29 PM
Subject: Re
I've been reading all the e-mail on ebay amusing items. Here is one I
just saw and as of this moment still has 5 hours before it expires. Listed
in the Drake section on ebay is a Drake logbook, opening bid $9.95, however
it also has a Buy It Now price of $149.99. At this point no one
All, the 4 pin power connectors are available fro three resources, Newark
and Mouser to start.On my Drake website I have a complete section on
available parts and pieces for the Drake equipment.Mark Gilger, WB0IQK,
has a nice article, found on the website, which among a lot of other
All, This is just a heads-up please be aware their appears to me to be a
scam using EBay to take your money. The scam appears like this: you
bid on a Drake item on EBay, then the scammer sends you an e-mail either
directly or thought he EBay e-mail option. The person indicates he has a
Mike, it sounds like you have a very early production of the AC3. The
first few AC3's built by Drake looked very different that the later ones
which more resembled the AC4. Listed below is a link to my Drake website
where I have pictures of this very early production.If your power supply
John see below in your original text the crystal frequencies I have listed.
Ron / WB4HFN
BTW: this crystal information is available on my Drake website
http://www.wb4hfn.com
- Original Message -
From: John_k7fd [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, November 21, 2003
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