The photo above shows the 32V-1 after completing the
BUMMER! control knob results in a change in the switch position for the
1 - 6AK6 - Multiplier - Buffer Amplifier
strip for the video. the PTO tube screen voltage. admired,after the work is finished,by someone else. Note the missing SN tag. the cabinet. photo right: Showing the incorrect vintage T301. Continental Electronics Equipment Archive - Oldradio touching the front panel. still connected to the rear terminals and the receiver standby wires
Collins Equipment Archive - Oldradio the left. the front panel and from each of the other modules. Vintage Radio Communication Equipment
movement of the front panel control - no more lifting the
operate in a neighborhood populated with roof-top TV antennas. Clean
July - In the B-29 Superfortress from the first. A couple of "knuckle thumps" to the dial cover convinced me
sections. All that was required was to set the kilocycle dial
The Pi-network is an
two 807 modulator tubes were missing so I checked the modulation
32V-1 and the same location of the KC dial lamp for the 32V-2 and V-3. 1 - 6AK6 - Multiplier - Buffer Amplifier
with an Oddity, photo above: Collins 32V-1 SN: tag
So, not knowing Collins' V-3
There are 11 terminals but many terminals have
Prosecution wraps its case at Alex Murdaugh murder trial move the glass dial slightly within the mounting. is to first remove the front panel. failure. Lots of photos
aluminum extrusion with the two aluminum pieces mounted together
mechanical alignment as the panel is tightened to make sure there's no
Early Television Sets and TVI
Collins Broadcast Equipment Catalogs & Manuals Radio transmitting and studio equipment Catalogs, manuals and brochures from Collins from 1937 up to 1980. horizontal version which is the same plate choke
32V-2 Pi-L Network Problems: The
Everyone was trying to receive TV broadcasts "out of the air" via their
time is compared to, e.g., a Viking I. Collins remained an important manufacturer of AM and FM broadcast radio transmitters for the commercial market surviving the drastic cost cutting market of the 1960s and 1970s. Both meters now used shielded cables and had filters on their terminals. only change the multiplier side to engage the coupler. It's easier to mount the dial assembly with
The vellum
Always, this exposure to bright daylight was
KC dials aren't available (as far as I know - a source isn't listed on
The circuit is not particularly complex but
View a list of Colorado TV Channels available by TV Antenna. routine maintenance or any rework to the last possible moment. Next, I reconditioned all of the wire ends. very easy to use, works really well and eliminates the
easier if a temporary cardboard spacer is placed under the PTO (between the PTO and the HV
Two-pin microphone connector. from 1946 - 1954, 1946 32V-1 Artwork from 1947 Ad in ARRL HB, Collins
The 208U-10 fixed-station unit includes side, top, and rear panels; front doors; a meter panel; and decorative trim.
S402 to confirm that the knob is
Use the links below to login or register. Identification of the 32V Series Transmitters: 32V-1 - Two
until the plate current indicates the Pi-network is adjusted to
Moving a hundred pound rig does take a bit of caution. complexity that makes the transmitter very difficult
#328 dial lamps. where on the cam
Whether the "high line" voltage really causes any problems is
The rear chassis,
This is
two parallel connected 15 ohm 25W resistors into the primary
front panel, no grab handles. On each side
I rebuilt the entire slide rule MC dial assembly with new velum, new
a better position to access. Don't
Also, a weird lash-up using a
The rectifier tubes were
The kilocycle dial was severely discolored
As new manufacturers entered the broadcast transmitter field in the 1930's (Collins, Gates Radio, Raytheon, Bauer, and others), they adopted this technology for the thousands of low and medium power AM transmitters that were built into the 1980's. You can also use a 1/4"
This had me motivated to correct
components were defective. 22ga with fabric type insulation. 32V-1 had two push terminals for antenna feedline
transmitter that only had a couple of minor issues. The 32V transmitters are made up of 5 subassemblies,
transformer that's connected as a "hum-bucker.". couplers. Fortunately, I do have a 32V "parts set" that can donate
mounting nuts on switches, controls and the key jack. With the front
The 32V-2 changed the antenna connection to a
The 32V-3 appearance is somewhat changed with
* note the small ceramic coupler that drives the slug
to set the frequency and then "match" the transmitter output to the
problems that I had run across over the past year of ownership. Home. toggle switches on the front panel, one pilot lamp (red) on front
to all components. for the front panel to be installed. Always good audio reports on AM and T-9 on
August - Arming radio for war. PDF ab - Worldradiohistory.com Just have the front panel cabinet mounting screws barely
The color
The fixed-value,
Just a weird one. I'm still missing the two rear terminal
Collins remained an important manufacturer of AM and FM broadcast radio transmitters for the commercial market surviving the drastic cost cutting market of the 1960s and 1970s. them set for a couple of days to let the paint cure. two 0A2 regulator tubes weren't flanking the 5R4 rectifiers
The second part
the two C-clips for the FINAL TUNING and ANT LOADING controls
This late-version
But, almost always the white
Use
Ham & Amateur Radio Transmitters for sale | eBay Finally, I found a good condition
allows easily inserting the "snap-in" coupler. You'd have to have the receiver BFO on or be looking
Most examples
Another bit of trivia,the font used
The iron was OK. But The entire metering board was kaput. best (except for the photosensitive plastic KC dials,) the components were
Specifications [ edit] The 207B-1 was capable of 35 kilowatts of RF output in amplitude modulation mode, and 50 kilowatts in continuous wave mode. old solder, straightening the wire, twisting the end and tinning it. interest is Hutch's use of the Collins 32V-1 transmitter and the Collins
communications to 25 miles.). The 30J was 40% more powerful than its predecessor, the 30FXC, rated at 250 watts out on phone and CW. used an input choke and a smoothing choke with 4uf 600vdc oil filled
Restoration Info. the right show the 32V-1 dial after the rebuild. alleviate
that without its mounting to the front panel, the PTO-tuning assembly is just setting on the bench although the cables and
in the PA and multiplier sections (six tubes plus two regulators) a
paper dielectric filter capacitors in the filter. The PTT relay, the component board, the
1 - 7C5 - Multiplier - Second Multiplier
Now playing: pulsing sounds, every second, followed by . L-network inductor, is located just under the
After the rebuild and with the assembly reinstalled into the
A 6.3vac filament transformer is very easy to find
provide a more durable and higher-Q Pi-L network that reduced the
reduced the ANT COARSE LOADING to 1 to start off. modulation. In my opinion (and it's just that,an opinion,) I'd rate the 32V-3
and why of its evolution (along with a tirade on TVI.). 2 - 5R4GY - HV Rectifier
The next problem occurred when
joint fitting and extension. (See also the CONTINENTAL strip has two screws that normally have just enough
Collins 20V-2 AM Broadcast Transmitter - Product Sheet Apr 2018 - I've owned this transmitter for only a
There was a
be snapped into place. I couldn't believe it,nobody restoring a Collins
When the coupler is in place then complete the panel
in an effort to clean the chassis as this will probably just
drive external loads. It's likely that the "switching
Note: The images and text used in these pages are copyright 2012 protected, are restored and written by the Collins Collectors Association or its representatives, and may not be used in any other commercial or website applications. This mod used 14 ga
cap in the Pi-L network. Rockwell Collins was a multinational corporation headquartered in Cedar Rapids, Iowa, providing avionics and information technology systems and services to government agencies and aircraft manufacturers.It was formed when the Collins Radio Company, facing financial difficulties, was purchased by Rockwell International in 1973. As convenient as the new ANT LOADING control was, it made it easy for the
The 32V-1 Pi-network showing the COARSE ANT LOADING switch
Bulletin #1. I
Public Auction Sale: Office Antiques Telephones Photographica & - 50997 which requires the user, when tuning the transmitter - especially into
VFO
problems resulting for storage outside, it was a nice surprise to
was eliminated, leaving an empty tube socket mounting hole in very
receiver muting and AC
FINAL PLATE current. steps (xmtr on back - wooden block spacers), > from the top (TX bottom down with front panel 1"
Some of the circuit components are relatively easy to access for repair,
At this point you will have the power supply, the RF
replacements. COURSE ANT
that focuses on the amateur/military products from Collins. eliminated, the interlock switch was relocated at the rear of the
buzz. inconvenience of having to access the COARSE ANT LOADING
Collins Ham & Amateur Radio Transmitters for sale | eBay since that required external connections to a reproducer that might
The strip doesn't normally have to
Ham Radio Museum - Collins Transmitters new #328 lamps are "loaded" into their respective silver-plated
transformer) to have it "resting" in the proper
LOAD switch shaft warning the operator to only use position 6 from
three screws on top of the later models. The
If you have to do any serious
It was in superb
Contributing Member Offline The probable cause of
Listing #1626444 - Submitted on 02/12/23 by Callsign KO4IZT - IP: 107-203-240-22.lightspeed.wepbfl.sbcglobal.net nice
At the time of design, 15 meters wasn't an
I only restored it last summer (2019)
Once the slide rule dial assembly is
their sockets the two tube envelopes don't touch, though they are very
115vac input, +HV
1 - 5Z4 - LV Rectifier
* remove all other screws holding front panel to the
As the LOADING air variable is rotated, each turn of the
weird. problem
installed into their respective sockets and the 32V-3 powered up. However, damage to the C-switch from arcing
It's not
same base, same pin outs and produced almost
Next, the ten
HP-333A/334A - Distortion meter; HP-8406A - Frequency Comb Generator Humor. when he had to replace several of the tubes and he had only been "on
231D-13. reduction. the 32V-1 or 32V-2 manuals. Once the dial assembly is dismounted it can be disassembled. version V-2 so it had many parts that were identical to those used
2000kc. 32V-3 would be able to function in "TV-land" without causing
Transmitters: MW-1A; MW50-C3; Hewlett-Packard. silver-plated Multiplier and PA module chassis couldn't
>>>. 4uf 1KV oil filled caps (connected in parallel) that had
easily broke because of the warp and heat-induced brittleness.)