Hallicrafters SX-101 Ham Band Receiver
Covers amateur bands 160-10 meters. 1950's technology it
offers AM / CW / SSB operation. Double conversion with the
first IF at 1650 kHz. Second IF at 50.75 kHz. LC filtering
provides selectivity for CW, AM or SSB operation. Both upper
and lower sideband operation. Contains 14 vacuum tubes in
its circuits. Includes Hallicrafters SX-101 manual.
Size: 10.5"h x 20.0"w x 16.0"d. Approx.
Weight: 75 lbs
The receiver is clean and in good operating condition.
I cannot say to what extent it still meets the original
manufacturing specs but the owner used it on the air matched
with the Hallicrafters HT-32A transmitter (sold separately
below) so it is presumed to be in good operating condition.
The only cosmetic issues are as described here by the person
in possession of the unit. "There is something behind
the glass on the right side. Not sure what it is but it
can be removed if taken apart. Looks like a piece of felt
with dust on it but not sure. Some dust on the left side.
Also the black paint on the ledge above the dial is worn
and there is some roughness in the paint. There is a little
bare metal shinning through." This relates to the edge
of the panel bezel around the slide-rule dial on the edge
of that below the dial and to the right of the tuning knob.
It sounds like it could be cleaned up and if it is a roughness,
carefully filed or sanded to restore the smoothness of the
edge and then repainted. For a rig this old, that is a small
matter, especially considering that it is in good enough
condition to use as a vintage functional "boat anchor"
rig on the air. I'll bet it sounds great on AM. It looks
to have all of the original knobs and switches and all of
the control labeling looks to be in good condition.
The back panel picture shows a little wear but everything
appears to be intact and original. I don't see the original
paper labels which would be on the lower chassis panel to
the far right but it might be hard to expect them to still
be present after all these years. Please note, this is the
SX-101, not the SX-101A. The "A" was a
later version and that one did not have 160 meters. The
one offered here does have 160 meters. The SX-101 sold for
$395.00 and was introduced in 1956.
Sold for: $225.00
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Hallicrafters HT-32A Ham Band Transmitter Ham
band transmitter 80-10 meter SSB, AM, and CW. 100 watts
power output. Includes Hallicrafters HT-32A manual.
Bands: 80 - 10 Meters (full bandswitching)
Input Power: 144W PEP-SSB
Output Power: 70-100W-SSB, CW; 17-25W-AM
Power Supply: Internal
Final Tube(s): 2ea. 6146
SSB Method: Crystal Filter (4.95 MHz)
New Price/Year: $695/1959-1961
Size: 10.5"h x 20.0"w x 16.0"d
Approx. Weight: 85 lbs
This one looks perfectly clean on the front and the back
panel looks good and original. The only issue I see is the
power cord should be replaced as it looks to have been splice
repaired by the owner. The transmitter is operable and was
used by the owner along with the Hallicrafters SX-101 receiver
(sold separately above) as a complete on the air station.
The actual current power output of the transmitter listed
for sale is not known. As the transmitter was actively used
on the air, there is a high probability that the power output
capability is per spec. NOTE: Proof of a current ham
radio license is requried to buy this item.
Sold for: $250.00
Hallicrafters TO Keyer HA-1 Vacuum
tube keyer. Vintage keyer used with vintage radios (good
for cathode keyed transmitters) and with a key such as a
Vibroplex Vibrokeyer paddle or similar, it can be a lot
of fun. It really will not do well with modern iambic keys.
These early keyers did not have dot and dash memory but
for the basics of keying vintage rigs, that does not matter.
This would go well both operationally and aesthetically
with the Hallicrafters transmitter and receiver also offered
for sale on this page. Electronic morse code keyer, forms
perfect code characters and mark space ratios at any speed
from 10 to 65 words per minute, include built in tone generator
and speaker. Price when it was introduced (1960) $80.00.
Comes with manual.
Size: 7 x 5.6 x 7.8 inch / 178 x 142 x 198 mm Weight: 9.912
Sold for: $50.00
Alpha Model 87A HF Linear Amplifier
Legal limit HF self contained linear amplifier. Power
output 1500 watts PEP keyed CW or continuoous carrier. Drive
power, 50 - 55 watts typical for full power output. Automatic
(microprocessor controlled) band switching and automatic
tuning. Comes with manual.
Band Change & Tuning: Automatic under microprocessor
control; average time required for complete band change
and tune-up, <1 second. No special cables or connections
Frequency Coverage: All amateur bands 1.8-29.7 MHz*
plus most non-amateur frequencies 6.0-19.0 MHz and 20-30
Power Output: 1500 watts PEP, keyed CW, or continuous
carrier, no time limit. Auxiliary cooling fan (optional)
recommended for very high duty cycle continuous operation
i.e. contesting & RTTY.
Drive Power: Typically 50 to 55 watts for full rated
Input VSWR: < 1.5:1 within amateur bands; <
Tube Complement: Two Eimac 3CX800A7 triodes in grounded
T/R System: Heavy-duty PIN diode switch capable of
feed through and hot switching of 150W exciter power. Switching
time approximately 1ms. Enclosed mechanical bypass relay.
ALC: Grid-current-derived, -10V maximum, adjustable
Harmonic Output: Better than 50 dB below rated output.
Intermodulation: Better than 35 dB below rated output.
Fault Protection: Plate current, grid current, load
VSWR, T/R sequencing, gain (i.e., severe mistune or RF arc),
overdrive, open heater, over temperature, others.
Displays: LED bar graphs for peak Pout, Prefl &
Ig, and switched bar graph for Ip, HV, and Tune indicator.
Cooling: Full cabinet ducted air, rear intake/top
exhaust. Floating blower mount for quietest operation.
Primary Power: 190-250V (200, 220, 240V nominal taps),
50-60 Hz, single phase; fused 20A.
Size & Weight: 17.3 W x 7H x 16.5
D (439 x 178 x 419 mm) excluding controls, feet, and connectors.
75 lb. (34kg) net.
The Alpha 87A ships in two heavy-duty carboard cartons.
One contains the transformer and weighs 43 pounds; the second
contains the amplifier and weighs 42 pounds. The amplifier
cannot safely be shipped with the transformer installed
within the amplifier. After the sale, the transformer will
be removed from the amplifer by the seller and packed for
shipping in a seprate box from the amplifer itself. The
buyer will need to reinstall the transformer. Instructions
on how to do this are contained in the User's Manual. A
copy of the User's Manual is available here for downloading.
NOTE: The weights listed in this section are shipping weight.
Here to download "The Alpha 87A User's Manual" NOTE:
Proof of a current ham radio license is requried to buy
Sold for: $2,700.00
Ameritron AL-800H HF Linear Amplifier The
AL-800H uses a pair of 3CX800A7 tubes to easily provide
1500 Watts PEP/CW with a typical drive level of just 55
Watts. The AL-800H draws 14 Amps peak current at 240 VAC
(1500 Watts CW output) and weighs just 52 lbs. Dimensions:
14.25" x 8.5" x 14.5" The seller informed
me that one of the meter lights is not working but he did
not say which one. I understand them to be easy enough to
replace and it may simply be a loose bulb. The seller is
not a technical person and is not able to open the unit
to examine that item further. Comes with manual.
Output Power: 1500 Watts PEP, double 3CX800A7
All band operation: 160-15 meters including WARC
User modifiable for 12 and 10 meters.
Genuine Eimac tubes: Two Eimac 3CX800A7.
Tuned input circuit: Adjustable slug tuned input
Output network: Pi/Pi-L gives you smooth tuning and
wide matching range.
Tube protection: Grid current limiting circuit protects
ALC control: Front panel adjustable, true ALC control.
Vernier Reduction drives: Tuning and loading reduction
drives make adjustments smooth and easy.
Heavy Duty power supply: Uses 32 lb. grain orientate
silicon steel core transformer and high capacitance computer
grade filter capacitors.
Multi-voltage operation: 14 user selectable AC line
voltage from 90 - 140 VAC; 200-250 VAC.
Air cooled: Quiet pressurized ventilation keeps tubes
Dual illuminated cross-needle meters: Two cross-needle
meters that read peak forward power, reflected power, SWR,
high voltage, grid current and plate current.
Step-Start Inrush Protection: Stops damage to your
amplifier from inrush current.
Compact Desktop Size
The Ameritron AL-800H will ship with the tubes removed
and packed in a seperate shipping box. The buyer will need
to reinstall them upon receipt. Shipping weight: 60 pounds.
NOTE: Proof of a current ham radio license is requried to
buy this item.
Sold for: $1,550.00
Ameritron ATR-30 Antenna Tuner Antenna
tuner. Looks like new. Frequency range: 1.8 - 30 MHz. Comes
with manual. Sells new for $599.00 so this is a great way
to obtain a top level tuner for close to half the price
of a new one.
Handles 1500 watts carrier. Maximum power rating:
3000 watts SSB.
Super high Current edge wound silver plated Roller
500 pf tuning capacitors with 6:1 vernier reduction
3 core choke balun
6 position antenna switch
True peak reading meter
Tuner Width: 13.000 in. Height: 5.750 in.
Depth: 14.250 in. Weight: 17 lbs.
Sold for: $225.00
Astron RS-35M Power Supply DC Supply 13.6vdc
20 amps with illuminated voltage and current Meters
* Output Voltage: 13.8 VDC (+/- 0.05 V) Internally Adjustable
(11-15 V). Does not have a manual with it.
* Continuous Amperage Output 25 Amps
* ICS (Surge) Amperage Output 35 Amps
* Solid State Electronically Regulated
* Fold-Back Current Limiting- Protects Power Supply from
Excessive Current & Continuous Shorted Output
* Ripple Less than 5 mV Peak to Peak Full Load and Low Line
* Maintain Regulation & Low Ripple at Low Line Input
* Three Conductor Power Cord
* One Year Warranty- Made in USA
* Dimensions : 5" (H) x 11" (W) x 11" (D)
* Shipping Weight : 25 Lbs
At my own station I have an Astron power supply powering
my HF rig. Mine is a different model from this one but other
than a few minor differences between mine and this one being
offered it's the same Astron performance and reliability.
There is one thing I have discovered from owning Astron
power supplies, though they may last for years without a
failure, in the event that you do have a failure, the components
inside are all "off the shelf" readily available.
They use common components, bridge rectifier, transistors,
etc., which you can actually get yourself and they're easy
to repair. No odball propriatory and impossible to find
The power supply works. The meter lights do not appear
to be working.. The power on switch works and lights and
the volt meter registers the proper output voltage. At the
time of testing by the seller, no load was connected to
the supply so the current meter does not show any current
S/H $35.00. Seller: dc
MFJ-249 HF/VHF SWR Analyzer Covers
1.8 to 170 MHz. Measures SWR, antenna resonant frequency,
impedance and other parameters needed for tuning any HF
antenna. Can be powered by an external power adapter. Comes
with the manual.
By far the best tool for analyzing and tunning antenna
systems. I have the MFJ-259B version of this analyzer. The
newer versions add a second meter to display impedance and
a few other features. Nice to have but their lack does not
diminish the usefulness of this model to help you get that
antenna tuned. For that, it does its job.
A common way to measure the SWR or bandwidth and resonant
frequency of an antenna is to transmit a signal into the antenna.
The resulting SWR can be measured. To determine the resonant
frequency and resonance bandwidth of the antenna sample transmissions
must be made at various points from one end of the band to
the other and the resulting SWR response used to determine
the desired performance. There are two problems with this
method. For one thing, it creates undesirable on the air interferene
and may actually result in illegal operation. Secondly, if
an antenna is severely out of resonance (a new antenna or
one modified, for example) and it will be impossible to determine
where the antenna resonant point actually is. It may be considerably
above or below the desired band. The MFJ analyser takes care
of both problems avoiding on the air interference and also
detecting the resonance of the antenna even if that is outside
of the desired amateur band. It can also act as a frequency
Sold for: $75.00
MFJ MFJ-484B Grandmaster Memory Keyer
This memory keyer has four memories. I have never used
a memory keyer so I can't offer any comments on them. For
a contest operator, or DX operator, I can see how they can
be handy as they store repetitive strings of CW which elminates
the need to keep keying the same thing over and over. This
model is no longer in production by MFJ. Comes with manual.
Sold for: $50.00
MFJ Microphone/TNC Switch MFJ-1272 BX for
PK232 Switch between microphone and TNC (for
PK232 TNC sold seperately here). You wont have to unplug
the microphone and plug in your TNC every time you want
to work packet or other data modes. Just plug this pre-wired
cable switch box into your rigs microphone connector and
into your TNC and youre ready-to-go -- no more hunting for
hard-to-find connectors and wiring up complicated cables.
Microphone shown in the picture will be included. If the
mic is not needed at your station at least the connector
can be used on your own mic choice. Does not have the manual.
S/H $20.00. Seller: dc
AEA Packratt 232 PK232
data controller. Morse code, Baudot RTTY, ASCII, AMTOR and
Packet. Two radio ports are featured on the back panel and
there is easy HF/VHF radio selection switching on the front
panel. The PK-232 makes any RS-232 compatible computer a digital
operating system. Only a simple terminal emulation program
is required to interface to the PK-232 to your PC. This device
features dual polarity FSK and CW keying and PTT outputs.
Requires 12 VDC at 700 ma. Three AA cells are required for
memory backup. 11 x 2.5 x 8.25 inches.. Kenwood transceiver
in the picture sold seperately on a following page. Comes
S/H $20.00. Seller: dc
Microphone/TNC Switch MFJ-1272 BX for PK232 and AEA Packratt
232 PK232 can be purchased togther for a price savings..
S/H $30.00. Seller: dc Make
Vibroplex Champion Semi-Automatic
CW Key (Bug) Vintage Vibroplex "Bug"
CW key. This is from The Champion series which was manufactured
between 1939-79. The key is in good operating condition and
is not missing any of its hardware or components. Normal wear
for a key of this age. I have requested the serial number
from the seller and when I receive that I will add it here.
From the look of the hardware (particularly the domed knurled
nuts on the terminal posts and compared to those reported
to be within the vintage, I think this dates from the 1940's
A little cleaning and adjusting will make this a great working
bug. Ideal for using with vintage "boat anchor"
rigs, it can be used on modern radios as well. The sound of
the keying characteristics of a bug are unique and are unmistakable
when heard on the air. Use this one on the air or simply make
it a valued addition to your key collection.
Serial number of the key is 209405. That puts the year of
manfacturer of this key at 1959.
Sold for: $110.00
Bencher BY-1 Iambic Paddle Key This Bencher BY-1
is exactly like the one on my radio desk. I've used mine for
many years and love it. The one offered here is in excellent
condition. Chrome is shiny and clean. The black crinkle finish
base looks like new. The clear plastic paddles do as well. It's
interesting that these keys are often listed on the auction
site as "vintage", obviously by sellers who do not
know that the BY-1 is in current production. New ones are priced
at over $100.00. You can have this one for about half that and
it is in excellent condition. Comes with the manual.
Sold for: $55.00
Vibroplex Vibrokeyer Standard Key
Non-iambic single-lever keyer. The single lever paddle initiates
the automatic dots and dashes with the same motion used to operate
the "Bug." The code speed with the Vibrokeyer depends
upon the particular electronic keyer with which it is operated.
And, you get the same crisp operation at 5 words per minute
as you do at 50+ wpm. This key is in good condition and has
been in regular use by the owner. The only thing of note is
that the original main screw in the yoke (that massive main
part of the frame which straddles the lever) apparently was
lost and it has been replaced with a standard hardware store
variety screw. If this were mine I'd try to come up with a screw
which is more appropriate in appearance to match the key. It's
obvious that the replacement screw serves its purpose though.
Actually, that screw and the appropriate hardware with it are
available from Vibroplex. The chrome looks good as does the
base crinkle finish paint and the handles.
Sold for: $50.00
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Dan W. Dooley