Surplus Parts & Equipment

Dr Alex UR4LL has quite a few Russian electronics parts and some equipment for sale. The list is updated periodically, and some items have pictures (click on links for details and/or pictures of each item); (Email UR4LL for details). If your email program does not pick up the "drgavva" email link, his address is "drgavva" followed by "@" and "gmail.com". Alternate email address is "ur4ll@gmx.com".

It is also possible to contact Dr Alex via Skype, address: alexgavva

The most popular QRO words in Russian and their translation you can find here

NOTE:
For Russian bipolar transistors , FETs, ICs, etc, contact UR4LL directly with your inquiry.

NEW ITEMS

TRIODES

GS35B1500+W thru 432 MHz new in box
GS35B in mm
$120
Essential Parts for GS35B Socket from industrial PA
You can see designs with GS35B: #1, #2, #3, #4, #5, #6
The most concentrated info about GS35b
$45
Coaxial resonator PA for GS35b.
OK for 432MHz,minimal hours in use, perfect shape. Schematic available. Weight without tube 20kg.
Price without tube $250 shipped to Europe and $280 shipped to USA.
GS31B Almost identical to GS-35B except 1KW anode instead of 1.5KW, and designed for almost TWICE the tube life 1200W out thru 432 MHz. Original factory package.
(NOTE from ND2X: Two GS-31B triodes will outperform a pair of 3CX800's at less than 20% of the cost).
NOTE: All GS35b schematics are OK for GS31b.
$100
GS9B300W on HF to 432MHz, >100 W on 13cm (K9EK cavity design)
$10 without cooler, $15 with cooler
GI7B & GI7BT 300-400W, HF to 300MHz; 250W thru 23cm)
$25
$15 per pair
$25
$30 per pair
$30
Copper doubled SOCKET for GI7B Made from 5mm copper plate
$25
$25
not for sale, easy to build
GI70B & GI70BT
Absolutely same as GI7B and GI7BT only without coolers.
Can be used as a spare tubes.
$20
GI6B identical to GI7B except rated to 1300MHz instead of 3GHz; use same as GI7B
$20
GU5B 2.5kW triode (3.5kW on HF)
Two GU5B Power Amplifier and its HV PS
$110
GU48 kW glass triode. OK for HF and for audio as well. It is exact copy of Svetlana 833a Triode
SOLD
$50
GI-46b without cooler
Some designs with GI46b including 3-500z substitution: #1 , #2, #3 , #4, #5 , #6.
$35
SOLD
$20 per pair

TETRODES

GMI-11 compact tetrode - low height 500W tetrode - tube
NOTE: its socket - $15
800 W PA with 2 GMI-11 w/o anode transformer and its
PS
$75
813
It run 1kW without cooling and the associated blower noise.
$35
sockets
It run 1kW without cooling and the associated blower noise.
$15
6P45SSweep Tube - $17, Socket - $2.
Similar to PL519 except the heater voltage is 6.3V. SK509 SOCKET - $2
GS3b 2.5kW Tetrode OK for HF,VHF, SHF
$100
GS15B 500+ W on 23 cm in KD5FZX PA design - $10.
Socket - $15.
HF Socket - $20.
NOTE: GS15B also runs 400 W on HV and 6m.
GS23B
1.5KW on 70cm; N7ART, KD5FZX, K5GW
PAs (same as 4CX1600U; similar to YL1050)
NOTE: GS23B also runs 2 kW on HV and 6m.
$100
Coaxial resonator 432MHz PA for GS23B.
Price without tube
432MHz KW amplifiers with this resonator: built by SM6FHZ , built by PC5M
$250
GS36B (4CX400A) - $65ea; Is direct plug-in on/to 4cx150 to 4cx400 family. Ken, KM3F runs 600W with a single GS36b on 6m.
Read Ken's message
Socket for GS36b - $20.
GU29 dual beam tetrode$10, socket $5
This is a small glass tetrodes widely used in Eastern Eu for building 100W PA; roughly equivalent to SRS4451, QQE06/40, RS1009, 5894, CV2797, 829B - US made.
See description simple Russian 400 W anode multiplier PA with 4 GU29.
GU34B
Tube is NIB, passed military control. Works up to 250 MHz, Ua max 2.5kV. Base similar to GU43b. It will do 1KW on HF with no problem. Sometimes it works better than GU74b.
GU34B PA with original socket
GU-34b original socket - $55
GU-34b small socket - SOLD
GU-34b metal socket and its top view - $60
NOTE: GU34B is able to work without any air cooling up to 350mA with plate voltage 2kV

Schematics with GU-34b are available at:
1) 900 W PA
2) 1 kW PA
GU35B
Good through 250 MHz,Anode dissipation rating 3.5kW, Ua max 5kV.
It's easy to build a socket for this tube: GU35B basement - Note that the central pin is Grid 1.
SOLD
GU39B-1
8kW AIR cooled Tetrode
GU39B-1 Datasheet
$250
GU43B
NOTE: OK for HF-6m, similar to 4CX1600; 1600 W up to 100 MHz.
Orginal GU43b socket - $80
Small GU43b socket - SOLD
$65
GU74b 250MHz (4CX800a exact quality copy made by Svetlana) tetrode Tube
$150
GU-74B socket with anode clamp
$60
GU-74B socket similar to above without anode clamp
$30
SK1a Socket for GU-74B
$30
SK620 Socket OK for GU-74B
$25
GU78B Tube
$400
Socket for GU78B tetrode
$120

PENTODES

GU46 pentode (exclusively linear tube)
800-1000W, similar to 4-1000A or QB5/1750
See picture of power amplifier with this tube.
$60
GK71 Pentode - $30
sockets - $15
Two of these tubes run 1kW without cooling & associated blower noise. Equivalent to 471 (or RS-471?).
See schematics #1, #2, #3, #4,
GU50 pentode (analog of German LS50) - $10
socket - $7
250W HF Amplifier Kit with 3xGU50 Includes box,sockets,new tubes, band switch,2 air var capacitors,meter, RF connectors and other parts - easy to begin and complete. Box size is 32x10x25cm(HxWxD). $100.
GU81M - $55, socket - $35
Two of these tubes run 3kW without cooling and the associated blower noise. It is possibly to undress tube for its height reducing.
See schematic.
2Zh27L Widely used pentode for Russian military receivers
$3

AUDIO TUBES

GM-70 Audio triode. Equal to RCA845
$40
GU48 kW glass triode. OK for HF and for audio as well. It is exact copy of Svetlana 833a Triode
SOLD
6C33C audio triode - ( 6S33S)
$20
6N1P double triode. Equal to E88LC,6DJ8,6922
$2
6N2P-EB double triode. Equal to RCA 12AX7
$3

SOCKETS

$45
Copper doubled SOCKET for GI7B Made from 5mm copper plate
The simplest socket for GI7B - not for sale, how to build.
$25
$20 per pair
SK1a Socket for GU-74B
$30
GU-74B socket with anode clamp
$60
GU-74B socket similar to above without anode clamp
$30
Socket for GU78B tetrode
$140
SK1a Socket for GU-74B
$30
SK620 Socket OK for GU-74B
$25
SK620 Socket OK for GU-74B
$20

MISCELLANEOUS

Neon TH20 and TH30 bulbs - the best RF indicator
$2
Thyratron TGI 1-1000/25, 1000A@25kV
(A thyratron is a type of gas filled tube used as a high energy electrical switch and controlled rectifier)
$40
RF Probe Use with RF transformers
$3

TURBINES

$30
Radial Blower   360 qubical meter /hour
$25

MICROPHONES

New Motorola CMN6164C and MDRMN4025b Microphones - well built, excellent audio
You can see how to use MDRMN4025b with amateur tranceiver: #1
$20
Dynamic Russian stand microphone MD-380A New in box. Provides excellent audio quality with any tranceiver.
$15
Mike with Phones for Russian military stations never used ( for R107m and similar)
$15

TURNS COUNTERS

Compact Turns counters (40, 23,18,13 turns) OK for vac var capacitors and inductors -$25( 40&23 turns), $20 (18 turns), $15 (13 turns)
Turns counter (40 turns) OK for vac var capacitors and inductor
$30

TRX ACCESSORIES

RF TRANSFORMERS

Large RF Transformer 1-30MHz, up to 4kW
$55

HEATER TRANSFORMERS

TH36, 30W, 220-240/110-127V prim, secondary 4x6.3V@1.38A
Similar to TH-36, but more compact and easy.
$20

METERS

Size 60x60mm meters requires 50mm diameter wall hole:
1A - $15 each
100mA-0-100mA - $15 each
20A - $20 with bypass
50A - $20 wuth bypass

POWER SUPPLIES

RELAYS

High quality aviation use relays OK for 1kW and more HF finals.
NOTE:Single units are also available, $15 each
See picture of these relays in GU84B PA. See another picture with these relays
In kW PA with 2xGK71
$70 per 5 pcs
RF Relay >1000 W (for HF) open-frame relay, 24-27VDC coil (use for HV, e.g. 3kV 2A is no problem; NOTE: 20A at 30 MHz )
$15
Plate with two installed
SOLD
RF Relay: Small size open frame relays (OK for GU74b); It is possible to use these relays for Pi circuits with 1 kW and more.
See picture these relays used in 1 kW PA
$15
RF Relay: Open frame 2 position relays. Using a pair of these relays it is possibly to build 5 bands switcher for Pi-circuit. It has neutral position if it is tongue directed to down, I kW it is not a problem for it. Russians call it "tongue of my mother-in-law"
This relay with 1 pole connectorExcellent as High Voltage switch- $10
$15
REW-14 1500 W (thru 650 MHz) 50 ohm coaxial relay with 3 cable connectors
REW-14 relays are widely used at Germany club station DR9A for switching their numerous antennas.
No failures during many years with power up to 3 kW
$45
$5ea
$4ea
REW-15 1500 W (thru 650 MHz) 75 ohm coaxial relay with 3 cable connectors
Seewriteup for notes on using this relay in 50 ohm PAs, especiallyHF and 6M - no sweat!!
Are able to work up to 3 kW similar to REW-14 (See note above)
$23
3kW Antenna Switch with 6 REW-15 relays without cable connectors.Front panel of this switch
REW15 connector CP-75-167 - OK for 10-14mm OD cables
$3ea
REW15 connector #3 - with teflon cable
$5ea
REW15 connector #4 For small diam cables,5-9mm OD
$4ea
REW16 1000W on HF (500W thru 1000 MHz - usable at 1296MHz) 50 ohm coaxial relay with 3 cable connectors ( OK for RG-213)
$35
REW16 connector #4 For small diam cables, 4mm OD and less
$4ea
REW16 connector #5 - with cable ( up to1m long)
$6ea
REW17 75 ohm relay, works up to 23cm
$15
Russian SPDT P1W-1 relay OK for up to 5kW, 24VDC coil.
$55
Russian SPDT P1D-1W relay OK for 500W-1.5kW, 24VDC coil. Works up to 72MHz
$25
Siemens VR412 5kW SPDT relay 24VDC coil, Made in Germany
$55
Siemens VR311 2kW SPDT relay 24VDC coil, Made in Germany
$35
B1B Vacuum Relay, 3KV, 10A at 30 MHz
$20 each
B2B Vacuum Relay, 4KV, 15A - 4kV@15A relay @ 30 MHz, 5.5kV@35A relay @ 3Mhz. Its coil is 24VDC
B2B Relay in HF Power Amplifier
$30 each
HV 2-3 kV@1-2A RelayOn plastic plate
$12
RPA12 polarized RF relay; input circuits of HF PA with 80-100W or more, 30-40W up to 150 MHz - 13 VDC coil models -$5 and 27VDC coil models- $4

AMPLIFIERS & KITS

200W HF Amplifier Kit with 3xGU50 Includes box,sockets,new tubes, band switch,2 air var capacitors,meter, RF connectors and other parts - easy to begin and complete. Box size is 32x10x25cm(HxWxD).
Rear view
Its description with schematics.It is in Russian, all essential info will be translated.
$100
GS35b 1-1.5kW Amplifier Kit Excellent for the first kW PA. Easy to build, very stable. GS35b will forgive all mistakes. Most of RF parts are available.
Kit for Coaxial resonator 432 MHz PA with GS35b triode. OK for 400-1500W, minimal hours in use, perfect shape. Weight without tube 20kg. Price without tube $250 shipped to Europe and $280 shipped to USA. GS35b triode, Zenners, heater transformer, compact turbine are available.
Its original schematic - It is PA unit from R-410 Russian station
Its schematic with Zenner mod - Plate voltage 3-4kV is OK
GS35b triode - New in box - $120
$20( without sk1a)
Coaxial resonator 432MHz PA for GS23B. Price without tube SOLD.
432MHz KW amplifiers with this resonator: built by SM6FHZ , built by PC5M

NON-INDUCTIVE RESISTORS

Five 50 Ohm 10W non-inductive resistors on a plate
(Using 5 plates it is possibly to easy build 50ohm 250W dummy load.)
$10
17 Ohm 25W non-inductive
NOTE: Using 3 of them is easy to build 75W 50ohm dummy load
$2 each
17 Ohm 100W non-inductive Use 3 of them is easy to build 50ohm 300W dummy load.
$4 each

INDUCTIVE RESISTORS

10 Ohm 10W
$2
10 Ohm 25W
$3
20 Ohm 3W
$2
$15 per pair
20 Ohm 150W
$12
51 Ohm 75W
$7
100 Ohm 100W
$10
180 Ohm 100W
$10
5.1kOhm 50W
$5
Big power inductive wire resistors are possible according to your request

INSULATORS

Big Antenna Insulator. Length - 70mm, hole -10mm diam
$5 each
Ceramic Antenna Insulator: Front / Back
$6 each
$8 each - Good for high power.
Antenna Insulators - Ceramic (pictured top, $1 each, pictured bottom, $1.50 each)

CAPACITORS

HV Capacitors for Rectifiers:
100 microFarad, 3KV Oil-filled
10x15x18 cm size,18 cm is height with electrodes
$SOLD
40 microFarad, 5KV Oil-filled
10.5x17x21 cm size,21 cm is height with electrodes
SOLD

K15U-1 door knob type

1 pF 10kV 6 kVar
$3
1.5 pF 6kV 5 kVar
$2
2.2 pF 6kV 5 kVar
$2
3.3 pF 6kV 5 kVar
$2
4.7 pF 3.5kV 4 kVar
$2
4.7 pF 6kV 7kVar
$3
6.8 pF 3.5kV 6 kVar
$3
6.8 pF 10kV
$3
10 pF 3.5kV
$2
10 pF 6kV
$3
10 pF 10kV 8kVar
$4
10 pF 25kV 50kVar
$10
15 pF 3.5kV 4 kVar
$2
15 pF 6kV 7 kVar
$3
15 pF 10kV 8kVar
$3
15 pF 15kV 35kVar
$6
18 pF 3.5kV 4 kVar
$2
18 pF 6kV 5 kVar
$3
18 pF 10kV 8kVar
$4
22 pF 3.5kV 4kVar
$2
22 pF 6kV 5kVar
$3
22 pF 10kV 8kVar
$4
22 pF 10kV 40kVar
$5
27 pF 3.5kV
$2
27 pF 6kV 5kVar
$3
27 pF 10kV 8kVar
$4
33 pF 3.5kV
$2
33 pF 6kV
$2
33 pF 10kV 8kVar
$4
33 pF 10kV 40kVar
$6
33 pF 25kV 125kVar
$12
39 pF 3.5kV 4 kVar
$2
39 pF 6kV 7kVar
$3
47 pF 3.5kV
$2
47 pF 6kV 7kVar
$3
47 pF 6kV 30 kVar
$5
47 pF 10kV 8kVar
$4
47 pF 25kV 160 kVar
$15
56 pF 3.5kV
$2
56 pF 6kV 7kVar
$3
56 pF 10kV 8kVar
SOLD
68 pF 3.5kV
$2
68 pF 6kV 7kVar
$3
68 pF 10kV 8kVar
SOLD
68 pF 15kV 14kVar
SOLD
100 pF 3.5kV 4kVar
$2
100 pF 6kV 7kVar
$5
100 pF 10kV 9KVAR
$6
100 pF 15kV 15KVAR
SOLD
100 pF 20kV 15KVAR
SOLD
100 pF 20kV 25KVAR
SOLD
150 pF3,5kV 6KVAR
$3
150 pF 6kV 7KVAR
$5
150 pF 10kV 9KVAR
$8
150 pF 20kV 30KVAR
$7
220 pF 3.5kV/8KVAR
$3
220 pF 10kV 16KVAR
SOLD
220 pF 15kV 25KVAR
$7
330 pF 3.5kV 8KVAR
$4
330 pF 4kV 15KVAR
$5
330 pF 6kV/20KVAR
$6
330 pF15kV/30KVAR
$7
470 pF 4kV/20KVAR
$6
470 pF 6kV 25 kVar
SOLD
470 pF 15kV/40KVAR
$8
1000 pF 4kV/30KVAR
$6
1000 pF 6kV/40KVAR
$8
1500 pF 15kV
$15
1500 pF 15kV/90KVAR
SOLD

K15U-2 Capacitors

150 pF 10 kV 75 kVar
$10

KVI-1 RF Capacitors

4.7 pF 10KV
$1
6.8 pF 10KV
$1
10 pF 10KV
$1
$3 per pair
$3 per pair

KVI-3 door knob type

K15-5 Disk Ceramic

470 pF 3kV
$0.25
1000 pF 6.3 kV
$1
2200 pF 3kV
$0.5
2200 pF 6.3kV
$1
3300pF 3kV
$0.50
4700 pF 1.6kV
$0.30
4700pF 3kV
$0.50
6800 pF 1.6 kV
$0.50
10.000 pF 1.6kV
$0.50
15.000 pF 3kV
$1

Mica capacitors

KSO-8 2000 pF 2,5 kV
$2
KSO-8 10 000 pF 1 kV
$2

Teflon capacitors

Ceramic trimmers

Vacuum capacitors

25pF 10kV
$10
25pF 15kV
$11
30pF 15kV
$11
50pF 15kV
$12
50pF 20kV Made in UK
$13
100pF 25kV
$12
100pF 20kV Made in UK
$15
150pF 15kV
$13
250pF 15kV
$14

Vacuum Variable capacitors

3-50 pF 25 KV 50A max dia. 75mm, max len. 179mm (with shaft)
$55
4-100 pF 5 KV 35A Compact vac var capacitor 4-100pF 5kV
$80
5-100 pF 25 KV 50 A max dia. 87mm, max len. 191mm (with shaft)
$85
5-250pF 5KV 35A max dia. 70mm, max len. 156mm (incl shaft)
$120
7.5-350pF 10kV 50A max dia. 100mm, max len. 249mm (with shaft)
$130
10-500 pF 10 KV 50A max dia. 115mm, max len. 254mm (with shaft)
$135
15-750pF 5KV 35A max dia. 108mm, max len. 200mm (incl shaft)
(measured capacity is 10-780pF)
$130
20-1000pF 10KV 50A max dia. 145mm, max len. 278mm (incl shaft)
$140
10-1200pF 4KV 75A max dia. 96mm, max len. 200mm
without turns counter and mounting hardware.

Its turns counter -$15, mounting hardware -SOLD
$135
7kW PA with this capacitor Aldo, IU8AIB uses 7300V plate voltage in it
Compact Turns counters (18,13 turns) OK for vac var capacitors and inductors
$20 (18 turns), $15 (13 turns)
Turns counter (40 turns). OK for vac var capacitors and inductors
$30
10cm long Teflon Shaft extender OK for 12mm diam shaft
$10

Air Variable capacitors

Hi-quality (ceramic, bearings) 4X500pF with reducer.
Widely used in Russian HF PA designs
$45
$15
12-205 pF Air variable - wide spaced, solid construction
$25

KNOBS

SWITCHES

11 position, ceramic: 1 wafer - $3; 2 wafer - $4; 3 wafer - $5; 4 wafer - $6; 5 wafer - $7
Used by Russian Hams in GS-35B amplifiers.
See picture for an application. It is better to insulate switch from front panel.
Tuning knobs, are OK for 11 position ceramic switch - $1 each
$25
$10
R-140 radiostation band switch. GOOD FOR 5KW - it has 15 RF HV capacitors on it
$25

ROLLER COILS

$50
Roller Coil 22 Turns of 1cm width copper strip,OK up to 7kW, body size LxWxH=26x12x14cm
7kW PA with this Roller Coil Aldo, IU8AIB uses 7300V plate voltage in it
$65
Roller Coil 24 Turns of 1cm width copper strip, OK up to 5kW, body size LxWxH=22x15x17cm
$70
Large Roller Coil 38 Turns, made from 1cm width copper strip
SOLD
Compact Turns counters (18,13 turns) OK for vac var capacitors and inductors
$20 (18 turns), $15 (13 turns)
Turns counter (40 turns). OK for vac var capacitors and inductors
$30

VARIOMETERS

FIXED INDUCTORS

$80 without relays, $150 with 4 relays
Wired Ceramic Coil Forms 43 turns, 38mm OD, 3mm diam enemaled wire
$10
8t tapped coil for power on higher HF bands
$20

CHOKES

<

ZENER DIODES

D815A - 5.6V@1.5A
$0.25
D815B - 6.8V@1.2A
$0.25
D815W - 8.2V@1A
$0.25
D815G - 10V@800mA
$0.25
D815D - 12V@650mA
$0.25
D815E - 15V@550mA
$0.25
D815ZH - 18V@450mA
$0.25
D816A - 22V@230mA
$0.25
D816B - 27V@180mA
$0.25
D816W - 27V@180mA
$0.25
D816G - 39V@130mA
$0.25
D816D - 47V@110mA
$0.25
D817A - 56V@90mA
$0.25
D817B - 68V@75mA
$0.25
D817W - 82V@60mA
$0.25
D817G - 100V@50mA
$0.25

STRAIGHT KEYS

CAMERAS

RECEIVERS

R326 Russian military tube receiver - 1-20 MHz Collectors grade. Factory sealed. Google R-326 for more info
SOLD
R326M Russian military solid state receiver - 1.5 -32MHz Collectors grade. Factory sealed. Google R-326M for more info
$450
R-323 Russian military receiver Minimal hours, factory sealed in Very good shape, collectors grade. With power supply. 20-100 MHz AM, CW, FM radio. For more info Google R-323.
SOLD
R-323m Russian military solid state receiver Minimal hours, factory sealed in Very good shape, collectors grade. With power supply. 20-100 MHz AM, CW, FM radio. For more info Google R-323m.
$400

TRANCEIVERS

R126 Russian military tube tranceiver - FM 48.5-51.5 MHz Good shape,antenna and handseat, no battery. Google R-126 for more info
$90

CALCULATORS

Antennas & Antenna Parts

Antenna Mast Guys Steel cable with insulators 8m - 10m long (steel part)
NOTE: These cables are able to be loaded up to 1.1 ton ( or abt 2300lbs) before failure.
$10 - $12
Long Antenna Mast Guys Steel cable with insulators 80m long (steel part)
$40
Big Antenna Insulator
Length - 70mm, hole -10mm diam
$5 each
Ceramic Antenna Insulator: Front / Back
$6 each
Antenna Insulator
Good for high power
$8 each
Antenna Insulators - Ceramic (pictured top, $1 each, pictured bottom, $1.50 each)

Military Memorabilia

R126 Russian military tube tranceiver - FM 48.5-51.5 MHz Good shape,antenna and handseat, no battery. Google R-126 for more info
$90
R326M Russian military solid state receiver - 1.5 -32MHz Collectors grade. Factory sealed. Google R-326M for more info
$450
Mike with Phones for Russian military stations never used ( for R107m and similar)
$15
NOTE:

All parts are "new off shelf, old stock," never used, unless otherwise noted.

Prices are in USD, but payment in Euro and GBP are also acceptable at current exchange rate.

Delivery period to Europe is about 5-7 days; to US, shipment takes about 8-12 days.

Shipping is not included in cost shown; contact UR4LL for shipping cost.

73. Alex, UR4LL.


Copyright (C) ND2X/5 & UR4LL; all rights reserved

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