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 "UR4LL" email link, his address is "ur4ll" followed by "@" and "gmx.com". His previous email address is valid through end of 2008.

It is also possible to contact Dr Alex via SKYPE, address "alexgavva".

TRIODES:

GS35B   1500+W thru 432 MHz - $100
Coaxial resonator PA for GS35b. OK for 432MHz,minimal hours in use, perfect shape. Schematic available. Weight without tube 22kg. Price without tube $300.

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. - $85
(NOTE from ND2X: Two of these will outperform a pair of 3CX800's at less than 20% of the cost).

GS9B  300W on HF to 432MHz, >100 W on 13cm (K9EK cavity design) - $10 without cooler, $15 with cooler

GI21B, 110 W on 8.5cm - $10 and its socket - $8

GM5B audio triode - $50  (socket is available)

GI7B & GI7BT   300-400W, HF to 300MHz; 250W thru 23cm) - $25

GU5B 2.5kW triode (3.5kW on HF) - SOLD & GU5b socket SOLD

6C33C audio triode - ( 6S33S) - $20. Sockets are available -$5. It is easy to find data and schematics if you Google 6C33C

TETRODES:

813 - $25
Two of these tubes run 1kW without cooling and the associated blower noise.

GK71 - $30; sockets - $15
Two of these tubes run 1kW without cooling & associated blower noise. Equivalent to 471 (or RS-471?).

6P45S Tube - $15 / Socket - $2.
This is a sweep tube, similar to PL519 except the heater voltage is 6.3V.

GS15B   500+ W on 23 cm in KD5FZX PA design - $15. Socket - $20.
Coaxial resonator PA with GS15b (40-600MHz) with air cooling fan. Schematic available -$150.

GU19B tetrode - $10; sockets - $15
This tube works on 2m.

GS23B   1.5KW on 70cm; N7ART, KD5FZX, K5GW PAs (same as 4CX1600U; similar to YL1050) - $140

GU29B 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

GU34B - $40
NIB, passed military control. Works up to 250 MHz, Ua max 2.5kV. Base similar to GU43b. See YU1AW information for usae on 2M (scroll to bottom of page). It will do 1KW on HF with no problem.

GU35B - $200
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.

GU39A-1   (10 KW, watercooled) - $250 shipped. One piece only.
Heater transformer for GU39A-1 - $100

GU43B   OK for HF-6m, similar to 4CX1600; 1600 W up to 100 MHz - $60; socket - $75 each

GU50 tetrode (analog of German LS50)-$10, socket $7

Cooling compartment for GU-74B with doorknob capacitor; OK for similar size tubes - $20

GU81M - $65, socket - $30
Two of these tubes run 3kW without cooling and the associated blower noise. See schematic.

METERS: Size is 60x60mm, requires 50mm diameter wall hole - $20 each
1A
100mA
100-0-100mA
1.5KV


RELAYS:

RF Relay >1000 W (for HF) open-frame relay, 24-27VDC coil - $10

RF Relay:  Small size open frame relays (OK for GU74b); It is possibly to use these relays for Pi circuits with 1 kW and more. - $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" - $10

REW-15 1500 W (thru 650 MHz) 75 ohm coaxial relay with 3 cable connectors - $23
See writeup for notes on using this relay in 50 ohm PAs, especially HF and 6M - no sweat!!

REW-14 1500 W (thru 650 MHz) 50 ohm coaxial relay with 3 cable connectors - $34
male-to-male connector (for joining two REW14 relays together).

REW16 500W (thru 1000 MHz - usable at 1296MHz) 50 ohm coaxial relay with 3 cable connectors - $35.

B1B Vacuum Relay, 3KV, 10A - $20 each

B2B Vacuum Relay, 4KV, 15A - used, excellent condx - $25 each

P1D-1W 3A Vacuum relay, 1.5kV . SPDT relay. Not new, but in very good shape, minimal hours in use. Widely used in Russian home made PAs, very good for bypass. - $20 each

RPA12 polarized RF relay; input circuits of HF PA with 80-100W, 30-40W up to 150 MHz, 12 V coil, - $5 each

RESISTORS: UPDATED

150 Ohm 10W non-inductive - $2 each
100 Ohm 60W non-inductive - $10 each
75 Ohm 25W non-inductive - $3 each
51 Ohm 20W non-inductive - $4 each
50 Ohm 25W non-inductive - $5 each
17 Ohm 25W non-inductive - $4 each
17 Ohm 100W non-inductive - $7 each
17 Ohm 50W non-inductive - $5 each


INSULATORS:
Inverted-V dipole or high power wire Antenna Insulator - $20 each
Antenna Insulator - $8 each - Good for high power.
Antenna Insulators - Ceramic (pictured top, $1 each, pictured bottom, $1.50 each)
Antenna Insulator - $10 each - General Purpose antenna insulator.
BIG Antenna Insulator - $20 each - General Purpose antenna insulator.
More Feedthrough Insulators - $3 each
Big Feedthrough Insulator - $10 each

CAPACITORS: K15U-1 door knob type: 1.5 pF 6kV $2 2.2 pF 6kV $2 3.3 pF 6kV $2 4.7 pF 6kV $2 6.8 pF 10kV $3 10 pF 3.5kV $2 10 pF 6kV $2 10 pF 10kV 8kVar $3 15 pF 6kV $2 15 pF 10kV 8kVar $3 18 pF 6kV $2 18 pF 10kV 8kVar $3 22 pF 3.5kV 4kVar $2 22 pF 6kV 5kVar $2 22 pF 10kV 8kVar $4 27 pF 3.5kV $2 27 pF 10kV 8kVar $4 33 pF 3.5kV $2 33 pF 6kV $2 33 pF 10kV 8kVar $4 39 pF 3.5kV $2 39 pF 10kV $4 39 pF 10kV $3 47 pF 3.5kV $2 47 pF> 6kV 7kVar $3 47 pF 10kV 8kVar $4 56 pF 3.5kV $2 56 pF 10kV 8kVar $4 68 pF 6kV 7kVar $3 68 pF 10kV 8kVar $4 68 pF 15kV 14kVar $4 100 pF 3.5kV $2 100 pF 10kV 9KVAR $5 100 pF 15kV 15KVAR SOLD 100 pF 20kV 15KVAR SOLD 150 pF 3.5kV $3 150 pF 6kV 7KVAR $4 150 pF 10kV 9KVAR SOLD 150 pF 15kV 20KVAR $6 220 pF 3.5kV/8KVAR $3 220 pF 10kV 16KVAR $5 330 pF 3.5kV 8KVAR $3 330 pF 6kV/20KVAR $5 330 pF 20kV/50KVAR sold 470 pF 4kV/20KVAR $4 470 pF 15kV/40KVAR $10 two (of above) mounted on ceramic plate $15 680 pF 4kV/25KVAR $5 1000 pF 4kV/30KVAR $6 2200 pF 4kV/50KVAR $8 2200 pF 6kV/60KVAR $10                   K15U-2 Capacitor 100pF 10kV 50kVar - $7 150pF 10kV 75kVar - $8 150pF 15kV 100kVar - $15 470pF 4kV 100kVar - $10 1000pF 8 kV 25 kVar - SOLD 2500pF 5 kV - $8 3300pF 3kV 25 kVar - $6 4700pF 6 kV 65 kVar - $15 K15U-3 Capacitor 680pF 3kV 10kVar - $3 KVI-1 RF Capacitors 4.7 pF 10KV - $0.50 6.8 pF 10KV - $1 10 pF 10KV - $1 KVI-3 door knob type: 470 pF   16 kV   $3 1000 pF   12 kV   SOLD 1000 pF   16 kV   SOLD 1500pF   10kV   $5 3300 pF 10 kV   $5 4700 pF   5 kV   $4 K15-4 RF Capacitors 470pF 30KV 8kVar - $3 K15-5 Disk Ceramic 10,000 pF 1.6kV - $0.50 6800 pF 1.6 kV - $0.50 470 pF 3kV - $0.25 2200 pF 3kV - $0.50 4700pF 3kV - $0.50 1000 pF 6.3 kV - $1

Vacuum capacitors: 50pF 15kV -$10 100 pF 15 kV - $10 150 pF 15 kV - $13 250pF 15kV-$14 300 pF 15 kV - $15

Vacuum Variable capacitors: 3-50 pF 25 KV  max dia. 75mm, max len. 179mm (with shaft) - $50 5-100 pF 25 KV 50 A max dia. 87mm, max len. 191mm (with shaft) - $65 5-250pF 5KV max dia. 70mm, max len. 156mm (incl shaft) - $105 w/mounting hardware 7.5-350pF 10kV max dia. 100mm, max len. 249mm (with shaft) - $95 10-500 pF 10 KV max dia. 115mm, max len. 254mm (with shaft) - $105 15-750pF 5KV max dia. 108mm, max len. 200mm (incl shaft) - $105 (measured capacity is 10-780pF) 20-1000pF 10KV max dia. 145mm, max len. 278mm (incl shaft) - SOLD w/mounting hardware & turns counter 10-1200pF 4KV max dia. 96mm, max len. 200mm - SOLD w/mounting hardware and turns counter. There are different kinds of mounting hardware

Air Variable capacitors: 5 section air variable capacitor 2000pF total capacity - $15 Big air variable  2-100pF Air variable with coil  - $10 Small Air variable - $7 2x8-200pF Air variable with long shaft - $15 Large 4-220pF Air variable - $55 3x5-430pF small size air variable - $10 3x8-480pF Air variable - $12 2x350pF air variable - $8 2x500pF air variable - $10 1000pF w/reductor & knobs - $25

Knobs: Control Knobs  - $2 each

Switches: 5 position cam-action band switch 5 position large 2 wafer ceramic switch -$20 each 11 position, ceramic: 2 wafer - $3; 3wafer - $4; 4wafer - $5; 5 wafer - $6                 Used by Russian Hams in GS-35B amplifiers. Compact 1kW Band Switch - $25 Heavy Duty switch #1 Good to 5KW - $35 Heavy Duty switch #2 Good to 5KW - $30 HIGH POWER Antenna Switch from R-140 R-140 radiostation band switch - $50  (it has 15 different RF HV capacitors on it) 2 position big RF switchers - $15 each 2 position KW RF switch with LONG shaft - $15 each Variable Inductors: Variable Coil - 8 turns, 20-60 MHz 1.5-2.5 kW. Variable Inductors (variometers) New variometers - $30 each Variable Coil with switch inside Roller Coil Made from 1cm width copper strip - $50 Small Variometer - $25 High Quality Variometer on Ceramic Frame - $40 Fixed Inductors: 9 turns teflon fixed value Coil - $7 Fixed Value Coils Coils on acrylic forms 42 turn coil on ceramic form - $15 RF Chokes RF Transformer - $10 8t tapped coil for power on higher HF bands - $20 ZENER DIODES: Zener Diodes Approximately 8W: D815A - 5.6V@1.5A - $0.25 D815B - 6.8V@1.2A - $0.25 D815W - 8.2V@1A - $0.25 D815D - 12V@650mA - $0.25 D816W - 27V@180mA - $0.25 D816G - 39V@130mA - $0.25 D816D - 47V@110mA - $0.25 D817B - 68V@75mA - $0.25 D817A - 56V@90mA - $0.25 D817W - 82V@60mA - $0.25 D817G - 100V@50mA - $0.25 LOOK  Aluminum Box for 70cm PA (See http://w7iuv.com - select" 2 x GI-7B 70 cm"), but they are OK for any 2 GI7b ( or other tubes) PAs. Three pieces are available @ $50 each. Aluminum Box OK for building PA in - email for price. Dynamic Russian stand microphone with stand, new in box - $15

Russian Military Memorabilia SONY ICF-SW11 NIB FM/SW/MW/LW Receiver, New in Box - $45 Russian VEF Spidola-10 receiver produced in 1967, great shape! Field Phone - $30 Straight Key - $10 Navy loudspeaker ($20) and microphones ($15) Leather aviation helmet with phones and 2 microphones - $50 NEW (Yuri Gagarin type) R-326 military tube receiver 1-20Mhz Its shape is not super, but good; this radio was minimal hours in use, sealed, nobody was inside of. Optical and mechanical scale. External power supply is available. $250 or trade to old type HF tranceiver with equal price. Soviet car radio (early 70s) with HF converter; receives LW, MW, VHF (66-77MHz). Great shape. - $30 for both units.

NOTES:

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

Prices are in USD, but payment in Euro and GBP is possible at current exchange rate.

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

73. Alex, UR4LL.