Collins: KWM-2 / KWM-2A Parts

KWM2/A Panel Meter
(COL) 458-0491-00
Simpson KWM2/A panel meter. New!
*** SOLD OUT ***
Collins Noise Blanker
for KWM-2
(EQP) COL-136B-2
Collins noise blanker for KWM-2. Serial #282. Includes instruction sheet. Knobs and potentiometer not included. We bought this from Collins many years ago and are finally letting go of it.
$550 each
Collins Rubber Feet Kit
(COL) 543-8101-KIT
Collins rubber feet kit. Kit includes (4) rubber feet, (2) extension feet & (1) set of hardware.
$27 each - $25.50 (5+ kits)
6AZ8 Phillips ECG
(TUR) 6AZ8
For Collins KWM-2/A. Phillips ECG.
$8 each - $7 (13+), $6 (100+)
"Y" Filter
(COL) 526-9337-000
2.1 KHz round "Y" solder-in F455Y21.
$249 each
Mechanical Filter
2.1 kc / 455 kc Center Frequency
(COL) 526-9427-000
Collins mechanical filter. 2.1 kc B.W., 455 kv center frequency. F455FA21. Fits 75S-3B/C & KWM-2A.
$249 each
PM-2 Power Supply for KWM-2 / A
Part Number Description Price Each  
(COL) 183-1054-00 C1, C2 20 uF, 450 v electrolytic caps 6.50 Add
(COL) 183-1009-00 C7, 40 uF / 40 uF, 450 v twist lock SOLD OUT
(COL) 353-1661-00 CR1-9 Diodes 2.00 Add
(COL) 662-0033-00 PM-2 Power Transformer. Pic SOLD OUT
(PUB) COL-PM-2 PM-2 Manual, copy 15.00 Add

Other KWM-2 Switches
Genuine new replacement switches and wafers for the KWM-2. (COL) 259-1014-000 pictured.
Part Number Description Price Each  
(COL) 259-1014-000 Meter Selector Lever Switch, S12 45.00 Add
(COL) 269-2023-000 Band Switch Wafer, S2 & S14 42.00 Add
(COL) 269-1983-000 Switch Wafer, S6 48.00 Add

Relay Conversion Kit
Our best selling KWM-2 product. By installing this kit, your KWM-2 is updated to the modern sealed plug-in relays of the KWM-2A. Cure the intermittents commonly found in older open frame relays. Includes all necessary parts plus the two original full service bulletins from Collins.
$395 each
Audio Transformer
(COL) 667-0368-000
T6, original Freed audio output transformer for the KWM-2/A.
$85 each
KWM-2A Manual
Most complete manual, 9th edition, 15 January 1978. Includes complete fold out diagrams, revisions from KWM-2 to latest Rockwell KWM-2A. New Original.
$35 each
IF / RF Transformers
Original New replacement cans.
Part Number Description Price Each  
(COL) 278-0276-000 T1 Transformer 60.00 Add
(COL) 278-0277-000 L9 Tune Coil 49.00 Add
(COL) 278-0538-000 L9 Tune Coil 35.00 Add

Replacement Tubes
16 quality tubes selected for use in the KWM-2/A. Basic kit includes all tubes but the finals. Pick up a set to have on hand for substitution trouble shooting.
$142 per set
Plug-In Relays
(COL) 970-2439-010
T163X-96, 4 pole double split contact, 115 vdc coil Allied relay made exclusively for use in Collins' KWM-2A. Don't take ill advice on using a generic substitute. They don't hold up!
$149 each
(COL) 970-2439-020
T163X-97, 6 pole relay, otherwise as above.
$165 each
General Electric 6146B / 8298A
Sold Individually or in Matched Pairs
(TUT) 6146B/8298A
General Electric 6146B / 8298A premium tubes. Recommended for any transmitter using 6146Bs including Collins, Kenwood, Yaesu, etc. New in original in factory cartons. Last chance to stock up on these rare beauties. Date codes 1981-1985. NOTE: Now includes individual Roe Tester printout with curves. All premium tubes. Guaranteed satisfaction. See attached print out example.
$62 each - $59 (10+ singles)
(TUT) 6146B/8298A-MP
Matched pairs. Otherwise, same as above. NOTE: Pairs are matched from Roe Tester results. Now includes individual Roe Tester printout with curves with each tube. All premium tubes. Guaranteed satisfaction. See attached print out example. Nothing better on the market for Collins KWM-2 and 32S transmitters, Kenwood, Yaesu and Drake.
$135 matched pair - $130 (10+ matched pairs)
(TUT) 6146B/8298A-MT
Matched trio (3 tubes). Otherwise, same as above.
$200 / set
General Electric 6146W
Sold Individually or in Matched Pairs
(TUT) 6146W
Our most popular tubes. Heavy duty "W" model made for use in military equipment where rugged environment survival was essential. Premium Tubes, includes individual Roe Tester printout with curves with each tube Guaranteed satisfaction. Manufactured by General Electric in the good old USA. In most cases, our 6146W will directly replace 6146, 6146A and 6146B. Made for use in Collins and other U.S. manufactured equipment. Date code: 1987.
$57 each
(TUT) 6146W-MP
Matched pair. Pairs are matched from Roe Tester results. Now includes individual Roe Tester printout with curves with each tube. All premium tubes. Guaranteed satisfaction. Original Equipment Manufacturer's choice for Collins KWM-1, KWM-2 and 32S transmitters.
$125 matched pair
Parasitic Chokes
(COL) 543-8022-002
Z1 and Z2 choke as used on 6146 finals. Coil wound on 2 watt resistor.
$11.75 each
Mic Gain Pot / Switch
(COL) 376-7404-000
Yes, it is the most often requested replacement pot on the KWM-2. Responsible for intermittent tune up / mic gain control.
$19 each - $15 (5+)
Other KWM-2 Pots
Genuine new replacement pots for the KWM-2. If it's worth replacing, stick in a new one.
Part Number Description Price Each
(COL) 376-7202-000 Anti Vox Gain, R45 & Vox Gain R39 19.00 Add
(COL) 376-4623-000 Carrier Balance R15 18.00 Add
(COL) 376-4622-000 S-Meter, R121, 100k Slot Adjust - Pic 22.00 Add

Special Crystals
(COL) 289-1424-000 pictured
Part Number Rating Price Each  
(COL) 289-1424-000 100 KHz 85.00 Add
(COL) 290-8705-000 453.65 KHz 75.00 Add
(COL) 290-8706-000 456.35 KHz 75.00 Add

PA Loading Trimmers
(COL) 918-0006-000
PA loading trimmer. 100 - 500 pF. C152, C153 and C154.
$12 each
(COL) 918-0010-000
PA loading trimmer. C155.
*** SOLD OUT ***
Collins KWM-2
Plate Tuning Capacitor
(CAV) 920-0138
Replace your arced final tuning capacitor. Mounts by tapped holes in front or bottom. Body measures 2-3/16" x 1-13/16" x 1-5/8" high. Dual section 3/8" diameter x 1-1/2" long shaft. 13 - 452 pF per section. Extra replacement for KWM-2.
*** SOLD OUT ***
DPDT Relay
115 vdc
DPDT Relay KR2565-1, Collins 970-1914-000
(COL) 970-1914-000
Potter & Brumfield. The original KR2565-1 relay. DPDT, 115 vdc coil. Fits 30L, 32S, 62S-1, KWM2. It's a sensible replacement part to have on hand.
$85 each - $75 (6+)
Collins 4 Ohm Speaker
(COL) SPKR-4-57
You're missing out if you haven't replaced your 20-30 year old speaker with our updated communications speaker made by the same manufacturer Collins contracted with. Delivers the desired warm audio from your tube type equipment. Many hams order extra after trying out this new design. Slips right into same mounting as original speaker in B3, B4 or B5. 5" x 7". Low, 4 ohm impedance Join the club! Also fits Drake MS-4 Speaker cabinet. A perfect replacement!
$36.75 each - $35 (3+), $32.50 (10+)