YOU ARE PURCHASING ON ONE LOT OF 4 QRP CRYSTALS IN USED FT-243 HOLDERS. ONE EACH OF 7045, 7110, 7114 & 7122 KHZ FUNDAMENTAL FREQUENCIES. I HAVE REMOVED THE ORIGINAL OUT OF BAND FT-243 ELEMENTS AND REPLACED THEM WITH THE HC49/S CRYSTALS (SEE 2ND PHOTO).

I'VE USED THESE LITTLE CRYSTALS WITH GOOD SUCCESS IN LOW POWER QRP RIGS AND HAVE SOLD HUNDREDS OF THEM TO OTHER HAMS WHO HAVE HAD GOOD RESULTS.

THEY ARE INTENDED FOR LOW POWER ONLY. THESE ARE SMALL QRP CRYSTALS, SO BE CAREFUL HOW MUCH CURRENT YOU DEMAND. I'VE NEVER DESTROYED ONE, BUT THEY CAN BE DAMAGED IF YOU PRESS THEM TOO HARD. SOME HAMS HAVE TOLD ME THAT THEY WORK IN THEIR OLD HEATHKIT TUBE RIGS, BUT I'D ADVISE USING THEM FOR QRP ONLY.

IF YOUR INTENDED USE IS FOR A 6V6, 6L6, 6DQ6 OR SIMILAR SINGLE TUBE TRANSMITTER, THEY WILL PROBABLY NOT HOLD UP. THESE CRYSTALS ARE NOT DESIGNED TO HANDLE THAT MUCH POWER, AND WORK BEST IN TRANSISTOR OR LOW POWER TUBE CIRCUITS.

SHIPPING TO THE UNITED STATES ONLY.