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Ham Radio: Cushman Monitor, CE4/4a,6/6a 5mhz Time Base replacement assembly., US $320 – Picture 0
Ham Radio: Cushman Monitor, CE4/4a,6/6a 5mhz Time Base replacement assembly., US $320 – Picture 0

Ham Radio: Cushman Monitor, Ce4/4a,6/6a 5mhz Time Base Replacement Assembly.

US $320

  • Cornelius, Oregon, United States
  • Jan 29th
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                                                                                    For Auction:  Replacement 5mhz OCXO Time base oven assembly for Cushman CE-4/4b,6 /6a Communications Service Monitors. This unit uses the original Cushman Oven enclosure but filled with a new PC board and new insides. Pin compatible with the Cushman Service Monitors mentioned earlier. Plugs into the existing time base oven socket with only a minor circuit modification necessary.( VCC + sourcing).  With this OCXO time base assembly installed, the front panel "Oven" lamp becomes a "AC Connected" indicator.   Installation instructions enclosed with oven assembly. Pinout label on unit.  These assemblies are checked for correct frequency before shipment. Original Cushman monitor 5mhz ovens as they age, have a very high failure rate: this replacement OCXO time base unit will keep your Cushman CE4/4b, 6/6A Monitor performing as you have come to expect. **** 5mhz outputs from this oven assembly are TTL Compatable*****   **** Technical Note***   The orginal Cushman Time Base ovens had two outputs: One TTL, one Sine. The Sine output was massaged on a board in the CE-4 &6's to drive a TTL device. Outputs from our replacement oven are both TTL@ 5mhz, and the "massaging circuitry" in the CE-4 &6 simply passes it along to the TTL device. **** ******Shipment is USPS  Flat Rate or USPS Priority  box to the lower 48 only, Free Shipping to the Lower 48 ONLY ******* All sales are final, no warranties or guarantees expressed or implied. No returns or exchanges or trades. Discount available for your old Cushman CE4,4b,6 or 6b oven. , email for details. Photo is of the unit you will receive: Unit SN: 38463 Need your existing CE-4/4b & CE-6/6a time base  oven re-built ? Email for details. Also available: Replacement time base oven assembly for CE-3/CE-5. Click on our "about me" link ( directly below) on this page for direct email link. Our Email and Web Page direct addresse are here: http://members.ebay.com/ws/eBayISAPI.dll?ViewUserPage&userid=cornelius_connie ********** PHOTO:  UNIT YOU WLL RECEIVE.  SN: 006829 *******

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