[TenTec] MODEL 962 POWER SUPPLY PROBLEM?

[David H. Hammond]

HI EVERYONE,

I AM ENJOYING MY OMNI VI AND 962 POWER SUPPLY SINCE PURCHASING IT LAST
FALL.

I HAVE NOTICED THAT THE 962 EXHIBITS A NOTICEABLE HUM WHEN TRANSMITTING
UNDER KEY DOWN LOAD AND A LESS NOTICEABLE HUM
WHEN TRANSMITTING LESS THAT FULL DUTY CYCLE. ON RX SOMETIMES TOO.

I BELIEVE THAT IT IS SOME TRANSFORMER HUM UNDER LOAD. HAS ANYONE
ELSE NOTICED THIS TRAIT?  IS THIS COMMON PLACE FOR THE 961 AND 962
SUPPLIES?  ARE THERE ANY FIXES OR MODS THAT ARE SUGGESTED TO CORRECT OR
IMPROVE THIS CONDITION?

TENTEC SERVICE WAS QUITE VAGUE AND PARTIALLY ADMITTED THAT SOME HUMMING
MAY BE EXPERIENCED UINDER LOAD.  I WAS DISAPPOINTED IN
THAT ADMISSION CONSIDERING THE COST OF THE UNIT.

AS I HAVE A SMALL SHACK AREA AND CHASE MAINLY WEAK SIGNAL DX IT CAN
BECOME DISTRACTING AT TIMES.

ANY SUGESTIONS?

TNX AND LOVE THAT OMNI!!

73,

DAVE-KA1ED


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