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G4UEQ > OLDSET 22.07.09 19:26l 15 Lines 437 Bytes #999 (0) @ WW
BID : E80441G4UEQ
Read: GUEST
Subj: Re: ZL1ANM > hum bucking
Path: IZ3LSV<IK2XDE<ON4HU<VE3UIL<VE9MPF<GB7YKS<GB7SYP
Sent: 090722/1819Z @:GB7SYP.#19.GBR.EU #:55557 [Barnsley Local] $:E80441G4UEQ
From: G4UEQ@GB7SYP.#19.GBR.EU
To : OLDSET@WW
Hi Warren and all,
I remember when I started in the radio and television repair workshops as
an apprentice some of my elders mentioning that on the old radios the
valve heater line went o/c when the speaker was disconnected, so I knew
that the heater wiring went round the speaker and I assumed the speaker
winding needed the 6.3v, or whatever of the heater line.
73,s de Terry,
G4UEQ.
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