[Hallicrafters] SX43 vs SX71 power trans swap

[Gerry Steffens]

The transformer voltages are listed at the plate of the 5Y3 in the SX-71 at
280 VAC and at 290 VAC in the SX-43.

The SX-71 powers 11 6 volt filament tubes, the SX-43 powers 10 6 volt
filament tubes.

The 5Y3 rectifier is common to both.

Sam's lists the same Stancore number for both units P-6313.

Gerry


Collecting & Restoring since 1959
Gerald Steffens P.E.
Oronoco, MN



-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Tim Kass
Sent: Monday, October 30, 2006 6:08 PM
To: hallicrafters at mailman.qth.net
Subject: RE: [Hallicrafters] SX43 vs SX71 power trans swap


Hello group, I have a SX-43 that I am trying to restore, bad power
transformer...I also have a junker chassis to a SX-71 that is good...have
not tore into the SX-71 yet but was wondering if the voltage requirements,
that is, the transformer is interchangeable?  Any ideas... have schematic of

the SX43 but not the SX-71 ... thanks in advance

73, Tim K8WBL

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