[Boatanchors] Need Heathkit SB-220 Filament/Bias Transformer

George Morton n7hr at bendbroadband.com
Fri Apr 1 01:09:25 EDT 2011


Dave - Recco getting two separate xfmrs/ps.  I'd get the 5V xfmr from 
current mfr's stock, then build up the bias supply separately.  These could 
be mounted outside the SB220 chassis safely.  Apoor solution beats NO 
solution!  Brgds, Geo
----- Original Message ----- 
From: "David Hollander" <n7rk at cox.net>
To: "Heathkit" <HEATH at LISTS.TEMPE.GOV>; "BOATANCHORS" 
<boatanchors at mailman.qth.net>; <Boatanchors at puck.nether.net>; "Old Tube 
Radios" <boatanchors at theporch.com>; "BA Swap List" <baswaplist at foothill.net>
Sent: Thursday, March 31, 2011 9:31 PM
Subject: [Boatanchors] Need Heathkit SB-220 Filament/Bias Transformer


> Looking for a replacement Filament/Bias Transformer for a ham in Germany
>  for his SB-220 amp. The ratings are 5V / 30 Amp and 90V / 0.1A.
>
> Does anyone have one in their junkbox or from an SB-220 they are parting
> out?
>
> Tnx and 73,
>
> Dave N7RK
>
> -- 
> ***********************************************************
> Dave  N7RK          Boatanchors Home Page: http://members.cox.net/n7rk
> Phoenix, Arizona         *DXCC Honor Roll*    *WAZ#22 - 75 Meter SSB*
>
> ex-XE2/N7RK, N7RK/ZB2, VK2ERK, ZM0AJN, WB6NRK, WN6IWX
>
> Boatanchor and Antique Radio Collector
>
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