[Collins] 30L-1 amp DAHL transformer question

[Bruce H McIntosh]

On Sun, 2011-06-05 at 11:46 -0400, frankshughes at aim.com wrote:
> 
> Hi,
> I have a spare transformer for my Collins 30L-1. The transformer is a custom...

> The Harbach guys don't know what it is wound for...
> 
> Any guesses...

> COLLINS 30L-1 ADVERTISED UNIT (standard transformer, for comparison)
> PR) 115/230 VAC 50/60 HZ 1 PH 
> S1) 650 VAC 0.7A CCS 
> S2) 120 VAC @ 0.020A CCS 
> S3) 6.3 VCT @ 16A CCS 

> COLLINS 30L-1-1 MODIFIED SEC 1 VOLTS & SEC 2 CURRENT (this is the custom wound unit)
> PR) 115/230 VAC 50/60 HZ 1 PH 
> S1) 550 VAC 0.7A CCS 
> S2) 120 VAC @ 0.100A CCS 
> S3) 6.3 VCT @ 16A CCS 

Maybe it was for a unit wherein a tube HV rectifier was replaced with
silicon diodes?  Or maybe lower HV (with slightly lower output power)
would allow for cooler operation and longer tube life?

-- 
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    Bruce H. McIntosh  scotsman at afn.org  www.afn.org/~scotsman  WA4UF
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         Network geek with a strong affinity for Telecasters