Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: Leevi on November 25, 2019, 02:51:25 am

Title: Power transformer ratings
Post by: Leevi on November 25, 2019, 02:51:25 am

Should this be a general guide when selecting power transformer for a tube amp?


http://www.hammondmfg.com/pdf/5c007.pdf (http://www.hammondmfg.com/pdf/5c007.pdf)


/Leevi

Title: Re: Power transformer ratings
Post by: DummyLoad on November 25, 2019, 02:59:10 am

FULL WAVE BRIDGE Capacitor Input Load - VDC (avg) is stated as .9x Sec VAC is incorrect.

so, no.

--pete

Title: Re: Power transformer ratings
Post by: Leevi on November 25, 2019, 03:22:04 am

Quote

FULL WAVE BRIDGE Capacitor Input Load - VDC (avg) is stated as .9x Sec VAC is incorrect

I agree


/Leevi

Title: Re: Power transformer ratings
Post by: kagliostro on November 25, 2019, 06:00:14 am

http://el34world.com/Forum/index.php?topic=22550.msg240839#msg240839 (http://el34world.com/Forum/index.php?topic=22550.msg240839#msg240839)

(http://el34world.com/Forum/index.php?action=dlattach;topic=22550.0;attach=67649;image)

Franco