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08/19/19 at 19:25:06 


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Output Transformer Question Please (Read 518 times)
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Output Transformer Question Please
02/14/19 at 16:03:45
I am a self-taught newbish amp builder and I ordered the board to build the SE amp. I am not the strongest with calculating the specs for a output transformer, so I was wondering if this OT would be an appropriate substitute for the EDCOR units recommended for the build.


SE - 10W
8 K with 40 % UL Tap to 8 & 16 ohms
Frequency Response: 20 Hz to 80 kHz +/- 1 dB @ 1 Watt

Maximum DC Bias Current: 75 mA

Primary DC Resistance: 400 ohm

Primary Inductance: 50 H @ 120 Hz

Many thanks in advance...
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Steve Deckert

If the 1st watt
sucks why continue?

Posts: 3919
Re: Output Transformer Question Please
Reply #1 - 03/05/19 at 02:36:38

Hello Nate,

Sorry for the delay in seeing this!

Your output transformer would be just fine.  You simply wouldn't use the ultra-linear taps... or you could use them in place of the 1K 2W resistor on each output tube, your choice.

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