Originally Posted by imaginarytime
You wrote AN- models from Antek. Seems that the AS designation is specifically designed for audio, and cost about $5.00 more than the AN versions.
Not sure if this was an intentional distinction.
Honestly, I just opened whatever was in about the right VA and secondary voltage range so that I could get to the datasheet. The AN models do have the screen, which helps for audio but I think would be more important for a preamp than a power amp.