|
Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. |
For Sale Ads |
Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.
Original Message
RE: Homemade Variovac
Posted by fredtr on April 4, 2017 at 13:11:08:
I don't know about the 70, but the Mark III's have a problem where the B+ exceeds the PS capacitor voltage ratings until the outputs warm up enough to conduct. The fix is a thermistor. If you search Dynaco inrush current limiter you will find a lot about this, including the 70.