16-05-2017, 10:05 PM
A recent thread over on UKVRRRDF concerning the Revelation 'Silvertone AP15' record player, caused me to check out the circuit, especially as I've owned a 'Silvertone AP15 for many years. Despite my having replaced the reservoir & smoothing caps. some years ago, there is still a small amount of hum present, so I'm wondering if the ECL86 valves used could be responsible. Trouble is NOS ones seem to be around £50 or more a pair, so I won't be changing the valves in mine!!
