UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Boom · 18th Apr 2018, 2:44 pm

Ra is 230k for UL84 but Valve Museum doesn't give RA for UCL83. I got away with it for years though modding mates record players as they never were very loud until I upgraded/bodged them with a UCL83. I think that there is a couple of volts heater difference between the two valves also.

18th Apr 2018, 2:44 pm	#18
Boom Retired Dormant Member Join Date: Jan 2007 Location: Westbury, Wiltshire, UK. Posts: 2,451	Re: Amplifier problem (record player) Ra is 230k for UL84 but Valve Museum doesn't give RA for UCL83. I got away with it for years though modding mates record players as they never were very loud until I upgraded/bodged them with a UCL83. I think that there is a couple of volts heater difference between the two valves also.