C carlmart Well-known member Joined Apr 24, 2014 Messages 56 Jan 10, 2017 #1 A friend of mine has an Urei 21 mic preamp, that he uses to trace speakers response. It started working weirdly, and the problem seems to be on the preamp. No luck in finding it yet. Any suggestions?
A friend of mine has an Urei 21 mic preamp, that he uses to trace speakers response. It started working weirdly, and the problem seems to be on the preamp. No luck in finding it yet. Any suggestions?
A abbey road d enfer Well-known member Staff member GDIY Supporter Moderator Joined Jan 22, 2008 Messages 17,073 Location Marcelland Jan 10, 2017 #2 Are you sure of the reference? Never heard of type 21. Is it solid-state or valve? Stand-alone or cassette? A pic would help.
Are you sure of the reference? Never heard of type 21. Is it solid-state or valve? Stand-alone or cassette? A pic would help.
pucho812 Well-known member Joined Oct 4, 2004 Messages 14,943 Location third stone from the sun Jan 10, 2017 #3 you can find just about every urea schematic here http://www.jblproservice.com/navigation/Vintage%20JBL-UREI%20Electronics.html just hover the correct model number. I have never heard of a urea 21
you can find just about every urea schematic here http://www.jblproservice.com/navigation/Vintage%20JBL-UREI%20Electronics.html just hover the correct model number. I have never heard of a urea 21