Hi, Thank you for information!
I was wondering what is the output impedance of the unit. With JLM14 input tranfo and NE5532A op amp. Does DOA change output impedance?
Cheers
Search found 3 matches
- Wed Sep 18, 2019 6:33 pm
- Forum: JLM Audio Kits
- Topic: BA BA2 BA4 BAD Dual99v Build Thread
- Replies: 376
- Views: 1022115
- Thu Sep 05, 2019 2:23 am
- Forum: JLM Audio Kits
- Topic: BA BA2 BA4 BAD Dual99v Build Thread
- Replies: 376
- Views: 1022115
Re: BA BA2 BA4 BAD Dual99v Build Thread
[/quote] Check the BA is fully working with NE5532A and input reg voltage is set to +30 to +36vdc on +V of the opamp sockets. If so you should be able to remove the NE5532A and fit 6 sockets and plug in the discrete opamp. Remember the discrete opamp is only driving the +out so link on dip socket is...
- Wed Sep 04, 2019 3:32 am
- Forum: JLM Audio Kits
- Topic: BA BA2 BA4 BAD Dual99v Build Thread
- Replies: 376
- Views: 1022115
Re: BA BA2 BA4 BAD Dual99v Build Thread
Hi! I´ve got second hand BA-4 with NE5532AP Dual Opamps. The guy had ordered Sound Skulptor SK99 op amps but they were not yet installed. Are they straight drop in or do I need to make some modifications. At least I´ve got to get some pin soccets.. Here´s some pics from the current state of the circ...