There has not been a commercial Leach amplifier for 20+ years.
I have several AB International 600, the schematic is virtually identical. The 680A is the current version with a 3.5" chassis and a fan. The older 600 was 5.25" and the fan optional.
http://www.abamps.com/680a.htm
I have several AB International 600, the schematic is virtually identical. The 680A is the current version with a 3.5" chassis and a fan. The older 600 was 5.25" and the fan optional.
http://www.abamps.com/680a.htm
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.