09-09-2019, 06:55 PM
The 12AU7/ECC82 seems a rather unlikely output valve. Single ended or pp. But then the EF80 has been used for audio output in some TVs and that's even less likely.
In pp the transformer is less critical as there is no net DC in the primary. A mains transformer can often work well.
In pp the transformer is less critical as there is no net DC in the primary. A mains transformer can often work well.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv







