09-22-2021, 11:12 PM
Hi Gang,
On reason for the sweet sound of those 1950s Zenith radios is the sweet 8" speaker, compared to the puny 4", 5" or if lucky 6" speakers. I believe that they were a little more generous with the amount of metal in the output transformer. In addition, they run at a slightly higher voltage with the selenium rectifier instead of the 35w4. To top it off, several of the se radios employed negative feedback (check out the RC connection between the volume control and the cathode of the 35B5 / 35C5) The sound is almost as good as my RCA 1R81 Livingston with 8" speaker, but also with 6V6 and 250V on the plate of said 6V6.
On reason for the sweet sound of those 1950s Zenith radios is the sweet 8" speaker, compared to the puny 4", 5" or if lucky 6" speakers. I believe that they were a little more generous with the amount of metal in the output transformer. In addition, they run at a slightly higher voltage with the selenium rectifier instead of the 35w4. To top it off, several of the se radios employed negative feedback (check out the RC connection between the volume control and the cathode of the 35B5 / 35C5) The sound is almost as good as my RCA 1R81 Livingston with 8" speaker, but also with 6V6 and 250V on the plate of said 6V6.
"Do Justly, love Mercy and walk humbly with your God"- Micah 6:8
"Let us begin to do good"- St. Francis
Best Regards,
MrFixr55
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
