Other receivers in the Pioneer’s lineup at the time included the SX-434, SX-535, SX-636, SX-737, SX-939 and the top-of-the-line SX-1010 which many feel may be Pioneer’s best built receiver ever. Here are the specs for the SX-838: The ad below shows the Pioneer lineup durin...
The SX-424 does not pump out a boatload of power. But, the 12 watts it does put out are solid and will drive most speakers. It has a pretty decent tuner as well as phono section. The SX-424’s close relative the SX-434 (1974) was only slightly different in that it had a Balan...
I have a vintage 1975 Realistic STA-47 stereo that appears virtually identical to the Pioneer SX-424 and SX-434. Only the front knobs, etc., are arranged differently and the internal specs are a hybrid of each. I inherited the STA-47 from my late father who purchased it new and it ha...