I just checked the parts list for my HQ-180 (non-A model). It lists
3ea. 0.1uF, 200VDC and 3ea. 0.47uF, 400VDC "Dur-Paper" capacitors and
a 0.033uF and 2ea. 0.01uF Mylar caps. All the rest of the small caps
are ceramic and mica. Of course, the filters are electrolytics. --Ed