Assertion: amplifier's output | /r/CapableOf | share its preamplifier design
Facets:
value: with the lower powered ac15
type: OTHER
Source sentences:
text: Since the higher output AC30/4 shared its preamplifier design with the lower powered AC15, Vox discovered the high-gain EF86 tube was susceptible to microphonics, or even failure, when exposed to the increased vibration present in this uprated amp.