Home Speaker Asylum

General speaker questions for audio and home theater.

Re: Check Out: Infinity Renaissance 90's or Vintage Quantum's

192.249.47.9

I can't help but wonder if dads systems were either damaged or misadjusted. I repaired a set of Q5's in 1985 which had the same problem. Cause: previous owner had a receiver (Technics) which did not do well with the Quantums low impedance. This forced the amp into clipping which generated a large amount of Emit fusing hf energy. This was a problem with the Q series design. That is why amplifiers with ability to handle the low impedance and have the capability to produce the desired SPL's were a must with Infinity speakers.

I have repaired/restored quite a few Infinity speakers dating from 1977 to 1983. I have found that these systems achilles heals were the Emits tendency to act as fusable links. Infinity delt with the problem in later designs by raising the crossover point, but they were still haunted by clipping "lesser" solid state amps.

-TH


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