harman kardon

Hi All I have been trying to find measurements on the H/K Citation amp, with no luck so far. Any of You seen anything?

When researching about transducers, sometimes you can find some terms such as "free field" and "diffuse field" curves. Also, there is the famous Harman curve which is based on the statistical preference of both trained listeners and the general public. Headphones such as the HD 800 are designed...

I was inspired to do some research after reading Amir's review of the Yamaha A1 vintage amplifier. Anyhoo, this thread is offered more as a nod to the website AmericanRadioHistory.com (https://www.americanradiohistory.com/index.htm) which has a fantastic catalog of Stereo Review magazine back...