Marantz 2225 sound spike

[monopole]

I tried now with two different turn tables, and i still have this spike in sound...
When the sound spikes it sound like a low pass filter was turned off.

i tried on a dual 1225 (shure M75b) and a kenwood KD-2055 (ortofon OM5e)

and ideas?

(thread moved)

 

[Zodia]

try asking that question here http://www.audiokarma.org/forums/forumdisplay.php?f=13 in the vintage solid state forums.

John