purk
Headphoneus Supremus
- Joined
- Sep 26, 2001
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The differences were quite small and the "most" apparent using the SR-007s...but still slight. I would say the 450V is a bit sweeter sounding...but again, not by much to my ears. YMMV.
For your reference, Mike and I spent quite a bit of time going back and forth between various different builds of the KGSSHVs and they are all excellent. IMO, the full-sized 450V Sanyo is match made in heaven to the SR009 due to warmer and relaxing sound. I personally think the full-sized 500V IXY is more neutral and leaner sounding compared to the full-sized 450V Sanyo. These traits make it work better with the SR007 due to more neutral approach to sound that also to work well with the SR009 too.