Sai
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Wanted to share some impressions about the Tele G73R tubes. I’m using them in a Rogue RP-7 pre that takes 4 of these.
I think it’s a solid tube in terms of being super linear. And I mean ruler flat frequency response. A few folks have described its sound as having a sparkle up top. In my experience, that’s not the case. It’s a very analytical tube with an honest frequency response. Bass is tight and adequate and there is no mid range bloom. The tubes are basically a tightly selected set of Telefunken Smooth Plates with a black coating for better RF/EMI shielding? They were used extensively in aviation.
In terms of dynamics, I felt the tube to be capable but not more so than a good set of 60s Mullard tubes. It has a holographic soundstage, it’s not a huge soundstage but a very precise one.
I think overall, this is a great tube but a victim of its hype. Often described as one those holy grail tubes, and while I think it literally checks all the boxes one would want from the sound signature of a tube, that’s all it does. Maybe because it’s so analytical, it lacks any tubey goodness at all.
All in all, I’m not sure this tube is for everyone. Glad I was able to get a set and listen to them, but I will be stashing them away for now and go back to my Mullards or a set of CV491 tubes.
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