SparkoS Labs Gemini Headphone Amp
Apr 23, 2024 at 4:14 AM Post #76 of 81
FYI, your view that tube amps take “edge off the famous treble peak/bright sound the HD800S and HD800 often has, even with great solid-state amps” is limited by your experience with solid state amps. I hear no such edge with my CFA3, M^3 ( this one has Staccato discrete opamps) or the head amp directly from Playback Designs Merlot. 800S sounds full, highly dense and weighty, transparent and musical in my systems.

You cannot comprehend the word "often"?
 
Apr 23, 2024 at 4:18 AM Post #77 of 81
You cannot comprehend the word "often"?
It should be “almost never”. “Often” is bad.

Back to the amp, it’s not bad. Not better than the $500 offering from Nitsch. Great company and great people, however.
 
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May 5, 2024 at 12:11 AM Post #79 of 81
In Passion For Sound’s review, he mentioned that the stage depth was on the shallow side with this amp.

I’m curious if the owners here agree or disagree with that statement.
Disagree. If one uses NOS tubes, sets the bias jumper for more tube contribution to tube / opamp mix, shallowness of stage depth is not an issue.
 
May 5, 2024 at 12:19 AM Post #80 of 81
• SparkoS Labs Gemini truly shines with lower impedance headphones, in part because of the Gemini mere 0.25 ohm output impedance.
• Below, with a NOS Telefunken ECC801S tube, driving Grado PS500e (38 ohms):
IMG_8005.jpeg
 
May 7, 2024 at 5:38 AM Post #81 of 81
• SparkoS Labs Gemini truly shines with lower impedance headphones, in part because of the Gemini mere 0.25 ohm output impedance.
• Below, with a NOS Telefunken ECC801S tube, driving Grado PS500e (38 ohms):IMG_8005.jpeg
I found the Grado RS1X to be a somewhat sub optional match, good to see that it's not applicable to all Grados 👍
 

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