Singxer SA-1 / Balanced Amplifier Fully Discrete Class A - beyond THX 888 ?!
Nov 27, 2023 at 5:30 PM Post #2,372 of 2,587
Does anyone have good experience pairing a power amplifier with the singxer? I just got a pair of kef ls50 meta on my desk and would to combine the pre-amp of the singxer with a nice power amp.

So far loving it using the singxer as pre-amp with using a very old integrated amp as a power amplifier. But i think a real power amplifier would be better. Would be nice to stay below 500 on the budget
 
Dec 10, 2023 at 2:35 PM Post #2,373 of 2,587
i see version 2 is out now.
anyone know what changes are.
its advertised on audiophonics but details a tad vague
 
Dec 10, 2023 at 2:39 PM Post #2,374 of 2,587
Is it still under warranty? I backed out of buying a used SA-1 because of this intermittent problem. I believe it has to be shipped back to China.

I could handle the shipping cost back under warranty, but not shipping back and forth, plus the repairs.
is this common then?
 
Dec 10, 2023 at 7:14 PM Post #2,375 of 2,587
i see version 2 is out now.
anyone know what changes are.
its advertised on audiophonics but details a tad vague
From the audiophonics page... "To adapt to all types of headphones, whether high-sensitivity or high-impedance models, the SA-1 V2 offers gain selection (low or high) via a bipolar switch on the front panel." If there is a gain selector on the front panel, instead of the 4 gain switches at the bottom, then I'm all for it, however the pictures of the front panel on the site doesn't really show the gain selector. Methinks could be an old picture (original SA-1)

Singxer SA-1 v2
 
Dec 10, 2023 at 7:23 PM Post #2,376 of 2,587
is this common then?
It's not unheard of. There have been several instances posted online.
It is probably just a small minority, but enough to put me off buying used.
 
Dec 11, 2023 at 8:53 PM Post #2,377 of 2,587
i see version 2 is out now.
anyone know what changes are.
its advertised on audiophonics but details a tad vague
I wonder if you can still do the jumper mod on the new version
 
Dec 11, 2023 at 9:17 PM Post #2,379 of 2,587
Dec 13, 2023 at 2:55 PM Post #2,380 of 2,587
I wonder if you can still do the jumper mod on the new version
pic on audiophonics shows same jumper positions as original. difficult to pinpoint any changes they have made tbh
 
Dec 13, 2023 at 5:40 PM Post #2,381 of 2,587
From the audiophonics page... "To adapt to all types of headphones, whether high-sensitivity or high-impedance models, the SA-1 V2 offers gain selection (low or high) via a bipolar switch on the front panel." If there is a gain selector on the front panel, instead of the 4 gain switches at the bottom, then I'm all for it, however the pictures of the front panel on the site doesn't really show the gain selector. Methinks could be an old picture (original SA-1)

Singxer SA-1 v2
The third toggle from the left is for high-Z / low-Z, an impedance selection.
 
Dec 13, 2023 at 7:20 PM Post #2,383 of 2,587
Paragraph 6 (below) describes the impedance switching. Paragraph 8 (below) confirms what @raif71 says.
9FA19F9D-74D6-409D-AE34-A34BBAC8C309.jpeg
 
Dec 13, 2023 at 7:39 PM Post #2,385 of 2,587
It appears to be. The data cited in the above ‘handbook’ are the same as those which are in the ‘www.audiophonics.fr’ listing for Singxer SA-1 V2.
 

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