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+--- Thread: [PROBLEM] powersuply for amp2 + yamo (/showthread.php?tid=2499)
powersuply for amp2 + yamo - Mr.R0b0t - 05-08-2020
Can you help?
Which power supply for hifiberry amp2 and JAMO STUDIO S 801?
Hat attachment for Raspberry in version 4B, 3B +, 3B, 2B, A +, B +, Zero with a built-in class D amplifier with a power of 60 W. The device supports speakers with an impedance of 4 Ω to 8 Ω , works at speeds from 44.1 kHz up to 192 kHz, requires an external 12 V to 24 V power supply
Technical data:
Producer: Jamo Studio
Model: S 801
Construction: MDF housing, forward-facing bass-reflex port
Tweeter: 25 mm (1 ”) soft dome
Woofer: 102 mm (4 ”) Polyfiber
Short-term / long-term power: 120 W / 60 W
Dimensions: 285 x 156 x 163 mm
Impedance: 8 Ω
Efficiency: 85 dB (2.83V @ 1m)
Black colour
Frequency response: 76 - 26.000 Hz
https://allegro.pl/oferta/kolumny-podstawkowe-jamo-studio-s-801-czarne-7240169558?fromVariant=7240168383
Is this plug for screwing the cable?
RE: powersuply for amp2 + yamo - TheOldPresbyope - 05-08-2020
@Mr.R0b0t
This would seem a question better answered by the HiFiBerry folks on their website.
While you're at it you might ask them what that "60W" number represents---peak power, RMS power, or some other measurement altogether, and into what load.
Regards,
Kent
RE: powersuply for amp2 + yamo - Norbert - 05-08-2020
(05-08-2020, 04:53 PM)TheOldPresbyope Wrote: This would seem a question better answered by the HiFiBerry folks on their website.
While you're at it you might ask them what that "60W" number represents---peak power, RMS power, or some other measurement altogether, and into what load.
Hi Kent,
you don't have to go to other forums, because some members of this forum here have some experience with this HAT. (I have 2 installations running with it). And let me say (like an old Audiophile) the sound is fantastic! Because there is no analog part in the chain!
That means, as long as you don't have an analog component in the system, the power supply cannot influence the sound either.
@Mr.R0b0t Use ANY power supply which has aprox. 100W (20V, 5A) like an old used laptop charger.
Best regards
Norbert
RE: powersuply for amp2 + yamo - TheOldPresbyope - 05-08-2020
OMG, I finally know a use for those dusty “bricks” that have been accumulating over the years in my basement! I used to donate them but nobody wants them any more.
Thanks for setting me and the OP straight.
Regards,
Kent
RE: powersuply for amp2 + yamo - Norbert - 05-09-2020
One of my old "bricks" at work ... interesting is the size ratio compared to the RasPi A+ with the AMP2
@Mr.R0b0t The speaker cables are cross-connected. As a result, the (+) and (-) poles are closer to each other (4x instead of 1x). This reduces the inductance (magnetic field) and thus improves the pulse reproduction.
Normal:
(+)(-)
Cross-connected:
(+)(-)
(-)(+)
You can try it out if you like.
Best regards
Norbert
[attachment=1289]
RE: powersuply for amp2 + yamo - frenchy - 06-19-2020
@Norbert that's a fascinating picture in a number of ways, I might try and copy it! And maybe I can chop off the end of 4 pin 120w power supply and use that?
Can you explain a little more about the speaker wiring please?
Is it 4 core electrical cable?
RE: powersuply for amp2 + yamo - Cardone - 06-19-2020
Hi,
I had ordered power supply + Amp2 from hifiberry in Switzerland
-> Meanwell GS60A18-P1J (60W)
-> A 18V / 3.3A power supply for the HiFiBerry Amp2
On the Amp2, old punch 2 loudspeakers 4 ohms 2x110W
Music power is available.
