Is Aleph 2 unstable < 6 Ohm???

Thago · 13th July 2007, 07:21 PM

I'm currently building a set of Aleph 2 monoblocs (the first is almost 50% ready

). This week I spoke to a friend hifi-enthusiastic, who stated that the Aleph 2 design is unstable (oscillating) below 6 Ohm loads. Is this right

?

Nelson Pass · 13th July 2007, 08:02 PM

No, the Alephs are stable into any known load - they simply don't
deliver more power.

GRollins · 13th July 2007, 09:06 PM

Speaking as one who has run various Alephs and variants into loads as low as 2 Ohms, I can say unequivocally that Alephs are pretty tough beasts. If there's an unstable one out there, I'm pretty sure you'll find one or both of the following:
1) It's a DIY effort (possibly poorly constructed)
2) It's been modified in some manner
As rumors go, this rates right alongside the possibility that the moon is made of green cheese.

Grey

Thago · 13th July 2007, 09:10 PM

Hello Mr. Pass, I'm delighted to be assured directly by you on this topic. My friend is probably just jealous that I will have in a while a couple of wonderfull Aleph 2's

The building process until now has been a real joy to me, I can't wait to hear them play. Thank you very much for making this possible

SisterOfMercy · 13th July 2007, 10:29 PM

Well, it probably is unstable when you put in a half-width rack

13th July 2007, 07:21 PM	#1
Thago diyAudio Member Join Date: Nov 2006 Location: Asse, Belgium	Is Aleph 2 unstable < 6 Ohm??? I'm currently building a set of Aleph 2 monoblocs (the first is almost 50% ready ). This week I spoke to a friend hifi-enthusiastic, who stated that the Aleph 2 design is unstable (oscillating) below 6 Ohm loads. Is this right ?

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13th July 2007, 08:02 PM	#2
Nelson Pass The one and only Join Date: Mar 2001	No, the Alephs are stable into any known load - they simply don't deliver more power.

13th July 2007, 09:06 PM	#3
GRollins diyAudio Member Join Date: Feb 2001 Location: Columbia, SC	Speaking as one who has run various Alephs and variants into loads as low as 2 Ohms, I can say unequivocally that Alephs are pretty tough beasts. If there's an unstable one out there, I'm pretty sure you'll find one or both of the following: 1) It's a DIY effort (possibly poorly constructed) 2) It's been modified in some manner As rumors go, this rates right alongside the possibility that the moon is made of green cheese. Grey

13th July 2007, 09:10 PM	#4
Thago diyAudio Member Join Date: Nov 2006 Location: Asse, Belgium	Hello Mr. Pass, I'm delighted to be assured directly by you on this topic. My friend is probably just jealous that I will have in a while a couple of wonderfull Aleph 2's The building process until now has been a real joy to me, I can't wait to hear them play. Thank you very much for making this possible

13th July 2007, 10:29 PM	#5
SisterOfMercy diyAudio Member Join Date: Mar 2003 Location: Schiedam	Well, it probably is unstable when you put in a half-width rack

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