aleph 5 power into 4 ohms

lowfi · 23rd October 2002, 02:58 AM

hey all,
with a cursory, at best, knowledge of the workings of my completed Aleph 5, and only a DMM for tools, can someone tell me how to calculate my delivered power into 4 ohm speakers? there was some talk on a thread a while ago about increasing this power, but i'm not sure what i'm pumpin' out.

thanks for any info,
scott

Nelson Pass · 23rd October 2002, 08:35 PM

You can get as much as 90 into 4, but it's distorted.
If you want a clean 100 into 4 ohms, look to raise the
bias current about double.

BrianGT · 23rd October 2002, 08:47 PM

What is the maximum Aleph 2 power into 4 ohms? Would I have to increase the bias current to run it at 4 ohms at max power?

--
Brian

lowfi · 24th October 2002, 06:07 PM

Mr. Pass,
thanks for the reply. the reason i asked was that i can crank my tube preamp up to full power and the sound is GOOD!! and saw a thread discussing how in it's current form, the aleph 5 delivers about 40 watts into 4 ohms. i don't need more power, i was just curious how much power i WAS delivering to my speakers. it seems like enough though, cuz even at volumes that start to hurt my ears, it sounds clear and powerful. DAMN this is a great amp!!

thanks for the input,
cheers,
scott

23rd October 2002, 02:58 AM	#1
lowfi diyAudio Member Join Date: Mar 2002	aleph 5 power into 4 ohms hey all, with a cursory, at best, knowledge of the workings of my completed Aleph 5, and only a DMM for tools, can someone tell me how to calculate my delivered power into 4 ohm speakers? there was some talk on a thread a while ago about increasing this power, but i'm not sure what i'm pumpin' out. thanks for any info, scott

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23rd October 2002, 08:35 PM	#2
Nelson Pass The one and only Join Date: Mar 2001	You can get as much as 90 into 4, but it's distorted. If you want a clean 100 into 4 ohms, look to raise the bias current about double.

23rd October 2002, 08:47 PM	#3
BrianGT diyAudio Moderator Emeritus Join Date: Jan 2002 Location: near Atlanta, GA	What is the maximum Aleph 2 power into 4 ohms? Would I have to increase the bias current to run it at 4 ohms at max power? -- Brian

24th October 2002, 06:07 PM	#4
lowfi diyAudio Member Join Date: Mar 2002	Mr. Pass, thanks for the reply. the reason i asked was that i can crank my tube preamp up to full power and the sound is GOOD!! and saw a thread discussing how in it's current form, the aleph 5 delivers about 40 watts into 4 ohms. i don't need more power, i was just curious how much power i WAS delivering to my speakers. it seems like enough though, cuz even at volumes that start to hurt my ears, it sounds clear and powerful. DAMN this is a great amp!! thanks for the input, cheers, scott

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