fullrange speakers and Pass labs amps

MikeW · 16th March 2008, 08:38 PM

I finally got some full range speakers to go with my F1. It sounds very good. What other Pass Labs amps do you recommend to drive full range speakers? Would a tube amp give better bass?

b-square · 16th March 2008, 09:05 PM

I'm using the audiophile hipster fanboy approved combination of an F3 with Zu Druid IVs. They sound great. I want a bit more bass, and plan to get it with a sub (or 2) rather than fiddling with the amp.

Magura · 16th March 2008, 09:22 PM

ZV9 set as current source does a great job.

A balanced ZV9 (think differential pair) is great as well. Go inductor load if you want the full monty.

Magura

MikeW · 16th March 2008, 09:43 PM

I have a V9. It does not sound as good as the F1 with these speakers. How do I use the V9 as a current source?

Dennis Hui · 16th March 2008, 10:51 PM

Mike,

I think if you remove the feedback and the Aleph current
source then you will have a current source. (Installment
2 of ZV9 article.)

Cheers,
Dennis

Magura · 16th March 2008, 10:55 PM

Quote:

Originally posted by MikeW
I have a V9. It does not sound as good as the F1 with these speakers. How do I use the V9 as a current source?

Dennis beat me on the re-config for current source of the ZV9, so I'll just add a bit to it, as it is described well in the ZV9 article.

The most probable reason for the lack of bass with your by the book ZV9, is that the DF is too high. I tuned mine with a pot in series with the NFB.

Magura

bluemartini · 16th March 2008, 11:27 PM

The most probable reason for the lack of bass with your by the book ZV9, is that the DF is too high. I tuned mine with a pot in series with the NFB.

And DF, NFB stand for what?

MashBill · 17th March 2008, 12:51 AM

Quote:

Originally posted by bluemartini
The most probable reason for the lack of bass with your by the book ZV9, is that the DF is too high. I tuned mine with a pot in series with the NFB.

And DF, NFB stand for what?

Damping Factor

Negative Feed Back

Babowana · 17th March 2008, 01:46 AM

Quote:

Originally posted by MikeW

I finally got some full range speakers to go with my F1. It sounds very good. What other Pass Labs amps do you recommend to drive full range speakers? Would a tube amp give better bass?

I could recommend tube pre + F4.
In my opinion, F4 has great values in sound and others, e.g. fun of several variations as described in Papa's writing.

bluemartini · 17th March 2008, 02:00 AM

So does that mean the pot is placed to between R16 and R17? so that the damping factor can be adjusted as desired?

16th March 2008, 08:38 PM	#1
MikeW diyAudio Member Join Date: Sep 2002 Location: North of Boston	fullrange speakers and Pass labs amps I finally got some full range speakers to go with my F1. It sounds very good. What other Pass Labs amps do you recommend to drive full range speakers? Would a tube amp give better bass? __________________ MikeW

16th March 2008, 09:22 PM	#3
Magura diyAudio Member Join Date: Oct 2003 Location: Denmark, Viborg	ZV9 set as current source does a great job. A balanced ZV9 (think differential pair) is great as well. Go inductor load if you want the full monty. Magura __________________ Everything is possible....to do the impossible just takes a little while longer. www.class-a-labs.com

16th March 2008, 09:43 PM	#4
MikeW diyAudio Member Join Date: Sep 2002 Location: North of Boston	I have a V9. It does not sound as good as the F1 with these speakers. How do I use the V9 as a current source? __________________ MikeW

16th March 2008, 10:51 PM	#5
Dennis Hui diyAudio Member Join Date: Aug 2002 Location: Toronto, Canada	ZV9 as current source Mike, I think if you remove the feedback and the Aleph current source then you will have a current source. (Installment 2 of ZV9 article.) Cheers, Dennis

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16th March 2008, 09:05 PM	#2
b-square diyAudio Member Join Date: Feb 2004 Location: Seattle, WA	I'm using the audiophile hipster fanboy approved combination of an F3 with Zu Druid IVs. They sound great. I want a bit more bass, and plan to get it with a sub (or 2) rather than fiddling with the amp.

16th March 2008, 11:27 PM	#7
bluemartini diyAudio Member Join Date: Nov 2004 Location: ohio	The most probable reason for the lack of bass with your by the book ZV9, is that the DF is too high. I tuned mine with a pot in series with the NFB. And DF, NFB stand for what?

17th March 2008, 02:00 AM	#10
bluemartini diyAudio Member Join Date: Nov 2004 Location: ohio	So does that mean the pot is placed to between R16 and R17? so that the damping factor can be adjusted as desired?

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