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The stepped attenuator was a steal for what I paid for it, but I'd have to consult the project folder to work out where it was from exactly. I remember it being even better value if you had the guts...

Fantastic! There was a lil hunch in the back of my cranium that it might have so. I'll stick a pair in the basket.



Heh, thanks! If you're refering to photo 4, it's actually a 'neutralising'...

I also should say, I have emailed Jan about this, but considering how busy he is with the new website and whatever other tasks there are to running such a maverick buisness, it is no suprise I have...

Afternoon all!

Disaster has struck. Here I sat, happily listening to tunes through my Amp4 mod, thinking 'I have a few spare minutes to get back to those 41hz people at long last'. At that point,...

Oh and for the record, I'm going to hopefully be moving on a amplifier for a car - almost certainly to be based on Amp9. While it will be a less complicated design without a doubt, I'll still be all...

Hey everyone,

It has been an exceedingly long time since I last posted on here, maybe years, but I'm hoping some of you can still remember me. I took on a very ambitious project with a large...

Someone aught to do a table with pic links and everything :D

mmm, maybe, but that would involve playing 2 channels of music through one channel each time (ie. mono), would this reduce the overall sonic performance enough to make differences harder to hear?
...

yeaaaah, but crucially, 'A vs B' of having one amp without them (ie. stock) and one amp with them, next to each other, then switching between the 2 to compare.

Of course, it may be that the...

Hey all! :)

My amp4 has nearly finished it's testing phase with mostly stock components.

However, before I come to replace the stocks with the rest of the mod upgrades, I need to decide what I...

For what it's worth, that's also what Scott Endler (I think his name is), maker of the Endler attenuators, told me was best, so is what I'm using! :)

For what it's worth, that's also what Scott Endler (I think his name is), maker of the Endler attenuators, told me was best, so is what I'm using! :)

I'd give it a little while.

As already said, visiting http://www.tripath.com/downloads/TAA4100A.pdf will give you the amp9 data sheet I believe. :)

If you do choose an attenuator...

http://www.diyfidelity.com.au/product_info.php?cPath=0_33&products_id=32

Is what I'd suggest for the value option, @ 50AUD

I have a 10k personally, but...

Hey Longitude!

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Looks good!

I'll consider this when I come to tackle the Truepath, thanks! Still got to report my amp4 findings yet...

Man I love your diagrams...

I can't offer any useful information to this thread before I order a Truepath.

However, I must just say, that is a seriously stylish way of displaying measured values thomaseliot!

/end of...

I've seen the whole "input caps from board to input jacks" thing done many-a-time, and in fact, it's what I plan to do! :)

Yeah...I guess, come to think of it, it is kinda catchy in its own simple way. [^]

Just the lure of proposing some kind of community-building competition was too great. :D

Yeah, that's actually quite a neat touch.

Hey all,

I was thinking, I know the 41hz logo is simple, small and to the point, but, couldn't it be more reflective of the syle and quality 41hz amps offer? [8D]

Basically, my proposal would...

6th of August according to the shop. :)

Good spot!

Yeah, I figure I just photographed an incomplete one, and looking at it, I think it probably needs a re-wind as they're not quite tight enough windings.

Inductance testing on both...

Thanks xeonb, I will do!

Any more information on your listening tests with your Metglas cores?

Hey everyone! :D

I'm happy to say, after a long time of not being able to do any amp work due to personal reasons and stuff, I have since managed to make progress on the physical building of the...