Best Of
Re: Post a picture.....any picture...part deux...
A longtime friend stopped by last week for lunch whilst en route to a car show in VT.
He was in his 1990 Miata.
PS I respectfully request that you not bust my chops about the crabgrass infestation in the parking pad this year.
mhardy6647
7 ·
Re: Snub Way road test
I was looking at the 3 versions of that last night, the XL version has my attention.
Upstatemax
1 ·
Pass vs. Pass
I have been having so much fun with the Pass ACA (Amp Camp Amp) in my office rig. Running a few different pre's and dac's. It really performs at a level it shouldn't considering it's a basic DIY circuit. The highest expense is the case. Need something robust to dissipate the heat of single ended class A.
It has excellent bass, better than the other 2 amps I use in my office rig. I ended up having to do add some upgraded parts to the dac and pre I use to keep up. I installed discrete op-amps in a couple pieces which yielded even better sound.
This is an 8-9 wpc single ended class A amp using a 24V 5A switching power supply.
I decided to put it in the main rig to see how it would do. It blew me away. Drove the L600's to higher spl than I thought possible and didn't seem to break a sweat. Bass was plentiful, mids were excellent w/little coloration and the highs were present in spades. On it's own it sound like a really great amplifier. (within the constraints of the power output)
But then I hooked the XA25 up and well...........not really fair to compare a $5500 amp to a $359 amp.
I will say the differences while noticeable and the XA25 being sublime in every category the similarities were eye opening.
The ACA as a stereo amp has a damping factor of 10 the XA25 100. But the quality and quantity of the bass was closer than the numbers would suggest.
The highs of the ACA were less precise and more smeared than the XA25. Lower mid the XA25 had more bloom and substance.
Had I not compared the ACA directly with the XA25...........the ACA, especially as mono's, could have been a main rig contender.
The conclusion is the ACA is a superb amp by any standard (unless you are needing high spl or have a very large room).
This Fall/Winter I'll be building a mono pair and I've heard the mono's are better than the stereo version.
Some pics for fun.
H9
P.s. the above was for fun. Scale and dynamics were a bit lower than one might want, but I was listening at normal to mid level output and it filled the room with rich, open sound. Is the amp going to recreate the canon shot on the Telarc disc? No.
It has excellent bass, better than the other 2 amps I use in my office rig. I ended up having to do add some upgraded parts to the dac and pre I use to keep up. I installed discrete op-amps in a couple pieces which yielded even better sound.
This is an 8-9 wpc single ended class A amp using a 24V 5A switching power supply.
I decided to put it in the main rig to see how it would do. It blew me away. Drove the L600's to higher spl than I thought possible and didn't seem to break a sweat. Bass was plentiful, mids were excellent w/little coloration and the highs were present in spades. On it's own it sound like a really great amplifier. (within the constraints of the power output)
But then I hooked the XA25 up and well...........not really fair to compare a $5500 amp to a $359 amp.
I will say the differences while noticeable and the XA25 being sublime in every category the similarities were eye opening.
The ACA as a stereo amp has a damping factor of 10 the XA25 100. But the quality and quantity of the bass was closer than the numbers would suggest.
The highs of the ACA were less precise and more smeared than the XA25. Lower mid the XA25 had more bloom and substance.
Had I not compared the ACA directly with the XA25...........the ACA, especially as mono's, could have been a main rig contender.
The conclusion is the ACA is a superb amp by any standard (unless you are needing high spl or have a very large room).
This Fall/Winter I'll be building a mono pair and I've heard the mono's are better than the stereo version.
Some pics for fun.
H9
P.s. the above was for fun. Scale and dynamics were a bit lower than one might want, but I was listening at normal to mid level output and it filled the room with rich, open sound. Is the amp going to recreate the canon shot on the Telarc disc? No.
heiney9
7 ·
Re: Post a picture.....any picture...part deux...
Brings back memories! My first kit was a short wave receiver. I was 12. My uncle helped me.
SCompRacer
5 ·
Re: Snub Way road test
I was really hoping DK would review these devices with graphs and charts, when they were first talked about by Tom. I didn't know about his illness.
Hermitism
3 ·
Re: Post a picture.....any picture...part deux...
I'd have that same S.E. grin on my face if I had nabbed a pristine W-4AM, as that fellow (almost a Don Adams look-alike?!) has done.SCompRacer wrote: »Brings back memories! My first kit was a short wave receiver. I was 12. My uncle helped me.
It'd be an even bigger grin had I snagged a pair of them. 
source: https://www.worldradiohistory.com/Archive-Catalogs/Allied-Catalogs/Heathkit 1958.pdf
mhardy6647
4 ·
Re: Snub Way road test
I don't think the MC and SW will fit in the same wall outlet due to their size.
Just tested in my outlet, you are absolutely correct.
This is why I ask these questions!
There is always something pretty damn obvious that seems to never occur to me!
Upstatemax
1 ·
