What class is this amp.

a lot of the really hardcore audiophiles who were into top tier car audio went their separate ways. robert zeff from zapco helped arc audio. the lead from precision power moved to JL. the lead from phoenix gold lives about 30 min from me and cruises around in a smartcar and lives a very low carbon footprint life. brilliant guy.
morel still has their old talent
dynaudio does as well
scanspeak was one of the only scandinavian brands to survive and adopt the raw driver market
even brands like bowers and wilkins moved entry level production to china. all the 6 series speakers stopped being made in england around 2007. now you have to really spend to get the english made stuff
a lot of the really hardcore audiophiles who were into top tier car audio went their separate ways. robert zeff from zapco helped arc audio. the lead from precision power moved to JL. the lead from phoenix gold lives about 30 min from me and cruises around in a smartcar and lives a very low carbon footprint life. brilliant guy.
morel still has their old talent
dynaudio does as well
scanspeak was one of the only scandinavian brands to survive and adopt the raw driver market
even brands like bowers and wilkins moved entry level production to china. all the 6 series speakers stopped being made in england around 2007. now you have to really spend to get the english made stuff
Wish i knew more about the gut's of amp's and i would attempt to take pic's of gut's of my GT-42 for the amp guys on here to peek at and point out the good and or bad..
This is so addicting...
Wish i knew more about the gut's of amp's and i would attempt to take pic's of gut's of my GT-42 for the amp guys on here to peek at and point out the good and or bad..
This is so addicting...

the JL slash amps have that sound. the v2 and v3 are the good ones. they aren't perfect up top and can have a slightly off midrange at times but they are really good for 2017 amps. sound like old PPI.
the audison thesis is magic. insanely good. i wish i knew more about that brand because i have heard some amps i liked and others i didn't in the lower end.
refurbishing older amps really isn't a bad idea. if i didn't have the slash 300/4v3 and 600/1v3 i would consider finding older amps i liked and just going through them. a lot of new gear is clean but they just don't have that hi-fi sound
btw car audio mcintosh amps aren't really that crazy expensive used. i have never heard one more than briefly but would buy on their name alone. i have never heard a bad mac amp
Last edited by racebum; Aug 19, 2017 at 02:30 PM.
the JL slash amps have that sound. the v2 and v3 are the good ones. they aren't perfect up top and can have a slightly off midrange at times but they are really good for 2017 amps. sound like old PPI.
the audison thesis is magic. insanely good. i wish i knew more about that brand because i have heard some amps i liked and others i didn't in the lower end.
refurbishing older amps really isn't a bad idea. if i didn't have the slash 300/4v3 and 600/1v3 i would consider finding older amps i liked and just going through them. a lot of new gear is clean but they just don't have that hi-fi sound
btw car audio mcintosh amps aren't really that crazy expensive used. i have never heard one more than briefly but would buy on their name alone. i have never heard a bad mac amp
The Best of Corvette for Corvette Enthusiasts
And now the Boston GT-42 ( made in italy) is back in veh and im running channel 3-4 bridged for sub..
Dam it blows away the GT-2200 for my ear's.. Saw a old post somewhere a year ago and it said it most def will put out more power than rated too...
Back near 2011 there were some debate on audio forums if the indonesia one's were as good that had the black end cap's ,,but was always a debate... I feel not !!!
Oh, I fixed the whine i had coming thru speaker.. I ran my own ground from head unit and back to the amp's ground point and all good now..
Last edited by carls2004; Sep 2, 2017 at 04:49 PM.
The Boston GT amps have always been great. I have an Italian 4 channel running my cherokee's system and it surprises me whenever i turn it up.
Last edited by daverulz; Sep 7, 2017 at 04:01 PM.
I almost bid on one that was on ebay recently just to have a back up,,, but i didnt.. Then i saw it sold for just over 140. dollars. Wish i grabbed it up now..
Last edited by carls2004; Sep 8, 2017 at 01:34 PM.
I am currently using 2 Arc Audio KS 300.4s They seem to work as intended and I expect my audio to improve with the installation of the Alpine. Unfortunately I will be laid up for several weeks starting in Oct, so my Alpine will not get installed for a while
Jeff - the arcs are great amps. So long as they suit your configuration I wouldn't even think about replacing them.
I am currently using 2 Arc Audio KS 300.4s They seem to work as intended and I expect my audio to improve with the installation of the Alpine. Unfortunately I will be laid up for several weeks starting in Oct, so my Alpine will not get installed for a while
there is a very short list of good car amps made today. the best is an audison thesis. below that there are still good choices. you have a couple of them. mcintosh car audio is good but again it's older, may need a refresh just like the amazing phoenix gold zpa amps. linear power from the 90s is very pleasing to listen to. precisio'n powers power class from the early 2000s was good. remember those big black 3ft long tunnel amps. soundstream class A also from the 90s, excellent.
i guess for new it's really audison, arc, high end zapco, JL slash series, mosconi and that's about it. JL owns what i consider entry level hi-fi. the slash 300/4v3 is about $400 if you find a good shop. you'll pay double that for a mosconi as 100.4 or zapco z150 4ch. arc i haven't kept up on and the entry level audison isn't terrible. would like to back to back it against JL for low cost options to see what i think. the audison sr4 is a $400 amp. less powerful than a slash 300/4 but it's the same price category and didn't sound that bad when i heard one
speakers are where i'm nervous. you have morel and....ummm...well...not a lot else. dynaudio obviously but they are money, nothing on the low and mid level. focal is terrible unless they are in perfect enclosures and ran through a dsp. imagine dynamics and some of the others may have good mids/tweets but it's hard to find stores that carry them. so much retail is just big brands.
nelson pass from threshold. some of the best home amps ever made wrote a piece about this trend in audio. home audio mind you. the number of people willing to pay for quality in america is small and growing smaller. some of the bigger hi fi audiences are overseas. the fall of peerless and vifa along with other quality raw driver manufacturers a decade back wasn't by accident. with a DSP you can make a lot of things sound pretty good. speaker building is a dead hobby and car audio is dying on the aftermarket level as OEMs get better and there is SO much integration. car audio is alive in the low cost market right now. few hundred dollar systems sell but even my local morel dealer said he had to look at pricing on the hybrid and elate when i was curious since they rarely sell. that's kind of sad. everyone buys the entry level or mid level like the tempo ultra {which is a great speaker for the $$}
Last edited by racebum; Sep 8, 2017 at 06:16 PM.
there is a very short list of good car amps made today. the best is an audison thesis. below that there are still good choices. you have a couple of them. mcintosh car audio is good but again it's older, may need a refresh just like the amazing phoenix gold zpa amps. linear power from the 90s is very pleasing to listen to. precisio'n powers power class from the early 2000s was good. remember those big black 3ft long tunnel amps. soundstream class A also from the 90s, excellent.
i guess for new it's really audison, arc, high end zapco, JL slash series, mosconi and that's about it. JL owns what i consider entry level hi-fi. the slash 300/4v3 is about $400 if you find a good shop. you'll pay double that for a mosconi as 100.4 or zapco z150 4ch. arc i haven't kept up on and the entry level audison isn't terrible. would like to back to back it against JL for low cost options to see what i think. the audison sr4 is a $400 amp. less powerful than a slash 300/4 but it's the same price category and didn't sound that bad when i heard one
speakers are where i'm nervous. you have morel and....ummm...well...not a lot else. dynaudio obviously but they are money, nothing on the low and mid level. focal is terrible unless they are in perfect enclosures and ran through a dsp. imagine dynamics and some of the others may have good mids/tweets but it's hard to find stores that carry them. so much retail is just big brands.
nelson pass from threshold. some of the best home amps ever made wrote a piece about this trend in audio. home audio mind you. the number of people willing to pay for quality in america is small and growing smaller. some of the bigger hi fi audiences are overseas. the fall of peerless and vifa along with other quality raw driver manufacturers a decade back wasn't by accident. with a DSP you can make a lot of things sound pretty good. speaker building is a dead hobby and car audio is dying on the aftermarket level as OEMs get better and there is SO much integration. car audio is alive in the low cost market right now. few hundred dollar systems sell but even my local morel dealer said he had to look at pricing on the hybrid and elate when i was curious since they rarely sell. that's kind of sad. everyone buys the entry level or mid level like the tempo ultra {which is a great speaker for the $$}
The raw driver market is still alive. Just from different players. Tympany still makes the popular pPeerless and Vifa drivers. Tang band has some very compelling offerings too. I've used the Dayton reference line, and they have blown people away with how good they sound, especially when you consider the price and they have other lines of speakers that are intriguing as well (Esoterics look a lot like dyns). There are more boutique speaker manufacturers now too.
You have Scott Buwalda's Hybrid Audio Technologies and Andy Weinheimer's Audio Frog drivers which both have some pretty fantastic offerings. Also some cool subs from stereo integrity. For amps you have Stephen Mantz's Zedd Audio, Zuki Audio, as well as stand out performers from a lot of the "lower end" manufacturers who just happen to get it right.
Does anyone buy this stuff retail anymore? I honestly do all my buying online now. There is such a wealth of information in the DIY community about drivers that it's pretty easy to find one that's going to do exactly what I want it to without hearing it first.
After chasing high end sound for years I finally came to the realization that the key to enjoying car audio for me was not to chase the most expensive or esoteric gear, but to seek out value. Get 95% of the performance for a quarter of the price. The key to that was choosing decent amplification, good raw drivers, and using a DSP. Because no matter how good it sounds sitting still, it all pretty much goes out the window (or the targa in the case of the Vette) once you start moving.
I still build my own home speakers too
I guess I'm a dying breed.















