Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!! - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 05-27-2019   #1
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Default Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Cadence QRS4.125GH Class G/H 4 Channel Amplifier 125 X 4 RMS at 4Ω

Only (2) left..



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Old 05-28-2019   #2
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

I just bought the 2nd to the last one for $115.31. It was strange, I clicked on the link again and now the the price is $318.32

Not familiar with these amps or their quality, but at that price, it was hard to pass up.
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Old 05-28-2019   #3
 
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Interesting amp
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Old 05-28-2019   #4
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Hook it up and let us know how it sounds..


Quote:
Originally Posted by HereticHulk View Post
I just bought the 2nd to the last one for $115.31. It was strange, I clicked on the link again and now the the price is $318.32

Not familiar with these amps or their quality, but at that price, it was hard to pass up.

DEH-80PRS / GENESIS SERIES III CLASS A MOD COMPACT FOUR / INFINITY PERFECT 600 & 900 / JL HD750/1 / CDT QES-1220DVC
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Old 05-28-2019   #5
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Quote:
Originally Posted by HereticHulk View Post
I just bought the 2nd to the last one for $115.31. It was strange, I clicked on the link again and now the the price is $318.32

Not familiar with these amps or their quality, but at that price, it was hard to pass up.
I was hovering over it last night when it was $107. I almost pulled the trigger on it but I've bought like 5 amps in the last month and I have to call it quits at some point.

2017 Chevy Bolt EV - Work in Progress: SS D3004/6040-10 Beryllium tweeters, SS 12mu mids, SS 18wu midbasses, SS 32w/4878T00 13" Subwoofer, SS 10F/4424 / Wavecor tw013wa01 (rear doors), SB65 (rear fill). MiniDSP C-DSP 8x12 v2 DL, Arc Audio KS 300.2 v2, Arc Audio SKS300.6 Prototype, Arc Audio KS300.4 v2
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Old 05-28-2019   #6
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Quote:
Originally Posted by GreatLaBroski View Post
I was hovering over it last night when it was $107. I almost pulled the trigger on it but I've bought like 5 amps in the last month and I have to call it quits at some point.
Never... it's called "collecting" for a reason.

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Old 05-29-2019   #7
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Definitely worth a try at $107 or even $115 but, over $200 now. Not as attractive.
Anyone heard a class G/H amplifier before? Wondering if they have any distinguishing characteristics?

Absolutely State Of The Art!
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Old 05-29-2019   #8
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Quote:
Originally Posted by PPI_GUY View Post
Definitely worth a try at $107 or even $115 but, over $200 now. Not as attractive.
Anyone heard a class G/H amplifier before? Wondering if they have any distinguishing characteristics?
Class G/H are class AB with a variable power rail. So an A/B with efficiency closer to class D. So they sound like class AB amps.

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Old 05-29-2019   #9
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Quote:
Originally Posted by PPI_GUY View Post
Definitely worth a try at $107 or even $115 but, over $200 now. Not as attractive.
Anyone heard a class G/H amplifier before? Wondering if they have any distinguishing characteristics?
Arc Audio KAR series are class G/H.

https://www.arcaudio.com/sites/defau...lass%20H_0.pdf

And there some info here to towards the bottom:GlassWolf's Pages
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Old 05-29-2019   #10
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Well... if they sound anything like the Arc KS series.. then you got yourself a nice gem there on the cheap$..

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Old 06-03-2019   #11
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Quote:
Originally Posted by jimmyjames16 View Post
Hook it up and let us know how it sounds..
So far, I am impressed. It is a significant improvement over the Kenwood X450-4 that powered the highs and mids in an active 3-way setup. The next benchmark for me and this amp is its longevity.

I was also able to fix the alternator whine I had too. Grounding the HU to the same location as the amps did the trick.
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Old 06-03-2019   #12
 
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I just grabbed the last one. How are these amps. I needed something to temporarily replace my audiocontrol 1200.6.
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Old 06-03-2019   #13
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Spoke too soon. One of the channels crapped out. I am sending it back.
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Old 06-03-2019   #14
 
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Quote:
Originally Posted by HereticHulk View Post
Spoke too soon. One of the channels crapped out. I am sending it back.<img src="https://www.diymobileaudio.com/forum/images/smilies/frown.gif" border="0" alt="" title="Frown" class="inlineimg" />
Oh man. I'm gonna try n cancel my order. Thanks for the heads up
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Old 06-29-2019   #15
 
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

Hi, thank you for sharing your opinions. For the one who created this thread, it is better to cancel the order !

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Old 06-30-2019   #16
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Default Re: Cadence QRS4.125GH Class G/H 4 Channel Amp - $117 Shipped!!

The arc Minis were class gh, and many of the Ubuy off shoots were too like wetsounds, vibe, clarion. Fine amps when they work, but they seem way more delicate than a typical a/b or good d design

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