AMPS Class D versus Class A/B - Road Glide Forums
Audio List your speakers and audio solutions for the roadglide.

Reply
 
LinkBack Thread Tools Display Modes
post #1 of 20 (permalink) Old 11-03-2015, 10:07 AM Thread Starter
Life Member
 
wevsspot's Avatar
 
Join Date: May 2015
Location: God's Country
Posts: 1,740
Garage
AMPS Class D versus Class A/B

I'll preface this post by saying that through my life (52 years young ) I've done many many head unit, amp, speaker, subwoofer installs in my time. However, I'm new to the motorcycle audio upgrade crowd. I understand the fundamental differences in heat and power draw / switching circuitry between the various AMP classes and the affect that high current draw can have on a motorcycle charging system.

I've got a 2015 Road Glide that I'm considering amping up over the winter and I'm going to take a less traveled road than those willing / able to spend $300 - $400 dollars on an amp, and even those that swear the RF PBR300 series is the best motorcycle AMP for the money.

So with that being said, please resist the temptation to recommend Biketronics, JL or JM systems

Most of the AMPS I'm considering are class D such as;

Kenwood XR400-4 eXcleon



Alpine MRV-F300



Soundstream PN2.350D




But I've also ran across an interesting class A/B AMP from JBL;

JBL GX-A602
It's a smallish AMP rated at 85W RMS x2 2 Ohm, but again it is a class A/B amp.

What are the compelling reasons why I wouldn't choose a small A/B class AMP (like the JBL GX-A602) over one of the Class D AMPS I noted above?

Of the AMPS I listed which one would you choose?

This is a simple project, I can't spend $1000s of dollars to achieve my end results, I'm not going to any audio competitions and I don't need to have the loudest audio on the block. Just an improvement over stock.

I don't anticipate ever running a 4-speakers setup, so the AMP is strictly to power two 6.5" fairing speakers (JBL GTO638) that I may upgrade down the road to Kappas, Hertz or something else.

Thanks for the education and input.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Last edited by wevsspot; 11-03-2015 at 12:40 PM.
wevsspot is offline  
Sponsored Links
Advertisement
 
post #2 of 20 (permalink) Old 11-03-2015, 10:27 AM
Life Member
 
Big_gary's Avatar
 
Join Date: Dec 2010
Location: GA.
Posts: 8,008
Garage
I'm very happy with the SS pn nano line. Had problems with the RF 300x2.
The ab amps will sound richer than the class D amps but run a lot hotter.

2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
Big_gary is online now  
post #3 of 20 (permalink) Old 11-03-2015, 12:43 PM Thread Starter
Life Member
 
wevsspot's Avatar
 
Join Date: May 2015
Location: God's Country
Posts: 1,740
Garage
Thanks BG. So your recommendation would be to stay away from A/B class AMPS..... even the lower power versions?


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
wevsspot is offline  
 
post #4 of 20 (permalink) Old 11-03-2015, 01:36 PM
Life Member
 
Big_gary's Avatar
 
Join Date: Dec 2010
Location: GA.
Posts: 8,008
Garage
Quote:
Originally Posted by wevsspot View Post
Thanks BG. So your recommendation would be to stay away from A/B class AMPS..... even the lower power versions?
It depends on where you live, how much you ride and how much you listen to the tunes.

2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
Big_gary is online now  
post #5 of 20 (permalink) Old 11-03-2015, 02:59 PM
Member
 
Join Date: Dec 2014
Location: westford mass.
Posts: 590
Jl audios hx280/4 is a class D amp bridged=140 per channle can not beat that and it is JL quality.
dozer23 is offline  
post #6 of 20 (permalink) Old 11-03-2015, 03:25 PM Thread Starter
Life Member
 
wevsspot's Avatar
 
Join Date: May 2015
Location: God's Country
Posts: 1,740
Garage
Quote:
Originally Posted by Big_gary View Post
It depends on where you live, how much you ride and how much you listen to the tunes.
Northwest Arkansas - high 90s in the heat of the summer

One or two days a week when the weather permits and an extended weekend or week about once a year (think Sturgis or similar)

Always listening to tunes when riding.

I found another possible class D candidate;

Cerwin-Vega B2.......


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
wevsspot is offline  
post #7 of 20 (permalink) Old 11-03-2015, 04:05 PM
Member
 
Join Date: Dec 2014
Location: westford mass.
Posts: 590
Not sure what kind of money you can spend but the jl hx280/4 can be had for 179.00
dozer23 is offline  
post #8 of 20 (permalink) Old 11-03-2015, 04:21 PM
Grey beard
 
James's Avatar
 
Join Date: Sep 2015
Location: Wichita KS
Posts: 990
Cerwin-Vega B2 gets good reviews on CB forum.
James is offline  
post #9 of 20 (permalink) Old 11-03-2015, 06:38 PM
JMJOHN
 
JMJOHN's Avatar
 
Join Date: Oct 2010
Location: Tucson AZ
Posts: 980
decent amplifier here also JAMP-330HR15 Product Information ,,,,, relatively low current draw with high RMS power output ,,,, well shielded against FM radio interference and all plug-n-play ,,,,,,,

JMJOHN ----
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
JMJOHN is offline  
post #10 of 20 (permalink) Old 11-04-2015, 11:39 AM Thread Starter
Life Member
 
wevsspot's Avatar
 
Join Date: May 2015
Location: God's Country
Posts: 1,740
Garage
Quote:
Originally Posted by dozer23 View Post
Not sure what kind of money you can spend but the jl hx280/4 can be had for 179.00
Where at?


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
wevsspot is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Road Glide Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Andrews 54 versus SE259E PAC MAN Engine Related 5 03-10-2012 09:04 AM
soft versus vented lowers- FIGHT! Govdog76 Aftermarket Accessories 18 02-26-2012 04:17 PM
TV-3 versus PC-V with Auto Tune cleanrider ECM/Fuel Management systems 6 05-13-2011 12:14 PM
2011 with 103 versus Ultra - Comparison List G Road Glide Specific Discussions 9 01-04-2011 11:05 AM
C&C Sport Tour versus Sundowner HDVENTURE Seating: seats, backrests 9 12-12-2010 03:14 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome