Arc PSM for dummies
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,358
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From: WA State
Arc PSM for dummies
Hoping we can get some dialogue out in the open about running this thing.
If you guys are willing to discuss what does what and how tos, I can keep this first post updated with the info. Who knows when Arc will or if they will release a manual for us dummies. LOL
I don't want this to turn into a you're all too dumb to use this, so please keep the information helpful.
Frequencies explained: https://www.hdforums.com/forum/audio...l#post15908548
I'll start with some basic questions:
1. Amp:
a. Do you need to set your amp gains first? Yes
b. Do you set your amp to low, full or high pass? Recommended full pass
c. Do you adjust the crossovers on the amp or use the PSM to control that? PSM
2. PSM:
a. What is the output tab for?
b. What is gain for? Gain determines how much of a certain frequency is added or removed. Gain is the vertical axis on the EQ graph, and the taller it is, the more of that frequency is being added
c. What is the freq for? This determines which frequency the band affects, or in most cases where the Q determines that a range of frequencies will be affected, where the center of the frequency range is
d. What is the Q for? Q determines how wide or narrow the EQ band is. A setting of 0 will pretty well encompass the entire spectrum (depending on your gain) while a setting of 10 will only affect a very small range of frequencies
e. What are you guys using as starting Freqs?
f. How do you determine your input voltage?
g. What's better, high or low level inputs? General consensus so far is high level inputs using the supplied Arc harness reduces noise floor.
h. My speakers thump when the PSM starts. On the setup tab, play around with the turn on delay
If you guys are willing to discuss what does what and how tos, I can keep this first post updated with the info. Who knows when Arc will or if they will release a manual for us dummies. LOL
I don't want this to turn into a you're all too dumb to use this, so please keep the information helpful.
Frequencies explained: https://www.hdforums.com/forum/audio...l#post15908548
I'll start with some basic questions:
1. Amp:
a. Do you need to set your amp gains first? Yes
b. Do you set your amp to low, full or high pass? Recommended full pass
c. Do you adjust the crossovers on the amp or use the PSM to control that? PSM
2. PSM:
a. What is the output tab for?
b. What is gain for? Gain determines how much of a certain frequency is added or removed. Gain is the vertical axis on the EQ graph, and the taller it is, the more of that frequency is being added
c. What is the freq for? This determines which frequency the band affects, or in most cases where the Q determines that a range of frequencies will be affected, where the center of the frequency range is
d. What is the Q for? Q determines how wide or narrow the EQ band is. A setting of 0 will pretty well encompass the entire spectrum (depending on your gain) while a setting of 10 will only affect a very small range of frequencies
e. What are you guys using as starting Freqs?
f. How do you determine your input voltage?
g. What's better, high or low level inputs? General consensus so far is high level inputs using the supplied Arc harness reduces noise floor.
h. My speakers thump when the PSM starts. On the setup tab, play around with the turn on delay
Last edited by SgtMic; Jun 4, 2017 at 07:17 PM.
Advanced
Joined: Jul 2016
Posts: 97
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From: Mitten
I set my amp with a SMD DD-1 (Steve Meade Designs Distortion Detector) before I connected any speakers, set your amp to HPF, x-overs where you like, for me 100 didn't cut it, I'm at 90hz, then play with the settings on the PSM until you find what sounds good to you. I'm still trying to figure this thing out too :-( we'll get it one day :-)
Ultimate HDF Member
Joined: Mar 2015
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From: TEXAS
Originally Posted by catdaddy6968
I set my amp with a SMD DD-1 (Steve Meade Designs Distortion Detector) before I connected any speakers, set your amp to HPF, x-overs where you like, for me 100 didn't cut it, I'm at 90hz, then play with the settings on the PSM until you find what sounds good to you. I'm still trying to figure this thing out too :-( we'll get it one day :-)
T.
Thread Starter
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Outstanding HDF Member
Joined: Apr 2009
Posts: 2,358
Likes: 53
From: WA State
That's where I'm at.
Road Warrior
Joined: Dec 2012
Posts: 1,690
Likes: 246
From: Lakeville, MN
I've done significant screwing with the Qs. Some are low, some are high. Point being, every time I make a change, I save the previous version and I can always go back to the last known successful tune. I can chase the perfect sound and completely screw something up without even realizing what I did and all I have to do is go back to the last best baseline I had and start from there. As Matt and Todd have stated, all amps are running full pass and I control output balancing from the DSP.
I've also run the PSM both ways...low level and hi level. I've found that for my ear, high level inputs to the PSM serve me better. In fact I found a pretty significant difference between the two setups and I prefer the high level inputs to the DSP.
I've also run the PSM both ways...low level and hi level. I've found that for my ear, high level inputs to the PSM serve me better. In fact I found a pretty significant difference between the two setups and I prefer the high level inputs to the DSP.
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From: Mitten
What did you select for your voltage ????
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Road Captain
Joined: Feb 2016
Posts: 721
Likes: 204
From: Jerseyville, IL
High Level into PSM with Arc Harness with the resistors in it. Running 2V input into the PSM. Moto 600.4 Gains turned nearly all the way down and making adjustments via the master gain and outputs on PSM.
The Arc Harness really cut the floor noise to a minimum. It's still there, but I suspect that may be because I have the Ultra Flash and my rear outputs may be causing the noise even though fade is all the way forward.
Definite improvement in sound quality though with the Arc Harness. I couldn't get it to sound right with the LOC or the high level without the Arc.
This is without bike running though. Going to ride today to see how it sounds and make adjustments if needed.
The Arc Harness really cut the floor noise to a minimum. It's still there, but I suspect that may be because I have the Ultra Flash and my rear outputs may be causing the noise even though fade is all the way forward.
Definite improvement in sound quality though with the Arc Harness. I couldn't get it to sound right with the LOC or the high level without the Arc.
This is without bike running though. Going to ride today to see how it sounds and make adjustments if needed.