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FDP Forum / Miscellaneous and Non-Fender Topics / Power Conditioners anyone?



Aug 30th, 2019 09:31 PM   Edit   Profile  

I played an outdoor venue yesterday and got a lot of random noise through my new Allen amp. The amp is dead quiet at home. Just wondering if a power conditioner could've prevented this problem. Do these things work? Are they worth the money? Any help would be appreciated.
Thanks in advance!

Contributing Member

USA/Taos, NM

Aug 31st, 2019 06:51 AM   Edit   Profile  

Congratulations on being an Allen amp owner--great amps (I've got two of 'em).

I use mine with a Furman power conditioner, for protection as well as power consistency. I'm not totally sure what the Furman will do (or does) for noise problems. That's not in my experience. We live in an area where the power is not super reliable and consistent. So I've incorporated the Furman into my rig and I think it helps the sound of the amp with a cleaner delivery of power.

That's the best I can do for you. Hopefully someone else can chime in with something more specific.



Aug 31st, 2019 09:49 AM   Edit   Profile  

There are a lot of things that could have contributed to this problem.

Dirty power (did anyone else have this problem besides you?).
Bad grounding, or ungrounded outlets. (This can do a lot.)
Bad guitar cord(s).
Single coil pickups.
The way that everything was connected, including if you were using any pedals and if they were non-battery powered.

Some of the less expensive Furman power strips are not super high tech.
They have an RFI filter inside, and maybe a surge protector.
I don't know how much they would help, they might.
They are not to be confused with some of the more expensive units, some of which also offer voltage regulation.

I have two of the less expensive Furman strips that have a couple of pull out lights, a row of LEDs for the AC input, and 8 or so outlets.
The main reason I use them is it's convenient to plug the amp and DC supplies and wall warts into one master source/switch.
I'm not sure how much they help with any noise at home. But gounding the outlets has solved some noise problems.

Contributing Member

Wichita, KS USA

Retired April 26, 2019
Sep 2nd, 2019 05:01 AM   Edit   Profile  

I use a rack mounted Furman in both racks mainly to protect against power surges or spikes but they also have filters and regulate voltage. Cheap insurance when you consider what they protect.



Sep 2nd, 2019 11:05 AM   Edit   Profile  

jhawkr: Which model Furmans do you use?

Contributing Member

Wichita, KS USA

Retired April 26, 2019
Sep 3rd, 2019 04:09 PM   Edit   Profile  

The one downstairs in my 16 channel Mackie rack is an RP-8L. The one in the newer Mackie DL1608 rack is quite a bit newer and is similar but I think the model number is different. It is currently locked up in a trailer in a band mates garage. They are fairly basic models and I’m sure I didn’t pay more than $100 for either. Probably bought on sale because that’s the way I buy most all gear.

Moderator Emeritus
(with many stars)

Come at me bro.

Sep 3rd, 2019 04:31 PM   Edit   Profile  

I used a Furman back in the 80's when I had rack-mounted effects.

Playing large outdoor events with diesel generator power was noisy regardless.

Contributing Member

If irritation occurs

discontinue use.
Sep 4th, 2019 07:08 AM   Edit   Profile  

Most Furman stuff you find at GC, MF, and Sweetwater is not really a power conditioner; it's a power strip with a surge protector at least, and a most do have RF filtering.

The EMI filtering they tout does nothing for any gear that's plugged into it because EMI affects everything in the circuit including the gear you've got plugged in. A power strip cannot provide EMI protection for anything downstream.

A true power conditioner monitors the incoming AC power and makes corrections to the AC waveform to keep it as smooth as possible. These types of devices are much more expensive.

It is crap marketing on Furman's part to call their consumer-grade products "power conditioners." That's not what they are.

They're rack-mount power strips with surge protection, RF filtering, and a circuit breaker. Some have more blinky lights and perhaps an LED panel to show incoming AC voltage, but that does nothing to protect your gear or "condition" the power supply.



Sep 4th, 2019 09:18 AM   Edit   Profile  

jhawkr: ".......but they also have filters and regulate voltage."

To add to what Peegoo said...and not to get picky......
I'd bet that your power strips do not provide any regulation.

I have two Furmans, I don't know the specific models, but one of them might be the same as what you called out.
I also bought them for cheap, probably between $30-40 used.
I took them both apart in the interest of research and general snooping around.
I was surprised at how little was in them.

A master switch, 8 outlets, pull out lights on one, some varistors/spike protectors, an RFI/EMI filter module, one of them has a row of LEDs across the front indicating the AC voltage, and the convenience of rack mounting.
Probably worth the in store prices, or certainly what you can get them for used, when you add it all up.

But a strip/device to actually perform voltage regulation will run a lot more.

Also, my gut feel is that line noise may be the least of your/our worries, when you consider all of the crap floating around in the air.

Contributing Member

Wichita, KS USA

Retired April 26, 2019
Sep 4th, 2019 11:39 AM   Edit   Profile  

I think the cheap, consumer grade crap Furman does what I expect and goes further with noise reduction. 1st, offer some protection against spikes. Pretty sure the $6.99 surge strip at Walmart isn’t,t going to do the job. I feel comfortable with the Furman and to this point have not had noise issues. Of course, I’ve always had a Furman in the rack so maybe all the power here is just fine on it’s own. ;^)


FDP Forum / Miscellaneous and Non-Fender Topics / Power Conditioners anyone?

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