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#346723 - 04/30/11 01:38 PM My poor EP500! Is it dead?
Zak Offline
buff

Registered: 01/13/08
Posts: 53
Loc: Calgary, Alberta
I was watching a DVD movie last night at moderate levels when I noticed a strange clipping noise coming from the right side of the room.
At first I thought it was part of the movie, but then I quickly realized that it was actually the EP500 creating these strange clipping noises!

I immediately stopped the movie and I could clearly hear a loud buzzing sound coming from the EP500.
I turned the sub switch to "off" and I removed the line-in cable from the back of EP500.
I waited a few seconds and then I turned the sub switch back to "on".
The EP500 made a loud pop,the green light turned off, and I could smell something burning.
I turned the sub switch "off" and I unplugged the unit for 15 minutes but it will no longer power on. frown

Do you think this could be a fuse issue?
Is the amp fried?

This is an EP500 v2 unit that I purchased new in February of 2008.
The unit has had no problems up until now.

I'm going to call Axiom now but I was just reading a post about these new "digital" replacement amps for these units.
Can someone shed some light on these new amps?

Thanks,
Zak
_________________________
Panasonic TC-P65V10 65" Plasma
Sony KDL-55XBR8 55" LED LCD
Yamaha RX-V3800
Axiom Epic 60 - 500 (7.1)

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#346724 - 04/30/11 01:46 PM Re: My poor EP500! Is it dead? [Re: Zak]
SirQuack Offline
shareholder in the making

Registered: 01/29/04
Posts: 13344
Loc: Iowa
As you mentioned, call Axiom's 800 number, one of the techs;Alan, JC, or Brent will help and be able to answer your other questions. It should be under warranty.
_________________________
M80s-VP180-QS8s-EP600-2xEP350 Denon3808 Outlaw7700
M22-OWM22-VP100-Denon2805
Audio Nirvana

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#346731 - 04/30/11 02:58 PM Re: My poor EP500! Is it dead? [Re: Zak]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
Originally Posted By: Zak
I was watching a DVD movie last night at moderate levels when I noticed a strange clipping noise coming from the right side of the room.
At first I thought it was part of the movie, but then I quickly realized that it was actually the EP500 creating these strange clipping noises!

I immediately stopped the movie and I could clearly hear a loud buzzing sound coming from the EP500.
I turned the sub switch to "off" and I removed the line-in cable from the back of EP500.
I waited a few seconds and then I turned the sub switch back to "on".
The EP500 made a loud pop,the green light turned off, and I could smell something burning.
I turned the sub switch "off" and I unplugged the unit for 15 minutes but it will no longer power on. frown

Do you think this could be a fuse issue?
Is the amp fried?

This is an EP500 v2 unit that I purchased new in February of 2008.
The unit has had no problems up until now.

I'm going to call Axiom now but I was just reading a post about these new "digital" replacement amps for these units.
Can someone shed some light on these new amps?

Thanks,
Zak


Buzzing followed by popping, electrical burning smell and no power to power to unit all points to the amp frying because of some defect. Its done. You might have blew the fuse on the unit as well for its own protection so make sure to check that too. But first you will need a new amp so call Axiom and talk to their support staff and also inquire about the correct fuse if you need one. Leave the sub unplugged from the electrical outlet in the meantime.
_________________________
I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne

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#346735 - 04/30/11 03:16 PM Re: My poor EP500! Is it dead? [Re: BlueJays1]
jakewash Offline
shareholder in the making

Registered: 12/26/03
Posts: 10400
Loc: Calgary, Alberta
That you could smell something burning is the clincher, I am quite certain yu will be requiring a new amp, hopefully you will get the new updated amp under warranty.
_________________________
Jason
-----------------
TTTHHHPPPPPTTTT!

My HT

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#346783 - 05/01/11 10:14 AM Re: My poor EP500! Is it dead? [Re: jakewash]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
Definitely sounds like a blown amp. I wouldn't count on getting a newer model amp, at least not from my personal experience. After 3 years they will possibly send you a refurbished unit or repair yours if possible as opposed to sending you a newer updated model.

That being said, they will make sure that you are taken care of and back up and running as quickly as possible.
_________________________
-David

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#347797 - 05/10/11 10:29 PM Re: My poor EP500! Is it dead? [Re: Zak]
Zak Offline
buff

Registered: 01/13/08
Posts: 53
Loc: Calgary, Alberta
I received my new v3 replacement amp on Friday afternoon and I swapped it out on the weekend.
The new amp came in it's own crate which was pretty cool.
I felt like I was opening the Ark from Indiana Jones. grin

The new amp seems to be working fine but it doesn't have the same 'RAW' power as the original.

My old amp had the following settings and it would shake the entire room:
- Volume at 9 O'Clock
- Crossover at 150/Bypass
- Trim at Flat
- Sub speaker level -7db (Yamaha)
- Crossover at 80hz (Yamaha)
- Front speakers small (Yamaha)
- LFE out: sub only (Yamaha)

The new amp has the following settings and I can hardly feel it:
- Volume at 10 O'Clock
- Crossover at 150/Bypass
- Subsonic Filter (Off?)
- Sub speaker level at +3db (Yamaha)
- Crossover at 80hz (Yamaha)
- Front speakers small (Yamaha)
- LFE out: sub only (Yamaha)

Does anyone have any tips on configuring this new amp?
I can't find an updated manual for this amp on the Axiom page.

Are my settings ok?
Any suggestions?

Thanks!

The new amp in it's custom crate (The Ark of Axiom)




Comparing the new v3 amp (left) to the old v2 amp



Edited by Zak (05/10/11 10:49 PM)
_________________________
Panasonic TC-P65V10 65" Plasma
Sony KDL-55XBR8 55" LED LCD
Yamaha RX-V3800
Axiom Epic 60 - 500 (7.1)

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#347798 - 05/10/11 10:44 PM Re: My poor EP500! Is it dead? [Re: Zak]
BlueJays1 Offline
connoisseur

Registered: 09/19/08
Posts: 4082
Loc: Porch,enjoying Bombay Sapphire
This is a common complaint between these two set of amps that have the subsonic filter and the older one that incorporates a trim feature.

You have done a good job at turning the subwoofer pre-out up on the receiver end. Now, turn up the control on the back of the sub past 10.
_________________________
I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne

Top
#347799 - 05/10/11 10:47 PM Re: My poor EP500! Is it dead? [Re: BlueJays1]
terzaghi Offline
connoisseur

Registered: 04/04/07
Posts: 4848
Loc: Tulsa, Oklahoma
Yeah, axiom really packs their amps well! Enjoy your new amp
_________________________
-David

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#347804 - 05/10/11 11:09 PM Re: My poor EP500! Is it dead? [Re: Zak]
JohnK Offline
shareholder in the making

Registered: 05/11/02
Posts: 10412
Zak, I also am one EP500 owner who finds that the trim control is useful in other than the largest rooms. The subsonic filter on the newer version has no similar function and generally should be left off unless some subsonic problem(e.g., warped LPs)is present.

The calibration of the volume control was changed so that it didn't "open up" so quickly. Therefore a higher setting is necessary to allow the same voltage in to be amplified. This doesn't mean that the newer amplifier has less maximum power than the older one, just that a higher setting is needed to reach a given loudness level.

If your reference to "Yamaha" in your list of settings means that you used its auto-calibration, then the sub level should be the same as it was before if you had used the Yamaha before to set levels.
_________________________
-----------------------------------

Enjoy the music, not the equipment.



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#347807 - 05/10/11 11:21 PM Re: My poor EP500! Is it dead? [Re: JohnK]
Zak Offline
buff

Registered: 01/13/08
Posts: 53
Loc: Calgary, Alberta
Originally Posted By: JohnK
If your reference to "Yamaha" in your list of settings means that you used its auto-calibration, then the sub level should be the same as it was before if you had used the Yamaha before to set levels.


Hi John!
I calibrated my system using an analog Radio Shack SPL meter and a tripod.
I used the test tone from my Yamaha receiver and then adjusted the individual speaker levels +/- decibels via the Yamaha menu so that all speakers had matching levels on SPL meter (75db).

I ran the calibration with the new sub amp and I had to bump the sub speaker level via Yamaha menu from -7db to +3db to get the same output as old amp.
_________________________
Panasonic TC-P65V10 65" Plasma
Sony KDL-55XBR8 55" LED LCD
Yamaha RX-V3800
Axiom Epic 60 - 500 (7.1)

Top
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