#1
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Magnepan MMG, panel odor
I lent my MMGs to my brother in law over weekend and he called me and tells me he's getting an odor from the panels. He says its not a burning smell but an odor nonetheless. Here's what worries me; he was driving them with an Accurus amp that is 8 ohms and is clearly underpowered. He said the amp got very hot before he turned it off. According to him, the speakers sound fine but the odor is still there. Is it possible that the speakers are permanently damaged or its just the odor from the mylar that got warm and it'll be fine. Anyone heard this before?
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#2
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kalali.......Rule #1: Don't lend gear to anyone. It will never be cared for like you take care of it. Maggies on a low powered amplifier equals a recipe for trouble.
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Dan STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113 VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A Last edited by jdandy; 04-09-2017 at 03:06 PM. |
#3
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Well, learned my lesson. Do you guys think/know if an underpowered amp can only damage the tweeter, e.g., blow the fuse I assume/hope, or it can also permanently damage the woofer area as well? I'm thinking the "odor" he's talking about is from the overheating mylar since the fuse is still apparently okay. I'm going to lose some sleep before I have it back next weekend..... I'll see if I can reach out to Wendell tomorrow and ask him too. Thanks for the input.
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#4
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Don't sweat it until you get them back and can hook them up. Life is too short.
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Main Equipment: Kharma Elegance dB11-S, JL Audio F113v2 X 2, Block Audio Line & Mono SE Amplification, Bricasti M21 DAC, Antipodes Kala K-50 Server, Clearaudio Performance SE. Satisfy tonearm & Maestro Wood MM cartridge. Power: Shunyata Everest 8000, Sigma XC v2, Sigma NR v2, Block Audio PCs, Defender, ADDPowr Wizard Grounding: Shunyata Altaira CGS - 4 X Alpha CGS cables, Network : Supra Cat 8+, Twin (Nenon) Modified Buffalo GS2016 Switches, Keces P3 LPSU, Cables: Wireworld Platinum 8 USB, Wireworld Platinum 8 Speaker cables, 6M & 1M Tubulus Concentus ICs, Other:Two PSI Audio AVAA C20, Multiple GIK products, Stillpoint Apertures, Stillpoint Minis and Ultra SS, Three 20 Amp lines, Furutech GTX - Gold outlets, Adona Rack |
#5
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Fair point.... that calls for a cocktail...
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#6
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__________________
Main Equipment: Kharma Elegance dB11-S, JL Audio F113v2 X 2, Block Audio Line & Mono SE Amplification, Bricasti M21 DAC, Antipodes Kala K-50 Server, Clearaudio Performance SE. Satisfy tonearm & Maestro Wood MM cartridge. Power: Shunyata Everest 8000, Sigma XC v2, Sigma NR v2, Block Audio PCs, Defender, ADDPowr Wizard Grounding: Shunyata Altaira CGS - 4 X Alpha CGS cables, Network : Supra Cat 8+, Twin (Nenon) Modified Buffalo GS2016 Switches, Keces P3 LPSU, Cables: Wireworld Platinum 8 USB, Wireworld Platinum 8 Speaker cables, 6M & 1M Tubulus Concentus ICs, Other:Two PSI Audio AVAA C20, Multiple GIK products, Stillpoint Apertures, Stillpoint Minis and Ultra SS, Three 20 Amp lines, Furutech GTX - Gold outlets, Adona Rack |
#7
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I would think his amp would have taken the brunt of the abuse.The capacitors and inductors are the only thing I can see getting hot on the panels.
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#8
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That's a great point. I didn't think of the crossover components being stressed. My concern was more centered around the mylar being "burnt" by the driver wire strands.
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#9
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I have driven many Magnaplaner speakers with my Acurus A200 power amps, and still drive the bass panels in my modified MGIIIa's with one. They have never even been more than warm to the touch, so something is amiss in his unit. FWIW The smell may have been with his amp and not the Maggies!
Regards, Jim
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It's all about the Music, but I sure like the way my gear makes it come alive! |
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