#1
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C2500 Turn On Problem
Turned my preamp on today and wouldn't come on. The red LED was lit under the power switch, but when touching the on button on preamp or on remote, nada...nothing. I checked to be sure the IEC plug was seated properly which it was.
I then unplugged the IEC from the back of the preamp and plugged it back in. I heard a relay click. Now the preamp turns on as it should. Is this a common problem for this preamp, and more importantly, why did it suddenly do this? |
#2
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Just a guess, but power wobble might do it. If it keeps happening, then maybe an internal issue. Is this unit hooked up to a good surge suppressor?
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#3
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stereo 5.......This is not an uncommon occurrence with microprocessor controlled components. A power glitch can temporarily cause conditions such as you experienced. Usually a hard reset, i.e. removing and restoring power to the component usually resets the microprocessor. Unless it becomes a frequent issue, it is nothing to worry about.
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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 |
#4
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sgbroimp………………
My amp and preamp are connected to a Shunyata Hydra 2 which is a passive device and non-current limiting. The IEC connector fits very snugly into the socket so I know it wasn't any kind of wobble. |
#5
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Quote:
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Paul Speakers: Von Schweikert VR-5 Anniversary MK II Front L/R, LCR-35 Center, VR-1 Rear L/R Sub: JL Audio F113 Amps: PS Audio BHK Signature 300 Mono, McIntosh MC207 Pre-Amp PS Audio BHK Signature and Gold Note PH-10 Phono Stage/PSU-10 Power Supply Turntable: VPI HR-X 12.7 TONEARM (2) and SDS, Stillpoints LPI Tape Deck Otari 5050B II2 Music Server: Aurender N100H Cartridges: Ortofon Cadenza Black, Lyra Helikon Mono Digital Source: Oppo UDP-205 DAC: Holo Audio Spring 3 KTE SSP: Marantz AV8801 Cables: Wireworld Electra 7 (P) Wireworld Silver Eclipse 7, Shunyata Delta NR (I) Wireworld Silver Eclipse 7 (S) Wireworld Platinum Starlight 7 (USB) AC Power Regeneration: PS Audio DirectStream P15 Power Plant and Shunyata Denali 6000s V2. |
#6
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Another vote, it's happened I think twice on my C2300.
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#7
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Not sure you can say that. If your power company sends a temporary drop (mine does), say a dip to 90 Volts or if there is a quick off/reset of power from a branch hitting a power line, all your stuff will probably not be able to offset that fast enough or at all............
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#8
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....one reason why I keep my system unplugged from the power when not listening to it.
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“Life is what happens to you while you’re busy making other plans” |
#9
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I enjoy a C2500 as well.
One time (and only once) I pressed the power button and nothing happened. I unplugged the unit from the AC line, waited about 20 seconds and plugged it in, and no problems since. Back when I had a MAC6700 I must have had some sort of "power blip" that corrupted the firmware; the unit would not boot up at all. I had my local dealer install the then latest firmware and all was good. Since then I've had a 1500va APC unit, to keep my PS Audio P15 powered at all times.
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McIntosh C2500 pre amp, MC452 power amp, Autonomic MMS-5A server, PS Audio P15 power plant, DirectStream DAC, DirectStream CD transport, Focal Sopra No2 speakers, JL Audio F113V2 sub woofers (2), Sennheiser HD800 headphones, Dell laptop iTunes/Tidal/Roon, Wireworld cabling |
#10
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I have the same problem with my C1100, usually two or three times a month, it doesn't turn on. I need to unplug/plug it back to make it work...
I wrote to Mcintosh, but didn't receive any feedback...
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Mac mini - McIntosh D1100 - MC601 - Kef Reference 205/2 |
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