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- From: elmquist@pez.ssesco.com (Chris Elmquist)
- Subject: Re: Velodyne ULD-12 hums - why, and can it be fixed?
- Message-ID: <C03DKM.M8z@ssesco.com>
- Sender: news@ssesco.com
- Organization: SSESCO
- References: <18992@mindlink.bc.ca> <1992Dec29.203034.9337@news.ysu.edu>
- Date: Wed, 30 Dec 1992 21:41:09 GMT
- Lines: 26
-
- In article <1992Dec29.203034.9337@news.ysu.edu> lou@yfn.ysu.edu (Lou Anschuetz) writes:
- >Mike Benna (Mike_Benna@mindlink.bc.ca) wrote:
- >: > Cal Lott writes:
- >: >
- >: > Is the sound coming from the woofer itself? If so, it is
- >: > possible that the active servo circuit of the Velodyne thinks that it
- >: > is receiving an input signal.
- >
- >: Yes, it is. From what you say it sounds like this is an abnormal "feature"
- >: and I should get it repaired.
- >Curious :-) I have a Velodyne F1000, and it too hums (softly)
- >when all else is off and/or disconnected. I think I've convinced
- >myself that it is the servo motor - which normally you would never
- >hear during actual sound production. BTW, hearing this requires
- [ deletions ]
-
- Could this be the transformer in the power supply ? The plates are sometimes
- loose and can vibrate when 60 Hz is applied... Just a thought...
-
-
-
- --
- Chris Elmquist, N0JCF
- elmquist@SSESCO.com
- 73267.2711@Compuserve.com
- (612)342-0003@work (8am-5pm CST6CDT)
-