Author Topic: Meeting Picture - IEEE Sub-sub-sub-committee on Hum  (Read 2291 times)

Offline OldiesButGoodies

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Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« on: March 10, 2013, 10:40:32 PM »
Excellent ground loop (or unequal induced current - we are not sure) discussions at this meeting today,   while consuming prodigious amount of beer, wine and chips and salsa..

We concluded that - generally speaking - it is fair to aspire to connect any Sunfire sub to a different phase from your pre and power amp, ideally a separate circuit from the next county over.  If you do that and get decent interconnects, and pray intensely for several weeks, hum may drop to very low levels.  Otherwise let it hum away for all its worth and hope for no one to notice.

Pepe

« Last Edit: March 11, 2013, 04:01:24 AM by OldiesButGoodies »

Spkr: VMPS RM40
Pre: McCormack RLD-1, Rotel 970BX Phono
Amps: Channel Islands Audio D-200 MkII 
Phono: VPI Aries 1,  Van de Hul Frog
CD: Oppo BDP-83 DAC: Young DSD DAC
Cass: Tascam 122MkII
R2R: Revox B77
Sub: Rhythmik FV 15HP

Offline Reverend

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #1 on: March 11, 2013, 08:44:51 AM »
Hum?  I didn't hear any hum...  ;)




« Last Edit: March 11, 2013, 10:28:41 AM by Reverend »

Offline thuffman03

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #2 on: March 11, 2013, 10:35:15 AM »
Thank you Pepe for inviting us to your home.  It was a very nice time!

P.S.  What hum?  I don't hear not stinking hum.
Got Carver?

Offline schwarcw

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #3 on: March 11, 2013, 10:48:07 AM »
What a great picture!

It looks like a jail break! >:D >:D >:D

I hope that you all had a great time.

We'll do one at my place real soon.

Regards,
Carl

Offline OldiesButGoodies

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #4 on: March 11, 2013, 11:11:59 AM »
It was a blast to have you over.  Watching Sterling Archer do his rampage thing while dragging a saline drip bag is always a fun team building activity.    :(|)

Spkr: VMPS RM40
Pre: McCormack RLD-1, Rotel 970BX Phono
Amps: Channel Islands Audio D-200 MkII 
Phono: VPI Aries 1,  Van de Hul Frog
CD: Oppo BDP-83 DAC: Young DSD DAC
Cass: Tascam 122MkII
R2R: Revox B77
Sub: Rhythmik FV 15HP

Offline Slim-Shaddy

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #5 on: March 11, 2013, 11:20:22 AM »
How are you liking the Emtek subs?
I am confident that an SL-1200 is capable of outperforming turntables of much higher expense with minor modification.

Offline OldiesButGoodies

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #6 on: March 11, 2013, 11:24:34 AM »
So far loving them.   Very musical subs for the price,  bass is not boomy or dirty.  But I have yet to calibrate them properly for both music and HT.    Fun activities for the next few nights.
« Last Edit: March 12, 2013, 06:32:46 PM by OCCD »

Spkr: VMPS RM40
Pre: McCormack RLD-1, Rotel 970BX Phono
Amps: Channel Islands Audio D-200 MkII 
Phono: VPI Aries 1,  Van de Hul Frog
CD: Oppo BDP-83 DAC: Young DSD DAC
Cass: Tascam 122MkII
R2R: Revox B77
Sub: Rhythmik FV 15HP

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #7 on: March 11, 2013, 07:25:36 PM »
There was a HUM because it didn't know the words.. ;D

Thats why I have 3 phase at my house it was well worth the investment just for the sound and other goodies too >:D

I put the 3 phase in a year ago and my bill dropped about 20 bucks then I installed the cap bank to help with "L" or inductance the bill now is around 35 -40 a month.

toe

Offline OldiesButGoodies

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #8 on: March 11, 2013, 07:31:20 PM »
This is something to investigate - thanks for the lead....

 8)

Spkr: VMPS RM40
Pre: McCormack RLD-1, Rotel 970BX Phono
Amps: Channel Islands Audio D-200 MkII 
Phono: VPI Aries 1,  Van de Hul Frog
CD: Oppo BDP-83 DAC: Young DSD DAC
Cass: Tascam 122MkII
R2R: Revox B77
Sub: Rhythmik FV 15HP

Offline MasterBlaster

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #9 on: March 13, 2013, 01:28:14 AM »
Had a great time! Thanks for your hospitality.

Terrific system. Love those Maggies!
« Last Edit: March 13, 2013, 01:32:02 AM by Rest lame brats »
HT: Audiocontrol Maestro M3, Sunfire 5*200,  Tannoy Mercury MX , SVS PB-12 Sub

Head-Fi: FUBAR IV Plus DAC, Grado SR225

Living Room: Dynaco ST-70 (R&R work done by NATOE), Dynaco PAS Preamp, Jamo C607 towers, MCS 6710 Turntable

Offline OldiesButGoodies

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Re: Meeting Picture - IEEE Sub-sub-sub-committee on Hum
« Reply #10 on: March 13, 2013, 10:31:33 AM »
You are welcome - it was fun, ready to repeat.

Spkr: VMPS RM40
Pre: McCormack RLD-1, Rotel 970BX Phono
Amps: Channel Islands Audio D-200 MkII 
Phono: VPI Aries 1,  Van de Hul Frog
CD: Oppo BDP-83 DAC: Young DSD DAC
Cass: Tascam 122MkII
R2R: Revox B77
Sub: Rhythmik FV 15HP

 

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