Stereomour + LCD-2

jimiclow · 4529

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Offline jimiclow

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on: July 31, 2012, 05:35:32 AM
Stereomour + LCD-2 Rev. 1 = No Hum!

I just confirmed it!
And it drove the LCD-2 with enough power, although it's just using a 45 tube.
On my Grado 60i, I can hear a hum but I use this can to fine tune the hum pots, very easy to do than a volt meter (my meter only goes down to 1mv). Even my Schiit Lyr hums on Grado to the same level.
The sound? Hey, it's a Bottlehead!
This Stereomour has a 330uf input and 220uf last caps. The OT's are configured for a 4-ohm load.

Update: On the stock Sovteks, still no hum.

(https://forum.bottlehead.com/proxy.php?request=http%3A%2F%2Fi328.photobucket.com%2Falbums%2Fl346%2Fclowkoy%2FDSC_9438-2.jpg&hash=627f8011d64585dc72152b908d0016ca0f196902)
« Last Edit: July 31, 2012, 06:04:13 AM by jimiclow »

Bottlehead Stereomour with V-cap, Mundorf, Alps
SEX 2.1- Alps, Mundorf
Stock Crack
Reduction with Mundorf, Clarity caps
Schiit Asgard, Schiit Lyr
Technics SL1200mkII
Woo WA-6
Hoyt-Bedford speakers, Fostex T90A
LCD-2, HD600, ER4P, HF5, SR60i, DT990-600, DT770-32, HFI580

Offline bullandvodka

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Reply #1 on: August 04, 2012, 10:09:30 AM
Great report!  I'll mod my LCD-2 cable and try it as well once I get my Stereomour up and running.

If you don't have a plan, just about any road will get you there.

Offline Doc B.

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Reply #2 on: August 04, 2012, 12:02:14 PM
Convert to balanced output. It will get even better.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.

Offline jimiclow

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Reply #3 on: August 07, 2012, 02:13:29 AM
Quote from: Doc B. on August 04, 2012, 12:02:14 PM
Convert to balanced output. It will get even better.

Hi Doc!
Is this the one you posted on other thread about making a "virtual center tap" using 2-70 ohm resistors?

Bottlehead Stereomour with V-cap, Mundorf, Alps
SEX 2.1- Alps, Mundorf
Stock Crack
Reduction with Mundorf, Clarity caps
Schiit Asgard, Schiit Lyr
Technics SL1200mkII
Woo WA-6
Hoyt-Bedford speakers, Fostex T90A
LCD-2, HD600, ER4P, HF5, SR60i, DT990-600, DT770-32, HFI580

Offline Doc B.

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Reply #4 on: August 07, 2012, 05:24:32 AM
Yes.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.

Offline jimiclow

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Reply #5 on: August 07, 2012, 11:19:14 AM
Thanks Doc!
I will try it.

Bottlehead Stereomour with V-cap, Mundorf, Alps
SEX 2.1- Alps, Mundorf
Stock Crack
Reduction with Mundorf, Clarity caps
Schiit Asgard, Schiit Lyr
Technics SL1200mkII
Woo WA-6
Hoyt-Bedford speakers, Fostex T90A
LCD-2, HD600, ER4P, HF5, SR60i, DT990-600, DT770-32, HFI580

Offline tdogzthmn

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Reply #6 on: October 30, 2013, 06:17:40 PM
I have the SEX 2.1 with impedance switches installed and curious if this would yield a similar level of performance using the speaker outputs with the blanched mode vs. the headphone jack. 


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