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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

Original Mezmerize thread?
Original Mezmerize thread?
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Old 16th June 2012, 12:28 AM   #1
johngalt47 is offline johngalt47  United States
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Original Mezmerize thread?
Default Original Mezmerize thread?

Where is the original Mezmerize thread? I see threads on building one but none that seem to be the original design thread.
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Old 17th June 2012, 03:51 PM   #2
AndrewT is offline AndrewT  Scotland
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The Mez and the Hyp are simply DCB1.
The Hyp has one relay for muting the output. But it needs an alteration to get low hum in many system configurations.
The Mez has the same muting relay needing the same alteration and an extra 6 relays to select alternative inputs. Again the 6 relays can be rewired to minimise noise and hum.
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Old 17th June 2012, 04:29 PM   #3
Salas is offline Salas  Greece
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Original Mezmerize thread?
*The output relays are shorting to earth at standby or off mode in all later PCBs for a long time now.

Oldest thread must be this: Building a symmetrical psu B1 buffer

First take: B1 Buffer Preamp
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Old 17th June 2012, 05:31 PM   #4
jeff517 is offline jeff517  United States
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Just got this board, Mezmerize DCB1 and started ordering parts. My second DIY project. Only problem so far is finding parts. Some of the pieces are unavailable according to Mouser and Parts Connexion. Will keep searching.
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