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DIY HiFi Supply Parts and Kits from Diy HiFi Supply

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Old 18th March 2010, 10:02 AM   #1
bcherry is offline bcherry  Hong Kong
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Default Cole Max - Feed Your Vinyl to this:

Cole Max


Some quick facts

phono stage:
Tubes are E180F and 2C51
LCR direct coupled
Silk Step up transformers 10x/20x
Mute and stereo/mono
All the best bits inside


power supply:
FCUPS film cap power supply
5AR4 tube rectifier
ULNFS (ultra low noise filament supply)
connected by umbilical
Next: more.
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File Type: jpg ColeMaxSet1.jpg (206.7 KB, 266 views)
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Old 24th November 2018, 09:30 PM   #2
JoshK is offline JoshK  Canada
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I have one of these and one thing I noticed is that the tubes are not labeled which is which nor are the switches labeled, can you help me out?
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Old 25th November 2018, 07:08 PM   #3
JoshK is offline JoshK  Canada
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I am really trying to use this phono stage very soon and would greatly appreciate some help. Absolutely nothing is labeled which makes it quite difficult, so I popped the bottom off and tried to trace the circuit.

I am attaching a pic of what I think I've figured out thus far, but have quite a few questions left. Also make sure my notes are correct please!

The inputs closest to the ground post (right side when looking from the front) are the MC as they go to the stepup switch (gain of 10x/20x). MM obviously the other. In the back the two switches (always viewed from the front as the picture) are MM/MC on the left and Gain on the right. But which position is which for both? The stepup transformers are on the left and the LCR transformers are on the right leading me to conclude that the 2C51 tubes are on the left and the E180F output tubes are on the right.

That leaves the front two switches as mute and stereo/mono. Which is which? Also which position for each?
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Old 3rd December 2018, 09:28 PM   #4
JoshK is offline JoshK  Canada
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Join Date: May 2004
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Does anyone know if DIYHFS is still active? I emailed their main support on their page as well and zero response.
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