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Need Mc C-11 info - Please Help


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Hi guys,

I am running a McIntosh C-11 pre amp and I am finding the output to be a little dark sounding.

I have a quad of Bugle Boys that I know should brighten things up but where to put them?
So I need to know which 12ax7s control what!

V1, V2, V3, V4, V5 or V6?

I am not now listening to vinyl,
I am listening to my MR-74 tuner on tuner 2 and a CD player on AUX.

Can anyone help me?
Noah
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http://tdsl.duncanamps.com/link.php?target=0825C227&mode=schematic

You can download a pdf of the schematic at the above link.

Tubes V1 V2 V3 are Phono Section Tubes

Tube V1 Left Channel Phono

Tube V2 Right Channel Phono

Tube V3 is used for both Left and Right Channel of the phono section.

Tubes V4 V5 V6 are the line section tubes that you will want to work with.

Tube V4 Left Channel Line Stage

Tube V5 Right Channel Line Stage

Tube V6 is used in both the Left and Right Channels Line Stage.

mike tn

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Thanks Noah

Also I hope you use the tone controls when needed. McIntosh(C11 and C22) and Marantz(7C) did a very good job with them and they are definitly helpfull with some less than ideal recordings.

mike tnSmile

Mike,

As I type, I am listening to one of those "less than ideal" recordings of a stellar performance.

The C-11 has breathed new life into it and yes, I have the HF tone controls at 3/4 instead of flat 1/2.

Just what was needed; A C-11 with Bugle Boys to goose an old MC-240.

It sounds like Terry DeWick did a really nice job on these two.

Noah

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Looks like you got your answer but I was going to suggest talking to Dewick........

That should be an awesome combo!!! with the BB tubes.....I would like to find 5 for my AU-111 remake but I may go with telefunkens...

Mikebse2a3....I agree...wish I still had my 275 for my newly acquired Khorns.........I'll pick up another when the time/price is right

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