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Ming DA MC 84C07 tube recommendations - Page 4

post #46 of 67
Thread Starter 

Thanks for the can suggestions. I read that the HD800 and T1 were picky with amps. I'm actually curious about the LCD2 the most. Those cans are quite a bit more expensive, but I'll probably look into their synergy with my amps though...

 

The M-stage-- I try to remind myself that it started out as a clone of the BCL which is four times more expensive. I didn't know that the design was chosen to debut the HD800, though.

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post #47 of 67
Quote:
Originally Posted by mhcarlos View Post

Thanks for the can suggestions. I read that the HD800 and T1 were picky with amps. I'm actually curious about the LCD2 the most. Those cans are quite a bit more expensive, but I'll probably look into their synergy with my amps though...

 

The M-stage-- I try to remind myself that it started out as a clone of the BCL which is four times more expensive. I didn't know that the design was chosen to debut the HD800, though.


I've heard the 800s on my M-Stage and it had no problems powering it with wonderful results.

post #48 of 67

I just noticed your avatar...you must have created it yourself, clever.

post #49 of 67
Thread Starter 

@cravenz - Thanks!
 

@SP Wild - Yup, I made it myself. :)
 

post #50 of 67

Anybody try using 12AT7 or 12AU7 in place of the 12AX7 in this amp?

post #51 of 67

I have not.  A 12AT7 might work, but a 12AU7 might not because has only 19% of the gain of a 12ax7.  Check out this link that explains the 12 series tube gain.

 

http://thetubestore.com/gainfactor.html

post #52 of 67

OK thanks, I was asking because I have had good success mixing & matching all those tubes with my power amp & CD player. Was not sure about the circuit for the Ming Da, I read somewhere that some circuits will not take the AT7 as direct relacement. Even though this amp has been around a while, I think it still stands as a real bargain.
 

post #53 of 67
Quote:
Originally Posted by DavidK35 View Post

Anybody try using 12AT7 or 12AU7 in place of the 12AX7 in this amp?

 

Quote:
Originally Posted by DavidK35 View Post

OK thanks, I was asking because I have had good success mixing & matching all those tubes with my power amp & CD player. Was not sure about the circuit for the Ming Da, I read somewhere that some circuits will not take the AT7 as direct relacement. Even though this amp has been around a while, I think it still stands as a real bargain.
 

the mingda can handle 12at7 and 12au7. although if you aiming for the lower gain there will be not much difference between them.

post #54 of 67

Great, thanks for all your help.
 

post #55 of 67

I just remembered that I have run 12at7s in my Ming Da.  When I got Beyers new T70 HP, it was way too bright with this amp.  Rolling in a pair of 12at7s solved this problem.

post #56 of 67

Anyone tried the MC84C07 MK II version.

Has a high/low impedence switch instead of CD/PC switch for 8-600ohm headphones.

Improved components according to the blurb, looks more attractive too, but way more pricey.

 

 

MC84C07 MK II.jpg

post #57 of 67
Quote:
Originally Posted by DavidK35 View Post

Anyone tried the MC84C07 MK II version.

Has a high/low impedence switch instead of CD/PC switch for 8-600ohm headphones.

Improved components according to the blurb, looks more attractive too, but way more pricey.

 

 

MC84C07 MK II.jpg

 

I guessed they heard the complain most have on low impendance can.

post #58 of 67
Quote:
Originally Posted by dancingpotato View Post

Can a small amount of hum with low impedance cans damage either the Mingda MC8407 or the headphones themselves?

I can't see why it would...
post #59 of 67

Since this amp had a very good reputation a while back here at Head-Fi, I wonder who's still using it and what are their newest thoughts about tube rolling? popcorn.gif

post #60 of 67

I still have it and still think it is a great amp.  I've stuck with Gold Lion EL84 reissue power tubes.  Have rolled a bunch of vintage driver tubes.  Have found that 12AT7s tame the sizzle on Beyer T70s.   Mazda 12AX7s have spent a lot of time in the amp with other cans.

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