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ALO Pan Am desktop/portable headphone amp/DAC: Impressions and Reviews - Page 42

post #616 of 802
Quote:
Originally Posted by Rossliew View Post

Hey guys, anyone pairing the Pan Am with the LCD-XC? Wondering if it's powerful enough to drive it well...
I think Pan Am has plenty of power, though with stock tubes sound might get ugly and distorted if more power is required. You may want to get better tubes. People here advise Mullards, and I also think they are great sounding tubes, but they hard clip at very high volumes. Now I use Sylvania and while didn't experience any hard clipping I have noticed some distortion at high end. I use Alpha Dogs, which are 55 Ohm and 98 dB/mW, while LCD-XC are 22 Ohm and 95 dB/mW. So since both have same sensitivity, the difference is in voltage required to drive them at same volume, and since Alpha Dogs are twice the impedance they need twice as high voltage, and they draw half as much current. The question could be if Pan Am can provide twice as much current as it provides to Alpha Dogs.
post #617 of 802
Quote:
Originally Posted by TontonJoK View Post


What is the difference between the two mullards?

post #618 of 802
Its exactly the same tubes, could be made in different factories in England
On top they were made for the army with no Mullard logo printed but they are genuine and sound awesome
post #619 of 802

I have finally got my Russian tubes! on first trying (without burned in yet), it feels more tube than my default Chinese tubes!

Instrument separation is much better! bass feels more punch, definitely prefer this over default tube!

but the problem is, the marking on the tube has faded... how can i be sure that it is Russian tube? 

post #620 of 802
show a picture of the tubes and the seller link,
Don't worry that much It costs nothing to print well a tube so I guess a fake one would show a nice permanent logo
post #621 of 802
And the price you paid in $ biggrin.gif
post #622 of 802
post #623 of 802

my russian tubes looks the same as yours, don't worry :p

post #624 of 802
Thanks ah hui! How long do u burned it in?
post #625 of 802


This is the chinese tube, they all look so similiar :O
post #626 of 802

To those guys using an external DAC in pan am, which one do you use and how does it compare to the built in DAC of the pan am? :)

post #627 of 802

i have no idea.. been using it for a long time. btw i bought my russian tubes for only $15

 

post #628 of 802
Looks like mine too, hard to see the writing just like yours
As long as you get a better sound than the default Chinese tubes, I guess it' all good wink.gif
post #629 of 802
Thats right bro, now i am thinking of getting mullards to try haha
post #630 of 802
Quote:
Originally Posted by desertstrike View Post

Thats right bro, now i am thinking of getting mullards to try haha

Get mullards you will not be disappointed especially if you really like warm sound :)


Edited by BattousaiX26 - 6/16/14 at 9:53pm
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