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Benchmark DAC2 for Audeze LCD3/Grado PS1000/Hifiman HE-6...?

post #1 of 8
Thread Starter 

 Hello everyone!

to your opinion will my pro amplifier in the Benchmark DAC2 drive all those phones to perfection? at least good quality?

 

Regards

post #2 of 8

Everything but the HE-6 which has been known to be super power hungry.

post #3 of 8

Benchmark strong point always been their Dac implementation, the headphone amp is not at the same level in my opinion. It will be able to power the other headphones, but with cans such as Hifiman HE-500 and up i doubt it. 


Edited by jackwess - 8/13/13 at 1:54pm
post #4 of 8

With the attenuator off the DAC1 claims +27dB of gain which will be more than enough to drive the LCD-3 and PS1000.  I cannot find the specs for the DAC2, but I imagine it will be on par with the DAC1 output levels.  You will be running at 90% volume, but it should get the job done.


Edited by NA Blur - 8/13/13 at 3:32pm
post #5 of 8

at +18 dBu, 250 mA you should get to 110 dB SPL with HE6 - quite adequate peak SPL for almost any listening,  if not the 120 dB peak you may want to see in a "ultimate" system

 

the Benchmark headphone out should push the other 2 to 120 dB SPL if thats your magic number

 

 

Quote:

HPA2TM Headphone Outputs

Number of Headphone Outputs 2

Output Connectors ¼” TRS with switch on left-hand jack

Output Impedance < 0.11 Ohms

Output Level Control Stereo Control on Front Panel

Output Level Range (at 0 dBFS) into 60-Ohm Load Off to +17 dBu

Maximum Output Current 250 mA

Overload Protection (independent per channel) Current limited at 300 mA, Thermal

Bandwidth > 500 kHz

THD+N -106 dB, 0.0005% into 30 Ohms at

+18 dBu (1.26W)


Edited by jcx - 8/13/13 at 3:33pm
post #6 of 8

I think the +18 dBu may be with the attenuator on?

post #7 of 8
Quote:
Originally Posted by jcx View Post
 

at +18 dBu, 250 mA you should get to 110 dB SPL with HE6 - quite adequate peak SPL for almost any listening,  if not the 120 dB peak you may want to see in a "ultimate" system

 

the Benchmark headphone out should push the other 2 to 120 dB SPL if thats your magic number

 

 

sorry to dig this up, would the new benchmark dac2 be able drive the he-500 properly? loud is one thing, would the he-500 be able to shine? thanks in advance!

post #8 of 8
Thread Starter 
Quote:
Originally Posted by railrus View Post
 

sorry to dig this up, would the new benchmark dac2 be able drive the he-500 properly? loud is one thing, would the he-500 be able to shine? thanks in advance

Bump!

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