Audio GD A2 headphone amplifier (price drop)

peachathome

Wammer
Wammer
Jan 4, 2015
357
83
48
Colchester
AKA
Mark
HiFi Trade?
  1. No
I bought this in May, direct from Audio GD.  I chose it because I have an R2R DAC from the same company, and it's a stunning piece of kit.  This headphone amp is also excellent for the money, but I just don't find the time to listen to music through headphones. 

Blurb from the website: 

Class A design built by discrete analogue stages without any OPA or coupling caps in the signal channels.
2 pair accurate matched  20W (in total 80W Pcm) output transistors.
Non- feedback ACSS and output stage designs
2500mW at 25 ohm Pure Class A, drives most headphones working in pure class A
ALPS-27 hifi grade volume pot
14DB and 20DB gain can drive the high and low sensitivity headphones
3 groups input: RCA X2, ACSS X1
Preamp output : RCA
Headphone amp output: 6.3mm

Headphone amp Output Power (Pure Class A):

25 ohm: 2500MW
40 ohm: 1600MW
100 ohm: 650MW
300 ohm: 325MW
600 ohm: 160MW

Note: there is an imperfection in the paintwork on the right hand side of the amp, which I have tried to pick out in the photo.  I've only just noticed it when taking photos, so I assume it was like that when it arrived. 

Location = Colchester.  Price = £200 £180 + £10 postage to mainland UK. 



View attachment 93617

 
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