This Classified is Closed
For Sale:
O2 + ODAC from JDS Labs with 1x/2.5x gain and LM4562 opamp
Will Ship To: CONUS
I have an O2 + ODAC combined unit from JDS Labs that I am looking to sell for around $265 shipped. It comes with two power adapters. One is the standard one provided by JDS Labs (Triad 12V, 200ma). The other I purchased separately, and it is a Xicon 18v 500ma adapter. They both work just fine. I bought the Xicon to see if it would affect the sound, but I had a hard time hearing any differences. I have no need for both, so they're both yours!
I've modified the O2 from 2.5x/6.0x gain to 1.0x/2.5x gain. I found that the 6.0x gain would clip too easily and sounded nasty. I find that if I need the extra gain, 2.5x is plenty, though 1.0x gain works well for most headphones (including modified T50RP). 1.0x gain sounds cleanest anyway.
I've also swapped out the stock 2068 gain opamp with an LM4562 based on some users' recommendations. I found this made a subtle difference, but it seems to help reduce possible treble glare while making the sound a bit more resolving overall. I think it sounds a bit better, but I'll include the 2068 opamp as well just in case.
The unit itself is in good condition and works perfectly. There are some scratches on the front and back where I missed plugging in the headphone or USB cable. It's most noticeable from certain angles, and I've done my best to include photos showing how the unit looks at its absolute worst. These types of scratches are bound to happen one way or another.
If you're interested, PM me! Thanks!
Edited by hans030390 - 2/7/13 at 6:47pm
I've modified the O2 from 2.5x/6.0x gain to 1.0x/2.5x gain. I found that the 6.0x gain would clip too easily and sounded nasty. I find that if I need the extra gain, 2.5x is plenty, though 1.0x gain works well for most headphones (including modified T50RP). 1.0x gain sounds cleanest anyway.
I've also swapped out the stock 2068 gain opamp with an LM4562 based on some users' recommendations. I found this made a subtle difference, but it seems to help reduce possible treble glare while making the sound a bit more resolving overall. I think it sounds a bit better, but I'll include the 2068 opamp as well just in case.
The unit itself is in good condition and works perfectly. There are some scratches on the front and back where I missed plugging in the headphone or USB cable. It's most noticeable from certain angles, and I've done my best to include photos showing how the unit looks at its absolute worst. These types of scratches are bound to happen one way or another.
If you're interested, PM me! Thanks!
Edited by hans030390 - 2/7/13 at 6:47pm
