LISA III Available for Order - Page 8

Can someone please comment on the pertformance of the E500 and the Lisa III? Is the hiss very noticeable when music is playing? Also is it possible to adjust the gain manually?

Thanks a lot, I'm just about to buy the Lisa III to use with E500

From what I've read so far there seems to be mixed opinions about hiss with the E500 or other IEM's. I've only read one person that heard a hiss. I should have mine today and will give it a good listen with my ES2's which I can guarantee you are more sensitive than the E500's, so if there is a audible hiss I'll let you know.

There is indeed a very slight hiss with the E500 unlike my UE Triple-Fi's which exhibit no such hiss. It is really very subtle and doesn't really concern me, but by all means let us know what you think.

Ok, thanks I'll be waiting for your review!

Bolardito,
E500 hiss is undetectable once the music starts.

WoW, so beautiful....it drives me to have one.

I tried the E500's with my LISA and yes, there is hiss. I think the LISA is a strange match for IEM's from a use perspective, but if that really is what someone intends, I would ask Triad for a lower gain version, or get hold of an Oehlbeck 120 ohm adapter, which eliminates the hiss.

Where can I get the Oehlbeck 120 ohm adapter? I also own the Etymotic ER4P and the cable to convert it to S (ER4P-24), is that adapter similar to the one you metion?

Skylab,
My IEM's sound wonderful on the Lisa III. Since neither Phil nor Brad had IEM's they weren't sure how the default gain of 5 would work with IEM's and requested feedback. As with the PRII (mk2) the lowest setting of its gain switch was set to a gain of 3. I'm sure that setting would work fine with the E500s. Honestly the hiss is so far down it easily gets lost in the music.

Flashbak,

So is there a gain switch on the Lisa?? I thought there was a default setting of 5 which can't be changed.

No gain switch, Phil didn't want to use one because of signal degradation. It requires a slight circuit modification to lower the gain.

He told me it was not possible to lower the gain to 3 That the gain setting of 5 was tested with IEMs and worked fine

Only option was to increase gain, not decrease it, and the minimum 5. I think he already sent it! So your amp has the 3 gain?? you report of low hiss is based on 3 gain setting?

guys, if you're having hiss problems, perhaps it's time for you to run it at discreet mode.

WARNING DON"T SIMPLY TRY THIS, ASK PPL BEFORE DOING ANYTHING:

1) Remove L and R opamps
2) Jumper + (Non inverting input), to Compensation Output (Pin 5)

That's it. A feedback free, unity gain, super quiet discreet buffer for your IEMs!

If someone has Audio Technica W5000 or others, could you report if there is hiss with those? AT cans are also very sensitive so I wonder if they will be doing the same as E500...

Bolardito,
No mine is set to the default gain of 5. I really don't think it is an issue hence why you were given that info.