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Old 17th April 2013, 04:22 PM   #91
MWL168 is offline MWL168  United States
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Hi Russ:

Would you consider offering balance out option? With SMD there will be sufficient space for additional parts without making the PCB larger in dimension.
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Old 17th April 2013, 04:29 PM   #92
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Would a little SMT scare anyone away?
Russ,

I would buy a couple of pairs from you. I think the matched SMT is a worthy improvement.
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Old 14th May 2013, 04:27 PM   #93
shoom is offline shoom  Europe
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Hi Russ/Brian

As you know from my postings on the OPUS thread Iíve enjoyed using the Ventus as a headphone amp for some time now and have ended up with the gain set to 3 as this sounded best with the headphones that I have.

I also have a Buffalo 3/Legato

Iíve had a hankering to drive my power amp directly from the Buffalo but the limited gain was always a drawback with the Buffaloís internal Volco maxing out too early. With my Audiosector chip amp that was not a problem as itís much more sensitive.

But then I had a light bulb moment and decided to try the Ventus as a discrete Bal/SE gain stage with my Buffalo 3 driving the 15W Class A PA directly.(yup exactly how itís described in the manual but Iím a little slow sometimes)

WOW it sounds superb and (just in my opinion. To my ears in my setup) a little better than the built in Bal/SE on the Legato.

It would be a real shame to loose such a useful and good sounding piece of kit and now Iím in need if a stand alone HA.

so

Count me in for the improved version and SMD no problem.
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Old 14th May 2013, 05:11 PM   #94
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Thanks for the encouragement. I am glad you enjoy it.

I am strongly inclined to pursue the SMT version.

Cheers!
Russ
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Old 14th May 2013, 09:24 PM   #95
shoom is offline shoom  Europe
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Thanks for the encouragement. I am glad you enjoy it.

I am strongly inclined to pursue the SMT version.

Cheers!
Russ
That could make for an interesting project


How about all SMD caps and resistors also?


Thatís going to shrink the boards down nicely and also keep the board tracks even shorter.


If itís small enough then that could be the basis for a Legato 4 even.


Still easy to say and much harder to design.

Iím mighty impressed with the Ventus as is but the SMD matched transistor route could be even better for those who need just a little more OP for the direct IP to power amp.

The Ventus is a great piece of kit that opens my Buffalo up a little wider IMHO.

Nice work

Thanks.
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Old 14th May 2013, 10:07 PM   #96
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I have always been very proud of ventus. It started as a design I wanted to do to solely as a DIY effort. Completely open and designed to educate as well as entertain. It really turned out better than I originally hoped. I am glad to have it take another step forward in its evolution.

Cheers!
Russ
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Old 14th May 2013, 10:14 PM   #97
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Oh to answer your question it will be entirely SMT except terminal blocks etc.
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Old 15th May 2013, 08:28 AM   #98
shoom is offline shoom  Europe
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Oh to answer your question it will be entirely SMT except terminal blocks etc.

Hi Russ

Thatís great news

Iíve built a few SMD based projects now and whilst Iím no expert Iíve found it less difficult than I was expecting.

Even those multilegged DAC chips can be done with a little patience and know how.

So a good opportunity for people to learn something useful and open up a whole new world of possibilities later for those new to SMD work.

The price of SMD resistors (even the good ones) is pretty low so maybe a selection of gain setting resistors could be supplied with the kit (if one is on offer).

That would leave people free to choose their gain at the build stage.

BTW I donít wonder at your pride in the Ventus.

I was shocked at how good it sounded as a headphone amp and a Bal/SE gain stage driven from the Legato's balanced OP's.

Exiting times we live in.
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