Tuner output circuit from Etherwave hotrodding manual

Posted: 6/5/2018 10:08:39 PM
Jason

From: Sammamish, Washington

Joined: 2/13/2005

Great. Is that a 470nF cap in your drawing, or 470uF?

Posted: 6/5/2018 10:11:50 PM
Thierry

From: Colmar, France

Joined: 12/31/2007

470nF is enough. Don't exaggerate. The other one is 100nF. Sorry for my unreadable scribble... 

Posted: 6/5/2018 11:30:01 PM
RoyP

From: Scotland

Joined: 9/27/2012

I have, in the past, cobbeled together a work around where I take a headphone feed from the amp that my EW goes into and plug it into my auld Korg tuner (pictured somewhere here).

It seems to work although I'm not sure about latency etc etc etc.

As an aside - regarding Hotrodding, I'm thinking about going down the dark path to using the EW to control MIDI devices and was thinking of converting my EW to the Plus via the conversion kit: is this a good move?

Posted: 6/5/2018 11:36:36 PM
Jason

From: Sammamish, Washington

Joined: 2/13/2005

I haven't tried the field upgrade kit... but that's a good idea. 

I think the problem with using the headphone out from your amp is that it won't have any signal when the volume is off, and the point of using a tuner is to know which note you're on when you first bring up your volume hand.

Posted: 6/5/2018 11:41:20 PM
RoyP

From: Scotland

Joined: 9/27/2012

'I think the problem with using the headphone out from your amp is that it won't have any signal when the volume is off, and the point of using a tuner is to know which note you're on when you first bring up your volume hand.'Jason

Eh...aye...I can see the logic there...

(ok, it's late and I've had a beer...)

Posted: 6/6/2018 1:31:35 PM
dewster

From: Northern NJ, USA

Joined: 2/17/2012

"I highly value Christopher's scientific mind and all the experiments he does, but here, he is completely off the rails."  - Thierry

I agree with both sentiments in this sentence.  The board consists of a SG3525 (high current PWM controller) with beefy output transistors, and only incidentally a LM358.  It's made for switching power supplies and small motor control and such, not audio.

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