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What's wrong with the kiss,boy ?
What's wrong with the kiss,boy ?
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Old 17th June 2017, 10:52 AM   #421
Dennis Hui is offline Dennis Hui  Canada
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What's wrong with the kiss,boy ?
Quote:
Originally Posted by 2 picoDumbs View Post
What's a decent volume potentiometer that can be purchased from digikey/mouser.
Maybe something like this?:

http://ca.mouser.com/Search/ProductD...8-RK27112A00CC

Cheers,
Dennis
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Old 17th June 2017, 11:07 AM   #422
Zen Mod is offline Zen Mod  Serbia
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What's wrong with the kiss,boy ?
adequate (is it linear ? )

also these : http://tinyurl.com/yalo37cz
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Old 14th July 2017, 10:03 AM   #423
JPS64 is online now JPS64  Germany
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What's wrong with the kiss,boy ?
@Zen Mod

Could I use 100R JFET gate resistors (instead of 330R)?

JP
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Old 14th July 2017, 10:27 AM   #424
Zen Mod is offline Zen Mod  Serbia
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What's wrong with the kiss,boy ?
yup
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Old 14th July 2017, 06:47 PM   #425
JPS64 is online now JPS64  Germany
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What's wrong with the kiss,boy ?
thanks Zen Mod for this simplest preamplifier.

ELMA switch, AVC (Tribute?), buffer and autoformer (using EDCOR one).

Is Jensen better choice? Needs shielding?

IŽll power with two gel batteries (simplest gauge something LM and power switch for Meanwell chip external charger).

JP
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File Type: jpg KISS-BOY_V1_1.jpg (318.2 KB, 191 views)
File Type: png KISS-BOY_V1_2.png (552.8 KB, 184 views)
File Type: png KISS-BOY_V1_3.png (658.9 KB, 184 views)
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Old 14th July 2017, 07:20 PM   #426
Zen Mod is offline Zen Mod  Serbia
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What's wrong with the kiss,boy ?
why AVC then buffer then autoformer ?

as I wrote numerous times , goal with Iron Pumpkin(s) is to simplify things maximally

selector, buffer , AVC (connected to have gain, if needed)

difference between Tribute and Jensen - can't tell from experience

I'm having my own , anyway
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Old 14th July 2017, 07:37 PM   #427
JPS64 is online now JPS64  Germany
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What's wrong with the kiss,boy ?
Selector --> Potentiometer --> Buffer --> Autoformer? (as showned on your blog).

or

simply: Selector --> Buffer --> AVC.

Right?

JP
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Old 14th July 2017, 07:41 PM   #428
Zen Mod is offline Zen Mod  Serbia
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What's wrong with the kiss,boy ?
first one = Iron Pre

second one = Iron Pumpkin

re-read the thread , everything written more than once
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Old 15th July 2017, 07:22 AM   #429
JPS64 is online now JPS64  Germany
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What's wrong with the kiss,boy ?
Done!

But a lot of questions remaining...

What is the value for the potentiometer/attenuator for the Iron Pre?

JP
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Old 15th July 2017, 09:11 AM   #430
JPS64 is online now JPS64  Germany
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What's wrong with the kiss,boy ?
Both version enable.

Jensen/Edcor paralleling possibility to evaluate: question about shielding needs pending.

Searching for other connectors for simplest and optimal wiring (to potentiometer/AVC and batteries): help wanted.

JP
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