42TM019-R vs 42TL019-R?

Kroars

Kroars

Well-known member
Just used my last TL019’s and have a Tactical Fuzz to build. I’ve got a few TM019’s and was wondering if those would have any audible difference? The difference I’m seeing so far is in the primary resistance (M is 600 ohms and L is 450 ohms), would that have any impact using them as a pickup sim? They’re both 10kct/600ct and I believe they’re physically identical.

Thanks!
 
The only significant difference between those two transformers is the physical size. (They are not physically identical.) Either does well as a pickup sim.
 
Cybercow said:
The only significant difference between those two transformers is the physical size. (They are not physically identical.) Either does well as a pickup sim.
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Thanks. I must be misremembering the size of the TL019. Appreciate the confirmation!

Edit: Ah yes, I see know the TL019 is a few mm smaller than the TM019. I’m hoping it’ll fit in the same footprint, we’ll see. :)
 
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Kroars said:
Edit: Ah yes, I see know the TL019 is a few mm smaller than the TM019. I’m hoping it’ll fit in the same footprint, we’ll see. :)
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Did you ever test if the TM019 worked? Building the same fuzz and Mouser only has the TM019 currently.
 
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Most importantly, it's not just the basic bulk dimensions, specifically the pin-spacing is slightly off from each other — both the primary to secondary pin-spacing and each side's pin-to-pin spacing.
So if your PCB design calls for one, you'll have to bend pins to (maybe) make the other fit.


TRANSFORMERS 42TM (left) vs 42TL (right).png
 
Feral Feline said:
Most importantly, it's not just the basic bulk dimensions, specifically the pin-spacing is slightly off from each other — both the primary to secondary pin-spacing and each side's pin-to-pin spacing.
So if your PCB design calls for one, you'll have to bend pins to (maybe) make the other fit.


View attachment 111920
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Imma bend some fricking pins then lol. It's for 2 PPCB Thorpy pedals that use a TL019, I bet I can squeeze 'em in. The TM019 does look quite a bit bigger though.
 
Just got the TM019 transformers in, they fit on both the Granger and Tactical PCBs, if you fold/cut off the little legs, and slightly bend the pins to fit the holes. I haven't populated or boxed the pedals, but I don't foresee any issues.
 
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