TL072 substitute? (They're expensive now outside the USA)

fig said:
Maybe try a 4558 and/or a LM258. Iā€™ve had success with these breadboarding and they are low-cost. Check your continentā€˜s electronics surplus salesā€¦I find a LOT of deals hereā€¦


btw, which pedal are you building? If I have it, I could try some subs and at least offer an opinion.
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I have an Ocelot waiting to be built, which requires FIVE TL072s. But as it happens - I posted about this a couple of pages back - I got a bag of 20 "fake" TL072s from AliExpress and tested five pairs of them in my KlichƩ Mini and they sound fine. I listened closely and critically and I can't hear anything wrong with them. I left a pair in there. Now, it's possible that a pair of name brand TL072s might sound slightly better, but I have no complaints with my AE knock-offs.

I'd still buy into a group buy of TI originals, but when I put the Ocelot together I'll try my "fakes" first. I'm reasonably confident they'll be OK.
 
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DAJE said:
I have an Ocelot waiting to be built, which requires FIVE TL072s. But as it happens - I posted about this a couple of pages back - I got a bag of 20 "fake" TL072s from AliExpress and tested five pairs of them in my KlichƩ Mini and they sound fine. I listened closely and critically and I can't hear anything wrong with them. I left a pair in there. Now, it's possible that a pair of name brand TL072s might sound slightly better, but I have no complaints with my AE knock-offs.

I'd still buy into a group buy of TI originals, but when I put the Ocelot together I'll try my "fakes" first. I'm reasonably confident they'll be OK.
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When you get the orginal ones I recommend you compare it with the fake ones on the kliche circuit. Sounds really different, the decay of the notes will be much smoother
 
Guilherme Collateral said:
When you get the orginal ones I recommend you compare it with the fake ones on the kliche circuit. Sounds really different, the decay of the notes will be much smoother
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The original TL072s in that build are from Tayda, and I've seen people claiming those are "fake" too. I have no idea whether they're fake or genuine or whatever that even means in this context, but they sounded fine. I did listen very closely and critically, and I am not hearing anything wrong with them.

Possibly the problem is quality control, meaning that some batches are too far out of spec to use, while other batches are good.
 
sorry to necrobump this thread but actually i'm unable to get original TL072's, so i was wondering if LF535P's would be fine...
 
giovanni said:
Where are you located if you donā€™t mind me asking?
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Chile. Shipping an order is at least 20 dollars, or even more depending on volume and that's without taxes. It's not very nice to buy for example 10 IC's for 8 bucks, then you have to pay 20 or more for shipping and taxes also.
 
cris_mas said:
Chile. Shipping an order is at least 20 dollars, or even more depending on volume and that's without taxes. It's not very nice to buy for example 10 IC's for 8 bucks, then you have to pay 20 or more for shipping and taxes also.
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Is there no free shipping to Chile for orders over $60?
 
cris_mas said:
Chile. Shipping an order is at least 20 dollars, or even more depending on volume and that's without taxes. It's not very nice to buy for example 10 IC's for 8 bucks, then you have to pay 20 or more for shipping and taxes also.
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What about Tayda? Same problem?
 
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