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I accidentally ordered 5 TI5532 op amps so don't feel bad.
For reduce the brightness of "instruction" LED, you can try replacing R27 from 1.5 kΩ to 3-4.7 kΩ. I not try yet, but it must work.
It seems the talk of opamps on this thread has died out, I guess everyone has what they need. I'll keep looking at ordering more, I guess... I mean, they are cheap right? 5 for $3.00? Wow. I'll sell the unused ones to a member on the forum after I get them all. If it's worth it... Apparently, delivery is in 3 months, lol.
The Walnut is magical, it's like what music was like listening to at home about twenty to thirty years ago... but better! It's in a portable!
It's safe to allow the Walnut v2 li-ion battery to die when charging?
I've read in this thread, that for Walnut burn-in, some members plug their Walnut into one of those large capacity power banks (maybe a 20000mah one) and then just plug in SD card with music and a headphone, hit play, and forget about it for a few days (or weeks, lol)
Oh okay, that's very cool. I wonder if a USB adapter connected to a wall out would do the same thing?
Yes will do the same thing. Which version is your Walnut and are you on the stock opamp? A few days ago I ordered the Walnut V2 and asked the seller which version they will send me and he/she said it's the latest version with data port. So I still don't know if I made the right choice by ordering the latest version which has the soldered opamp and not easy to change the opamps as the previous one.
I think mine is v2.0 with the opamp swapabiility, but I haven't opened it to double check. I've ordered a bunch of opamp's (5) and a puller tool anyway.
Maybe check out a Zishan Z1, it seems better than the Walnut v2.
I'm also waiting for a second and the new Walnut with non-swappable opamp. It's not possible to be changed, easily.
If it has the hold switch behind it should be old version, on the latest one (I think it's called V2.1) they removed the hold switch and added a data port afaik.
I thought the newest version of the Walnut reverted back to switchable op amp due to demand. I think I read that here?
It's only a rumor at this point until we see the v2.2 floating around...
Do you have a newer one? Have you looked inside?
There's no reason to look inside until my new opamps arrive in 2 months, sorry. I don't think it matters at this point.
New Opamps waiting to arrive: LM6172IN, LT1364CN8, JRC5532DD, OPA2604AP (Burr Brown), NE5532AN (Thailand stamp), NE5532N (Philips) - Maybe a duplicate?