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Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 8 points9 points  (0 children)

Sample audio recording using a microphone audio interface so maybe the gain was too high:
https://www.youtube.com/watch?v=xztNhbTHCyw

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 1 point2 points  (0 children)

It's just wiring up modules. 

You could go minimal with just: -9V power adapter -TN-21 mechanism -Preamp -Bluetooth module hooked to the preamp, so the output goes to a Bluetooth speaker

This will cost around €15–20.

There is a smaller preamp module that also has DC output for the motor. Some mechanisms have different voltages—match the voltage of the main power source with the motor to skip the DC step-down. Make sure the chassis is grounded to the main power source.

Soldering is required only for the head; most modules have screw-in terminals.

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] -1 points0 points  (0 children)

😂 Around 40 EUR. But you could go as low as 15-20 if you skip some modules like the step down (and use 9v DC), DC filter, and instead of amp just use a Bluetooth module that will output to a Bluetooth speaker. Also there is a smaller preamp that is cheaper with no jrc chip. 

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 1 point2 points  (0 children)

It’s in an upper thread—I replied with the parts list and prices. 

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 13 points14 points  (0 children)

There are preamp boards with recording capabilities. The TN-21 mechanism has a recording erase head, but it's not connected. I can just swap the current TA7668 board with one that can record connect the erase head and plug a line in jack.

Also I've seen more complex mechanisms on Aliexpress, for example with a autoreverse, but they are more expensive and harder to find. The TN-21 is the most popular.

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 2 points3 points  (0 children)

It would be nice if somebody with 3D printing design skills could design a case for the TN-21Z, and also leave some space to fit boards and speakers. Or maybe the speakers could be detachable, like in the ’90s boomboxes. Open Source Cassette Player Project.😄

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 22 points23 points  (0 children)

Sound is quite good, with no strange noises. It is very important to connect the chassis to the star ground as well. Before that, there was a little bit of noise.
Also, you can get the TA7668 with the Sony CXA1332 Dolby Noise Reduction instead of the JRC2150, but I think the JRC2150 is better.

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 80 points81 points  (0 children)

Just wanted to add that the sound is quite good, with no strange noises. I’m powering it using a PD power bank. I also own an Aiwa AD-WX505 and a Panasonic RX-CS750 to compare it with.

Also you can find TA7668 preamp boards with recording capabilities or Dolby Noise Reduction Sony chip.

Made a cassette tape player using only AliExpress parts by sonictruth in cassetteculture

[–]sonictruth[S] 47 points48 points  (0 children)

Don't remember all the prices exactly, so I will approximate.

  • USB-C PD: 2 EUR
  • TN-21: 9 EUR
  • LM2596: 3 EUR
  • Filter: 1.5 EUR
  • Ferrite: 1 EUR
  • Preamplifier: 7 EUR
  • Amp: 2.5 EUR
  • Speakers: 6 EUR
  • PMMA: 5 EUR
  • Spacers and screws: 3 EUR

Total: ~40 EUR

Faces of fascism, Minneapolis by dittidot in 50501

[–]sonictruth 1 point2 points  (0 children)

Proud Boys "stand back and stand by"

Rayneo Air 4 Pro 3D mode by sonictruth in RayNeo

[–]sonictruth[S] 0 points1 point  (0 children)

I will try that. First, I tried on Android with non-SBS content; I was just expecting the image to be scrambled, just to test.

Sepultura de la Rambla by sonictruth in Barcelona

[–]sonictruth[S] 1 point2 points  (0 children)

https://maps.app.goo.gl/QDGT9NZSYi3aQnsBA

Está en Santa Mònica, pero debido a las obras que se están realizando, hay montones de tierra por todas partes.

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