Tascam 464 Portastudio review, comparison & features overview

I've got a couple of untested Tascam 464 Portastudios in stock at the moment, so before i proceed to a tear down repair and record music with them, I thought I'd give a run-down of the features and specifications, draw some comparisons with other 4 track cassette recorders, draw viewers' attention to a couple of common flaws and give an overall response and review to this model. If you'd like to see repair and demo videos on this fourtrack as well as other models made by tascam Yamaha, Vestax and fostex, please subscribe to the channel since i upload this sort of content pretty regularly.

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TETRAKAN - Fix & Use Tape Recorders

Overviews; tear-downs; repair vlogs; techniques; tutorials; demo recordings...
...covering every cassette multitrack recorder ever made!*
*(eventually)
   / tetrakan  

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https://tetrakansupermonobloc.home.blog/

If you would like to make a regular donation check out my Patreon account;-
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I prefer to answer questions in the youtube comments where my answers can help more than one person, but if you need to share photos etc, you can message me via facebook.
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Tools and equipment I use when repairing portastudios;-
https://kit.co/Tetrakan