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Hommade quad tape deck

I love quad as an audio format. I've been recording in quad a lot recently on my tape multitracker. It uses regular cassette tape, and the regular track widths, but uses all four at once instead of two each way. Trouble is, it only has stereo mixdown, and it records at twice speed, so I would need to modify any potential quad tape deck that I build to play at twice normal speed. I've figured out a way to use a 4-part RCA signal, if ran to two stereo amps, to get quad sound to my speakers. Therefore, I would need to modify my homebrew quad tape deck to have 4-part RCA out. I'm still a little fuzzy on the particulars of that. In order to read all four tracks, I'm considering just taking two stereo heads and putting them next to each other, but due to width constraints, that would probably mean being unable to sync their output, let alone record anything. I suppose I could yank the quad head out of a junk Tascam, but good luck finding a junk Tascam! Any ideas on solving this issue? Perhaps work in an output lag somehow on the forward head's output so that they are synced again? One idea that I have, if I can get the outputs synced, is to just pull the head out of one tape deck and make the wires long enough that I can install it in the other deck, still attached to its own electronics, though. Then there would be four RCA jacks out (two from eah machine) and it would require the minimum amount of hacking things up. Then I'd connect the two cases in to uber case (duct tape, porbably), and go on my merry four-channel way. Anyway, is anybody else a fan of this format, and have you thought about making a quad tape deck? If someone has ever ripped up analog tape decks (or knows the nitty-girtty of how they work), please don't hesitate to give some input to this project!

Topic by Rishnai    |  last reply


what electronics do I need for push solenoid to extend and retract once with 5 sec delay after power on from 110 timer?

Trying to automate cassette tape deck for my church. deck & amp power on from external power interrupt timer. need to build device with push solenoid to extend & retract once on a 5 sec. delay after power comes on to push play button on tape deck. timer turns on for 10 min. Mon-Sat. & for 20 min. on Sun. what electronics do I need for this and a simple schematic would help.

Question by mackdriver    |  last reply


What would you rather see a instructable as my fisrt project.

Ok for my first project i have two ideas that I would love to do. And i want y'all to pick which one I should do and i will have the pro and cons for each one. I will decide which one I will do once I hear what all you have to say by 15th of July.(Yes this year) Master Chief Halo 3 Helmet Computer. Yes, yes I know this seems some dumb idea, but I have to try it since I saw the NES PC. Pros:Something for me to get the hang of and something for me to sell on ebay when I am done. Cons: Take awhile to make and to buy the parts and might not be done till Dec. Will cost me around $500!(I have no job and am looking for one, so ya.) Sony TC-630 D Computer I have one but if I decide to do this one I will get the 2nd one I need so I can use the parts from it to fix this one and use the other for a Case. Pro:Have 90% of the parts.(Being a geek rules!) Have cool retro computer. It looks cool. Will end up with a Working on and a Computer one. Cons:Need a OS....(Possible Linux Server) Well you have seen the choices so please help me out!

Topic by Jran Sakarra    |  last reply


Belt replacment on Sony tape deck TCWR535 resulted in auto-reverse and one direction not working. Any ideas??

I just replaced both sets of belts on my Sony TCWR535 tape decks, per the excellent Instructables directions. Getting the belts on was a bit tricky, but I think I did it correctly. But now both decks only run in one direction, and won't auto-stop/auto reverse. At the end of the tape, they just sit and clunk. Any suggestions on what I did wrong?

Question by dennyls    |  last reply


cassette/tape deck sensors/readers; what can I do with them?

So, I was at my girlfriend's apartment when I came across a busted tape/cd deck underneath the porch and immediately though "FREE parts!" like any self respecting modder would. The circuit board, in pieces, has been subject to the elements for quite some time, the device made in 2002, I've no idea though how long it has actually been under there.  ("new" place) So two questions. 1) Are any of the components (capacitors, diodes, resistors) safe to use, assuming they were not short circuited by rain/humidity and rust hasn't set in?  (On some parts it has, the motor turning the tape deck being the main and most unfortunate one.) 2) WHAT could I possibly use the sensors/readers that read the tape of the tape deck besides reading the magnetic tape inside cassettes?!  I came to the conclusion that reconstructing a tapedeck with these sensors would be impractical, if not stupid.  Can they sense any magnetic field?  Would it be hard to write an arduino library? I tried looking up a datasheet and get nothing that resembles these, much less something that might belong inside a tape deck. 15RSA0 J2 K1520 Is how it appears on the side of the part, the 0s might be Os.  But the rest is pretty clear (I love a nice font).

Topic by stalledaction    |  last reply


i put a tape deck on a power supply of a computer but after each unplug i loose the clock?

If i plug a motherboard with a battery cmos will it  work?

Question by dante900    |  last reply


whats the best add an aux input to a 1998 ford taurus?

It has the tape deck also, i really dont wanna spend much money as i have a a fair amount of experience with electronics and i have oodles of components laying around

Question by quellek2    |  last reply


CRT TV scrap parts? Answered

I found four CRT TVs in the garbage around my house; I've already torn out the flyback transformers, the motors from the tape decks, and the speakers. I was wondering if there were any more parts I should be interested in scrapping before I take them down to my local recycling center. So, are there?

Question by Brekenridge    |  last reply


house stereo equipment hook up? how to wire extra components?

I have a reverberator, a dynamic expander, and a amp that has a eqaulizer and echo. what I am trying to do is hook up these into a home system, which consists of tuner, amp and a cass tape deck. Which plugs to use input in to which output, etc.?  Thanks in advance, Bullfrog

Question by bullfrog69    |  last reply


New Stereo

I was outside the other day and my neighbor gave me this stereo. It's a sony with 2 working speakers, 51 disc cd changer that also acts as a storage(you can turn the holder w/on of the dials on the stereo, am/fm radio, 2 tape decks, sounds great, and i hooked my sansa up to play through the speakers. Check out the pic below.

Topic by sardines454    |  last reply


salvage a radio?

I found an old portable sterio but the cd player and tape deck did not work but the radio did so i took the pc board out that has the radio guts on but now im lost  the wires coming out of it say s/m rch lch gnd +B Has anyone got a clue what thease mean  im guessing  rch and lch is right and left chanal for the speakers but the s/m and +b is throughing me

Question by nonamesleft    |  last reply


iPod Cassette Adapter Help?

Hey so I used to use a $30 Dynex Cassette adapter to play my iPod in my tape deck. My deck is a Pioneer KEH-P1010. Anyway, it was a real pain to get it going at first, but then it worked perfectly. I broke the adapter and so I decided to buy a cheap-o $5 "iWorld Cassette Adapter". The three instructions are (literally): 1 - Place the cassette into your car's cassette player. 2 - Insert the audio plug into your iPod®/MP3's headphone jack. 3 - Press play and enjoy your music. Sounds simple enough, right? I've tried it numerous times with my iPod Touch 64gb (same iPod as with the previous adapter) along with my mom's iPod Nano (the newer generation from last year), putting the cassette in both ways (text facing up and down). Each time I try, I can hear the deck spinning as it tries to read the cassette (with a "(---)" flashing on the display), but it always kicks back to the radio. Any thoughts on why this happens or how I can get it to work? A friend of mine had bought the same model (from the same store) and said it worked great (hence my purchasing of it), so I'm sure it should work on some level.

Question by Hadokendude    |  last reply


Please help I have a problem with a Sony stereo LBT_XGR99AV keeps turning off?

When I plug the unit in it automatically goes on to demo mode (lights up with display) But when I switch to cd player, tape deck or tuner the unit shuts down and wont turn back on again. I have checked google possibly a problem with amplifier shorting? I would appreciate any comments which can help Thanks

Question by extremist_ind  


Headphone Guitar Amp?

Hello all, I am just wondering if any one knows of any circuits for a headphone guitar amp? I have done the Altoids amp from the tape deck. It works great, but sound quality isn't too great. (it works great in a pinch though ;) ) I have been looking for some on Google and what not but haven't found any thing to useful. I am fairly new to electronics, I can build the stuff but might not know how it all works. Trying to learn ;) Thanks!

Topic by GeeKman    |  last reply


Outdoor RGB LED Strip Failure

Hi all,  I've had quite a modest installation of RGB LED tape (45 meters ish, split into more manageable circuits) around the perimeter of my decking. This uses the commonly available 5050 RGB LED Strip light, the type with the epoxy covering the tape and also an outer sheath to protect it from water ingress.  I had heat shrinked the ends and also applied multiple layers of liquid electrical tape where a connection to a 4-core cable was needed. This has held up well for some time.  After about 2 years, I noticed that some of my RGB LED tape runs were sort of 'corrupting' where a small amount of moisture had got in, and shorted the RGB channels so that no matter what I feed into the tape, it always output white (or some other combinations or colours). Still, I ignored this, as it didn;t bother me too much.  These ran back to a central controller, which did the DMX control and amplification of the 12v single.  Anyway, to cut a long story short: Yesterday I smelt smoke.  I was walking around the garden and I noticed that one of the strips had caught fire, at a single point in the middle, and was burning a hole through my decking!  Again, long story cut short, I put this fire out and looked closer. The strip was so badly burnt that I can't determine what went wrong here.  I'm thinking maybe a resistor burnt out and caught fire? The tape has been running 'on' for quite some time (weeks) so this is a possibility.  Another possibility is that there could have been a short between 12v and ground, which caused heat. Now, there aren't any fuses on the 12v rail (fuse and circuit breaker protecting the 240v side) but I wouldn't have thought that this would protect me from a fire anyway!  I'm interested whether anyone else has had a similar experience or has any suggestions as to why this has happened.  I love these RGB LED strips, use them a lot in my house, but after seeing this, I'm not a little more dubious to keep using them.  I'm an electrical engineer (in the making, at University) and this has stumped me!  Thanks Joe

Topic by joearkay    |  last reply


Best (and inexpensive) way to warm an outdoor disability ramp?

I recently had a disability ramp built for the entrance to my home.  It is made of pressure treated lumber and deck boards.  I am putting down rolled roofing to help with slipping.  I would like to make it so that it could keep it warm to prevent snow and ice build up.  I was thinking of doing a solar water heater to feed piping underneath the ramp, but not sure if this is the best way to go.  I also considered purchasing some sort of heat tape to go under the rolled roofing.  What does the community think?

Question by tcoyle1    |  last reply


Can I hack a SHARPcamcorder into a USBcam for my computer or a LANcam?

The camera: SHARP camcorder Model NO. VL-NIU. with digital video processing It's a nice little camera, but the Tape deck and view finder are broken(as in "snap") How can I hack the camera portion so that It can connect to a computer or Network via LAN/Ethernet or USB?? I have a plethora of parts/tools at my disposal. Dremel, soldering gun, circutboards, cables, raw components, a hacksaw, etc. Any Ideas? I couldn't find any Picatures of the actual camera online, but I am posting some that look very much like mine.

Question by waltermelons    |  last reply


wall wart/transformer instead of batteries?

I have recently purchased a creative HQ-2300D and it only accepts two AA batteries for powering the decoder, there is no DC in on it. Can I use a wall adapter to power it? (it really eats batteries)The intended transformer.nokia charger, output is 3.7v = / 355mAhThe reason I am wanting to use a transformer with it, is it would make it a lot easier as it is only used for gaming on the xbox 360 (to get the dolby headphone from the decoder) so it is never used "on the go" so changing the batteries/ recharging them is a mild annoyance I wouldn't have from a transformer turned on when I use the 360. It can't be as simple as wiring pos to pos and neg to neg on the battery terminals inside the decoder with the nokia charger because there is only a slight variation in the voltage.....can it?. I am also concerned about whether the transformer is regulated or not, reversing polarity, correct polarity etc. etc. and what else is important not important when attempting to do such a thing, so as not to destroy my decoder. (I did this before with a minidisc player and a Universal adapter on the wrong voltage, I didn't impress myself..........doh.... anyone smell that....)I tried plugging the nokia charger into another 3v device (an old sony tape deck) that has a 3v DC in, and it didn't seem to give it enough power to turn the tape, but when I plugged in a universal adapter and set it to 3v it worked fine.My idea is to remove the fem connector from the phone and rig it so it can be plugged into one of the battery terminals and the nokia tranny can be plugged into it, but it can still be removed for when I want to use batteries.I put it to all those with the knowledge who can explain in lay-mans terms and educate me on the best, safest, cleanest way to solve my dilemma.Thanks.

Topic by py3m4n    |  last reply


Laser Etching Acrylic for 3D Chess - Can I borrow some time on the machine?

Hey Squid Labs, I have a question/favor to ask. I'm looking to make a Raumschach board. It is a 3D chess variant with 5 decks using 5X5 boards. Well actually, I'm not sure which chess variant I'm going to go with just yet (its down to either Raumschach or Millennium chess). In any case, I bought the necessary raw materials today - threaded rods, cup washers, nuts, end nuts, threaded rod and acrylic. All from my favorite surplus store, Skycraft. I was wondering if I could possibly send you the raw material and CAD files and have the chess board etched. I would, of course, pay for return shipping. If not, that's fine - I'll probably just use tape and sand paper. But if I can have it done from a CAD file, I can make it a little more custom (I could even include instructables or squid labs logo if you want :P). Thanks ~Paul PS: For anyone wondering why I am not considering Tri-Dimensional Chess (as seen on Star Trek).... Technically, there's no official rules or setup of the game as created by the television show. Not to mention, moving attack boards and getting pieces into the "Neutral Zone" takes a long time (according to semi official rules on chessvariants.com)

Topic by trebuchet03    |  last reply


Old JVC Boom Box (Antique?)

Hey guys, upon my travels the other day, I stumbled upon an electornics bin or two and one of them happened to have a few "ghetto blasters" or boom boxes as other people would call em. I should really get some better pictures, but these will have to do. I brought it home expecting it NOT to work at all, as usual. It DOES work but in a somewhat limited way. I brought it home upon the conclusion that it felt rather solidly build for such a small system and it looked the nicest out of all of them. The "Problems" sort of speak: * Well for one, the left channel doesn't work, but BOTH the speakers DO work. They both have battery compartments (6 C cells each speaker in series = 9v-ish?) and they both have "extension" cables so you can unhook the speakers and place them elsewhere, the wires are 4 strand ribbon cables and the power is also transported down these wires. I find it rather retarded, because at full length, these wires are a foot long at best?! I managed to get around this debacle for now and plugged the extension wire of the left speaker, into the plug for the right speaker, powering both speakers off one channel. This works half decent, but it doesn't go as loud as one speaker would go, and it gets distorted easier at high volumes. * The tape deck doesn't work. I hit the play button and it DOES indeed make a whirring sound, so my guess is that it needs a new rubber belt for the motor, and I have no idea where to get something that small. Did I mention that apparently the tape deck, actually comes OUT of the stereo, and theres a compartment for a set of AA batteries, thus turning it into a shiny silver 80's walkman. I'm ultimately dumfounded.. * The switches on the top of the unit, primarily the two buttons that change the "fuction" or input of the boom box, are crapping out really bad, like if I set it to radio, I have to raise one switch, and push one down, but it sometimes doesn't work, or it crackles really bad, or isn't as LOUD as it should be, but if I jiggle the switches enough, I can usually coax it into working. It's annoying at best. They are really impossible to get at and they're long pushbutton switches with a long plastic rod that pushes the switch on the board. I really doubt I can get these switches open and adjust/clean them. Should I maybe get the dremel out and but some little toggle switches? * It's missing the little faceplate for the radio selector? Oh well I can still manually tune in a radio station without knowing the number, primarily 94.5 the bull here, it's pretty hard not to miss it blaring some rock or heavy metal. I like this little unit and I wanna fix it up/tweak the crap out of it. If I could get subwoofers small enough, I would upgrade the speakers, reinforce the inside of the speaker casings with epoxy, and maybe dremel some bass ports (would that be a good idea? From what I can tell, it's a totally sealed unit, but it would probably benefit from some "bass ports"). Also, would it be beneficial to "reflow" the amp board? Like theres a board with a transformer and what appears to be a stereo transistor, but like a wide one for two channels, instead of two independant transistors for each channel. So I can only imagine if one side of the chip is working, the other side should too. Would it be a waste of time to reflow all the solder joints or no?

Topic by Punkguyta    |  last reply


LED Questions

Help, I'm afflicted with inspiration in quantities that exceed my skills!So I came up with an idea for a project that would probably require the use of LEDs, which I know next to nothing about. Ah, said I, the Internet can teach me much... so I turned here and found the (nearly) perfect Instructable, "LEDs for Beginners":https://www.instructables.com/id/LEDs-for-Beginners/Having read this most helpful I'ble, I certainly came away more knowledge than I'd previously had, but still not enough to properly plan my project.Basically, I'd like to create a 2D "array" of LEDs to use as a light source, in order to backlight a roughly 8.5" x 11" translucent panel.It seems like it would be straightforward to just wire up a bunch of white LEDs in series to a power source and a resistor, and be done. I'm not afraid of a little trial-and-error, but I prefer to know at least roughly what I'm doing going in, so I'm asking for your help. Here are my lingering questions:1. Should I wire my LEDs in series, or in parallel? (Or some combination thereof)? In series, I gather that one LED failing will break the whole circuit, which could be a pain. On the other hand, I've seen several projects and sites that cryptically recommend against wiring these in parallel.2. Are there pre-built strips of LEDs I could acquire that would make this project simpler?3. If I want to vary the brightness of my light source, can I use a variable resistor (potentiometer), or does the nature of the LEDs preclude the use of this type of dimmer switch? If so, could I vary the brightness with multiple switched circuits, turning off half the LEDs for half brightness, 3/4 off for quarter-brightness, etc?4. I've got a slew of transformers from old tape decks, telephones, cell phone chargers, etc. Can I appropriate one of these as my DC power supply?5. How do I gauge how many LEDs I'll need, and what density is best to lay them out? I'm looking to create even, diffuse light, with no noticible bright/dark spots.6. Do I need to worry about heat?7. Are LEDs even the correct way to go here? Should I consider fluorescent light instead?I realize these are a lot of questions, but if you're an expert on LED projects, you could save me a lot of research time. If (I build this gadget, it will definitely show up here as its own Instructable.)Thanks!-JD

Topic by jdtwelve12    |  last reply