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The buttons don't work and short constantly. It does not support tape monitoring, and don't try to connect a Three Head Deck it will short out your Deck. I then connected the Reel to Reel without DBX, direct bypass the monitor loop and it worked okay for the first few times, then all of a sudden I could not record on the Reel To Reel, the input controls didnot work and the signal to the meters were pegged, not good, then I losted the 2 head deck. I have a DBX unit for my Reel To Reel and had to connect it directly to the Reel To Reel, not much of a problem.
The open circuit test fluctuated from inf to 10K ohm resistance. That why the sound cuts out and the input shorts to the output.So all in all the unit went back for a refund. connected. But then the problem started to unfold. After that I started tested a different configurations. It is low quality and poor craftsmanship that it will not last more than a month or so. I said okay maybe it is me let me read the manual more closely.
Okay that worked, only for about and hour and then same problem happen, input controls stop working and meter pegged and again this is just 1 TAPE DECK CONNECTED. Figured out the button (Tape 1>2/Tape22 + Audio/Video + Line/Tape LED Green. So I decided to give this unit one more try, by adding one piece at a time and testing one piece one piece at a time. What I have found out after opening the unit and putting it on a Oscilloscope, I found that the contacts in the switches are very poorly made and are solider to close together and are causing electrical interference.
I have a 2 Head deck, So I connected it to the EQ 200 and it worked okay, but still had problems with the buttons happened again. Tape to Tape dubbing is limited to only monitoring source, THAT IS CORRECT, when dubbing you can only list to the source Tape and not the dubbing tape to insure that the deck is recording okay. Then I noticed that I could not monitor tape recording output from Three head Deck and DBX record monitoring. When a button is depressed and testing the contacts on the Oscilloscope showed a little ambient noise -75dbm level, which is okay, but as you use the switch the noise level increases until it shorts, that is why when you power off and let the unit sit and power back on it works okay that is kind of a electrical discharge so to speak and the ambient noise is back to around -70 ~ -75dbm.
After getting the unit I was able to connect it quite simple in to my system. Powered off everything and tried again. Remember this is just 1 TAPE DECK. This was the only choice on the market. Closed circuit test revealed from 0 ~ 1 ohm resistance on average but fluctuated to inf at times.
Powered off all components and things went back to working. Please don't buy this unit. This product does not work. I added the Three Head Deck (Teac V711), to Tape1, then tested, worked okay for a while and then things started not working. I purchased this product to replace a Faulting ADC 215 Equalizer.
After several reset everything worked again. First the buttons, They are confusing, and don't work half the time. With the EQ connected to a deck that monitors it seem to short the input to the output, causing the input level control not to respond, not distortion but not good for you tape deck. This is a very poor design.
Really worth the money. This is a great item to add to your stereo system. Works best with the Audiosource preone/A pre-amplifier.
I had to make a drawing of each application (for example old turntable, jazz, classical) settings and change the sliders every time I change my CD or phono music. The equalizer works well, but a digital system that can "remember" various music types (classical, Jazz, Rock, etc) would have been more usefull. Next step is to upgrade to a better system I guess.
EVEN THOUGH THE COMPANY IS BASED IN AMERICA IT'S ACTUALLY CHEAP CHINESE JUNK. THE UNIT HAS A LEFT AND A RIGHT CHANNEL VOLUME CONTROL, IT WAS A NICE FEATURE IF YOU WANTED TO TWEAK THE BALANCE IN YOUR ROOM. THREE MONTHS AFTER I HAD IT THE EQ BUTTON STARTED ACTING UP AND CHANNELS WERE CUTTING OUT AND THE PROBLEM GOT PROGRESSIVELY WORSE. MANUFACTURED IN CHINA WITH CHEAP,INFERIOR PARTS. THEN THE RIGHT CHANNEL WENT SOUR AND DROPPED HALF ITS VOLUME.
THAT'S WHEN THE AUDIOSOURCE EQ200 TOOK A LITTLE TRIP TO THE GARBAGE DUMPSTER. THEN THE SOUND QUALITY WENT BAD ON IT. I READ THE REVIEWS OF THE PRODUCT AND DIDN'T LISTEN TO THEM. I STARTED GETTING DISTORTION AND I WOULD SOMETIMES GET THESE SONIC SCREECHES EVEN WITH THE TREBLE TURNED DOWN ON THE AMP. NO QUALITY WENT INTO THIS MACHINE, DON'T WASTE YOUR MONEY.
TO THE POINT THAT IT WAS TOTALLY ANNOYING. I CLEANED UP MY OLD TEAC EQUALIZER THAT I'VE HAD SINCE THE LATE 70'S AND MY SOUND SYSTEM IS BACK IN BUSINESS.
It shouldn't have gone bad so quickly. I'm using a Pioneer receiver that is pushing 10 years in age and it still works beautifully. It worked well for the first few months but then the left channel started getting static in it and soon went dead. I don't know if I just got a lemon or not but I won't be buying another.
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