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Messages - stellavox

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Events / Re: Happy New Year! Big changes coming
« on: January 02, 2015, 02:39:02 PM »
Hey Doc - Best to you and the QUEEN

Charles (King)

General Discussion / Merry Christmas / Happy Holidays Tapesters!!
« on: December 22, 2014, 05:27:04 AM »
be WELL and Continue to Enjoy the MUSIC!

Tape Tech / Re: What causes the warbled sound on tape? (reel to reel)
« on: December 01, 2014, 09:12:14 AM »
You might try cleaning the pinch roller.  How old / long since you used the deck?  Roller could have hardened up or not be making enough contact / pressure with the capstan.  Or is the supply reel binding up and causing a "back pressure" on the tape?


Tape Tech / Denon DH150 schematic needed
« on: November 18, 2014, 07:47:57 AM »
Want to see how the remote control socket is wired internally.



General Discussion / Re: Analog Album Advice...
« on: November 14, 2014, 08:58:12 AM »

Where do you live - asking so we might be able to put you in touch with some "locals" either with similar interests or could help you out "directly"


A customer sent me a Teac AN-180 for "upgrading".  This activity allowed me to "update my understanding of" Dolby B decoders in general, this Teac, and an Advent 100A that I happened to have in my "to do" pile.

Most of these "stand alone" decoders were designed to "plug in" between your tape recorder and your system's preamplifier / control section and decode a pre-recorded tape that was encoded with Dolby B noise reduction.   

The "upgrades" consisted of replacing 3 or 4 coupling capacitors in the input stages of the decoding section and adding regulation to the power supplies.  The Teac  had a "first generation op amp" in the output section which I bypassed.  The output amplifier in the Advent was discrete so I left it in.

Listened to both finished units and slightly preferred the Advent.  Sent both to the customer, and he did also.  He may keep it - or it's "up for grabs".




It was there! Much Thanks


Tape Tech / Teac AN-180 or AN-80 service manual / schematics needed
« on: May 28, 2014, 12:47:01 PM »
Mainly the schematics



Reel to Reel Tape Machines / Re: Newbe from Ohio
« on: April 20, 2014, 05:25:50 AM »

And your name is....

Let us know if you need any help (or encouragement) - reasonably friendly folks here...


General Discussion / Re: I REMEMBER WHEN ............
« on: April 20, 2014, 05:23:25 AM »
NICE Post Bob!


Reel to Reel Tape Machines / Re: New member, just wanted to say hi.
« on: January 27, 2014, 06:57:48 AM »
Welcome aboard Spiros


Reel to Reel Tape Machines / Re: Technics RS-1500 with flourescent VUs
« on: January 27, 2014, 06:55:17 AM »
Where do you plan to fit them?  Why Studer bias coils.


General Discussion / Re: Early Stereo Tapes
« on: January 26, 2014, 09:52:12 PM »
See "2 track era" in the pre-recorded tapes thread, starting Nov 30,2011


General Discussion / Re: To all of my wonderful friends here
« on: January 04, 2014, 07:09:03 AM »
Happy and Healthy (and prosperous even) New Year to all. 

Enjoy; find solace, comfort and peace with your music in WHATEVER form you listen.

However, tape isn't a bad choice.

Keep your heads clean and your tails out!


Tape Tech / Re: Dolby B decoder "troubles"
« on: November 20, 2013, 06:31:28 AM »

How you doin' buddy?!!  Were you at RMAF - if so, missed you.

Regarding your comments on consumer decoders - and for others going this route - all the "B" decoders had to use the same "Dolby approved" circuit.  The components they used were up to them - and economics dictated.  As many DIY'ers have found, swapping out the coupling electrolytic caps in the signal path typically makes a BIG improvement.   And there is some GREAT sound on those Barkley-Crockers!

Keep up your great "tapester" work!


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