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9 Jul 2013
Here are 2-photos of my new Keyboard Stand/Desk Design I just finished building this afternoon.
Although I haven't put pencil to paper, it looks like I spent (only) about $40 on materials for the Stand/Desk.
I went this design route as I write Trombone Performance Exercises as well as Music and Words generally so having this Music Rack will help me tremendously. I took about 80 photos during the design and build process and hope to get some DIY Build Plans written some time this century.

The monitors are sitting on 8-inch square sections of this incredibly thick, heavy and dense rubberized outdoor flooring I found at Lowes. ($5 for each 16" X 16" piece.) I may glue some thick steel plates on top of each to emulate in some small part what the Primacoustic Recoil Pads can do.

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26 Jun 2013
The following (Copyrighted) photos show how I changed out the Stock ECC83/12AT7 Tube of my sE Electronics Z5600A and replaced it with an early 1960’s “Made-In-England” Mullard ECC81/12AT7 Tube. (Informational Links at the bottom of page)

Changing a Tube in a Tube Microphone does not require high levels of technical or dexterity skills but it is best to do it in a clean and dust-free (as possible) environment making sure your hands are “squeaky clean” so as to not transfer oils from your skin to the glass tube surface. (I actually used a Nikon Camera-Lense Micro-Cloth to remove the stock tube and install the Mullard)

The Photo below is the sE Electronics Z5600A 9-Pattern Tube Condensor Mic, the #1 favorite in my small collection of mics.
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This next Photo shows the first part of disassembling the mic by unscrewing the bottom-cap.
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This Photo below shows the mic with its metallic body removed making the electronics on the front of the mic visible.
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In this Photo below, the microphone is turned around so the back electronics are visible along with the mic’s stock tube that is inserted in the cream color ceramic socket below the tube.
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This Photo below shows the Stock ECC83 Tube removed after gently pulling it out of its ceramic socket.
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In this Photo below, you can see the Stock Tube next to the Mullard Tube. The metal pins at the bottom of the tube are inserted into a matched set of holes in the ceramic socket.
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This Photo below shows the Mullard Tube in place and the metal housing partially installed.
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This photo below shows the microphone metal housing in place waiting for installation of the screw-on Bottom-Cap and the Photo below shows the mic completely re-assembled
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To learn a bit more about the types of Vacuum-Tubes used primarily in Audio, use these links:
Vacuum Tube Basics: Vacuum Tube Basics

How Vacuum Tubes Work: How Vacuum Tubes Work

At your own Risk: At your own Risk
23 Jun 2013
A number of years ago, my wife and I decided to have our basement remodeled which essentially meant taking things down to the studs and insulation. Fortunately, this allowed me to do SOME level of soundproofing but on a fairly tight budget. Unfortunately, that budget did not allow for the use of Limp Mass Vinyl and some other soundproofing processes that I hope I can do in any future room.

This remodel also gave me the opportunity to expand the size of my home studio room from a square 11ft X11ft to a rectangular room of 11ft X14ft and as you may already know, generally, it is better to have a rectangular room where your Studio Monitors are "shooting" sound down the LONGEST length of your room.

Below is a photo of my studio Before Construction (BC) and the walls were only covered with very cheap paneling that was installed when the house was built by the first owner in the 1980’s.
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Below is a photo of the room after tear down and as you can see, it was down to the studs and wall insulation and no insulation around the ceiling heating/cooling ductwork.
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My north wall and east walls, shown above, faced the outside (concrete foundation and Illinois soil) so no soundproofing was required (per se). However, as the West and South Walls had contact with other rooms in the basement, we did some easy to do low-cost soundproofing that you will see below.

In this photo below you can see that the space around the heating/cooling ductwork were reframed, filled with insulation THEN enclosed with 2 layers of drywall instead of just one.
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As far as the west and south walls and soundproofing, we made them each Double Wide Walls that measured 9 ¾ inches wide where half of the width was filled with insulation and the other half had nothing in it creating a Dead-Air Space once the layers of Double Drywall were installed as you can see in the photo below.
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What we also did to help with soundproofing was to use SOLID WOOD DOORS that are known to reduce transmission of sound. In the photo below, you can see one of the 2 doors installed AND the nice finished storage closet I ended up with due to the room expansion.
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In this photo below you can see the empty completed room and photo below that one shows the room as it is today after construction (AC). The room is not completely soundproof as one would like but there is such an amazing difference between BC and AC that the changes made on the budget allowed made the room much better.
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23 Jun 2013
There is always a lot of talk about sound absorbent panels in studio forums whereas the topic of soundproofing does not get as much "press", primarily because most of us are putting our home studios in rooms that are already built and dry-walled.

Because of this we end up looking for ways to acoustically compensate for rooms that were never really meant for what we use them for.

Fortunately, there are pages and pages online and in available books to help us with this "lovely" phenomenon most of us live with.

In regards to Soundproofing a room, it is generally good to do this during the construction phase or during reconstruction.

One of materials that can be used in Soundproofing a room is called Limp Mass Vinyl or LMV for short.

The following is a link to A page that will give you a nice introduction to LMV if you've not had one already.
It is an easy read and very informative. Limp Mass Vinyl
20 Jun 2013
My name is Bob G and I've been given the opportunity by Bogdan Radovic to be a part of this forum for which I am honored.

I am a former Professional Trombonist and actually started playing in school back in 1963.
I started playing guitars in 1968 have been "messing" with Recording in some form or fashion since about that same time.

I was a Symphony Orchestra and Musicians "Union Hall" Trombonist for 10 years and I've played for Ice Shows, Circuses, Broadway Show Performances, backed up Acts such as "The Canadian Brass", Carol Lawrence, Al Martino, Judy Collins, George Shearing and many others, have done Brass Ensemble Work for Archbishops, Bishops, and other High Church Celebrations for numerous Religions including some spectacular Ordinations. I also did some Multi-Track Recording Sessions back in the 1980s in a Studio that had New 24-track and "Half-Track Tape machines.

While in College studying Music, I studied for a time with a Berklee School of Music Guitar Grad' and studied Arranging with a retired NBC New York Arranger/Conductor.

Since 2004-2005, I have been involved with the DIY portion of recording as I built a Pretty Cool Studio Desk for only $80 that was considered for an Article in "Recording Magazine" and was featured in the online "MAKE" Magazine in December 2006.

Since then I have designed and built a number of items then created Build Plans that have been used in 22 countries across the world and all across the US.

In the (Copyrighted) photos below you can see my home studio that I have been building piece by piece since 1994.
I designed and built the Studio Desk (for $50) in 2009, I designed and built the solid wood Rack Cabinet in 2012 for $50 (the metal Rack Rail was another $35), the keyboard stand is still in design stage but at this point can be built for $30 or less dependent on the format it is built and Black Acoustic Panels are held up and away from the wall with a Mounting Unit I designed and built for under $12.

I also designed and built the "Black-Hole" Acoustic Panels behind the desk that are 8-inches deep with compressed fiberglass and other interesting sound absorbent materials and sound wave break up capacity.
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