 .:Music Technologies Group:. |
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MTG Pro One TurboCPU MIDI 
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MIDI Patch Changer Keypad 
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Synth & Drum Upgrades 
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EPROM Data Library 
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Misc Parts For Sale 
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Old Projects & Repairs 
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| Community: ~ blog ~ ~ videos ~ ~ facebook ~ |
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The following are parts that I have extra of as a result of repairs or projects. In most cases I was required to buy a larger quantity than I needed (sometimes by quite a lot) in order to find an identical replacement part. The parts can be ordered by PayPal. Email me.
I did not take all the photos, but they are always representative of the part. |
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More great chips and other semi's here: ExcessInventory.htm |
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JD S-Series Keylock Switch, 3, 5, 7, 9 Position - New with keys I have boxes of these from way back when.
I'm not sure if they are actual APEM or knock-offs or what. There are no momentary positions. They all click into place. Key B001 - 3 positions, Key B002 - 5 positions, Key B003 - 7 positions, Key B004 - 9 positions (goes all the way around). |
$3.50 each | 100? |
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For a Yamaha DX/TX repair: Tactile Momentary Switch, 6mm x 6mm, SPST normally open, through hole mount, 4.3mm x 6.5mm (switch height x pitch), 1,000,000 ops min. | $1 each | 13 |
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Similar to above except a Chinese knock-off. Still good quality but a slightly taller plunger. Great for your own projects. They come in small bags of 20. | $7.50/bag | 4 bags |
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MEC 1052612 multimec SPST NO (normally open) tactile switch. |
Q1-9 $1.00
Q10+ |
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Four position rotary switch as used in the Sequential Circuits Pro One for Octave selection. This is the real deal. | $10 | 2 |
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Replacement 3.6v Lithium battery for battery backed SRAM memory. Also known as COMP-4-5P and TL5101/P. This is 1/2 AA format as shown. This is not a NiCad. Handle with care. (Made in France by Saft) | $5 | 2 |
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Burr-Brown PCM54HP 16-Bit Digital-to-Analog Converter. 28 pin 0.600" DIP package. | $15 | 1 |
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SSM2011 - (Solid State Micro Technology For Music) SSM-2011 low noise wide band preamplifier. http://www.ka-electronics.com/images/SSM/SSM2011.pdf | $10 | 0 |
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SSM2014 - (Solid State Micro Technology For Music) SSM-2014 Voltage Controlled Amplifier (VCA/OVCE). http://www.ka-electronics.com/images/SSM/SSM2014.pdf | $10 | 0 |
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SSM2016 - (Solid State Micro Technology For Music) SSM-2016 Ultra low noise differential audio preamplifier (microphone preamp). http://www.ka-electronics.com/images/SSM/SSM2016.pdf | $10 | 0 |
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SSM2044 - (Solid State Micro Technology For Music) SSM-2044 4 Pole Voltage Controlled Filter/Oscillator VCF. http://www.ka-electronics.com/images/SSM/SSM2044.pdf | $20 | 0 |
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SSM2045 - (Solid State Micro Technology For Music) SSM-2045 Music Voicing System http://www.ka-electronics.com/images/SSM/SSM2045.pdf | $20 | 0 |
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SSM2300 - (Solid State Micro Technology For Music) SSM-2300 8-Channel Multiplexed Sample-and-Hold. http://www.maxmidi.com/diy/ssm/ssm2300.pdf (other PDFs here too) | $20 | 2 |
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6581 SID - The MOS Technology 6581 Sound Interface Device chip. (file photo) | $25 | 0 |
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Sharp IR9022 IR-9022 dual op-amp. Commonly used in Roland and similar gear. See: http://www.ic-on-line.cn/IOL/datasheet/ir9022_215349.pdf | $5 | 3 |
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40H000 Quad low power CMOS nand gate. 14 pin DIP. | $10 | 3 |
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Rohm TA-60 TA60 SIP SIL Transistor Array Chip, NOS See: http://www.musictechnologiesgroup.com/files/TA54-78s.pdf | $5 | 5 |
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Rohm TA-78 TA78 SIP SIL Transistor Array Chip, NOS See: http://www.musictechnologiesgroup.com/files/TA54-78s.pdf | $5 | 5 |
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60mm 10k "A" taper stereo fader (dual slider). Alps ... more info to follow. I used this to repair the volume slider on an Alesis HR-16. It has a metal shaft instead of plastic. | $5 | 0 |
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60mm 10k "B" taper stereo fader (dual slider). Alps. | $5 | 0 |
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C&K, C & K - L Series Miniature Slide Switches. Part Number L204-09-1-MS-02-Q same as L204091MS02Q This is a DP4T CK slide switch, PC mount with a 0.25" actuator height. Very similar to L204011MS02Q and L204121MS02Q. See this page for comparison. It's possible these might work for a Pro One or Octave Cat, but you have an extra position or two that you'd just cut the legs off of I imagine. I've never tried that, but I have so many of theses, it's a waste to see them sit around. | $1 ea | 1000 |
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Contact grant[at]musictechnologiesgroup.com |
