Takamine TS1 Acoustic Guitar Pre Amp

volkatron · 17th October 2010, 08:36 PM

I have an acoustic guitar with a TS1 pre amp but it's not working. I checked the output cable, the jack input and the piezo mic and they all are working.

It is something in the preamp. I changed the battery but still nothing. Any Ideas?

http://www.promusicaustralia.com/guitar/takad/TS1.JPG

Cheers

Iain McNeill · 17th October 2010, 08:41 PM

engineering 101 part 3:
Check you're not using a stereo 1/4 cable to connect. The TS1 will power up by a ring-sleeve short.

Assuming that's not the case, then there seems to be a problem. Pull the unit out and do a visual inspection. You know the drill: loose wires, burnt parts, corrosion, beer, sandwiches

volkatron · 18th October 2010, 05:04 AM

Quote:

Originally Posted by Iain McNeill

engineering 101 part 3:
Check you're not using a stereo 1/4 cable to connect. The TS1 will power up by a ring-sleeve short.

Thanks mate, did an inspection, all good and what is a ring-sleeve short?

volkatron · 18th October 2010, 05:19 AM

Ok I just did a bit of googling. The lead I was using was a stereo lead. So this will make it not work?

Iain McNeill · 18th October 2010, 02:26 PM

Yes, the battery is connected to the ring of the guitar jack and needs a mono plug to short it to the ground/sleeve. This disconnects the battery when you unplug. A stereo plug won't connect the battery -ve to ground so no power.

volkatron · 10th November 2010, 03:56 PM

Thanks mate, turned out to be it got wet somehow, best to buy a new one the guy said. Do you know where I can buy a new TS-1 Preamp online?

indianajo · 07:16 PM

You might have to buy one to make your gig on Saturday or something, but don't give up. This is DIYaudio, so just do it. I have used a complicated digital data recording system that had sunk in the Mediterranean for a week. (repair shop mule, they weren't sending it back to Ethiopia or anything). That company also was using as a mainframe a computer that had been bombed at the University of Wisconsen by the weather underground. their labor costs were a little below average, and you, as an amateur, have no labor costs at all! Think what you can learn! without tuition!
Take any battery out of your device, open it completely,unplug everything, wash off with detergeant and water, rinse with de-ionized water. Erase the connectors with pink pearl eraser or equivalent.Dry for 3 days in a dry room, or a toaster oven set to just barely warm. Try it. If no go, find a schematic & we'll help you work through it.
My H182 organ had been on fire once before I bought it. Dealer service didn't replace the burned wiring! I did, and now it has it's Own Fuse! life gets better & better, Kanzai they say.

17th October 2010, 08:36 PM	#1
volkatron diyAudio Member Join Date: Jul 2010	Takamine TS1 Acoustic Guitar Pre Amp I have an acoustic guitar with a TS1 pre amp but it's not working. I checked the output cable, the jack input and the piezo mic and they all are working. It is something in the preamp. I changed the battery but still nothing. Any Ideas? http://www.promusicaustralia.com/guitar/takad/TS1.JPG Cheers

10th November 2010, 07:08 PM	#7
indianajo diyAudio Member Join Date: Jan 2010 Location: Jeffersonville, Indiana USA	Don't give up You might have to buy one to make your gig on Saturday or something, but don't give up. This is DIYaudio, so just do it. I have used a complicated digital data recording system that had sunk in the Mediterranean for a week. (repair shop mule, they weren't sending it back to Ethiopia or anything). That company also was using as a mainframe a computer that had been bombed at the University of Wisconsen by the weather underground. their labor costs were a little below average, and you, as an amateur, have no labor costs at all! Think what you can learn! without tuition! Take any battery out of your device, open it completely,unplug everything, wash off with detergeant and water, rinse with de-ionized water. Erase the connectors with pink pearl eraser or equivalent.Dry for 3 days in a dry room, or a toaster oven set to just barely warm. Try it. If no go, find a schematic & we'll help you work through it. My H182 organ had been on fire once before I bought it. Dealer service didn't replace the burned wiring! I did, and now it has it's Own Fuse! life gets better & better, Kanzai they say. __________________ Dynakit ST70, ST120, PAS2,Hammond H182(2 ea),H112,A100,10-82TC,Peavey CS800S,SP2-XT's, T-300 HF Projs, Steinway console, Herald RA88a mixer, Wurlitzer 4500 Last edited by indianajo; 10th November 2010 at 07:16 PM.

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17th October 2010, 08:41 PM	#2
Iain McNeill diyAudio Moderator Join Date: Oct 2007 Location: Santa Cruz, California	engineering 101 part 3: Check you're not using a stereo 1/4 cable to connect. The TS1 will power up by a ring-sleeve short. Assuming that's not the case, then there seems to be a problem. Pull the unit out and do a visual inspection. You know the drill: loose wires, burnt parts, corrosion, beer, sandwiches

18th October 2010, 05:19 AM	#4
volkatron diyAudio Member Join Date: Jul 2010	Ok I just did a bit of googling. The lead I was using was a stereo lead. So this will make it not work?

18th October 2010, 02:26 PM	#5
Iain McNeill diyAudio Moderator Join Date: Oct 2007 Location: Santa Cruz, California	Yes, the battery is connected to the ring of the guitar jack and needs a mono plug to short it to the ground/sleeve. This disconnects the battery when you unplug. A stereo plug won't connect the battery -ve to ground so no power.

10th November 2010, 03:56 PM	#6
volkatron diyAudio Member Join Date: Jul 2010	Thanks mate, turned out to be it got wet somehow, best to buy a new one the guy said. Do you know where I can buy a new TS-1 Preamp online?

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