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Listed in category: Musical Instruments > Guitars > Guitar Accessories > Pedals, Effects > Processors

Valve tube microphone guitar preamp pre amplifier kit

 Item number: 190200079786
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Valve tube microphone guitar preamp pre amplifier kit
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Buy It Now price: AU $12.00 
Postage costs:
AU $4.00 (discount available)
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Service to Australia
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Posts to:Worldwide
Item location:Frankston SE Victoria, Australia
Quantity:0 available
History:Purchases
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Seller:vk3kcg( 882Feedback score is 500 to 999) About MeTop 1000 Reviewer
Feedback:99.3 % Positive
Member:since 03-Apr-03 in Australia
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VK3KCG
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Want a Tube Preamp that can be used as a Microphone preamplifier or Guitar preamp or distortion unit. Well I had around 250 military grade Raytheon tubes so I designed a really neat general purpose preamp. This runs on batteries, one 9 Volt and one 1.5 volt, battery life is close to 200 hours. Using battery power gets rid of any hum or earth loops. The kit consists of one Raytheon Vacuum tube, 2 capacitors, 3 resistors, a 9 V battery snap, 1.5 volt battery holder and a Tag strip.

Comes with circuit and instructions and all the above components to make either a high quality TRIODE preamp for Audiophile use or can be wired as a Pentode to get great overdriven guitar sounds. Input impedance is 1 Meg and output is 100K Ohms. So simple a 10 year old could build it.






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Questions from other members
Question & AnswerAnswered On
Q: Do you include details on adding tone controls? 30-May-08
A: I have never looked at adding tone controls, there are plenty of circuits on the web.
Q: This kit looks great! I thinking of making some of these kits into little preamp boxes for budget clip on accoustic pickups. What value pot would...more01-May-08
A: I would use a 500K pot and the Valve does not even get warm, it stays cold.
Q: Hi. I am looking at makign a valve overdrive/distorion pedal, and was wondering if this kit would be a suitable starting point for it? I notice that you...more16-Apr-08
A: I have a fair stock of valves as I have bought a few hundred to put on the self. These tubes being used on low voltage should last 25 years at least. I...more
Q: What input and output connections are on your little guitarpreamp? Just assempled a small tube mono amp to use as part of a home brew set up but need...more09-Apr-08
A: Hi Ray, it has just one in and one out, you can add a switch to get distortion or clean through the preamp. I have had a lot of positive remarks about...more
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