this unit has a under bridge piezo as well as a microphone..

https://www.ebay.com.au/itm/Acoustic-Guitar-Pickup-Preamp-Tuner-MIC-Prener-PM-Guitar-Preamp-W-MIC/402031957391?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649

has anyone tried one?  At only $32 AUD delivered by slow boat from china thought i would get one.

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  • Hi again.
    Two thoughts on your build, if I may.
    If you are looking for and acoustic sound, making the body deeper will aid in the fitting of the p/up but a thick top will be restricting the movement of the air in the body, so limiting acoustic volume and tone.
    Whatever you leave the side thickness at around the perimeter, say 25mm, consider the depth of the pre amp, as that is 35mm and cutting a hole for it in the side may leave a very week area. There will be little to no support from the sides above or below the pre-amp. I hope this makes sense.
    Here is some photos that may give you some ideas.
    8018985082?profile=RESIZE_710x

    8018986054?profile=RESIZE_710x Both these wre not for acoustic guitars. Taff

    • Those look great Taff.

    • thanks for the ideas. 

      im not after a full acoustic sound or volume. the idea was to blend the bridge pizeo with the microphone to give a more acoustic tone. this first one is a "build it and see", which is why the cheap parts used. if it comes out half decent as a proof of concept i will possibly look into improving it with better parts and woods. thats also why i will go for a 3 to 4mm plywood top and back and as you suggest a 35 to 40mm thick rim so the top and back are supported enough near the pickup control.battery box and output jack will be ok.

  • Hi Tim, your praise may be misdirected, but thanks anyway. I have had a few misfortunes over the years I have been building, what I learned from them is as follows.


    • I created a new inlay idea to cover up
    • I come with a new design feature to cover up
    • I learned what does not work
    • I learned what does work, after I found out what does not
    • I learned from that mistake
    • I learned that nothing ventured nothing gained
    • I have also come to the realisation that this guitar building experience is a bottomless barrel of ideas and beliefs, from all sorts of builders. My way has always been to take these ideas on board, but not as gospel. I like to see if it works for me.


    My first attempt at a type guitar you are thinking of is in the picture, 22 years ago. It was routed as you suggested with a Spruce top. It was 35mm deep. I cannot remember why, but it did not turn out the way I thought it should, as an acoustic. So, to cover up the mistakes I cut out the portion of the top that had the acoustic bridge glued to it, inlaid a solid block, fitted a scratch plate and into that mounted the bridge and pickup. It sold within a few weeks of being finished.
    8018981899?profile=RESIZE_710xCheers Taff

  • im no Taffy Evans..lol.  i'll be lucky if it makes a decent sound..

  • absolutely right. std Tele is about 42mm thick.this is going to be at least 60mmthick and probably will aim for 65mm as the box for the pizeo is 59 mm wide on the outside...

    8013332699?profile=RESIZE_710x

    • Good. Those Fenders can sound a bit thin, so some extra width will add some depth to the sound.

  • cheers Taffy

    ok plan is to make a poormans Acoustasonic Telecaster.  i have bought a fretted maple neck 25.5" scale. i bought this pizeo pickup and a single coil bridge tele pickup . i have  a acoustic bridge in the way too.

    i want a blend pot to blend between the electric pickup and the pizeo. any idea on size? 500K linear?will probably feed the output of the blend into a 250K Audio taper pot for master volume. 

    my bigest dilema is what wood to build out of?  and construction method. Do i use a solid slab and route out the inside or do i construct a "ring" of timber and use a back and top like an acoustic? except im not good enough for a proper acoustic style..lol thinking of 3 or 4mm maple ply for top and bottom as i dont expect this thin to sound like a taylor or an Evans...lol

    • Hi Timothy, Those Acoustasonic guitars are nice. I would make one suggestion though. Fender makes them with a 2" thick(Outside measurement) body and I would say the thicker the body-the better acoustical property you'll get. Even 1" extra would help.

  • Hi Tim yes I have used them for a number of years, both the cheap Chinese models like you show here, for CBG's and cheep guitars, and the more pro types made in the USA at 9-10 times the cost. They work ok, but you get what you pay for. I'd say go for it. Things are a bit slow out of China at the moment. I'm installing one right now. 
    Taff

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