#1
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phantom powered belt preamp
Its all popular these days to carve huge holes for complex preamps with a lot of knobs, but I'm looking for a phantom powered,XLR to 1/4" , piezo preamp (>1g input impedance). There was a $80 inline unit called the "Bigamp" from Triton Audio, but it doesnt seem to be in stock anywhere and the ebay unit i found was about 4x list MSRP.
I've seen someone in UK selling an Alex Rice derived board, but I'm in a bit of a hurry and don't want to start a project, especially if international shipping is involved. I see floor units, but apparently $200 is the new entry level switch in a box price,and I'd really rather get to buffered and balanced as close to the guitar jack as I can. LR Baggs gig pro is neither XLR nor phantom powered. (And i see no need for a battery in a device which could and should be phantom powered.) Does anyone make a readily available sub $100 phantom powered high impedance belt pack preamp? |
#2
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How about a Dee-Eye in a strap-mounted holder? Or just use a short pedalboard-type interconnect jack to have it mounted on the guitar jack?
Phil
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Solo Fingerstyle CDs: Two Steps Forward, One Step Back (2021) One Size Does Not Fit All (2018) I play Crosby, Emerald, Larrivée, Lowden, Rainsong & Tacoma guitars. Check out my Guitar Website. See guitar photos & info at my Guitars page. |
#3
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Thanks - that's very close. It fits everything except the input impedance. I'd like something a bit higher than 1M - I'll consider it if I can't find something closer.
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#4
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What pickup has an impedance of higher than 1M?
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#5
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Hmmm actually I see now the JJB site says 1M is ideal, and you might get excessive bass response with extremly high input impedance.
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#6
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Fishman platinum stage has 10 Mohm impedance input and can be powered via XLR phantom power
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Martin 00-18V Goldplus + internal mic (2003) Martin OM-28V + HFN + internal mic (1999) Eastman E6OM (2019) Trance Audio Amulet Yamaha FGX-412 (1998) Gibson Les Paul Standard 1958 Reissue (2013) Fender Stratocaster American Vintage 1954 (2014) http://acousticir.free.fr/ |
#7
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Quote:
However, I understand the desire for the ability to shape their tone. I prefer to have all my equipment on my pedal-board to minimize the weight I bear on my shoulders but the Fishman Platinum Stage Acoustic Guitar Preamp might be what you desire. Setting a price of $99, to me, is a formula for just missing the mark. If quality sound is what you're after, examine a couple of units (like the afore mentioned) from $150-$250 would yield far better end results. |
#8
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Oh there's still PLENTY to be had, even from the big names. And it still seems to be the norm in guitars with built in pickups.
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#9
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Luckily, no one has to buy them. You can just focus on getting a great sound. Good luck.
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#10
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Radial SB-4 enroute. The AC Driver was interesting but neither phantom nor battery powered. My Guild OM-240CE has a UST (which I hate, and intend to replace with a JJB 330 some day), and I've got a JJB 330 on the way for my Alvarez ABT-60.
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#11
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Quote:
https://drive.google.com/open?id=0B_...2xJQnA1Y0VZdFk https://drive.google.com/open?id=0B_...ll0WnlldTBBblk This one with a volume control (it has a male 1/4" jack that plugs into the guitar strap jack): https://drive.google.com/open?id=1cU...vsBbrwQnjkLM1w Here's a 500K volume control you can buy which is close enough to the 1M target: http://www.bluestarmusic.com/Schatte...ol_p_1016.html
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jf45ir Free DIY Acoustic Guitar IR Generator .wav file, 30 seconds, pickup left, mic right, open position strumming best...send to direct email below I'll send you 100/0, 75/25, 50/50 & 0/100 IR/Bypass IRs IR Demo, read the description too: https://youtu.be/SELEE4yugjE My duo's website and my email... [email protected] Jon Fields Last edited by jonfields45; 09-16-2018 at 12:36 PM. |
#12
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So I've done some more reading about the expected input impedance for the JJB's. The higher the input impedance, the less peaky/quaky it will be. You might get more bass than you want, but there's a HPF. Some folks are saying that the "official story line" from the folks at JJB is suggesting a lower than optimal impedance (for the peakiness) in order to tame the bass response.
I don't think for a minute that these things are "designed" in the traditional engineering sense. There's precious little actual engineering work that goes into Musical Instrument products aside from the biggest of companies. ALL piezo pickups are assemblies of off the shelf commercial components. |
#13
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The Headway EDM-1 looks promising with belt clip, phantom power, variable 3-way impedance input switch, notch, three band EQ and battery operation. Supposedly uses really high-end components. I have no experience - yet. More than you're looking to pay though at just over $200 new. I just found a used one for $99 so I scooped that up as I was looking for something like the K&K belt clip amp (battery powered) but that also had a notch. Just ordered today so will give a review in a week or so when I get it.
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#14
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Jon, that is a very cool and doable solution on the cheap!
Also, since we are talking about amplification, the fix could be as easy as using a buffer at the front end of your signal chain. Since I will be in the market a stage tuner soon, something like the Boss TU-3 might be just the ticket. A pedal tuner a 1Mohm input to buffer the signal of the SBT before the quality pre of choice? just thinking.....hmmm?
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Don't chase tone. Make tone. |
#15
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Quote:
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jf45ir Free DIY Acoustic Guitar IR Generator .wav file, 30 seconds, pickup left, mic right, open position strumming best...send to direct email below I'll send you 100/0, 75/25, 50/50 & 0/100 IR/Bypass IRs IR Demo, read the description too: https://youtu.be/SELEE4yugjE My duo's website and my email... [email protected] Jon Fields |