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Product Specific Media
General Media
Tube or solid state? It's got both!
The PreSonus BlueTube DP Stereo Preamp is among the most versatile two-channel mic and instrument preamps in its class. Its Dual Path technology lets you choose between two preamp stages: a transparent solid-state or warm tube preamp. Each gain stage of the BlueTube DP is pure Class A with high headroom.
Each channel of the BlueTube DP includes a -20dB pad, polarity reverse, 80Hz filter, and +48v phantom power. On the front panel you'll find controls for solid state gain and switchable on/off tube drive. When the tube drive is off, the tube preamplifier stage is bypassed delivering ultra-quiet and transparent solid state preamplification.
Large analog VU meters provide precise visual monitoring. Dual Neutrik combo jacks for microphones or instruments provides quality I/O and make the BlueTube DP great as a DI for electric bass and guitar.
PreSonus BlueTube DP Stereo Dual Path Microphone/Instrument Preamp With 12AX7 Tube Features:
- Stereo microphone/instrument preamp
- Dual Class A gain stages
- Tube drive from 12AX7 tube
- Neutrik XLR and 1/4" High-Z combo input connectors
- Neutrik balanced XLR/TS 1/4" outputs
- 20dB pad, polarity reversal, and 80Hz filter on each channel
- 2 illuminated analog VU meters
- Input
- Connector Type: Neutrik combo
- XLR Impedance: 1.3K Ohms
- Hi-Z, 1/4": 1 Meg Ohms
- Output
- Connector Type: XLR and 1/4" TS
- Impedance: 51 Ohms
- Panel Controls
- Gain: 0dB to +54dB
- Tube Drive: 0% to 100%
- Phase Reversal
- -20dB Pad
- Phantom Power
- Meters
- Analog VU: -2odBu to +6dBu
- Clip Indicator: +22dBu
- Performance
- THD Noise (unweighted) solid state: < 0.005%
- THD Noise (unweighted) tube stage: 0.01% to 30%
- Signal To Noise: >95dB
- Power Supply Rejection: >98dB
- Physical
- Weight: 4 lbs.
- Dimensions: 8"W x 1.75"H x 5"D
- Mounting: Universal rack tray insert
- Power Supply
- Type: Linear
- Input: 16VAC / 1000mA
- Power: 16 Watts
- Transformer: External
PreSonus BlueTube DP Stereo Dual Path Microphone/Instrument Preamp With 12AX7 Tube Specifications:| adat output | no | | aes edu output | no | | height inches | 1.75 | | impedance selectable | No | | length inches | 5 | | max gain db | 54 | | number of channels | 2 | | pad | Yes | | phantom power | Yes | | quarter in balanced input | no | | quarter in balanced output | no | | quarter in unbalanced input | yes | | quarter in unbalanced output | yes | | rackmount | Yes | | rca input | no | | rca output | no | | spdif output | no | | special features | Tube and solid state | | thd percentage | 0.005 | | tube circuit | Yes | | width inches | 8 | | xlr input | yes | | xlr ouput | yes |
With our 30/30 Guarantee on most products, you can be assured of complete satisfaction and the lowest available price, or your money back!
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Great Portable Mic Preamp
I struggled with getting the levels I needed out of my Panasonic AGDVX100a until I got smart and picked up this little preamp.
I'm using a Rode shotgun mic and a Samson lavelier. I ran them both through the presonus and I got all the levels I needed without adding any significant noise.Although I've been keeping a very flat solid state boost, I've played with the tube drive and it does help round out the sound.
Overall, it's a good value and its portability is perfect for the kind of work I do.
Reviewed by Bill_W on 8/27/2007 who plays N/A.
3 people found this review helpful.
1 person found this review unhelpful.
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Ok Pre if used clean, but not worth it.
First of all, I own Presounus gear and I have nothing but good things to say about their products. However, this preamp is weak.
I got this because I wanted a preamp to use on the non-preamped inputs on my FIREBOX. The preamps on BLUETUBE are only as good as the ones already in my FIREBOX, and trying to use the tube even at minimum settings only brings distortion to the sound; I suppose that that would be ok for those looking for that distorted sound to instruments. This thing does not do what it is supposed to though, "warm" things up. Not at all!! I was able to get the same results using a cheap mixer (59.99). If you really want a tube preamp save your money and buy one of the high end ones, this one is not worth it.
Reviewed by Blu4U on 1/2/2007 who plays Polka.
4 people found this review helpful.
2 people found this review unhelpful.
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A good affordable Pre-Amp
Coming into this one, I really wasn't expecting much. But wow, this pre-amp is really great. The tubes give a guitar a really nice warmth, and even a little clipping sounds good in some applications. For the price, this pre-amp is well worth the money. It's also a nice feature that both channels have 48V Phantom Power.
Reviewed by Jules on 10/3/2006 who plays Various.
1 person found this review helpful.
0 people found this review unhelpful.
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Nice Warmth on Vocals...
I bought this little tube compressor for vocals. The standard effects that come on mixer equipment wasn't getting the sound I wanted. It adds a nice amount of warmth, like a tube should and gives plenty of boost. A good little piece of gear with tubes. It's not the same as spending a thousand bucks on a piece of equipment but it is a nice addition to the PA. I am considering adding another for acoustic guitar.
Reviewed by Grant Wiscour on 9/22/2006 who plays Road House Country.
1 person found this review helpful.
0 people found this review unhelpful.
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Disappointing Studio Preamp
I picked this up hoping to introduce some tube warmth before the signal hit my Firepod. (For vox and bass especially) I returned it less than a week later after finding out that the Bluetube failed to deliver on its primary function. I mean that the tube warmth promised of this unit is simply not there. I messed around with this thing for maybe 12-14 hours over 3 days and could not get an agreeable sound for vox. I tried the tube drive with my MXL 990 on a very low setting and worked my up to 5 or 6 on the dial. I found no difference at all in the sound until the sound became overdriven. Its almost as if the tube doesnt even engage at lower and medium levels of saturation. (Maybe a tube-swap is needed. Or maybe the tube is underpowered?) This was also the case for bass. The bluetube did nothing for me as a tube colored DI box.
I did find a nice sound for recording guitar direct with the tube drive set around 7. It did add a bit of crunch to the cold digital stream of sound. (But when you have a Peavey 5150 Tube Amp, whats the point of direct in?)
The Bluetube is a pretty nice solid state preamp. When the tube saturation is off, the unit has no trouble delivering clean and clear sound, but who wants that in a $200 TUBE preamp? Also, the -20db button and the 80hz highpass are nice features.
For me buying the Bluetube is like paying $40 for a crappy steak dinner because the salad and the dinner rolls are good but the steak is awful. Your paying for the steak, not the sides. While the "sides" of the Bluetube (solid-state, high pass, etc) are nice, the "steak" (the tube warmth) is simply horrible. Either save your money for a nicer preamp or do what I did. I saved $140 and got a warmer sounding ART Tube MP.
Reviewed by Bassman on 5/22/2007 who plays Rock, Folk, Blues.
4 people found this review helpful.
4 people found this review unhelpful.
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