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- High-end pre-amplification for all microphone, instrument and line-level sources. Specifically designed for studio-grade condenser mics
- Perfectly matches your studio, live and hard disk recording set-up
- Ultra-flexible Preamp Modeling allows you to optimize your recordings
- Choose between 16 preamp voicings designed for electric and acoustic guitars, keyboards, bass guitars, drums, vocals and more
- Built-in USB/Audio Interface to connect directly to your computer. Free audio recording, editing and podcasting software plus 150 instrument/effect plug-ins downloadable at behringer.com
- Powerful Phones output with Level control and Direct Monitor select
- Hand-selected 12AX7 vacuum tube with UTC technology for exceptional warmth and lowest noise
- Ensures outstanding signal transparency when used as a high-end DI-box
- Sophisticated output limiter prevents the output signal from clipping
- Dedicated low cut filter eliminates unwanted noise, e.g. floor rumble
- +48 V phantom power, Phase Reverse switch and 20 dB Pad for utmost flexibility
- Highly accurate 8-segment LED level meter
- Balanced inputs and outputs on ¼" TRS and XLR connectors
- Designed and engineered in Germany
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PreSonusʼ popular Class A XMAX preamps are widely lauded for their clarity and transparency. Our tube preamps are beloved for their warm, smooth sound. With the Blue Tube DP V2 dual-path mic/instrument preamp, you get both types of high-quality sound in one unit.
Now weʼve improved on the classic unit with the BlueTube DP V2. The solid-state path now feeds PreSonusʼ top-of-the-line Class A XMAX™ mic preamplifier with 80 dB of variable gain—an upgrade from the original BlueTube DPʼs solid-state stage.
You still get all the secondary features you expect in a professional-grade preamp: 48V phantom power, an 80 Hz high-pass filter, -20 dB pad to control hot input signals, and a polarity-reverse switch. Each channel has an illuminated VU meter so you can visually monitor your input levels.
A Tube Drive control provides a wide range of sounds: when itʼs clicked off, youʼre using the solid-state preamp for quiet, transparent amplification; when itʼs engaged, your signals flow through the tube preamp, and you can achieve anything from gentle warmth to edgy distortion.
2 input channels, each with:
High-headroom Class A XMAX™ mic preamplifier with 80 dB gain range
12AX7 vacuum tube gain stage
Tube Drive tube-saturation control
48V phantom power
80 Hz high-pass filter
-20 dB pad to reduce hot input levels
Polarity-reverse switch
Illuminated analog VU input-level meter
Input/Output
2 balanced combo mic/unbalanced instrument inputs
2 balanced XLR main (L/R) line outputs
2 unbalanced ¼” main (L/R) line outputs
Physical
Compact 1/2U chassis
External 12 VDC, 1A power supply
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The U5 high-voltage DI-preamp combines a unique passive tone selector with a variable
gain preamp and filter. The high input impedance accepts a wide variety of signal levels
and instruments from acoustic guitars to high-output active bass guitars and keyboards.
The U5 direct box is loaded with sonic character and user features professionals demand.
U5 FEATURES
Pure Class A, 100% discrete design
Smooth musical detail and sonic excellence
Variable gain preamp to +30dB.
Dual microphone and line outputs
Hi-Z 3,000,000 ohm input impedance
Very low noise -100dB
High headroom +30dB
Six tone bank selections.
DC coupled Class A output for superior bass
High cut switch eliminates noise
LED active signal indicator
Headphone monitor output jack
Low distortion less than 0.5% THD and IMD
High level 400 watt speaker input
Active to thru selector - ground isolation switch
100% discrete power supplies for audio path
Internal toroidal power supply for low noise
Long lasting, stainless steel hardware
SONIC EXCELLENCE
The Avalon U5 Pure Class A instrument DI & preamplifier is the most powerful direct box
available today. Designed to optimize absolute signal integrity and musical performance,
the U5 includes many features and sonic excellence unequaled by lesser designs. The
U5 is ideal for bass guitar and acoustic instruments, electric guitars, keyboards, synthesizers
and low output pickups.
Features include state-of-the-art, high input impedance input stage for zero load effect on
sensitive pickups and keyboards, 100% discrete, Pure Class A signal amplifiers, practical
user features and rugged hardware designed to deliver true high performance audio for many
years.
DESIGNED FOR DEEP & CONTROLLED BASS
Avalon U5 DI-preamps have been in use around the world since 1995. They have found their way
into the world's leading musicians rigs and recording sessions and been featured on thousands
of the best selling (and sounding) albums and live performances.
MINIMUM SIGNAL PATH DESIGN
The U5 includes a variable gain Class A preamplifier to boost low level pickup signals and a high
level speaker input for capturing the live sound of the instruments amplifier. Six passive tone-EQ
curves are also included to enhance a variety of acoustic and electric instruments. A high-cut switch
eliminates unwanted acoustic pickup and high frequency noise, while a headphone monitor amp
has been included for personal listening. Twin DC coupled Class A output amplifiers drive both low
level microphone preamp inputs and high level +4dB inputs for direct to tape recording or processing.
The active-to-thru switch selects either the instrument input directly or sends the boosted-equalized
signal to the amplifier via the front panel jack. A ground isolation switch eliminates any possible earth
loop or AC buzz problems with complete safety.
U5 SPECIFICATIONS
Circuit Topology: 100% discrete, high-voltage Class A
Gain: Switched 3dB steps, maximum gain +30dB
Input Impedance: 3 ,000,000 ohm unbalanced (single ended)
Maximum Input Level +24dBu unbalanced, 400w speaker input
Output Connectors (2): XLR type, pin 2 hot electronic balanced
Maximum Output Level (Class A): +30dBu DC coupled, balanced 600 ohms (mic and line out)
Headphone Output: 0.5w into 600 ohms
Noise 20kHz Unweighted: -100dBu minimum gain position
Distortion THD, IMD: 0.1% at +10dB
Frequency Response, -/+0.5dB: 5Hz to 100kHz
Frequency Response, -3dB: 1Hz to 500kHz (input band limited)
High Cut Filter: -3dB at 8kHz minimum phase design
Tone Selector: Six position rotary switch, all passive filters
AC Power: Internal toroidal AC supply
Dimensions: 8.5 x 3.5 x 12 in (216 x 88 x 305mm)
Weight-Packed: 12lbs (5.4kg)
Rack mount kit (1) RM-1: Single U5 19 inch rack mount kit (holds one half rack unit)
Rack mount kit (2) RM-2: Dual U5 19 inch rack mount kit (holds two half rack units)
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- 1 microphone, XLR (bal.) or 6.3 mm jack (unbal.)
- Gain control, 10 steps (6-50 dB)
- Phantom power can be switched on
- Clip LED
- 1 line output, XLR (bal.) or 6.3 mm (unbal.)
- Operation via supplied power unit
Power supply: | 12 V DC, 150 mA | Input impedance: | 10 kohms bal./unbal. | Max. input level: | +4 dB bal./+10 dB unbal. | Gain: | 50 dB XLR/44 dB jack | T.H.D.: | 0.01 % | Frequency range: | 25 Hz - 16 kHz | S/N ratio: | >75 dB | Dimensions: | 143 x 93 x 45 mm | Weight: | 350 g |
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The PRE-73 Mk2 is the first one-channel low-cost preamp on the market that is using a fully discrete signal path with three separate transformers for the balanced mic input, the line input and the output.
The circuit is very similar to the classical preamp section of the Neve 1073 pre/eq module with a corresponding sound character that is warm, punchy, sweet and musical.
This classical sound has been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres.
The PRE-73 Mk2 has a maximum gain of 80 dB on the mic input and the gain range on the Line input is -20 to + 10 dB. There is also a high-impedance instrument input.
The PRE-73 Mk2 is perfect for almost any signal source, no matter if it's a microphone with a high or low sensitivity (like a passive ribbon mic), a syntheziser or sound module or an electric guitar or bass.
The input impedance of the microphone input can be switched between 300 and 1200 ohms, which makes it possible to affect the tone of most microphones. There is also phase switch and an simple 4-step LED signal level meter.
The output level control makes it possible to make fine gain adjustments and also to overload the main gain stage for more character and then lower the signal to a suitable level before the output stage.
The Mk2 update consists of:
- An unbalanced insert jack (nominal level about 18 dBu) added on the back panel for inserting units like the coming GAP EQ-73, a three band eq.
- LED meter levels adjusted.
- 600 Ohm termination resistor and jumper added to power supply board (accessible from the inside of the unit).
- Revised Gain switch, turning the know clockwise now increase the gain.
- Reduced noise at high gains by a change to the power supply grounding scheme. |
Features Superlative sound Studio quality mic preamp Total control - Input Gain, EQ contour, Output Gain, Overload indicator Multiple output connectors XLR/jack combo input Switchable 48 V DC Phantom Power for condenser Mics Compact, computer friendly package Needs no external power supply ARX is proud to introduce the e-pre - the ultimate microphone pre-amp for hard disk recording, designed by audio professionals, not computer engineers. The all-new e-pre is so much a part of your system that it fits right into a spare 5?" slot in your computer case! It's the perfect tool for all your day-to-day recording requirements. No equipment racks to plug in, no masses of cabling to connect - the e-pre is ready and waiting when you need it. The e-pre is a studio quality microphone pre-amp using the same internal components as high end mixing consoles, built into a compact, computer friendly package. It has controls for: Input Gain - fully variable from 10dB through to 60dB to suit all types of microphones, plus switchable 48 V Phantom Power to enable condenser microphones to deliver their best. A Contour control for EQ sweetening, providing fast, easy access to a whole range of useful EQ curves Output level control - fully variable to match the e-pre's output to the input of the sound card. From -10dB consumer cards through to +4dB for professional sound cards, the e-pre can handle it. Multiple output connectors match up with any kind of sound card, including mini jacks, standard jack, RCA (phono) plugs, and even a connector to link to the internal CD ROM audio input of your sound card (if fitted). We've even fitted a 12 VDC input connector on the rear to enable the e-pre to run from an external power supply if required (eg for use with notebook computers or stand-alone use).
Any way you look at it, the e-pre by ARX is the total professional microphone pre-amp for all your hard disk recording needs
e-pre Benefits Professional Balanced XLR mic input True 48v phantom power Runs into the Line input of ANY sound card - uses the card you've already paid for High headroom = clean recordings Smart EQ Compatible with non-computer audio equipment Professional performance and specs in a user friendly package
T E C H N I C A L S P E C I F I C A T I O N S Input Impedance Mic 2 K Ohms Balanced; XLR type Pin 1 Audio Ground, Pin 2 +, Pin 3- Line 25 K Ohms Balanced, ?" TRS jack Tip +, Ring , Sleeve Audio Ground Phantom Power Voltage Switchable +48 V DC on XLR Pins 2 and 3 Max Input Level Mic +15 dB, Line +20 dB Input Gain 10 dB Minimum, variable to 60 dB Maximum Output Level -10 dB variable through 0 dB to +4 dB Overload Indicator Measured at all Gain points throughout the circuitry Output Noise -90 dB Unweighted, -97 dB 'A' weighted (Measured with Gain nominal 20 dB, Output level -10 dB) Frequency Response 20 - 20 KHz ± 0.25 dB Distortion 100 Hz 0.0085% 1 KHz 0.008% 10 KHz 0.0083% (Measured with Mic Gain 20 dB, Output 0 dB) Power Requirements 12 V DC from either computer supply or external supply (external power supply not included in e-pre package) Size 148mmW x 42mmH x 150mm D (5?“W x 1?H x 6“D) Weight Under 1 Kilo (2.2 lbs) |
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