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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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Behringer MIC-2200 2-Channel Tube Microphone Preamplifier-Line Driver-DI Box The MIC2200 is the ideal extension to your console, MIDI setup or hard disk recording system. Its integrated parametric EQ?s give you extra sound-shaping power, while its built-in tube adds warmth and transparency to your signal. In addition, the ULTRAGAIN PRO features direct injection and level conversion functionality.
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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) |
The CPR12 is an easy to use, flexible and multifunctional 10 channel pre-amplifier. Six of these input channels are selectable between Mic / Line level and equipped with a 3 band tone control. The first two can be switched to priority and phantom power. The other four channels are direct line inputs. Every input channel has its own gain and fader volume control with PFL button which makes it possible to pre-listen each input or output channel with the built-in pre-listening speaker, and can be routed to one or both output channels. This makes the CPR12 a full two-zone system. Other present features are a priority input, a recording output, separate sub-out channels and the 24 V DC emergency power connection. This last feature makes it possible to power the CPR12 with emergency power when the main power is shut down. In this case, the priority input will automatically mute all input signals, and a evacuation message will be announced. The steel 19" housing has a height of 2 HE. - 10 audio input sources
- 6 Mic / Line inputs with 3 band EQ
- 4 Direct Line Inputs
- Fader volume control
- Two output zones
- Built-in pre-listening speaker
- Priority input for emergency situations
- + 15 V DC Phantom power
- Works on 24 V DC emergency power
Specifications - Model Name / Type: CPR12 / 10 channel 2 zone pre-amplifier
- THD+N:
- Signal/Noise: > 90 dB
- Frequency Response: 20 Hz - 20 kHz
- Phantom Power: + 15 V DC
- Emergency Power: + 24 V DC
- Power Supply: 100 - 240 V AC / 50 - 60 Hz
- Dimensions (W x H x D): 420 x 88 x 320 mm
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The AD2022 is Avalon's fourth generation of fully discrete, symmetrical Pure Class A microphone preamplifiers. The dual mono AD2022 includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter, teflon/ silver wiring and doubled plated circuit boards for superior low level signal transfer. AD2022 FEATURES Symmetrical Pure Class A design, two channels Microphone and hi-Z instrument inputs Gain switched 4dB steps plus +/- 3dB fine output trim Selectable microphone input impedance matching Low noise -126dB EIN Ultra high quality, low-ratio, balanced input transformer Balanced, high-current Class A output to +36dB Large illuminated analog VU meters and twin peak LED's Regulated phantom power supply +48v Input polarity phase reverse High headroom +36dB input before overload Input -20dB pad for high level signals Sealed silver relays for all signal routing External AC 150w toroidal power chassis Fully discrete Class A regulated audio power supplies Deep, musical sound-stage, transparent amplification
MICROPHONE INPUT The AD2022 incorporates the most advanced high-performance microphone transformer available. Split low-ratio primary windings are carefully combined within a custom mu-metal core for extended smooth frequency response and very low distortion. Sealer silver relays are used for minimal signal invasion. The input signal selector, high pass filter, polarity-phase reverse, +48v power and the 20dB input attenuator all utilize local sealed relay operation. A variable passive high pass filter provides a minimum phase shift design while eliminating low frequency rumble, wind noise and mechanical vibration at sub sonic frequencies.
SYMMETRICAL PURE CLASS A DESIGN Two 100% discrete, high-voltage, symmetrical Pure Class A signal amplifiers are utilized per channel. The first operates in a cascaded-cascode FET configuration while the second stage amplifier is fully bipolar. The twin amplifiers share the total available gain requirement. This shared architecture increases the high level headroom capability, improves transient response and doubles the internal bandwidth of the ultra-high performance pure Class A signal amplifiers. OUTPUT and METERING High-current DC coupled, Class A discrete amplifiers are utilized for the output drive interface with +36dB capability into all known loads. Two large, high-quality analog VU meters indicate accurate signal readings while bi-color LED's offers peak indication at 0dB and +20dB.
AD2022 PREAMPLIFIER SPECIFICATIONS Circuit Topology: Twin cascode FET and bipolar low level signal amplifiers, high-voltage, 100% discrete, symmetrical Pure Class A Input Type and Load: Transformer balanced low-ratio, 50, 150, 600 and 1k5 ohm input load selection Maximum Mic Level: +36dB balanced XLR pin 2 hot (with -20dB passive attenuator) Maximum Instrument Level +18dB at 100k ohms instrument input level, standard mono 1/4 inch jack Input Attenuator: -20dB resistive pre transformer primary, sealed silver relay Phantom Power: +48v regulated 50mA capability, sealed silver relay High Pass Filter: Passive, variable from 30Hz to 185Hz @ 6dB per octave, sealed silver relay. Polarity Reverse: Sealed silver relay on microphone input Gain Range Input: +20dB to +64dB in 4dB steps Gain Output Range: +/- 3dB variable conductive plastic potentiometer Maximum Output Level: +36dB balanced 600 ohms, DC coupled, discrete symmetrical Pure Class A Output Type: XLR connector, pin 2 hot Noise EIN Unweighted: -126dB 150 ohm Noise 20kHz Unweighted: -102dB Distortion THD, IMD: 0.05% nominal Frequency Response -3dB: 1Hz to 120kHz transformer limit System Bandwidth: DC to 1MHz Output Meter: High quality, illuminated analog VU meter 0dB = +4dB. Peak Meter: Bi-color LED's 0dB and +20dB peak detection circuit. AC power supply B2T: External toroidal 100V to 240V, 50-60Hz selectable, 150 watts maximum. Cables: 90V ac, 4 pin male power input connector, B2T required, internal DC regulation Dimensions: 19 x 12 x 3.5 in (482 x 305 x 89mm) Weight: 15lbs (6.8kg) Dimensions - Shipping Carton: 24 x 21.5 x 7.5 in (610 x 546 x 190mm) Weight - Packed: 25lbs (11.4kg) |
Designed for high-definition field production environments, the studio-quality MP-1 is an ideal line-driver for critical radio, television, and film applications.
The MP-1 is extremely durable and easy to use. With rugged mechanical and electrical construction and high-quality components it will provide years of superb audio performance under the most punishing field conditions.
MP-1 Key Features - Superb audio specifications
- 66 dB of gain, in eleven discrete steps
- Transformer-balanced input and output
- Phantom power - 48 volt or 12 volt
- High pass filter @ 80 Hz or 160 Hz, 6 dB/octave
- Limiter makes unit virtually "unclippable“
- High current line output drive
- Excellent immunity to RF interference.
- Battery power (two x AA)
- Durable mechanical construction
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