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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 pre-amp and the FC3 condenser microphone in one bundle. The bundle also includes Golden Age P1 Pop Filter, Proel RSM180 mic stand and Proel CHL250 5m cable. |
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 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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The PRE-73 MKIII is a one-channel vintage style microphone-, line- and instrument preamplifier. The signal path uses only discrete components like resistors, capacitors and transistors. The in- and output is transformer balanced, using two different transformers, each one optimized for its purpose. This is the way audio components were built before integrated circuits became available.
The circuit used in the PRE-73 MKIII is similar to the preamp section in the classical 1073 module with a corresponding sound character that is warm, punchy, sweet and musical. These classic characteristics have 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 essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.
Features :
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Vintage Style electronics. No intergrated circuits in the signal path.
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Maximum gain in MIC mode is 80 dB, enough to handle passive ribbon mics with quiet sound sources.
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GAIN switch range 20 - 80 dB. GAIN/LINE mode switch, gain is reduced by 30 dB in LINE mode.
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Selectable two position high frequency AIR boost eq, 3 or 6 dB @ 30 kHz.
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Selectable 6 dB/octave two frequency high pass filter at around 40 (HP1) and 170 Hz (HP2).
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Tantalum capacitors in the signal path.
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Switchable impedance in MIC mode, 1200 or 300 Ohms, will change the tone of most mics. The input impedance in LINE mode is 10 kohm.
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Switchable phantom power and absolute phase.
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A high-impedance instrument input for any sound module, electric guitar or bass.
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A simple but effective 4-step LED output level meter.
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The output level control makes it possible to make fine gain adjustments and also to overload the main gain stage(s) for more character and then lower the signal to a suitable level before the output stage.
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Combo XLR/TRS input jack and separate output XLR and TRS jacks for flexible connections.
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Insert jack for inserting EQ´s and other units.
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Selectable 600 ohm output termination.
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The pcb is prepared for the Carnhill input transformer.
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External power supply to avoid interaction with the audio circuits and transformers.
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A solid build quality that will last many years of normal use.
The MKIII has the following new features compared to the MKII:
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Tantalum capacitors in the signal path.
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Selectable two position high frequency AIR boost eq, 3 or 6 dB @ 30 kHz.
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Selectable two frequency high pass filter, 6 dB/octave at 40 or 170Hz.
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The pcb is prepared for the Carnhill input transformer.
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Revised and less complicated GAIN switch with a separate switch for MIC/LINE selection.
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All GAIN settings can also be used in LINE mode .
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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) |
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