OMNITRONIC LH-045 1-channel microphone preamplifier

98.15 incl. GR VAT

Available on backorder

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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 […]

 

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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
Weight 0.35 kg

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OMNITRONIC LH-045 1-channel microphone preamplifier removeAUDAC AUCPR12 Two-zone 10-channel stereo Preamplifier removeFOCUSRITE ISA TWO Double Microphone Pre-amplifier with D.I. removeBEHRINGER ADA8200 Microphone preamplifier removeDAP AUDIO D1535 ASC-202 2 Way Stereo Converter removePRESONUS Blue Tube DP V2 Microphone Preamplifier remove
NameOMNITRONIC LH-045 1-channel microphone preamplifier removeAUDAC AUCPR12 Two-zone 10-channel stereo Preamplifier removeFOCUSRITE ISA TWO Double Microphone Pre-amplifier with D.I. removeBEHRINGER ADA8200 Microphone preamplifier removeDAP AUDIO D1535 ASC-202 2 Way Stereo Converter removePRESONUS Blue Tube DP V2 Microphone Preamplifier remove
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SKULH-045AUCPR12ISA TWOE005873D1535BLUETUBE DP V2 EU
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Description
Content
  • 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

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

Two channel classic Focusrite ISA transformer-based preamps Front panel, per channel:

  • 1/4" instrument input
  • Variable input impedance - Low, ISA 110, Medium, High
  • Input selection - Mic, Line, Instrument
  • 0 - 30 dB/30 - 60 dB gain switch
  • Phantom power switch
  • Phase invert switch
  • 0 - 60 dB gain in 10 dB steps
  • 0 - +20 dB continuously variable trim
  • Variable high-pass filter with on/off switch
  • Insert point on/off switch
  • Eight-LED user-calibrated level meters
  • Single power switch
Rear panel, per channel:
  • XLR-F mic inputs
  • 1/4" TRS line inputs
  • 1/4" TRS Sends
  • 1/4" TRS Returns
  • XLR-M line output
  • Single peak meter calibration dial
  • Single IEC power socket
Measured Performance
Maximum Input and Output Levels
Maximum Output Level

+24 dBu with a THD+N

Maximum Microphone Transformer Input Level +7 dBu with a THD+N
Mic Input Response
Gain range 0 dB to +60 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trim

Input Impedance

Switched Impedance setting
Equivalent Input Impedance at 1 kHz
Low = 600 Ω
ISA 110 = 1.4 kΩ
Med = 2.4 kΩ
High = 6.8 kΩ
EIN
(Equivalent Input Noise)
Measured at 60 dB of gain with 150 Ω
source impedance and 22 Hz-22 kHz band pass filter
-127 dB

Noise

Noise at output with unity gain (0 dB) and 22 Hz-22 kHz band pass filter -97 dBu

Signal-to-Noise Ratio

Measured with 150 Ω source impedance and 22 Hz-22 kHz band pass filter 121 dB relative to max output +24 dBu

Total Harmonic Distortion + Noise

Measured with a -20 dBu input signal at +30 dB of gain and with a 22 Hz-22 kHz band pass filter

Frequency Response

At minimum gain (0 dB)

-0.5 dB at 10 Hz,
-1 dB at 135 kHz, relative to 1 kHz

At +60 dB gain

-6 dB at 10 Hz,
-1 dB at 115 kHz, relative to 1 kHz

CMRR (Common Mode Rejection Ratio)

-94 dB for mic input at 60 Hz for max. output = +24 dBu
-91 dB for mic input at 10 kHz for max. output = +24 dBu

Crosstalk Channel to Channel

Mic input, with I/P = 0 dBu, gain = 0 dB @ 1 kHz input to channel A, channel B output = -85 dB
Line Input Response

Gain Range

-20 dB to +10 dB in 10 dB steps, plus 0 dB to +20 dB continuously variable trim

Input Impedance

10 kΩ from 10 Hz to 200 kHz

Noise

Noise at main output with gain at unity (0 dB) measured with 50 Ω source impedance and a 22Hz - 22 kHz band pass filter

-97 dBu

Signal-to-Noise Ratio

Measured with 50 Ω source impedance and a 22 Hz-22 kHz band pass filter

121 dB relative to max output +24 dBu

Total Harmonic Distortion + Noise

Measured with a 0 dBu input signal, +10 dB of gain and a 22 Hz-22 kHz band pass filter

Frequency Response

At unity gain (0 dB) -0.3 dB at 10 Hz,
-1 dB at 80 kHz, relative to 1 kHz

Crosstalk Channel to Channel

Line input, with I/P = 0 dBu, gain = 0dB
@ 1 kHz input to channel A

Channel B output
= -91 dB

Instrument Input Response

Gain Range

+10 dB to +40 dB continuously variable trim

Input Impedance

> 2 MΩ

Noise

>Measured with 22 Hz-22 kHz band pass filter Minimum gain (+10 dB) = -95 dBu

Frequency Response

At minimum gain (+10 dB)

-0.1 dB at 10 Hz,
-1 dB at 115 kHz, relative to 1 kHz

At maximum gain (+40 dB)

-2.5 dB at 10 Hz,
-1 dB at 110 kHz, relative to 1 kHz

High-Pass Filter

Roll-Off

18 dB per octave (3 pole filter)

Frequency Range

Continuously variable from 16 Hz to 420 Hz (-3 dB)
Weight and Dimensions

W x D x H

480 mm x 280 mm x 44 mm

Weight

3.7 kg
    • Ultra-high quality 8-channel A/D and D/A interface for virtually any digital recording/mixing environment
    • 8 state-of-the-art MIDAS designed Mic Preamplifiers
    • Phantom power on all microphone inputs
    • Reference-class Cirrus Logic 24-bit converters for ultimate signal integrity
    • Processes 48 and 44.1 kHz sample rates
    • External sample rate synchronization via word clock or ADAT input
 
  • Optical ADAT in/out interface for ultimate compatibility
  • All mic/line inputs routed to the ADAT output
  • ADAT input routed to all Line outputs
  • “Planet Earth" switching power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany
• Road proof housing • High quality components • Professional balanced XLR outputs • Level control The ASC-202 converts consumer level stereo RCA signals to balanced XLR professional line level, and back. One side of the unit, has two XLR inputs and stereo RCA outputs. The other side has stereo RCA inputs and two XLR outputs. Each side has stereo level controls. A possible application of the SC-13 is to use it as a level control in balanced audio lines. The DAP Pro Audio Solutions are a complete line-up of audio tools for the professional musician or audio engineer. It is a series of audio modifying tools like mini-mixers, pre-amps and converters available in active or passive models. All audio solutions are designed to meet the highest stage and audio demands and feature a metal road proof housing with rubber feet and easy accessible controls. The units also have a small footprint which make them ideal to be used and placed in any environment where space is critical. Specifications Frequency Response: 20Hz-20KHz Inputs: XLR/Jack Combo, RCA Outputs: XLR male, RCA Input sensitivity RCA in: -10 dBv Input Impedance RCA in: 10 kOhm Input sensitivity XLR/Jack in: +4 dBu Input Impedance XLR/Jack in: 20 kOhm Output voltage RCA Out: -10 dBV Output Impedance XLR Out: 100 Ohm Output voltage XLR Out: +4 dBu Output Impedance XLR Out: 200 Ohm Power supply: 18V AC (adapter included) Dimensions: 53 x 158 x 135 mm (HxWxD) Weight: 0,65 Kg

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

Weight0.35 kg6.80 kg3.70 kg3.00 kg0.65 kg2.00 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 0.35 kg
Weight 6.80 kg
Weight 3.70 kg
Weight 3.00 kg
Weight 0.65 kg
Weight 2.00 kg