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Focusrite ISA TWO - 2 Channel Preamp & Neumann KM 184 Stereo Set Bundle

Focusrite ISA TWO - 2 Channel Preamp & Neumann KM 184 Stereo Set Bundle
£1,356.00 (inc. vat)
£1,130.00 (ex. vat)

Brand: Focusrite

Usually Ships in 1 - 3 Days

This bundle includes the Focusrite ISA 2 channel mic pre amp and the Neumann KM184 Stereo Set. An flexible combination for a variety or recording situations.
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Description

Focusrite ISA TWO - 2 Channel Preamp & Neumann KM 184 Stereo Set Bundle

This bundle includes the Focusrite ISA 2 channel mic pre amp and the Neumann KM184 Stereo Set. An flexible combination for a variety or recording situations.

Focusrite ISA Two Dual Channel Mono Mic Preamp

The Focusrite ISA Two Dual Channel Mono Mic Pre offers two independent channels of premium Focusrite mic preamp heritage sporting line in and instrument front panel inputs; eliminating the need for DI boxes. As its built FROM the classic Focusrite ISA 110 ethos, the ISA Two features four impedance settings, including the classic ISA 110 setting, that lets you blend between a clean transparent signal or bringing out the character of your favourite mic.Plus, with an 80dB range of low noise gain, the ISA Two can perform under any stressful setting, offering a stable platform to let your mics shine. Additionally, rear accessed TRS sockets allow you to plug in your outboard gear, be it a compressor, EQ or limiter.   

Each channel's high-pass filter has a variable cut-off frequency of 16 to 420 Hz selected from the front panel and has an attenuation of 18 dB/Octave - the same design as used in the ISA110 module introduced during the 80's. The high pass filter, phase-invert, insert point and phantom power can all be switched in and out per channel using front panel controls.

Eight-segment LED arrays provide clear metering of both signals, and a calibration knob on the rear panel allows lining up of analogue signal levels to prevent clipping and optimize your signal path to any DAW or recording system.

Focusrite ISA Two Features 

  • Transformer-based mic preamplifiers
  • Variable input impedance
  • Up to 80 dB of clean, low-noise gain
  • Variable cut-off high-pass filter
  • Eight-segment user-calibrated LED meter per channel
  • Two front panel instrument inputs
  • Dedicated per-channel insert point
  • 1U 19" rack-mount format

Focusrite ISA Two Specifications 

Front and Rear Pannel 

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

Maximum Input and Output Levels

  • Maximum Output Level: +24 dBu with a THD+N < 0.01% at 1kHz measured with 150 Ω source impedance and 22Hz/22kHz band-pass filter
  • Maximum Microphone Transformer Input Level: +7 dBu with a THD+N < 0.7% at 1kHz measured at 0 dB of gain with 150 Ω source impedance and 22Hz/22kHz band-pass filter 

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: < 0.0007% at 1 kHz

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: 0 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: < 0.002% at 1 kHz

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)

General

  • Weight and Dimensions: W x D x H =  480 mm x 280 mm x 44 mm
  • Weight: 3.7 kg

Neumann KM 184 Stereo Set - Cardioid Microphones - Nickel

The Neumann KM 184 Stereo Set contains a pair of Nickel finish KM 184 small diaphragm cardioid condenser microphones, two stand mounts, two WNS 100 windscreens and a protective wooden box.

The Neumann KM 184 microphone is the successor of the well proven KM 84, which has been used since the seventies worldwide with great success. The slender shape and transmission characteristics described below make the Neumann KM184 especially suitable for a very wide range of tasks in the radio and television sector. It is extremely quiet (16dB A-weighted self-noise), making it excellent for capturing the subtle nuances of acoustic guitar and orchestral perf ormances . 

Although the KM 184 has the same capsule as the Neumann KM 84, the microphone differs slightly on the 0 frequency response: The KM 184 has a gentle rise at about 9 kHz, a characteristic that was introduced very successfully with the KM 140. The result is a tonal balance that is fresher and livelier when compared to the KM 84 with its flat frequency response in that band. This difference was achieved with just a slight change of the capsule's rear opening, and is not due to resonances. Compared to the KM 84 the dynamic range of the KM 184 increased by 21 dB mainly through the reduction of self- noise level to only 25 dB (CCIR) and an increased sound pressure handling capability of up to 138 dB. The microphone operates without any problems, even if the input of following equipment happens to be unbalanced, for example as in some DAT/CF recorders. The output of the KM 184, as in all Neumann microphones, is balanced and phantom (48V) powered.

The KM 184 is a good choice for all users who look for a high- quality miniature microphone, but do not need the complex, modular KM 100 system, which continues to be part of the Neumann product range. The mechanical construction was simplified for this model, for example, capsule and output stage cannot be separated from each other. For this reason the KM 184 is an economical alternative without giving up the electroacoustic features the users expect from Neumann microphones.

Neumann KM184 Stereo Set Features

  • Set includes: 
    • 2 x Microphone KM 184(mt) - Nickel
    • 2 x Stand mount swivel SG 21/17
    • 2 x Windscreen WNS 100
    • Wooden box
  • Trouble-free operation also with unbalanced equipment (e.g. DAT/CF recorders)
  • Set includes windshield and two different microphone clamps
  • Low Noise - 16dB A-weighted self-noise
  • Varied Applications

Neumann KM184 Specifications

  • Directional pattern: Cardioid
  • Acoustic operating principle: Pressure gradient transducer
  • Frequency range Hz: 20 - 20,000
  • Sensitivity mV/Pa: 12 (-36.2dBu=+38.4dBv)
  • Rated impedance Ohms: 50
  • Equivalent loudness level due to inherent noise: DIN 45 405 CCIR 468-3 dB: 25, DIN/IEC 651 dB-A: 16
  • S/N ratio re 1 Pa at 1 kHz: CCIR dB: 69 (S/N=94dB - equiv. noise), A-weighted dB-A : 8
  • Max. SPL for less than 0.5% THD without pre-attenuation dB: 38
  • Total dynamic range of the microphone amplifier dB: 122
  • Power consumption mA: 2
  • Weight g: 80
  • Dimensions: Diameter mm: 22, Length mm 107
Additional Information

Additional Information

Manufacturer Focusrite
SKU SSCPISA2KM184
Model ISATWO-KM184ST
GTIN NA