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Focusrite Red 1 500 [EDUCATIONAL PRICING]
500 Series Microphone Preamplifier


Focusrite's Red 1 500 offers a compact interface to digital recording systems or for location recordings as well as convenient access in any control room...
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Focusrite's Red 1 500 offers a compact interface to digital recording systems or for location recordings as well as convenient access in any control room, with a Lundahl LL1538 input transformer, just as in the original; switchable phantom power; polarity invert; and an illuminated classic porthole VU meter. The output stage of Red 1 500, with its custom Carnhill transformer, will easily drive long cable runs without loss of quality – ideal for remote recordings. Mic gain is switched (with a Grayhill gold-plated military-grade switch) in 6dB steps from -6 to +60dB, for accurate, precise channel matching and recall.

NOTE: This is a specially priced product for educational institutions. Please call us at 800-356-5844 for more information on how to place your order. A faxed purchase order from your organization is usually required to fulfill this order at this price.

The unique Focusrite mic amp topology provides superb common mode rejection, excellent overload margin and, with its shared gain structure, (14dB from the transformer and up to 46dB from the amplifier) a very low noise floor, combined with the traditional wide bandwidth of the original Red series (10Hz to 140kHz). This exceptional level of performance is maintained over a wide range of impedances applied to the input, making the Red 1 500 suitable for almost any microphone – ribbon, dynamic or condenser.

Red 1 500 Series Mic Pre – Focusrite’s signature sound in an exciting, popular new form factor.

Focusrite Red 1 500 Features:

  • Original Red circuit topology and components:  Red 1500 recreates the original Red 1 mic pre, made in England with the original components for that legendary, signature sound.
  • 500 Series Lunchbox format:  For the first time, a Focusrite product is available in this popular portable rack format.
  • 500 series mic pre Lundahl LL1538 Input Transformer
  • The original mic transformer used in the original Red modules helps to provide the unique sound and performance of this groundbreaking design.
  • Carnhill custom output transformer: An important contributor to the sound, the output transformer also allows Red 1 500 to drive long lines, ideal for remote and mobile applications for which the Lunchbox format was originally intended.
  • Grayhill gold-plated mil-grade gain switch: The switched gain structure of the Red 1 500 means accurate setting and recall, and with a solid, super-reliable, gold-plated selector switch you know you’ll get repeatable results.
  • Suitable for virtually any microphone: With gain from-6 to +60dB in 6dB steps and a carefully-chosen input impedance, Red 1 500 is perfect for almost any microphone, be it ribbon, dynamic or condenser.
  • Backlit VU meter with switchable calibration: The built-in VU meter helps gain accurate, repeatable results, with calibration to ensure your levels are always spot-on.
  • Polarity invert and +48V phantom power:  Maximum microphone flexibility in the studio or on location

Focusrite Red 1 500 Specifications:

  • Maximum Output:  +25.5dBu (20Hz–20kHz)
  • Maximum Input:  >+28dBu (200Hz–13kHz), >26dBu (160Hz–20kHz)
  • Frequency Response:
    • Deviation at 30dB gain (20 Hz – 20 kHz):  ±0.1dB
    • Bandwidth (–3dB) at 30dB gain:  103 kHz
    • Range at 60dB gain (–0.5dB):  125 Hz – 24 kHz
    • Bandwidth (–3dB) at 60dB gain:  32 Hz – 75 kHz
  • Output Noise:
    • –104.5dBu CCIR-RMS
    • –107dBu A-wgt
  • EIN:
    • –124.5dBu CCIR-RMS
    • –128dBu A-wgt
  • Harmonic Distortion (30dB gain, –30dBu input)
    • Third Harmonic:  –101dB (0.0009%)
    • Second Harmonic:  –88.5dB (0.0038%)
    • THD+N (20 kHz bandwidth):  –88dB (0.0039%)
  • CMRR (24dB gain, –4dBu input, 1kHz)
    • Common mode test:  102dB
    • IEC 60268-3:2000 test:  89dB

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