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HomepageMic Preamps500 Series Preamps › Buzz Audio Elixir
Buzz Audio Elixir

The Buzz Audio Elixir circuit design uses two BE40 True Class A amplifiers in a transformeless input arrangement followed by two newly designed BE50 True Class A. For API 500 Serie

There is an overwhelming number of 500 Series mic preamps to choose from, many of which are clones or copies of vintage units. So, as a breath of fresh air, we present the elixir 500 series module.

All discrete signal path using our class-a BE40 amplifiers at the input and BE50 high current line drivers to excite the Lundahl LL1517 output transformer. The topology is quite different to most other mic preamps in that it is balanced from input to output. The instrument input features our BE43 "bootstrapped FET" high impedance interface that really pumps as a bass DI.

The elixir is an ideal compliment to other 500 series preamps that feature a dark sound. The wide frequency response and fast transient response plus color from the output transformer generate a "warm sweet liquid" sound quality that sets it apart from that crowd. These attributes make the elixir particulary good at recording percussion, drums, vocals and stringed instruments.

As with all our preamps, the elixir noise floor is as low as we can make under the laws of physics and there is plenty of gain for low output ribbon and dynamic microphones. The output headroom at +34dBu is outstandingly unique in the 500 series format, and adds a feeling of real effortlessness to the sound quality. The transformer-less mic input presents a "non-reactive" load to the microphone which means you hear exactly what the microphone manufacturer intended, without the unpredictable nature of an input transformer.
  • GAIN - 41 detented pot that sets gain between +22 to +70dB.
  • PHASE - normal or reverse polarity switched at the input.
  • -20dB - this switch introduces a 20dB pad right at the mic input for high level signals.
  • HI Z - selects high or low input impedance and this affect both the mic and DI input.
  • +48V - switches on the phantom power for condensor microphones and powered DI boxes.
  • METER - four leds give visual indication of peak output level
  • Specifications
  • Min Gain Mic: +22dB (-2dB with pad in)
  • Max Gain Mic: +70dB
  • Min Gain Instrument: +12dB (-3dB with pad in)
  • Max Gain Instrument: +60dB
  • Maximum Output Level: +34dBu into 3k ohm load.
  • Frequency Response Mic: 10Hz to 300kHz @ 20dB gain (-3dB).
  • Frequency Response Instrument: 10Hz to 120kHz @ 20dB gain (-3dB).
  • Slew Rate: 30V/uS @ +20dBu output level
  • Harmonic Distortion measured at -20dBu input level, gain adjusted for +10dBu output level
  • Mic: 0.15% @ 100Hz, 0.01% @ 1kHz, 0.005% @ 10kHz
  • Instrument: 0.15% @ 100Hz, 0.015% @ 1kHz, 0.015% @10kHz
  • EIN Mic: -132.5dB A wtg, 150ohm source Z.
  • Signal to Noise Ratio Mic: -73dB A wtg, input shorted.
  • Signal to Noise Ratio Instrument: -76dB A wtg, input shorted.
  • CMNR Mic: -78dB @ 100Hz, -100dB @ 1kHz, -100dB @ 10kHz.
  • Input Impedance Mic: 4k ohms/1k2 ohms switchable.
  • Input Impedance Instrument: 1MEG ohms/20k ohms switchable.
  • Controls: Gain, Mute, Phase Reverse, 20dB input Pad, Input impedance, Phantom pwr.
  • Indicators: 4 LED peak reading meter.
  • Size: (37Wx132H). Fits 1 space in API(TM) 500 series rack format
  • Power requirements: 150mA +/- 15-18 volts DC, as supplied by frame power supply.
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    Additional information
    For more information about the Elixir, please visit the website of Buzz Audio
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