Locomotive Audio 286A Dual Channel Preamp

The Unmistakable Vintage Sound of Tubes & Transformers

Out of stock


286A Dual Channel Preamp

From beautiful glowing vocals, natural acoustics and punchy drums to overdriven and saturated classic tube warmth, the two channel 286A preamplifier offers a huge sonic palette for engineers and producers to explore.


Super Premium Cinemag Input & Output Audio Transformers

Set Gain Staging for Clean & Natural To Thick & Overdriven; It’s Your Choice!

Pick Either High-Quality Circuit Board or Classic Handwired Assembly [at additional cost]



  • Microphone and high impedance instrument inputs

  • One EF86 & one 12AY7 per channel

  • Polarity reverse switch

  • 20dB pad switch

  • 100 Hz low cut filter switch

  • Microphone load impedance switch

  • Mic/DI selection switch

  • +48v phantom power switch

  • 3-position VU meter switch: CH1 – Off – CH2

  • Custom Sifam backlit VU meter

  • XLR input and output connections

  • Cinemag input and output transformers

  • High-grade Solen capacitors in signal path
  • Hand-built in USA

  • Heavy 16 gauge steel chassis

  • 115v/230v AC mains option on rear

  • Lifetime warranty parts and labor

Technical Specs

  • Microphone input load impedance: 500Ω or 1800Ω

  • Output impedance: 300Ω

  • 1/4″ DI impedance: 169kΩ

  • 72dB of gain

  • Frequency response: 20Hz-20kHz

  • Maximum 20Hz & 1kHz input level for 1% THD: -18dBu (+2 dBu with Pad)

  • Maximum output level: +24dBu

  • THD+N: <1%

  • S/N ratio: >70dB

  • Dimensions: 19″w x 3.5″h x 10″d (2u rackspace)

  • Shipping Weight: 18 lbs.

  • Power Consumption (120/240VAC): 25 watts


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