Locomotive Audio 86B-2

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Locomotive Audio 86B-2

Locomotive Audio

86B-2

4.6 Expert Rating

Product Info

Article Number: 612218
Model: 86B-2
Category: Preamps
Price: $3,078.90

* Prices may vary. Check retailer for current pricing and availability.

The 86B-2 is a seriously classy preamp, delivering a vintage tube vibe with a modern edge. It's perfect for vocalists, acoustic instrument players, or anyone chasing that classic, warm sound – think soulful vocals or rich acoustic guitars. It’s a premium-priced piece, but the sonic character and build quality justify the investment.

Product Description

  • Locomotive Audio 86B-2
  • 2-Channel Tube Preamp
  • 2 Tubes per channel: 1x EF86 and 1x 12AY7
  • 75 dB amplification
  • Microphone input with switchable impedance: 500 O or 1.8 K Ohm
  • Line input with 10 k Ohm
  • Instrument input with 1.6 mega ohms
  • 48 V phantom power and polarity switch
  • 20 dB Pad
  • 100 Hz low cut switchable
  • Premium input and output transformers
  • Output level LED colour: Greater than -10 dBu = green
  • Greater than +10 dBu = orange
  • Greater than +18 dBu = red
  • Frequency response: 20 Hz - 20
  • 000 Hz
  • Max. output level: +24 dBu
  • Signal-to-noise ratio: >70 dB
  • Dimensions: 482 x 89 x 254 mm
  • Weight: 7 kg
PROS
  • • EF86/12AY7 combo delivers a uniquely warm, harmonically rich tone.
  • • Premium transformers provide excellent isolation and a smooth, authoritative low-end.
  • • Switchable input impedance allows for precise tailoring of source characteristics.
  • • Robust build quality and solid chassis inspire confidence and longevity.
CONS
  • • Relatively heavy, limiting portability for tracking musicians.
  • • Limited to two channels, not ideal for high-channel-count recording.
  • • High-end price point places it outside reach for budget-conscious studios.

Product Video

Key Features

Channels 2
Preamp Type Tube (EF86/12AY7)
Gain Range 75 dB
Phantom Power 48V
Connections Mic, Line, Instrument inputs; XLR, TRS outputs
Weight 7 kg

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Frequently Asked Questions

While sharing a similar warmth, the 86B-2 offers a more focused, slightly tighter low-end than the VoxBox's broader, more euphoric character. It's a more direct, 'vintage' sound.
It's a relatively gentle slope, around 12dB/octave, designed to subtly tame low-frequency muddiness rather than a drastic cut.
Yes, but be cautious; the EF86 and 12AY7 are specifically chosen for their interaction. Substituting different tube types will likely change the tone, potentially negatively, and could affect the preamp's performance.

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