Coil Audio CA-286S Preamp

£1,799.00 £1,499.17
Hitachi PaybyFinance
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Cash Price £2500, Deposit £500, Loan amount £2000, 9.9% APR representative, Interest rate 9.9% p.a. fixed, 24 monthly repayments of £91.81, Total term of loan agreement 24 months, Total Amount payable £2703.44.
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Standalone tube mic/line amplifier is a preamp module inspired by classic 1950’s and 1960’s European two-stage circuit amplifiers manufactured by Telefunken, Langevin, Collins and Gates.

The Coil Audio CA-286S is a 2U mic preamp standalone version of the CA-286 PS6 tube mic/line amplifier, inspired by a classic European two-stage circuit


The Coil Audio CA-286S uses the exact same European style circuit as the CA-286 PS6 and delivers the same Hi-Fi tone and rich midrange. It uses Coil Audio’s own CT110HN input and CT-10 output transformers as well as NOS Octal tubes, resistors and high-quality capacitors.


The input section includes a four-position switch which provides various 150/250Ohms mic pads from 0, -6dB, 12dB, 19dB which also affect the line-level amplification when engaged. Negative Feedback is used to modify the frequency response by increasing the amount of negative feedback into the circuit. A Low switch works in conjunction with the NF switch to boost or reduce the amount of low-frequency energy. Finally, the output control knob is placed between the 1st and second stage EF86 tubes and id used to set the final output.


Coil Audio CA-286S Main Features:


  • 2U steel enclosure with integrated power supply
  • CT-110HN high nickel input and CT-41 output transformers installed
  • Negative feedback tone adjustment with LOW filter
  • Two-stage 6J7/6C5 vacuum tube single-ended circuit
  • 42db-54db of available gain
  • Flexible input pad section for Mic or Line level operation
  • 150 Ohm Mic input, 20k Line input, 600 Ohm output
  • NOS tubes, signal caps & resistors, PEC 2W carbon pots
  • Slow Ramping/Linear regulated Power Supply to prolong tube life
  • Hand Built and Tested in the USA
  • More Information
    Demo in StoreNo
    ExclusiveKMR Exclusive
    ManufacturerCoil Audio
    Short DescriptionStandalone tube mic/line amplifier is a preamp module inspired by classic 1950’s and 1960’s European two-stage circuit amplifiers manufactured by Telefunken, Langevin, Collins and Gates.
    DI InputNo
    Side Chain InputNo
    ChassisRackmount
    Phantom PowerNo
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