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Coil Audio

Coil Audio CA-286S

Standalone tube mic/line preamp

Preamp

$1,899Manufacturer list price

Specifications

Type
Preamp
Description
Standalone tube mic/line preamp
Topology
tube/valve, transformer-coupled
Signal path
Analog
Channels
1
Channel format
mono
Form factor
2U rack, standalone with integrated power supply
Rack units
2
Powered
true
Impedance (Ω)
150 (mic in) / 20000 (line in) / 600 (out)
Country of manufacture
USA (Lawrence, Kansas)

Details

Controls: Input pad (mic/line), gain (42-60dB), negative-feedback tone control with LOW filter

I/O: Mic/line input with flexible input pad; XLR I/O

Notes: Standalone 2U single-channel version of the CA-286 PS6 module, with CT-110HN input and CT-41 output transformers, slow-ramping/linear regulated internal power supply to prolong tube life. Two-stage dual EF86/6267 pentode tube circuit. Phantom power not mentioned on product page — left blank rather than guessed. No frequency response, dimensions/weight, or year of introduction published. Reviewed by Tape Op / Mix magazine (external sources, not used to fill spec fields).

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