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  • Coil Audio CA-70 Module - www.AtlasProAudio.com
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Coil Audio CA-70 Mic/Line Amp PS6 Module

$1,699.00
SKU:
CA70
Availability:
Special Order. Usually ships in 3-5 days
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Product Description

CA-70 MODULAR MIC/LINE AMPLIFIER

(Module Only, Rack Sold Separately.)


The CA-70 preamp module pays homage to the classic American two-stage circuit invented by Western Electric™ in 1913 and manufactured by multiple companys from the 1930s through the 1950s – most notably RCA™, Gates™, and Langevin™. This old octal tube circuit has a huge thick tone and is what many consider to be the quintessential “old tube preamp” sound.


The CA-70 PS6 preamp module uses our own Coil Audio transformers, high quality capacitors, resistors, and NOS octal tubes. It's powered by our PS6 Rack Tray and Power Supply.


The (INPUT) pad section contains a phase reverse switch, and a 6 position pad network. The first four positions are various 150/250 ohm mic pads; -6db, -12db, and -19db. The final two (LN 1 & LN 2) positions allows line-level signals to run through the amplifier providing tone-shaping capabilities while mixing from your DAW, Tape Machine, or other Line Level Devices – including other Preamps.
The (NF) control varies the amount of Negative Feedback present in the circuit. Counter-clockwise brightens and moves the sound forward while raising harmonics and sensitivity. Turning it clockwise increases negative feedback, producing a darker tone with a smooth, dampened harmonic structure.
The (HI) switch transitions from the natural openness of the tubes to a gentle filtering of upper frequencies. The (LOW) switch reacts with the NF, boosting or cutting low frequency while moving the low end from front to back in the sound stage.
The OUTPUT control knob is placed between the 1st stage 6J7 and 2nd stage 6C5 tubes and sets the final level Output level.


FEATURES:

    Two-stage 6J7/6C5 vacuum tube circuit
    42db-54db of available gain
    Flexible input pad section for mic or line level operation
    Transformer balanced. 150 Ohm or 10k input, 600 Ohm output
    Interchangeable/Optional input and output transformers
    NOS tubes, signal caps & resistors, PEC 2W carbon pots
    Up to Six CA Series Amplifiers mount into our PS6 Rack
    Up to Two Amplifiers in our PS2 Rack
    Hand Built and Tested in the USA



Warranty Information

Comes with Manufacturer's Warranty

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