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Iron Age Audioworks is proud to announce the IA-CS1 Channel Strip

Friday April 26, 2019. 01:46 AM , from Gearslutz
Iron Age Audioworks is proud to announce the IA-CS1 Channel Strip

The CS1 is a three module unit that began life as the channel strip for a custom console design.

The first is a triple input module using a shared amplifier for gain duties. The mic input comes in through a Jensen input transformer and has a pad and +48v controls. The DI is an unbalanced high impedance circuit, and the line input uses a discrete balanced transformerless amplifier (socketed DOA 1). These three feed the shared amplifier (socketed DOA 2) with a common gain knob and a transformer balanced output using a Cinemag steel core, low inductance transformer. This is terminated with a continuously variable trim. This feeds a post-trim, balanced mic-pre out patch point.

From there, the signal goes into the EQ module via an op amp (socketed DOA 3) and into a

simple high pass filter circuit, selectable between 50 or 80 Hz. This is isolated from the EQ by a discrete buffer which adds a touch of character to the tone. The EQ itself is a three band peaking Baxandall style inspired by one of my favorite late seventies designs. Each band has +/-15 dB available on five switched frequencies and an "off" position so the gain knob doesn't need to be perfectly centered when not in use. It uses two op amps (DOA 4 and 5) and has a balanced insert / EQ out patch point available via a second Cinemag output transformer.

The third module is a balanced insert return (DOA 6) feeding a console style line amplifier (DOA 7) with 12 dB of gain in hand at the "fader" knob. This feeds the direct out, balanced by a third Cinemag transformer.

As you might imagine, there's a lot of tone possibilities here as gain staging can be adjusted to your needs. It is versatile as a tracking box because of the flexibility of taking the signal at any point in the chain.

The box comes standard with the Iron Age M2 discrete op amp, which is a tight, clean, high gain design. This pairs wonderfully with the Cinemag steel core low inductance transformer for some heft and weight. It just sounds like a console.

MAP: $1,500
Available: Now

For more information: https://www.ironageaudioworks.com/channelstripcs1






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