Blog | Iron Age Audioworks

1280 mod: summing bus with opamps and transformers

For giggles we designed a summing buss for the 1280, it worked so well we actually installed in on a couple of units.

BK-TBox vintage transformer box

A vintage transformer box for Ben Kane. Two channel transformer tone box, primary coils with variable resistors to modulate tone....

Filter Box

Made this custom box, wet/dry two inputs, bax low shelf, bax high shelf and low pass and high pass.

The Lubricator

mid side encoder decoder plus wet dry mixer for Hans Mues and https://thefreakroom.mx/

295 teardown and overhaul

one monitor control to rule them all

A custom built monitor control for Jseph Chudyk (http://josephchudyk.com/). Two stereo inputs and two independent L/R outputs. Custom...

LH95

A highly flexible, discrete class A equalizer in the 500 series format. It features a discrete audio path, three vintage class A gain...

Tube Bus Box

The Iron Age Bus Box is a flexible stereo signal processing unit for mic or line level use. It features three tubes per channel.

ze enclosure for W295

This special order enclosure was built for Joseph Chudyk from Mockingbird Studios. We saw a picture of his Siemens W295s on his Instagram...

1280 intro video

Matt guides us through a tour of the SoundWorkshop 1280 console

1280 adding a fuse

Adding a fuse and and a proper power cable with a ground prong is one of the simplest 1280 projects to undertake. The ideal upgrade...

1280 cleaning faders

We once worked on a 1280 that apparently had liquids spilled on its faders (aka. slide potentiometer). We have not found a good source...

1280 replacing faders (slide pots)

The faders on the 1280 console are one of its most fragile electro/mechanical components, considering the amount of use they get and the...

1280 Replacing Caps

Electrolytic capacitors are pretty much made from paper, foil and electrolyte. With time the electrolyte can evaporate and/or leak. This...

Headphone amp

Matt designed a class A amp for a different project and we decided to package it as a standalone unit for an audiophile friend. The box...

Custom QP5 lunchbox

We made special configuration QP5 mic pres loaded with Cinemag input and output transformers and M2 op amps. Ten of them in a...