The new kit replaces an Agfa platesetter and is a shift from visible light to thermal technology.
"We wanted something cleaner, more efficient and more productive," said ACH chairman Tim Ingram-Johnson.
"We looked at four or five different systems. We went for Heidelberg on value-for-money and our confidence in the support and back-up."
The Topsetter 74 will operate alongside ACH's two Heidelberg Speedmasters, a SM 74-5L and a SM 72-4. The new addition is the first time the company has bought direct from Heidelberg.
The Topsetter 74 will output 18 to 20 plates and ACH is planning to make further investments in Heidelberg kit in 2005.
ACH purchases a Topsetter for cleaner jobs
Bournemouth-based ACH is installing a Heidelberg Topsetter 74 CTP system as part of a move to achieve a cleaner working environment.