Telos 250 - Power Amplifier The Goldmund Telos 250 is the new mono amplifier of the Goldmund line that replaces the Telos 200. It features a new and larger aluminum chassis with better Mechanical Grounding, offers a higher power and uses the new capacitors developed from the Telos 5000 to considerably improve its Driver Control. It includes a Telos circuit and built in digital input, a built in D/A Alize 5 converter.