Air Tight ATM-3 Mono Amplifier features:
- 6CA7 output valves for high reliability and affluent musicality under triple push-pull configuration
- Selector between UL and TRIODE modes enabling to match the amp operation to type of speaker used, or the sound to your personal taste
- Bias adjustment enabling each and all valves to exhibit the same operational performance
- Removal of PCB’s for vivid, natural sonic reproduction
- Large power transformer with heavy-duty choke coil and reputed Tamura output transformer
- Muting delay system to protect output valves