Dynaco PAT-4

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Brand: Dynaco

The Dynaco PAT-4 is a classic tube amplifier that was originally produced by the Dynaco company in the 1960s. It is a fully balanced design, which means that the signal is balanced between two identical circuits to reduce noise and improve overall audio performance. The PAT-4 is known for its warm, rich sound and is popular among audiophiles and music enthusiasts. Some key features of the Dynaco PAT-4 include:1. Tube-based audio circuitry: The PAT-4 uses vacuum tubes, or valves, for amplification rather than solid-state semiconductors. This can result in a richer, more natural sound compared to more modern amplifier designs.2. Fully balanced design: The signal is balanced between two identical circuits to reduce noise and jitter. This helps to improve overall audio performance and reduce distortion.3. Large, heavy transformers: The PAT-4 uses large, heavy transformers for both the input and output stages. These transformers help to provide isolation between the input and output signals, which can further reduce noise interference.4. Push-pull tube configuration: The PAT-4 uses a push-pull tube configuration for the amplification stages. This ensures that the signal is fully balanced and reduces the likelihood of unwanted distortion.5. High-quality components: The PAT-4 is built using high-quality components such as carbon composite resistors and polypropylene capacitors. These components are known for providing excellent performance and reliability.The Dynaco PAT-4 is a highly regarded amplifier that is still sought after by audiophiles today. Its classic design and warm, rich sound make it a favorite among discerning music enthusiasts. While it may require more maintenance and care than more modern amplifiers, those who appreciate vintage audio equipment will find that the PAT-4 is a true gem.

Preamp Output:
Frequency Response: 10Hz to 100kHz
Distortion: 0.05%
Gain: 54dB (mm), 20dB (line)
Input Sensitivity: 10mV (mm), 500mV (line)
Signal to Noise Ratio: 70dB (mm), 85dB (line)
Line Output:
Dimensions: 13.5 x 14.25 x 9"
Weight: 10 lb
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