Preamplifiers
Conrad-Johnson ET7-S2 Tube
Conrad-Johnson
The ET7-S2 is conrad-johnson's enhanced-triode line-stage preamplifier, positioned below the flagship GAT Series 2 and incorporating similar circuit design, including a single-ended triode gain stage, MOSFET output buffer, and microprocessor-controlled relay switching for input selection and level adjustment.
Specifications
| Frequency response | 2 Hz – 100 kHz |
| THD | 0.15% |
| Dimensions (W × H × D) | 482.6 × 111.1 × 390.5 mm |
| Weight | 8.6 kg |
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