EV55ST Stereo Tube Amplifier

The EKCO EV55ST tube amplifier offers exceptional realistic sound reproduction combined with high build quality. Using the most suitable tubes, the EV55ST is capable of delivering outstanding performance.

With tube, negative feedback, and speaker settings, the EV55ST is versatile in sound tuning and can drive a wide range of speakers with ease and sonic detail.

Specifications:

• >90dB Signal-to-Noise Ratio
• 560mV RMS Input Sensitivity
• 100K Ω Input
• 4 / 8 Ω Output
• 230V Power Supply, ± 5%, 50Hz
• 280W Maximum Power Consumption
• 4 x KT88, 1 x 12AX7, 4 x 12AU7 Tubes
• Dimensions 236mm x 356mm x 420mm
• 28kg Net Weight
• 2 x RCA Inputs
• 4 x Speaker Outputs
• Ground Connection
• Speaker Selection A/B
• Ultralinear / Triode Mode
• Adjustable Negative Feedback
• 18Hz – 35kHz Frequency Response (±1dB)
• 2 x 55W Power Output (Ultralinear Mode)
• 2 x 28W Power Output (Triode Mode)