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PrimaLuna’s hybrid design approach uses unique and innovative engineering to tightly connect the tube and the MOSFET section, ensuring they are always working in tandem.The Hybrid Power Amplifier uses the same tube input gain-stage and solid-state power amp gain-stage as the celebrated Hybrid Integrated, except that the power amp’s solid-state circuit has a gain relay which allows for gain switching between 24 dB or 30 dB, while keeping the tube gain steady.Read More
Tube in the Front, Solid State in the Back The input stages of the EVO 300 Hybrid use two 12AU7 tubes in the gain stages, and four 12AU7 driver tubes. The doubled driver tubes ensure a lower impedance on the output stages, allowing for large dynamics, a huge soundstage, and lots of beautiful harmonics and texture. The solid-state output stages use cascading JFETs from Linear Systems and each channel boasts two complementary pairs of MOSFETs from Exicon. These MOSFETS are exotic and custom-designed and built and are not available to anyone else! The setup is calibrated to offer the lowest impedance, and the 100 W into 8 ohms (160 W into 4 ohms) power sounds massive, allowing this amp to preserve tube glory while offering the excellent grip, low-bass power and control that MOSFETs are known for. The most crucial capacitors, the ones in the signal path, are extremely expensive tin-foil caps that are made in Europe. Elsewhere, even the caps outside the signal path are the top-quality models that modders use to upgrade their regular amps!
Inputs 1x Stereo RCA, 1x Stereo XLR Outputs Speaker Tap Freq. Response 10 Hz – 80 kHz +/- 3 dB Standard Tube Complement 6 x 12AU7 Dimensions (WxHxD) 15.9" x 15.2" x 8.1" (405 x 385 x 205 mm) Weight 68.3 lb. Stereo Mono Output Power (8 Ω/4 Ω): 100 W/150 W 220 W/300 W THD (@ 8 Ω) 0.2% 100 W 0.2% 245 W S/N Ratio (A-Weighted) -105 dB -105 dB Input Sensitivity (RCA / XLR) 805 mV/901 mV 1,330 mV/1,340 mV Input Impedance (RCA / XLR) 32 kOhm/49 kOhm 18 kOhm/50 kOhm Power Consumption 104 W (no signal in); 645 W@4R 104 W (no signal in); 645 W@4R