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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.
Too often, hybrid amps turn out to be less than the sum of their parts – a mismatch, both technically and sonically. It's essential to choose solid-state components that behave similarly to a tube. PrimaLuna EVO 300 Hybrid Power Amplifier's MOSFETs, used in the power stages, share similar characteristics with tubes.
Floyd Design's Jan de Groot has created amps with MOSFETs for 26 years. These MOSFETs are specifically designed to pair with our most successful PrimaLuna pre-stages, matched for the best sound quality possible and mounted it in one chassis; Et voilà!
The PrimaLuna EVO 300 Hybrid Power Amplifier is unlike any other hybrid amplifier on the market. You can SEE that, and you can HEAR that. We wanted the BEST HYBRID possible, and we knew it would become a more expensive unit. After the final fine-tuning and listening tests, we can easily accept and justify that!
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!
Specifications
Inputs:
1 x Stereo RCA
1 x Stereo XLR
Outputs:
Speaker Tap
Frequency Response:
10Hz - 80kHZ +/- 3dB
Standard Tube Complement:
6 - 12AU7
Dimensions (WxHxD):
15.9" x 15.2" x 8.1"
Weight:
68.3
Stereo:
Output Power (8 Ω/4 Ω):
100W / 150W
THD (@ 8 Ω):
0.2% 100W
S/N Ratio (A-Weighted):
-105dB
Input Sensitivity (RCA/XLR):
805mV/901mV
Input Impedance (RCA/XLR):
32kΩ / 49kΩ
Power Consumption:
104 W (no signal in); 645 W@4R
Mono:
Output Power (8 Ω/4 Ω):
220W / 300W
THD (@ 8 Ω):
0.2% 245W
S/N Ratio (A-Weighted):
-105dB
Input Sensitivity (RCA/XLR):
1330mV/1340mV
Input Impedance (RCA/XLR):
18kΩ / 50kΩ
Power Consumption:
104 W (no signal in); 645 W@4R