Κώστας Φ.
Truth hurts. Here's a teddy bear.
- Μηνύματα
- 8.978
- Reaction score
- 895

Design Features
- Single Ended pure class A mono block power amplifier
- Eimac power industrial type direct heated triode - 450TH (N.O.S.)
- DC coupled all tube circuit (only output transformer without capacitors)
- CE comfortable
- 160 W of pure class A @4ohms or @8ohms
- low global feedback configuration with damping factor of 20
- high capacity in power supply resulting to over 500joules of energy storage
- custom designed power transformer of 1000W encapsulated-low density
- custom designed output transformer of 1000W encapsulated- last generation
- full double stabilisation of high voltage for driver tubes
- 6N1P-EV & 6N30P-DR long life military grade tubes for driver purposes
- full automatic bias with automatic-adjust (no any adjustment).
- variable bias (two mode with 40W & 160W of output power)
- balanced DC power to supply filament of output tube
- balanced regulated DC power to supply filament for driver tubes
- both input and output WBT connectors
- input wired with pure 6N silver (99,9999% of silver purity)
- all aluminum modulated chassis with double 25mm thick front panel
Billed as the most powerful single-ended tube amplifier on the market, NAT Audio's Magna produces 160 watts into 4 and 8 ohms with a frequency reponse of 10Hz to 100kHz -3dB. Input sensitivity is 2.7V for full output, gain 22.5dB at 8 ohms and noise 105dB below rated output. The tube complement is 1x 6N1P-EV, 1 x 6N30P-DR and 1 x Eimac 450TH. The unusual power triode is a direct-heated NOS design and runs in a DC-coupled all-tube circuit (output transformer-coupled without capacitors) with low global feedback applied to achieve a damping factor of 20. The power and output transformers are rated for 1000 watts and the power supply capacitance is over 500 joules. The Magna is an auto-bias design with variable bias mode for 40 or 160 watts of output power. The Magna is a special-order item with a 45-day lead time.
Πηγή: 6moons.com
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