I am selling the following 3 celestra amps. Barely used, like new. Only selling because I need the money.
RA475x - $850 shipped
4x 75W rms nominal power;
built as "DUAL 2 channels" (fully separate 2 main boards);
"audiophile grade" audio quality - Zero Feedback Ratio Design;
2x 240W rms bridged mono;
tri-mode operation (mono + stereo without any switch or adapter);
bypassable low-pass and high-pass internal cross-over fully independent in tuning (50-3.5K)Hz;
perfect for filtering points as sub & low-mid; low-mid & high-mid; high-mid & tweeter;
two independent 500W DC (@12V) high frequency switching power supplies;
no one aluminum capacitor in the signal path;
200W complementary power Mosfet (each) on audio output stage;
intelligent electronic protection design capable to put out high impulsive currents;
one of the most compact 4ch. amp in the market in its category;
fine chromed and polished finish.
DA2K - $650 shipped
Balanced D class" circuit design
Power at 4 ohm: 1x 600 Wrms (THD 0.1%)
Power at 2 ohm: 1x 1300 Wrms (THD 0.3%)
Power at 1 ohm: 1x 2100 Wrms (THD 1%)
Power with 2 linked amps at 4 ohm : 1x 2700 Wrms
Power with 2 linked amps at 2 ohm : 1x 4200 Wrms
2 independent power supplies
2x 2AWG battery connectors
Built-in low pass filter adjustable from 35Hz to 250Hz
Adjustable phase: 0° ~ 180°
Remote level control knob
output oversized power Relay as protection and mute
2 amps link function: Output Master/Input Slave
RA475x - $850 shipped
4x 75W rms nominal power;
built as "DUAL 2 channels" (fully separate 2 main boards);
"audiophile grade" audio quality - Zero Feedback Ratio Design;
2x 240W rms bridged mono;
tri-mode operation (mono + stereo without any switch or adapter);
bypassable low-pass and high-pass internal cross-over fully independent in tuning (50-3.5K)Hz;
perfect for filtering points as sub & low-mid; low-mid & high-mid; high-mid & tweeter;
two independent 500W DC (@12V) high frequency switching power supplies;
no one aluminum capacitor in the signal path;
200W complementary power Mosfet (each) on audio output stage;
intelligent electronic protection design capable to put out high impulsive currents;
one of the most compact 4ch. amp in the market in its category;
fine chromed and polished finish.
DA2K - $650 shipped
Balanced D class" circuit design
Power at 4 ohm: 1x 600 Wrms (THD 0.1%)
Power at 2 ohm: 1x 1300 Wrms (THD 0.3%)
Power at 1 ohm: 1x 2100 Wrms (THD 1%)
Power with 2 linked amps at 4 ohm : 1x 2700 Wrms
Power with 2 linked amps at 2 ohm : 1x 4200 Wrms
2 independent power supplies
2x 2AWG battery connectors
Built-in low pass filter adjustable from 35Hz to 250Hz
Adjustable phase: 0° ~ 180°
Remote level control knob
output oversized power Relay as protection and mute
2 amps link function: Output Master/Input Slave
