Where it is not specified ratings are for all models.
CONTINUOUS OUTPUT NOMINAL POWER *:
[both ch. driven from 20 hz to 20 Khz; THD < 0.1%]
*These power levels have
been measured by very tight and severe Joule's law phisical effects, it is not possible to directly compare these values with declared values of other brand. |
| RA150m |
1x 150Watt/4ohm @11Vbatt. |
1x 240Watt/2ohm @11.5V batt. |
|
| RA275 |
2x 75Watt/4ohm @11Vbatt. |
2x 120Watt/2ohm @11.5 Vbatt. |
1x 240Watt/4ohm (bridged) @ 11.5 Vbatt. |
| RA475x |
4x 75Watt/4ohm @11Vbatt. |
4x 120Watt/2ohm @11.5 Vbatt. |
2x 240Watt/4ohm (bridged) @ 11.5 Vbatt. |
| New
RA220 |
2x 200Watt/4ohm @11.5V batt. |
2x 250Watt/2ohm @12V batt. |
1x 500Watt/4ohm (bridged) @ 12 Vbatt. |
|
OUTPUT CURRENT [THD<1%; 20 hz to 20 Khz]:
|
| RA150m |
11 Arms continuous |
18 Arms (100 mS peak) |
| RA275 |
8 Arms continuous |
14 Arms (100 mS peak) |
| RA475x |
8 Arms continuous |
14 Arms (100 mS peak) |
| New RA220 |
12 Arms continuous |
20 Arms (100 mS peak) |
|
| RA150m: |
- 18 db/oct low-pass and 12 db/oct high-pass cross-over built-in
- separately adjustable from 250 Hz to 3.5KHz
- low pass filter can reach full-range band pass allowing
full-range mode
- high-pass output for mid-high frequencies external amp - S/N > 110Db - Max output 5Vrms
|
| RA275: |
- adjustable bass-boost @40Hz (0/+12 Db max)
|
RA475x:
|
- 12 db/oct low-pass and 12 db/oct high-pass Cross-over built-in, separately turn-on onto each ch. pair
- separately adjustable from 50 Hz to 3.5 Khz
- straight by-pass allowing full-range mode
|
|
| THD: less than 0.1 % until 1° clipping [20 hz to 20 Khz] |
| FREQUENCY RESPONSE [-3Db]: at 6 hz and more than 140 Khz (at nominal power into 4 ohm) |
| INPUT IMPEDANCE: 10 Kohm |
| INPUT SENSITIVITY: max 800 mVrms; min 4 Vrms |
| STEREO SEPARATION: 60 Db at 1Khz - (RA220x: 85Db) |
| SIGNAL TO NOISE RATIO: > 115 Db "A" weighted |
| CURRENT CONSUMPTION [at 12 Vbatt]: |
| RA150m |
idle |
4 ohm |
2 ohm |
|
|
nominal power
|
0.9 A |
24 A max |
38 A max |
|
 |
| RA275 |
idle |
4 ohm (stereo) |
2 ohm (stereo) |
4 ohm (bridged) |
|
nominal power
|
0.8 A |
24 A max |
38 A max |
38 A max |
|
| RA475x |
idle |
4 ohm (4ch.stereo) |
2 ohm (4ch.stereo) |
4 ohm (2ch. bridged) |
|
nominal power
|
(0.8+0.8) A |
(24+24) A max |
(38+38) A max |
(38+38) A max |
|
| New RA220 |
idle |
4 ohm (stereo) |
2 ohm (stereo) |
4 ohm (bridged) |
|
nominal power
|
1.8 A |
68 A max |
85 A max |
85 A max |
|
PROTECT AT:
- short on speakers outputs
- battery voltage < 9 V
- battery voltage > 15 V
- thermal with proportional start of fans at 40° C, shutdown at 70° C
- fully muted at turn on and off
|
| DIMENSIONS AND WEIGHTS: |
| RA150m |
(234 x 188 x 42) mm |
2 Kg |
| RA275 |
(234 x 188 x 42) mm |
1.4 Kg |
| RA475x |
(325x 188 x 42) mm |
3.2 Kg |
| New RA220 |
(325x 188 x 42) mm |
3.5 Kg |
|
Features could change without notice |
