| XPA U 4004 FX |
|
| Audio |
| Voltage gain | |
| 8-ohm mode | 65x (36 dB) |
| 4-ohm mode | 46x (33 dB) |
| 70 V mode | 58x (35 dB) |
| 100 V mode | 81x (38 dB) |
| CMRR | 75 dB (typical) @ 1 kHz |
|
| Audio input |
| Number/signal type | 4 balanced/unbalanced |
| Connectors | (4) 3-pin 3.5 mm captive screw connectors |
| Impedance | >10k ohms balanced/unbalanced, DC coupled |
| Nominal level | +4 dBu, balanced |
| Maximum level | +20 dBu, balanced |
| Input sensitivity | |
| 8 ohm/4 ohm modes | +4 dBu (1.23 Vrms) for 800 W @ 8/4 ohms +1 dBu (0.87 Vrms) for 400 W @ 8/4 ohms |
| 70 V/100 V modes | +4 dBu (1.23 Vrms) |
| Input signal detection threshold | -65 dBu ±3 dB, balanced |
| NOTE | 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu |
|
|
| Audio output |
| Number/signal type | 4 channels, 8 ohm, 4 ohm, 70 V or 100 V |
| Connectors | (4) 2-pole, 5 mm screw-lock captive screw connectors |
| Load impedance | |
| 8-ohm mode | 8 ohms minimum |
| 4-ohm mode | 4 ohms minimum |
| 70 V mode | 6.25 ohms minimum for 800 W |
| 100 V mode | 12.5 ohms minimum for 800 W |
| Amplifier type | Class D |
| Output power | 400 W per channel (all channels driven), 4Ω / 8Ω / 70 V / 100 V, 1 kHz, 0.2% THD
800 W per channel (one channel driven per pair), 4Ω / 8Ω / 70 V / 100 V, 1 kHz |
| Frequency response | 20 Hz to 20 kHz, ±1 dB, 4Ω / 8Ω / 70 V / 100 V |
| THD + Noise | 0.1% @ 1 kHz, 8 ohm, at 3 dB below clipping |
| S/N | 100 dB, 20 Hz - 20 kHz, unweighted |
| High pass filter | |
| 70 V or 100 V modes | 80 Hz, 12 dB per octave rolloff (switch selectable) |
| NOTE | 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu |
|
|
| Control/remote — amplifier |
| Control port | (1) 3.5 mm captive screw, 2-pole |
| Pin configuration | |
| Standby power control (contact closure) | Pin 1 = GND, Pin 2 = Standby |
|
| General |
| Power | 100 VAC to 240 VAC, 50-60 Hz, internal |
| Power consumption and thermal dissipation | |
XPA U 4004 FX
| |
115 VAC, 60Hz |
230 VAC, 50Hz |
AC Line
Current |
AC Power
Consumed |
Thermal
Dissipation |
AC Line
Current |
AC Power
Consumed |
Thermal
Dissipation |
| Condition |
A |
W |
W |
BTU/hr |
A |
W |
W |
BTU/hr |
Active (1/8 power), all
channels driven |
8Ω |
3.2 |
343.1 |
76.2 |
260 |
1.7 |
335.7 |
69 |
235 |
| 4Ω |
3.3 |
350.5 |
88.5 |
302 |
1.7 |
343. |
81.9 |
280 |
| 70V |
2.6 |
276.0 |
52.0 |
177 |
1.3 |
271 |
46.9 |
160 |
| 100V |
2.4 |
255.8 |
43.5 |
148 |
1.2 |
251 |
38.9 |
133 |
| Quiescent (idle) |
0.3 |
21.4 |
21.4 |
73 |
0.3 |
19.7 |
19.7 |
67 |
| Standby |
0.1 |
<1 |
<1 |
<3 |
0.1 |
<1 |
<1 |
<3 |
|
| Ambient temperature/humidity | |
| Storage | -40 to +158°F (−40 to +70°C) / 10% to 90%, non-condensing |
| Operating | +32 to +122 °F (0 to +50 °C) / 10% to 90%, non-condensing |
| Cooling | Fan, front-to-rear, variable speed |
| Protection | Clip limiting, thermal, short circuit, DC output |
| Indication | Limiter/Protect LED indicates the onset of clip limiting, thermal cycling, or a short circuit
Power LED indicates DC output protection (see the XPA U 4004 FX User Guide for details) |
| Mounting | |
| Rack mount | Yes, with included mounting brackets |
| Rear rack ear mounting depth | 15.48” to 26.13” D (front rack rails to rear rack rails)
(393 mm to 664 mm D) |
| Enclosure type | Metal (aluminum) |
| Enclosure dimensions | 1.74" H x 17.31" W x 16.5" D (1U high, full rack wide) (44 mm H x 440 mm W x 419 mm D) (Width excludes faceplate and rack ears. Depth excludes rear rack ears.) |
| Product weight | 14 lb. (6.4 kg) |
| Regulatory compliance | CE, CEC, CISPR 22 Class B, C-Tick, c-UL, European Code of Conduct, FCC Class B, ICES, RoHS, UL, VCCI Class B
meets UL 62368-1, IEC 62368-1, and EN 62368-1 for AV equipment
ENERGY STAR® qualified amplifier |
| Warranty | 3 years parts and labor |
| Everlast power supply warranty | 7 years parts and labor |
| NOTE | All nominal levels are at ±10%. |
|
| NOTE | Specifications are subject to change without notice. |
|
| (6273-D3) |