| ASA 204, ASA 304 |
|
| Audio |
|---|
| Gain | Generally unity. Actual gain depends on whether or not both inputs have signals and also on the output wiring and DIP switch settings. See the table below. |
| |  |
| Frequency response | 20 Hz to 20 kHz, ±0.05 dB |
| THD + Noise | 0.03% @ 1 kHz at nominal level |
| S/N | >90 dB (balanced) at rated maximum output |
| CMRR | >75 dB @ 20 Hz to 20 kHz |
|
| Audio input |
|---|
| Number/signal type | |
| ASA 204 | 4 stereo, unbalanced |
| ASA 304 | 4 stereo, balanced/unbalanced |
| Connectors | |
| ASA 204 | 4 pairs of female RCA (tip-ring) |
| ASA 304 | (4) 3.5 mm captive screw connectors, 5 pole |
| Impedance | |
| ASA 204 | >10k ohms unbalanced, DC coupled |
| ASA 304 | >17k ohms unbalanced, 23k ohms balanced, DC coupled |
| Nominal level | |
| ASA 204 | -10 dBV (316 mV) |
| ASA 304 | +4 dBu (1.23 V) |
| Maximum level | +20 dBu (7.75 V), (balanced or unbalanced), at 1% THD+N |
| NOTE | 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu |
|
|
| Audio output |
|---|
| Number/signal type | 4 mono, balanced/unbalanced |
| Connectors | (2) 3.5 mm captive screw connectors, 5 pole (double stacked) |
| Impedance | <50 ohms unbalanced, 100 ohms balanced |
| Nominal level | |
| ASA 204 | -10 dBV (316 mV) |
| ASA 304 | +4 dBu (1.23 V) |
| Maximum level (Hi-Z) | |
| ASA 204, ASA 304 only | >+23 dBu, balanced; or >+17 dBu, unbalanced at 1% THD+N |
| Maximum level (600 ohm) | |
| All models | >+21 dBm, balanced; or >15 dBu, unbalanced at 1% THD+N |
|
| General |
|---|
| External power supply | 100 VAC to 240 VAC, 50-60 Hz, external, to 12 VDC, 1 A (max.), regulated |
| Power input requirements | 12 VDC, 0.2 A |
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
| Cooling | Convection, no vents |
| Mounting | |
| Rack mount | Yes, with optional 1U rack shelf |
| Furniture mount | Yes, with optional mini under desk mounting kit |
| Pole mount | Yes, with optional mini projector mounting kit |
| Enclosure type | Metal |
| Enclosure dimensions | 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)
(4.3 cm H x 10.9 cm W x 7.6 cm D)
(Depth excludes connectors.) |
| Product weight | 0.5 lbs (0.3 kg) |
| Shipping weight | 3 lbs (2 kg) |
| Vibration | ISTA 1A in carton (International Safe Transit Association) |
| Regulatory compliance | |
| Safety | CE, c-UL, UL |
| EMI/EMC | CE, C-tick, FCC Class A, ICES, VCCI |
| Product warranty | 3 years parts and labor |
| NOTE | All nominal levels are at ±10%. |
|
| (7.6-101609-D11) |