HSA2-400ES - Receiver Ecler - Free user manual and instructions
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| Product Type | Professional Power Amplifier |
| Model | HSA2-400ES |
| Brand | Ecler |
| Channels | 2 |
| Power Output (RMS) | 400W per channel at 4 Ω, 250W at 8 Ω |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Input Sensitivity | 0.775 V (0 dBu) |
| Input Impedance | 10 kΩ (balanced), 20 kΩ (unbalanced) |
| Signal-to-Noise Ratio | >110 dB (A-weighted) |
| Total Harmonic Distortion | <0.05% at rated power |
| Input Connectors | XLR, RCA, Euroblock |
| Output Connectors | Binding posts (banana), Speakon |
| Cooling | Variable speed fan, rear-to-front airflow |
| Protection | Short circuit, thermal, DC, overvoltage, limiter |
| Power Supply | AC 100-240V, 50/60 Hz, 800W max |
| Dimensions (W x H x D) | 483 x 88 x 340 mm (19" / 2U) |
| Weight | 10.5 kg (23.1 lbs) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Maintenance | Clean exterior with dry cloth; check fans annually; no user-serviceable parts inside |
| Accessories Included | Power cord, rack ears, user manual |
| Spare Parts / Repairability | Contact Ecler authorized service centers for spare parts; design allows for easy module replacement |
Frequently Asked Questions - HSA2-400ES Ecler
How do I bridge the amplifier for more power?
Set the mode switch to Bridge and connect the speaker to the positive terminals of channel 1 and channel 2. Ensure minimum load of 8 Ω. Input signal should be fed to channel 1 input only.
What is the recommended speaker impedance for this amplifier?
For normal stereo operation, use 4 Ω to 8 Ω per channel. For bridged mono, use 8 Ω minimum. Never operate below 4 Ω in stereo or 8 Ω bridged.
Can I use unbalanced RCA inputs?
Yes, the amplifier accepts both balanced XLR and unbalanced RCA or Euroblock inputs. Use quality cables to avoid noise.
How do I connect multiple amplifiers in a daisy chain?
Use the Link Out XLR connector to chain the input signal to another amplifier. Ensure proper termination of the last unit.
What does the 'Protect' LED indicate?
The Protect LED illuminates when the amplifier detects a fault such as short circuit, thermal overload, or DC offset. The amplifier will automatically mute until the fault is cleared.
How often should I clean or replace the air filters?
Clean the front air filter every 3-6 months depending on dust level. Replace if damaged. This ensures proper cooling and longevity.
Can I use this amplifier in a 19-inch rack?
Yes, it is 2U rack-mountable. Use the included rack ears and support rails for heavy amplifiers.
What is the power consumption at idle and full load?
Idle power consumption is approximately 50 W. At full output (both channels driven), it can draw up to 800 W.
How do I adjust the input sensitivity?
Use the rear panel Sensitivity attenuator (potentiometer) to match the source level. Rotate clockwise to increase sensitivity.
What should I do if the amplifier overheats?
Ensure at least 1U space above and below the amplifier in rack. Check that fans are working and filters are clean. Reduce load or lower ambient temperature.
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USER MANUAL HSA2-400ES Ecler
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Product information
Brand : Ecler
Model : HSA2-400ES
Category : Receiver