Crescendo - Receiver SPL - Free user manual and instructions
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| Product Type | Receiver |
| Brand | SPL |
| Model | Crescendo |
| Dimensions (W x H x D) | 482 x 88 x 300 mm |
| Weight | 5.5 kg |
| Power Supply | 100-240 VAC, 50/60 Hz |
| Power Consumption | 30 W |
| Audio Inputs | 2x XLR, 2x RCA, 1x AES/EBU |
| Audio Outputs | 2x XLR, 2x RCA, 1x Headphone (6.35 mm) |
| Frequency Response | 10 Hz - 30 kHz (±0.5 dB) |
| Signal-to-Noise Ratio | > 110 dB (A-weighted) |
| Total Harmonic Distortion | < 0.001% |
| Channels | 2.0 (Stereo) |
| Controls | Volume knob, Input selector, Power switch |
| Display | LED indicators for power and signal |
| Cooling | Passive (no fan) |
| Operating Temperature | 0°C to 40°C |
| Housing | Steel chassis, black finish |
| Mounting | 19" rack mountable (1U) |
| Accessories Included | Power cord, rack ears, user manual |
| Maintenance | Clean with dry cloth; avoid liquids |
| Safety | Class I equipment; grounded plug required |
| Spare Parts / Repairability | Contact SPL service center for parts |
Frequently Asked Questions - Crescendo SPL
How do I connect my audio source to the Crescendo receiver?
Use the balanced XLR or unbalanced RCA inputs on the rear panel. Select the corresponding input using the front-panel selector.
Can I use the Crescendo with headphones?
Yes, plug your headphones into the 6.35 mm jack on the front. The speaker outputs are muted when headphones are connected.
What is the recommended power-up sequence?
Turn on your source equipment first, then the Crescendo. Power off in reverse order to avoid thumps.
How do I clean the Crescendo?
Use a soft, dry cloth. Do not use any liquids or abrasives. Ensure the unit is unplugged before cleaning.
The device does not power on. What should I check?
Ensure the power cord is securely connected and the mains outlet is live. Check that the power switch on the rear is turned on. If the LED still does not light, contact support.
Can I rack-mount the Crescendo?
Yes, it is 1U rack-mountable. Attach the included rack ears to the sides before mounting.
What is the warranty period?
SPL offers a 2-year warranty from the date of purchase. Keep your receipt for proof.
Is there a protective circuit for overheating?
Yes, the unit has thermal protection. If it shuts down unexpectedly, allow it to cool in a well-ventilated area.
Can I use the Crescendo with a subwoofer?
Yes, connect a powered subwoofer to the RCA sub-out (if available) or use the line outputs to feed a subwoofer.
Where can I find the latest firmware or manual?
Visit the SPL website at www.spl.audio and navigate to the Crescendo product page for downloads.
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USER MANUAL Crescendo SPL
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Product information
Brand : SPL
Model : Crescendo
Category : Receiver