Audiolab DC BLOCK User Manual
Mains Conditioner (DC+RF filter)
Brand: audiolab
Product Overview
The audiolab DC BLOCK is a mains conditioner designed to filter noise from the mains power line and block DC components. It incorporates both DC and RF filtering capabilities to improve audio equipment performance.
The device features a compact enclosure with the audiolab logo prominently displayed on the front panel. The rear panel details the electrical specifications:
- INPUT: 100-240V~ 50/60Hz 4A
- FUSE: T4AL 250V
- OUTPUT: 100-240V~ 50/60Hz 4A
The unit is marked with CE and RoHS compliance symbols, indicating adherence to European standards for safety and environmental protection. It is manufactured in P.R.C.
Important Safety Information
Please read, keep, and heed all warnings and instructions provided in this manual.
- Do not use this apparatus near water.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Do not defeat the safety purpose of the polarized or grounding-type plug. If the provided plug does not fit your outlet, consult an electrician.
- Protect the power cord from being walked on or pinched, especially at the plugs and where it exits the apparatus.
- Unplug this apparatus during lightning storms [lightning symbol ⚡] or when unused for long periods of time.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus is damaged (e.g., power cord, liquid spillage, dropped, exposed to rain/moisture, or not operating normally).
Servicing Cautions
CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
Installation Warnings
WARNING: Do not install this equipment in a confined or built-in space (e.g., bookcase) without adequate ventilation. Ensure ventilation openings are not impeded by items such as newspapers or tablecloths.
Accessory Warnings
WARNING: Only use attachments/accessories specified or provided by the manufacturer (such as the exclusive supply adapter).
Electrical and Safety Information
WARNING: Please refer to the information on the exterior panel of the enclosure for electrical and safety information before installing or operating the apparatus.
Exposure Warnings
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. The apparatus shall not be exposed to dripping or splashing, and objects filled with liquids (e.g., vases) shall not be placed on the apparatus.
Mains Supply
The mains operating voltage of the Audiolab DC BLOCK is shown on the rear panel. If this voltage does not match the mains voltage in your area, consult your Audiolab dealer about converting the unit.
The mains supply fuse on the rear panel is accessible when the IEC mains plug has been removed. In the rare event that it has broken, check for any obvious cause before replacing the fuse with one of the correct rating and type.
The fuse values are: 100-240V T4AL Slow Blow.
Quick Instruction Guide
Functions
- High frequency filter suppressing noise on the mains power line.
- Blocks DC on the mains power line.
Unpacking
Unpack the product fully. The carton should contain:
- The audiolab DC BLOCK
- One IEC mains power cord suitable for your area
- One IEC C14 to C13 jumper cord
If an item is missing or damaged, report this to your dealer as soon as possible. Retain the packing for safe transport. Dispose of packing according to local recycling regulations.
Connection
Make sure the ON/OFF switch on the unit you are going to use is switched off before performing the operations below.
- Connect the supplied jumper cord from the output of DC BLOCK to the unit you are going to use (e.g., audiolab power amplifier).
- Connect the supplied mains power cord from the input of DC BLOCK to the AC supply outlet.
Diagrams illustrate the unit's connections. The rear panel shows input and output IEC connectors, along with other ports. Connection (1) refers to the mains power cord input, and connection (2) refers to the jumper cord output.
Specifications
| Parameter | Value |
|---|---|
| Power Requirement | 100-240V~ 50-60Hz |
| Peak Load (1) | 600VA |
| Audio Power Amplifier Compatibility (2) | < 2x150W or < 1x300W |
| Dimensions (W x H x D) | 113 x 59 x 140 (mm) |
| Weight (net) | 0.7kg |
Note
The DC BLOCK is designed for audio equipment with variable power requirements up to maximum peak load, and should not feed any permanent high power loads such as heaters or similar.
Warranty
Terms and Conditions
Audiolab Ltd. warrants this product to be free from defects in materials and workmanship. During the warranty period, Audiolab will repair or replace (at its option) the product or any defective part if found to be defective due to faulty materials, workmanship, or function. The warranty period may vary by country.
The warranty starts on the date of purchase (or delivery, if later). Proof of purchase/delivery is required for service; otherwise, work will be chargeable. All work will be performed by Audiolab or its authorized agents/distributors. Unauthorized repair or modification will void the warranty. If a part is unavailable, it will be replaced with a functional equivalent. Replaced parts become Audiolab property. Repairs or replacements do not extend the original warranty period. This warranty is valid only in the country of purchase, applies only to the first purchaser, and is non-transferable.
Exclusions
The following are not covered:
- Products with removed, altered, or illegible serial numbers.
- Normal wear and tear and cosmetic damage.
- Transportation or installation of the product.
- Accidental damage, faults caused by commercial use, acts of God, incorrect installation, connection, or packing, misuse, neglect, or careless operation not in accordance with user instructions.
- Repairs or alterations carried out by parties other than Audiolab or its authorized agents/distributors.
- Products not purchased from an Audiolab authorized dealer.
- Products that were not new at the time of original purchase.
- Products sold 'as is', 'as seen', or 'with all faults'.
Repairs or replacements are the exclusive remedy. Audiolab shall not be liable for any incidental or consequential damages for breach of any express or implied warranty. This warranty is exclusive and in lieu of all other warranties, including merchantability and fitness for a practical purpose. This warranty provides benefits additional to, and does not affect, your statutory consumer rights.
Some countries and U.S. states do not allow the exclusion or limitation of incidental or consequential damages or implied warranties, so the exclusions above may not apply to you. This warranty grants specific legal rights, and you may have other statutory rights varying by location.
How to Claim
To obtain warranty service, contact the Audiolab authorized dealer from whom you purchased this product. Do not dispatch goods without prior agreement from the dealer, Audiolab, or their authorized distributors.
For international regions, please contact:
IAG House
13/14 Glebe Road
Huntingdon, Cambridgeshire, PE29 7DL
UK
Tel: +44 (0) 1480 452561
Email: service@audiolab.co.uk
If asked to return products for inspection and/or repair, pack carefully, preferably in the original cartons or packing affording an equal degree of protection, and return prepaid. If unsuitable packaging is used, Audiolab may charge for new packaging. Insurance is recommended, and goods are returned at the owner's risk. Audiolab or their authorized distributors cannot be held liable for loss or damage in transit.
Correct Disposal of Product
This marking [recycle symbol ♻️] indicates that this product should not be disposed of with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling.
