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10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak

10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
Upto 15% Off Hot Dual Coil -63 %
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
10-Inch DVC - Double Magnet Subwoofer - 1125W+1125W Peak
₹4,688.00
₹12,660.00
  • Stock: In Stock
  • Model: FRD10.4DVC
  • Weight: 3.90kg
  • Dimensions: 25.50cm x 25.50cm x 15.00cm
  • SKU: 10inDVC
FRD10EXTRA
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Upto 15% Offer
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7 days Replacement
7 days Replacement
We kindly request a complete unboxing video.
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EMI for ₹ 4,219 (after 10% discount) available at checkout:-

EMIDurationTotal Interest
₹ 1,444x 3 months₹ 113.07 @ 16% pa
₹ 736.34x 6 months₹ 199.26 @ 16% pa
₹ 500.58x 9 months₹ 286.07 @ 16% pa
₹ 382.79x 12 months₹ 374.36 @ 16% pa
₹ 265.19x 18 months₹ 554.70 @ 16% pa
₹ 206.57x 24 months₹ 738.70 @ 16% pa



Key Points:-

  • Delivery within 3 business days anywhere in India.
  • Overnight delivery for Delhi and NCR customers.
  • Standard hard wood packing.
  • For Return/Replacement Click Here
  • Compatible Amlifiers:- Ahuja SSA250dp OR Interfire 7000d OR Circuit board of STK 4191 with 24-0-24V and 5A
  • Ideal Replacement for Sony/Pioneer or JBL 10 inch subwoofers.
  • Compatible Enclosure 54L Volume - L Port Click Here

More 10 inch options:-

About this item

  • Chassis & Voice Coil:- Fredo FRD10.4DVC, made with Dual Coils, a first in 10 Inch subwoofers in India. Two Inch Voice Coil, 4 layers on Kapton paper, long throw of 13mm (X-max) with an overdrive safety margin of 18mm (X-damage). Heavy, die-cast chassis, taking almost all load of bass thump, without transferring it to mounting assembly.
  • Magnet Assembly:- Bigger Ring ferrites for this size. Each ferrite has 120mm (outer dia), 60mm (inner dia), and a thickness of 20mm. Compare it with the same size magnet assembly on most branded 12 Inch subwoofers. Fredo packs the same specs, even in smaller subwoofers.
  • Diaphragm & Spider:- Double glued spider for accurate mechanical damping of the diaphragm to efficiently reduce bass dispersal (a significant challenge in bigger subwoofers manufacturing, with powerful piston movement). Double stitched, Non-pressed paper diaphragm, for accurate and sharp cut-off bass. Big roll diaphragm surrounds for better air sealing and adhesive quality to the chassis periphery.
  • Standard feature in all Fredo Subwoofers:- Push-Fit, color-coded Steel Terminals, Under-spider and Pole piece ventilation, ferrite assembly cover casings, and superior quality foam surround on chassis periphery.
  • Power Ratings:- Single Coil Nominal Power 225W at 4Ω, Continuous use 675W, and Single Coil Peak at 1125W (shorting threshold). RMS Power 320W. Accessories included - Air seal gasket, extra dust cap, and foam ring. 1 extra bobby pin/Red & Black push fit terminals and steel mounting screws. Standard Wood Packing for all Fredo subwoofers and speakers.

Product Description

Fredo 10-inch DVC subwoofer

Break-in recommendation for this subwoofer:-

Subwoofers are electromechanical devices. The voice coil assembly has electrical winding, and it mechanically moves the diaphragm and the damping mechanism of a spider. The binding adhesive is an integral part of subwoofer construction. The diaphragm, spider, and metallic chassis are joined together with special-purpose adhesive glue.

7 to 8 hours of break-in period for your subwoofer is recommended to loosen up and even out the stressed areas, fresh out of manufacturing.

Stand-out point of Fredo subwoofer:-

  • Solidly built and rugged construction.
  • Use for 8 Ohms amplifier/Series connection:
  • Use for 2 Ohms amplifier/Parallel connection:

-Dual Amplifiers/4 Ohms each:

  • Connect 2 amplifiers (4 Ohms) to each voice coil for added punch and effect. Or you may use one amplifier/4 Ohms to one voice coil.

Fredo Speakers - Robust - Reliable - Reasonable

Variable resistance config...

  • Tune Qts for the type of enclosure
  • A potentiometer/variable resistor can be connected to one of the voice coils.
  • The amplifier to the other voice coil.
  • Q mechanical can be varied to infinite values, with potentiometer variance.
  • Q electrical will become double.
  • Strictly for DIY purposes, for audio lab orientations.
  • Note: Qtotal = (Qms x Qes)/Qms+Qes
  • In this case, varying the value of Qtotal (0.4 to 0.7) will help you make a better Bandpass/ported or sealed enclosure, as you can tune Subwoofer Qts accordingly.


What is in the box?

  • 1 DVC Subwoofer with double magnet
  • 1 extra foam ring assembly
  • air seal gasket and mounting screws
  • 1 red and black push fit terminal post

  • Important Delivery information:-

    This product is shipped directly from the Fredo factory, in Delhi.  Step by step WhatsApp updates on your mobile for order delivery.

    The Advantage of direct factory shipping:-

    One-shot delivery from Fredo factory to your address. Guaranteed fresh and new products, wood packed and sealed, will be delivered to you. No chance of tampering or damage. The item will reach your address in impeccable packing with locking belts.


    Power Ratings (for 10 inch DVC subwoofer)

    • Nominal power (Single coil) = 225 Watts.
    • Max continuous power (Single coil) = 675 Watts.
    • Spike power tolerance (Single coil) = 1125 Watts.
    • RMS power (Single coil) = 160 Watts, effective Impedance 4 Ohms.
    • RMS power (DVC wiring in parallel) = 320 Watts, effective Impedance 2 Ohms.
    • RMS power (DVC wiring in series) = 80 Watts, effective Impedance 8 Ohms.

    TS Parameters (pertaining to single voice coil)

    1. Resonance Frequency = 27 Hz
    2. Qms (mechanical) = 10.71. Qes (electrical) = 0.33. Qts (Total) = 0.32
    3. BL (motor strength) = 14.58 Tesla Meter
    4. Voice Coil dia = 2 inches + 2 inches


    Important information for replacements:-

    Q: What other components are necessary for this product?

    A: Our product line consists of subwoofers. For optimal performance, they require a compatible amplifier and a quality cabinet. Inadequate amplifiers may result in issues such as voice coil chattering, while testing without a suitable wood cabinet may lead to dissatisfaction with the sound quality.

    Q: What is the recommended procedure for receiving a product?

    A: We acknowledge the value of your investment in our products, which are a culmination of your DIY aspirations. Upon receiving your order, we kindly request that you create an unboxing video. While unboxing, please have someone else operate the camera to capture the process. This ensures documentation in case of any transport-related damage, providing necessary evidence to support your claim. Please note that videos filmed after repackaging the product at the customer's end will not be accepted as valid evidence.


    Q: Who is the ideal customer for this product?

    A: Engaging in do-it-yourself projects can be a costly and time-intensive endeavor. Achieving the desired outcome may require multiple attempts. If you have a genuine passion for immersive audio and are willing to invest in quality, Fredo subwoofers are tailored for you. Our products boast durability and substantial build. We provide a 6-month warranty against manufacturing defects, though replacement during this period will incur courier charges. We encourage potential buyers to carefully consider their need for this product, as we do not offer cash refunds for changes of heart after purchase.


    Q: How much will I be charged for courier services in the event of a replacement?

    A: The approximate courier charge is ₹100 per kilogram. Customers residing in Jammu & Kashmir and the North Eastern states may incur slightly higher charges due to the elevated costs of courier services in those regions. Rest assured, we will handle the arrangement of courier services for you, and payment can be made upon delivery.


    Q: What should I do if I receive a damaged product?

    A: While we take utmost care in packaging our products with wood, there is still a possibility of damage during transit due to mishandling by the courier. In such cases, we kindly ask you to upload a CLEAR video showcasing the damaged product WITH its wood packaging. Please note that minor nicks and scratches resulting from courier mishandling will not be considered as transport damage. You can reach us via email at fredoaudio@gmail.com or via WhatsApp at 9840024579 to initiate the resolution process.


    Q: What should I do if I suspect a manufacturing defect?

    A: Prior to shipping, all products undergo thorough inspection to ensure quality. If you suspect a manufacturing defect, we advise connecting the subwoofer or speaker to a high-quality amplifier to assess its performance accurately. Please refrain from assessing performance by testing the sponginess of the cone or dust cap by hand, as these methods are not indicative of overall performance. It's essential to check the voice coil integrity using a live amplifier input. Additionally, we strongly discourage testing subwoofers without a cabinet, as free air testing is primarily intended for specific TS parameters and not for evaluating sound quality.


    Q: Why am I responsible for courier charges if I suspect a manufacturing defect?

    A: In such instances, it's considered a disputed scenario. While we prioritize meticulous craftsmanship and quality checks before dispatch, certain factors beyond our control may influence the product's performance. This could include compatibility issues with amplifiers or instances of overcurrent leading to voice coil chattering or burning. However, there is also the possibility of a genuine manufacturing defect. To address this, we seek the opinion of our factory technician. In order to facilitate the shipment of a new product, we ask the customer to cover the approximate courier charge of ₹100 per kilogram.

    Q: Why is packaging material important?

    A: I'ts crucial to retain the packaging wood material and box for potential return and replacement scenarios. By preserving these elements, you assist us in receiving the product back at the Fredo factory in it's original condition. thereby minimizing the risk of damage during transit.

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