JBL C70 Alpha 1 Studio Monitor Pair of Speakers – Professional Restored – 1-Year Warranty

JBL C70 Alpha 1 Studio Monitor Pair of Speakers – Professional Restored – 1-Year Warranty

Condition: Professional Restored – Excellent sound, serviced

ABOUT:

While the JBL L100 Century became one of the most iconic American hi-fi speakers of the 1970s, the JBL C70 Alpha remains one of the rare “hidden gems” sought after by longtime audiophiles for its more mature, natural, and long-term enjoyable sound character.

Built around JBL’s legendary LE-series driver technology, the C70 Alpha delivers the classic “West Coast Sound” with deep impactful bass, energetic vocals, and highly engaging dynamics – especially well suited for rock, jazz, analog playback, and vintage vinyl listening.

What makes the C70 Alpha particularly special is its ability to reproduce music with both power and emotion while still maintaining balance and smooth long-term listenability. It’s the kind of sound that makes vintage audio enthusiasts want to sit longer with their favorite records.

Its large walnut cabinet, designed in classic mid-century American furniture style, also allows the C70 Alpha to function not only as a vintage hi-fi system, but as a highly collectible statement piece within a listening room.

Today, original JBL C70 Alpha pairs in beautiful condition are becoming increasingly rare on the market. For many collectors and experienced audiophiles, this is more than simply another vintage JBL speaker – it is one of the most rewarding models for truly experiencing the spirit of classic analog hi-fi.

• Condition: Excellent – Serviced, tested, and cleaned
• MODEL: JBL C70 Alpha 1
• TYPE: 3-Way Floorstanding Loudspeaker Pair
• PROTECTION PLAN: 1-Year Warranty Included
• FREE SUPPORT: Must be used before requesting return
• SKU: 1SELC1173

Customer Service:

Once your item arrives, if you have questions about how your item functions or proper settings, please CONTACT US.

TRADE-IN PROGRAM

“If you have any vintage audios (receivers, speakers, cassette, reel to reel…) & want to upgrade with the serviced one, don’t hesitate to contact us for the best deal. You only need to pay for the difference between yours & mine….”

Note:

The actual color of the product may sometimes differ slightly from the photos due to lighting conditions, temperature, and the device used. Some angles in the photos may not fully reflect the product’s condition. Please read the description carefully and feel free to message us if you have any questions.

SPECS:

• Type: 3-Way Floorstanding Loudspeaker System
• Frequency Response: 35Hz – 20kHz
• Power Handling: 100 watts continuous program
• Nominal Impedance: 8 ohms
• Sensitivity: 90 dB (1W/1m)
• Driver Configuration: 12″ woofer (123A) and a 12″ passive radiator
• Crossover Frequencies: 1.5kHz / 6kHz
• Cabinet Finish: Real walnut veneer with sculpted foam grille
• Dimensions: 26″ H × 15″ W × 13.5″ D
• Weight: 46 lbs each
• Year: 1973

KEY FEATURES:

• Studio-Grade Sound: Balanced, natural tone with JBL’s signature clarity and punch.
• Vintage Design: Beautiful walnut veneer and removable foam grille for an authentic 1970s look.
• LE-Series Drivers: Features JBL’s legendary LE14A woofer and LE5 midrange for accurate, detailed performance.
• Wide Frequency Range: Tight bass extension and smooth treble ideal for all music genres.

REFURBISHED:

This pair of JBL C70 Alpha 1 speakers has been fully refurbished to original JBL specifications, ensuring both performance and aesthetics are restored to their finest condition. Every component was inspected, tested, and serviced by experienced vintage audio technicians to guarantee a truly authentic listening experience.

Driver Inspection & Service

Woofer suspensions inspected and reconditioned for tight, accurate bass response.

Midrange cones examined for integrity and alignment to ensure open, natural vocal performance.

Tweeters verified for smooth, extended high-frequency output without distortion or imbalance.

Crossover Network

All internal wiring cleaned, re-secured, and signal paths checked for full conductivity.

Frequency balance and phase alignment verified to maintain JBL’s precise sound signature.

Grilles & Badges

Grille frames reinforced and aligned for proper fitment.

Original JBL badges cleaned and verified intact for collector authenticity.

Final Testing: Continuous playback testing (3+ hours) confirmed consistent channel balance and stable operation.

Result:

The result is a pair of JBL C70 Alpha 1 speakers that deliver deep, controlled bass, smooth midrange presence, and airy, extended highs — offering the unmistakable JBL character with renewed precision and musicality.

A true collector’s-grade restoration, ready to perform beautifully for decades to come.

✅ Backed by 1-Year Warranty (repair or replacement)

Suggested Pairings:

• Marantz 2325 Receiver – Smooth, full-bodied match for JBL warmth
• Kenwood KR-7600 Receiver – Clear, controlled sound with dynamic range
• Sansui AU-717 Integrated Amp – Tight control and rich tonal texture
• Yamaha CR-1020 Receiver – Detailed, balanced reproduction with excellent imaging
• Pioneer SX-1050 Receiver – Ideal synergy for high-efficiency JBL systems

🎁 GET A $100 VOUCHER INSTANTLY WHEN YOU BUY A COMBO!

PACKAGING & SHIPPING

Secure Packaging:

• Each unit is carefully packed using:
• Nylon wrap and sealed inner carton
• Custom EPE foam corners to protect edges
• Double-wall outer box for shock resistance
• Plastic straps + handling labels to ensure safe transit

Shipping Details:

• Dispatch Time: Ships within 3 business days
• Carrier: UPS Ground (tracked & insured)
• Signature Required: Yes (as buyer’s request)
• Transit Time: Typically 3–7 business days (USA)

International Shipping:

We offer global delivery through the eBay International Shipping Program. eBay handles customs, duties, and tracking.

📦 Note: Packaging may vary slightly depending on unit size or model, but safety and protection are always our top priority.

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We strive to describe all items honestly and accurately. However, as human beings, we may occasionally make mistakes. If you have any doubts or encounter conflicting information, please inquire before purchasing or making an offer

We kindly request that all buyers give us the opportunity to address any issues.

Payment Policy:

All buyers are required to make immediate payment or contact us within 24 hours to arrange payment, with payment received within 3 days. Offers submitted under the Best Offer feature are considered binding agreements and require immediate payment upon acceptance. Failure to adhere to these terms may result in substitution or cancellation of the transaction.

Payments must be accompanied by a valid shipping address listed as Confirmed. Payments with invalid shipping addresses will be refunded and may incur a processing fee deducted from the refund amount.

Shipping Policy:

This is for local pickup or we will ship it very carefully so that it arrives in good shape like it is now. Our customers’ satisfaction means everything to us. Once you get this item, feel free to contact us if it has any problems! I will try to answer any questions that you may have in a timely fashion.

All shipments are processed within 03 business days of payment, whenever possible. In the event of stock issues causing a delay, customers will be promptly notified, and alternative shipment arrangements will be made. Customers are responsible for any charges incurred due to failed delivery attempts or re-delivery.

Return Policy:

Our Free Support service must be utilized before requesting any return, for any reason.

Items may be exchanged within 30 days if defective or not as described, with a full refund of the purchase price if an exchange is unavailable.

If due to seller error, we will issue a prepaid return label or arrange for reimbursement of return shipping expenses as per this policy, not exceeding the original shipping cost.

The address for returning shipment: 10851 Capital Ave, Garden Grove CA 92843

Returned items may require inspection before determining fault. The item must be received in its original, unaltered condition with all original packaging. Electronic items cannot be opened or tampered with; sealed items must remain sealed, and “Mint” items must remain in “Mint” condition.

No returns will be accepted without first contacting us for Free Support, troubleshooting, or evaluation.

Warranty policy:

The warranty covers technical parts for up to 12 months from the date of receipt, provided there is valid evidence and the item remains sealed, unaltered, and has not been disassembled or internally inspected/repaired. Please note that shipping costs for warranty service will be the seller’s responsibility if the item is found to be defective.

⚠ Important Notice:

To ensure a smooth warranty process, we kindly request that you record a video while unboxing your package upon delivery. Any claims related to product damage or warranty service must be supported by clear video and photographic evidence. Please submit all required documentation to the official HQaudios email for prompt assistance.

***Failure to provide sufficient information as per our guidelines may result in the rejection of your request.

If you have any issues or dissatisfaction with our services, products, or policies, please refrain from leaving negative feedback immediately. Instead, contact us right away so we can provide you with the best possible solution and have the opportunity to improve our service quality!

Thank you for being a valued customer & Thanks for looking!