This is a PRE-ORDER listing for a fully restored Akai GX-635D (Red color)

  • Option 1 – Standard (Free Shipping) Estimated delivery: ~40-50 days
  • Option 2 – Priority Processing (Optional) Your order can be prioritized for earlier completion in our current production queue. Estimated completion: ~7–10 days sooner (depending on model & workload) Includes priority final testing, QC, and preparation Contact us for availability

This AKAI GX-635D is a fully refurbished reel-to-reel deck featuring a custom red finish that delivers a striking visual presence while maintaining the durability of the original aluminum surface. Mechanically and electronically restored by HQaudios, this unit has been serviced, calibrated, and tested to ensure stable operation and faithful analog playback. It is a rare, collector-grade version of the legendary GX-635D, ideal for users who want reliable performance with a distinctive custom look.

  • Condition: Excellent – Restored, Serviced, Tested.
  • Model: GX635D
  • PROTECTION PLAN: 1-Year Warranty Included
  • FREE SUPPORT: Must be used before requesting return

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


  • Power output: 76 watts per channel into 8Ω (stereo)
  • Frequency response: 7Hz to 70kHz
  • Damping factor: 45
  • Input sensitivity: 1.8mV (MM), 180mV (line)
  • Signal to noise ratio: 78dB (MM), 91dB (line)
  • Output: 180mV (line), 1.5V (Pre out)
  • Semiconductors: 73 x transistors, 44 x diodes, 4 x field effect transistors
  • Dimensions: 16.4" × 5.7" × 12.4"
  • Weight: 30.9 lbs


  • 3-motor direct-drive transport with dual capstan stability
  • Auto-reverse playback and record with electronic logic control
  • 3-head design for simultaneous record-monitor operation
  • Fully serviced: cleaned, lubricated, pinch rollers replaced or reconditioned
  • Tested over 3-hour continuous run for consistent speed, channel balance, and playback fidelity

The Akai GX-635D is a vintage reel-to-reel tape deck, renowned for its superior audio quality and striking red finish. This unit has been completely serviced and restored to ensure optimal performance and longevity. Below are the details of the work done during the restoration process:

Refurbishment Details:

Electronic Service

  • Capacitor Replacement (Recap): All aged capacitors, particularly in the power supply and audio path, were replaced with new high-quality components to restore full functionality and improve reliability.
  • Transistor and Diode Replacement: Critical transistors and diodes were checked and replaced if out of spec to ensure stable operation and improved sound clarity.
  • Re-soldering of Joints: Any loose or oxidized solder joints were repaired to prevent potential signal degradation or failure.
  • Power Supply Check & Adjustment: The power supply was inspected, and voltage levels were calibrated to ensure consistency and safety.

Mechanical Service

  • Cleaning & Lubrication: All moving parts, including motors, capstan, pinch rollers, and transport mechanisms, were cleaned and lubricated for smooth operation.
  • Belt Replacement: New belts were installed to ensure accurate tape movement and prevent slippage.
  • Pinch Roller Replacement: Worn pinch rollers were replaced to ensure a proper grip on the tape, preventing speed fluctuations.

Heads & Tape Path Alignment

  • Head Cleaning & Polishing: The tape heads were carefully cleaned and polished to eliminate any build-up that could affect sound quality.
  • Azimuth and Height Alignment: The heads were adjusted for optimal alignment to ensure proper signal transfer and clear sound reproduction.
  • Tape Path Adjustment: The tape path was inspected and adjusted to ensure smooth travel of the tape across the heads.

Calibration & Testing

  • Speed Calibration: The motor speed was adjusted to meet factory specifications, ensuring accurate playback and recording speeds.
  • Bias & EQ Adjustment: Bias and equalization were calibrated to ensure the best sound reproduction across different tape types.
  • Performance Testing: Extensive testing was done under load for several hours to ensure reliable performance and consistent output.
  • FM/AM tuning was tested and adjusted for clear signal reception.

Cosmetic Refurbishment:

  • Custom Bold Red Finish: The Akai GX-635D is custom-painted in a striking red, creating a strong, unique personality that sets it apart from conventional models and adds a bold touch to your collection.
  • Full Combo Included: The package comes complete with side panels, hub, and empty reel tape, ensuring both aesthetic appeal and functionality, enhancing the value of your setup.

Final Inspection & Quality Control

  • Sound Quality Check: The unit was tested with various tape formats to ensure balanced sound quality and proper signal output. Both left and right channels were thoroughly examined for clear, distortion-free audio.
  • Operational Stability: The unit underwent multiple hours of continuous testing to ensure consistent operation, with no overheating or performance degradation.

Packaging: The unit will be carefully packaged for secure shipment, ensuring it arrives safely at your location.

  • Matches beautifully with Akai AM-2800 or Marantz 1152DC amplifiers and JBL L100 or Pioneer HPM-100 speakers for authentic 1970s reel sound.
  • Add a custom real-wood case (Walnut, Golden Zebrawood, or Charcoal Grey Ash) for a stunning collector display.

🎁 Unlock an instant $100 voucher with every combo purchase.

Secure Packaging:

  • Factory foam inserts and original cartons (if available)
  • Additional internal padding and wrap for transit protection
  • Double-wall outer box with corner guards and straps

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 availability, but safety and protection are always our top priority.

 
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HQaudios

High Quality Audios, Timeless Sound!

BY BUYING FROM HQaudios YOU AGREE TO CONTACT US DIRECTLY BEFORE LEAVING LESS THAN POSITIVE FEEDBACK, ANY RATING LESS THAN 5, OR STARTING A RETURN!

All items will be shipped within 03 business days of payment being processed!

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.

We provide shipping to the contiguous 48 United States, on most items. Shipping fees to ALL OTHER LOCATIONS will be calculated individually and added to customer invoices. HQaudios is also not responsible for any taxes, local duties, or fees outside of the USA and those are not included in the sale price or ship charge. In the event that the customer refuses a shipment, all shipping costs to and from the country or State in which the item was shipped to are not refunded. Please note, in some cases return shipping can cost as much as double the original ship cost.

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.

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.

Return Policy: 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 "Excellent" items must remain in "Excellent" 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

For high-value products: Due to the nature of these products, we prioritize fast processing for orders from eBay account holders who have been established for at least 3 years, with a successful transaction rate and feedback score of 99% or higher. For other cases, we will carefully consider the order and proactively contact the buyer to provide prompt support.

For full policy details, please visit our ABOUT US page.

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

From HQaudios Team!