Akai GX-635D Reel To Reel – Pro Restored, Fully Serviced- 1 Year WRT
- Condition: Excellent – Restored, Serviced, Tested.
- Model: GX635D
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 15JKE3923
Akai GX-635D Reel To Reel
ABOUT
The Akai GX-635D stands as one of the finest open-reel tape decks ever produced — a showcase of Japanese precision engineering and timeless design.
With dual capstan, 3-motor direct drive, and auto-reverse playback, the GX-635D combines audiophile performance with rock-solid reliability.
Fully serviced, demagnetized, and calibrated, this deck is ready to deliver the true magic of analog tape recording and playback.
- Condition: Excellent – Restored, Serviced, Tested.
- Model: GX635D
- PROTECTION PLAN: 1-Year Warranty Included
- FREE SUPPORT: Must be used before requesting return
- SKU: 15JKE3923
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
- 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
KEY FEATURES
- 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
REFURBISHED
This AKAI GX-635D has undergone a full, professional refurbishment at HQaudios to restore optimal performance, mechanical stability, and authentic open-reel sound. This listing includes the deck only. Reels, HUB adapters, and tapes are not included.
1. Initial Inspection
Full internal and external inspection
Transport mechanism, capstan motor, reel motors, brakes, and tension arms evaluated
Logic control and auto-reverse system checked
All switches, meters, and I/O jacks verified
2. Mechanical Restoration
Complete transport service
Cleaned and lubricated capstan bearings
Serviced reel motor assemblies
Reconditioned and aligned brakes
Re-tensioned pinch roller arm and tape guides
Belts & Idlers
Replaced capstan belt
Replaced counter belt
Inspected idler wheels and serviced as needed
Tape Path
Cleaned, burnished, and fully demagnetized tape path
GX glass-crystal heads polished and verified for even wear
3. Electronics Refurbishment
Recapped critical electrolytic capacitors on transport and audio boards
Reflowed weak/dull solder joints across key boards
Rebuilt and replaced protection relay
Calibrated playback and record equalization
Checked all transistors, diodes, resistors in the audio path
Replaced all indicator lamps where needed
4. Controls, Logic & Auto-Reverse
Full DeoxIT treatment for all switches, pots, and pushbuttons
Logic control board cleaned and re-synced
Auto-reverse function adjusted for accurate switching
Pause, REC MUTE, and all transport buttons restored to flawless operation
5. Cosmetic Restoration
Faceplate ultrasonically cleaned and hand-detailed
Knobs removed, cleaned, and polished
Aluminum surfaces restored and free of heavy scratches
Wood side panels cleaned and refinished for a uniform appearance
VU meters cleaned and re-aligned
All hardware inspected and replaced where damaged
6. Final Testing & Certification
Speed accuracy calibrated at 7½ and 3¾ ips
Wow & Flutter checked and within factory tolerance
Record and playback tested on both directions
Frequency response verified from 20Hz – 20kHz
2-hour continuous run test (both directions) to ensure heat stability
Passed HQaudios Certified Quality standards
⚠️ Note: Reels, aluminum NAB hubs, and blank tapes shown in photos are not included. They are for demonstration purposes only.
SUGGESTED PAIRINGS
- 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.
💡 Buy as a combo and save $100 — message us for details!
PACKAGING & SHIPPING
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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Thank you for viewing our listing! Please kindly ensure you read all the provided information carefully!
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!

































































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