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Akai GX-646 Custom Gold Reel-to-Reel Restored Reels NAB Hubs Wood Case-Warranty
$4,999
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- Akai GX-646 4-track, 2-channel auto-reverse reel-to-reel deck
- Custom Gold finish – a striking, one-of-a-kind presentation
- 6 GX glass & crystal ferrite heads, 3-motor transport with direct-drive capstan
- 3¾ and 7½ ips, accepts 10.5-inch reels, EE tape compatible
- Record/playback preamp serviced – transistors and capacitors replaced
- Play and record switches cleaned and restored
- Backed by our 1-Year HQaudios Warranty
SOUND DEMO / AUDIO EXPERIENCE
For the best audio experience, please use headphones or external speakers.
AKAI GX-646 Custom Gold
Auto-Reverse Reel-to-Reel Tape Deck
Professionally Restored • Custom Gold Finish
Converted for U.S. 120V Operation
2 Gold AKAI Reels + 2 Reel Hubs Included
1-Year HQaudios Technical Warranty
Converted for U.S. 120V Operation
2 Gold AKAI Reels + 2 Reel Hubs Included
1-Year HQaudios Technical Warranty
Product Highlights
✓ Professionally restored AKAI GX-646
✓ Custom Gold anodized exterior components
✓ Custom polished stainless-steel side panels
✓ Newly fabricated rear panel
✓ New drive belts
✓ New brake linings / pads
✓ Mechanical and tape transport service
✓ Playback and recording inspection & testing
✓ Converted from original 100V configuration to U.S. 120V
✓ Two matching Gold AKAI reels included
✓ Two reel hubs / adapters included
✓ Multi-stage HQaudios Quality Control
✓ 1-Year HQaudios Technical Warranty
✓ Custom Gold anodized exterior components
✓ Custom polished stainless-steel side panels
✓ Newly fabricated rear panel
✓ New drive belts
✓ New brake linings / pads
✓ Mechanical and tape transport service
✓ Playback and recording inspection & testing
✓ Converted from original 100V configuration to U.S. 120V
✓ Two matching Gold AKAI reels included
✓ Two reel hubs / adapters included
✓ Multi-stage HQaudios Quality Control
✓ 1-Year HQaudios Technical Warranty
About This AKAI GX-646
Offered by HQaudios, this product page is for the
actual AKAI GX-646 and accessories shown in the photographs.
This GX-646 has undergone an extensive
mechanical, functional, and cosmetic restoration.
The machine was carefully disassembled, serviced, inspected, refinished,
reassembled, and tested through multiple quality-control stages before final approval.
The restoration preserves the iconic appearance and character of the classic
AKAI GX-646 while giving this specific machine a distinctive custom Gold presentation.
Complete Gold Reel & Hub Combo
✓ 1 × AKAI GX-646 Reel-to-Reel Tape Deck
✓ 2 × Matching Gold AKAI Reels shown in the photos
✓ 2 × Reel Hubs / Adapters
✓ Actual accessories shown with the machine
✓ 1-Year HQaudios Technical Warranty
This machine is offered as a complete display-and-operation combo, not simply as a bare tape deck.
Technical Specifications
Original AKAI GX-646 model specifications
| Track System | 4-Track, 2-Channel Stereo |
| Operation | Auto-Reverse Reel-to-Reel Tape Deck |
| Maximum Reel Size | Up to 10-inch Reel |
| Head Configuration | 6 Heads Total 2 × GX Recording Heads 2 × GX Playback Heads 2 × Erase Heads |
| Motor System | 3 Motors Total 1 × AC Servo Capstan Motor 2 × AC Eddy-Current Reel Motors |
| Tape Speeds | 7-1/2 ips (19 cm/s) 3-3/4 ips (9.5 cm/s) |
| Wow & Flutter | Less than 0.03% WRMS at 7-1/2 ips Less than 0.04% WRMS at 3-3/4 ips |
| Frequency Response | 25 Hz – 33,000 Hz ±3 dB at 7-1/2 ips (-20 VU) 25 Hz – 26,000 Hz ±3 dB at 7-1/2 ips (0 VU) 25 Hz – 25,000 Hz ±3 dB at 3-3/4 ips (-20 VU) 25 Hz – 15,000 Hz ±3 dB at 3-3/4 ips (0 VU) |
| Signal-to-Noise Ratio | Better than 65 dB at 7-1/2 ips |
| Harmonic Distortion | Less than 0.4% at 7-1/2 ips |
| Microphone Input | 0.25 mV / 5 kΩ |
| Line Input | 70 mV / 100 kΩ |
| Line Output | 0.775 V at 0 VU |
| Dimensions | 17.3 W × 19.0 H × 10.1 D inches Approx. 440 × 483 × 256 mm |
| Unit Weight | Approx. 46.4 lbs / 21 kg |
| Power Configuration – This Unit | Professionally converted for U.S. 120V operation |
Custom Cosmetic Restoration
The exterior of this GX-646 received a comprehensive custom restoration.
• The aluminum faceplate, head cover, control knobs, and related exterior components were completely removed.
• Existing scratches and surface imperfections were carefully treated.
• Restored aluminum components were professionally anodized in a coordinated Gold finish.
• Painted surfaces were redesigned and refinished to complement the overall Gold presentation.
• Original wooden side panels were replaced with custom polished stainless-steel side panels.
• The rear panel was replaced with a newly fabricated panel made from the correct type of board imported from the United States.
• All screws and mounting hardware were inspected individually.
• Original hardware in good condition was thoroughly cleaned and reused.
• Hardware that did not meet HQaudios quality requirements was replaced.
Important Custom Finish Disclosure
The Gold anodized finish, refinished exterior surfaces, and polished stainless-steel side panels are part of a professional custom restoration.
They are not the original AKAI factory cosmetic finish, and this machine is not represented as a factory-produced Gold Limited Edition.
Mechanical Service
✓ Inspection, servicing, and adjustment of the mechanical system
✓ Replacement of the drive belts
✓ Replacement of the brake linings / brake pads
✓ Inspection and servicing of the reel transport system
✓ Inspection and servicing of the braking mechanisms
✓ Functional testing of primary transport controls
✓ Functional testing of moving mechanical assemblies
Playback & Recording Service
✓ Playback section inspected and serviced
✓ Playback operation functionally tested
✓ Recording section inspected and serviced
✓ Recording operation functionally tested
✓ Play and Record functions checked during final evaluation
✓ Machine tested through its operating modes before final approval
Converted for U.S. 120V Operation
This specific machine was originally configured for 100V operation.
Its power system has been professionally converted for U.S. 120V operation.
No external 100V step-down transformer is required for normal use from a standard U.S. 120V power supply.
Multi-Stage HQaudios Quality Control
Each major stage of restoration and preparation is checked by the appropriate HQaudios team.
1. Mechanical Repair & Functional QC
Mechanical operation, tape transport, controls, and moving assemblies are inspected after service.
Mechanical operation, tape transport, controls, and moving assemblies are inspected after service.
2. Playback & Recording QC
Playback and recording functions are checked before final approval.
Playback and recording functions are checked before final approval.
3. Cosmetic Restoration QC
Exterior finish, panels, hardware, controls, and overall presentation are inspected.
Exterior finish, panels, hardware, controls, and overall presentation are inspected.
4. Media & Photography QC
The machine is checked again during preparation of the product photos and media.
The machine is checked again during preparation of the product photos and media.
5. Final Inspection Before Packing
The machine and included accessories are verified before packing.
The machine and included accessories are verified before packing.
6. Packaging QC
Packaging is reviewed before shipment to help reduce the risk of transportation damage.
Packaging is reviewed before shipment to help reduce the risk of transportation damage.
Actual Unit Shown
The photographs on this page show the actual AKAI GX-646 offered for sale.
Please review all images carefully. They show the actual machine, custom Gold finish, polished stainless-steel side panels, controls, rear panel, Gold reels, reel hubs/adapters, cosmetic condition, and accessories included with this specific unit.
Important Condition Information
This is a professionally restored vintage machine with a custom cosmetic finish.
It is not represented as untouched, unused, or cosmetically factory-original.
Because this is genuine vintage equipment, minor evidence of age, prior use, handling, or restoration may remain. Product photographs should be considered the final visual reference for the cosmetic condition of this specific unit.
1-Year HQaudios Technical Warranty
This AKAI GX-646 is backed by our 1-Year HQaudios Technical Warranty.
HQaudios specializes in professionally prepared vintage audio equipment, with an emphasis on restoration, functional testing, quality control, careful packaging, and after-sale technical support.
Professional Packaging
Reel-to-reel tape decks are heavy, mechanically complex, and sensitive to impact during transportation.
This GX-646 will be carefully packed using protective materials appropriate for its size, weight, and mechanical construction. Removable accessories such as the Gold reels and reel hubs/adapters will be protected and secured appropriately for shipment.
What You See Is What You Receive
This sale includes the actual AKAI GX-646 shown in the product photographs, two matching Gold AKAI reels, two reel hubs/adapters, and the accessories pictured with this specific machine.
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