eBay Information
Voltage Differences

🟥Regarding the Electronic Devices, please check the Voltage Info Carefully!

Most of our items are 100V (AC 100 Volt), you may need to use a voltage converter.

Not all of them, but most of them are 100V. Please check the Pictures and Description carefully, or ask us by sending a message.

🟥Different countries have different voltage standards. Please understand it.

Description

🟥Included Accessories & Condition Details: As shown in photos.


🟩Very Good Condition! Works Well! Tested by our professional technician.


Product Description

Product Description

Format: Integrated DC amplifier 
Model: AU-D907F Extra
Released: 1981 
Dimensions: W460 H160 D444 mm
Weight: 17.7kg


There are scratches and stains from use, so please refrain from bidding if this bothers you.
*** Maintenance, cleaning, operation check, and burn-in (including listening to records and CDs) have
been performed. All inputs and outputs and all switches have been confirmed to be working.
All PL lights illuminate.  

*Main maintenance details 

1. Main amplifier drive board: Degraded capacitors that affect sound quality were replaced to stabilize the circuit and improve sound quality. Key capacitors were replaced with audio-grade capacitors (Nichicon, FW). Image ⑨

2. Main amplifier drive board: The center 0V adjustment potentiometer, which is expected to deteriorate over time, was replaced and adjusted to stabilize the circuit. (Image 9)

3. Main amplifier drive board: The bias adjustment volume, which is expected to deteriorate over time, was replaced and adjusted to stabilize the circuit. Image ⑨

4. Input selector switch: Disassembled to improve poor contact, contacts adjusted, and cleaned with an electronic component cleaner. (Image 10)

5. Speaker relay: Disassembled and contacts adjusted to improve contact resistance. (Image 10)

6. RCA input terminals, SP output terminals: Disassembled, contact adjustment, and cleaning to improve contact resistance. Image 7

7. Inspect all circuit board and other component mounting points: Correct any soldering hazards, improve them by adding solder, etc.

8. MC transformer selector switch: Adjust the contacts and clean with an electronic component cleaning agent.

9. Clean any internal dirt with an electronic component cleaning agent or similar.

10. Front panel: Clean all knobs, etc. (Images ①②)

11. Repair scratches and stains on the exterior and wood parts using touch-up pens, etc. (Image 6)

12. After maintenance, shock tests and other tests were conducted to confirm that there were no abnormalities. (This test involves lightly tapping the entire unit while monitoring it with an oscilloscope and checking for noise, etc.)


🟥Message from Seller
Hi, my name is Danny Chou. I live in Tokyo, Japan. I can speak quite fluent English :)
I can source anything you want from Japan! Feel free to contact me anytime!
Customs Duty Tax - Tariff

🟩To the customers from the USA:

1, Regarding the items under 2,500 USD, the Import Customs Duty Tax (Tariff) is included in the total price of the item. You don't need to pay any additional fee.

2, Regarding the items over 2,500 USD, you need to pay the Customs Duty Tax (Tariff) to the customs office by yourself.


🟩To the customers from Worldwide (outside of the USA):

The Import Customs Duty Tax (Tariff) is not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to confirm these additional costs before making a purchase.

Important Notice!
🟩1, Most of our items are Japan Standard Spec. Such as the Voltage, most are 100V. Please check it carefully before you purchase. If it doesn't fit in your country, I recommend you use a voltage converter.
🟩2, Make sure you purchased the correct model number.
🟩So, due to the above reasons, please double-check the pictures and description to make sure you purchased the correct item.
Shipping & Return
⬛️Check Your Address
Please verify your address before paying, as we can only ship to addresses entered before placing the order. We cannot change an address after the order has already been placed.

⬛️Tracking
We provide valid Tracking Numbers for all orders.
All our international packages will be shipped by FedEx, DHL, or UPS.

⬛️Return
We offer a standard return or exchange policy. The item must be returned in its original condition to receive a full refund.
Payment

🟩Please make your payment according to the method specified by eBay.