You can order input voltage 117V, 220V, 230V, 240V.

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

For all item on eBay, I will discount 10% or more of listing price, contact for more detail.

YouTube channel > Otomon Lab YouTube Channel

Shipping and Payment

Distributor OTOMON LAB
Operation director Uesugi Ken
Address 2520318
Kanagawa-ken Sagamihara-shi Minami-kuKamituruma Honcho 2-38-26
Phone number 042-702-9525
Fax number --
E-mail address
Other expenses You need to pay actual shipping fee to your place. Customer inside Japan will be discount shipping fee. I will mention it in product description.
Order method You can send email to me to or you can order via order form
Payment method We accept payment via bank transfer or PayPal. If you pay directly to my bank account, price will be discount 2% from listing price. You can use your creditcard to make payment via Paypal also.
Payment deadline Please make payment 3 days from the day you order item, after that period, we will relist item again and it will be available to another customer.
Delivery period Winthin 2 days from the day I confirm your payment in my account.
Returns and exchanges I give guarantee 100% for all item that I sell is same as description. I will accept return for full refund if item arrive is not as description.