Skip to product information
1 of 16

Vintage

Sinus Chairs by Karl Friedrich Förster, Kff, Germany, 1980s, Set of 4-RTR-1241053

Sinus Chairs by Karl Friedrich Förster, Kff, Germany, 1980s, Set of 4-RTR-1241053

Designer : Karl Friedrich Förster
해외재고 유럽현지가 빈티지 해상운송 3~4개월
Regular price €2.441.000,00
Regular price €2.556.000,00 Sale price €2.441.000,00
4% OFF Sold out
Super price : €2.296.737,00
When applying membership/cash discount
Shipping calculated at checkout.

로그인하면 3% 신규회원 쿠폰을 사용할 수 있어요!

New Member/Review/Cash Discount Information Up to 6 months interest -free installment information
A set of four Sinus chairs by Karl Friedrich Förster for the KFF from the 1980s. In original and very good condition. Sinus chairs are the first generation chairs. Very good workmanship. Iconic and timeless design.
Creator Karl Friedrich Förster
Manufacturer KFF
Design Period 1980 to 1989
Production Period 1980 to 1989
Country of Manufacture Germany
Identifying Marks This piece is attributed to the above-mentioned designer/maker. It has no attribution mark
Style Postmodern
Detailed Condition Very Good — This vintage/antique item has no defects, but it may show slight traces of use.
Restoration and Damage Details
Light wear consistent with age and use, Patina consistent with age and use
Product Code RTR-1241053
Materials Wood
Color Black
Width 51 cm 51 cm
Depth 44 cm 44 cm
Height 87 cm 87 cm
Seat Height 46 cm
View full details
  • Review event information

    If you write a purchase review, a 3% discount coupon will be issued for each review.

  • 100% genuine warranty

    We sell 100% genuine products purchased directly through the brand's official dealer, and we promise to reward 200% of the payment amount if it is found.

  • Safe shipping guarantee

    Products that require deliveryism provide installation services through domestic specialized installation and guarantee full refunds if they are damaged or misplaced during shipping.

  • Lifetime AS support

    Even if it's a parallel income, purchasing agency, or used products, if you have a problem with the product during use, Trddst is responsible and introduces a professional AS company.

Order notice information

Order production products may be delayed.

Order production products are based on your request. Request a manufacturer to produce and start delivery after completionIt is a service, Delay may occur in the production processWe will guide you in advance.

thus Before the production is completedTo Accurate schedule guidance is impossibleAnd After the production is completedLook Accurate schedule confirmation is possibledo.

Additional charges may occur in the process of ordering a product.

The price of ordering and overseas inventory products is about 10%of the cost, shipping, and imported agency commissions.

Therefore, if the manufacturer/supplier raises the cost or a local transportation fee, an additional fee can be provided.

Delivery may be delayed when shipping

Products delivered by maritime transportation are completed, and even if they are completed, they are not delivered individually. Delivery is carried out on a container with other productsWill be.

The maritime transportation is conducted once a month, and we will guide you in advance that the transportation schedule may be delayed depending on the volume.

If you request a separate customer's product, the additional cost will be at least 1 million won.

In addition, in the process of maritime transportation, the domestic entry schedule may be changed due to war, weather deterioration, and other shipping companies.

Additional costs may occur when domestic transportation

When domestic transportation is in progress Free shipping/payment delivery is applied according to the product detail page contentsWill be.

Even if it is free shipping, additional costs may be incurred below.

  • Regional/Seosan area
  • Ladder car use
  • Unable to use elevators
  • Depending on the characteristics of the product, an additional transportation person is required
  • Special equipment/construction required

Essential checklist before purchasing lighting products

  1. Electrical products that require safety certification, such as lighting, are conducted for self -use, and the same product cannot be cleared on the same date.
  2. Therefore, if you purchase two or more the same product, delivery will be divided.
  3. In some cases, the manufacturer does not include the J ring and brackets needed to install the lighting, which is not missing components. It is necessary to purchase and install a ring/bracket compatible in Korea.
  4. Be sure to check whether or not you include a bulb. E26/E27, the most used standard, is the same standard and can be easily purchased at domestic marts. If you need a dedicated bulb, you may not be able to use it without purchasing a dedicated bulb together.

Electrical products that require safety certification such as lighting are purchased (fastball) method
Applied and subject to safety management under the 「Electrical and Household goods Safety Management Act」
It is a product.

Quality regulations for each product -In case of exchange/refundable

  • Overseas manufacturers do not define in quality defect. Exchange/Refund is impossibledo.
    Example: Louis Polusen (Lewis Paulsen) Brand's glass light pH 3½-2½ floor lamp, like a shade of a man's handmade product that is produced by a person's mouth, uniform joints and finishes.
  • Depending on the PC/mobile phone environment you use, the color of the product may look different. Exchange/refund is not possible due to these color differencesdo.
  • Natural wood, natural leather/fabric, etc. have specificity that can be different for each product. Exchange/Refund is impossibledo.
  • The manufacturer can turn the product from time to time, and if the detailed option is changed, Exchange/Refund is impossibledo.

1. Wood (wood)

  • The natural characteristics of wood products are It is not a reason for exchange/refund.
  • There may be differences in the original or color tone of the tree.
  • Solid wood is contraction and expansion depending on the production environment, the environment used or the season. There may be cracking, deformation (bending), discoloration.
  • In the case of a collection of compresses of several layers of trees, The pattern is not uniform and the pattern variesYou can do it.
  • If you use a smoke method that is fumigible to the tree, The difference in color can be large.
  • According to the product Division, unity, color deformation, etc. may occur.

2. Steel (steel)

  • The part of the characteristics generated in the manufacturing process of the metal product It is not a reason for exchange/refund.
  • In the process of processing such as metal cutting, joints, etc. There may be fine scratches.
  • In the case of a powder painting that is widely used in the coloring process, The surface may not be held.
  • Brass color is due to the characteristics of materials and stamps Oxidation may occur.

4. Leather

  • The natural characteristics of natural leather are It is not a reason for exchange/refund.
  • The pattern of natural leather is not constant There may be differences in color tones.
  • Natural leather unique, such as insect bite marks and scratches There may be wounds or marks.
  • In use Naturally, wrinkles and discoloration are not the defect of the product..

4. Fabric

  • The part of the fabric characteristics made of natural materials It is not a reason for exchange/refund.
  • Fabric made of natural materials The fact that the thread is not a defect in the product.
  • If you need multiple pieces with the same fabric product, you must order it at once to make it in the same color. There may be a difference in color when purchasing additional purchases later..
  • For rugs There may be symptoms of hair loss, which is not a reason for the product defective..

5. marble

  • Natural marble The pattern and color are not constant, and there may be differences..
  • Product image and The choice of the same marble shape (pattern) is difficult.
  • Due to the pattern of the marble itself The surface may not be uniform.
  • Processing A certain scratch may occur.

6. Paper seat, Kane

  • Natural Paper/Cane is handmade processing characteristics There may be some joints without uniform weaving.

7. Plastic products

  • In the processing process Scratch may occur, and the color finish processing may not be completed in the assembly process..
  • Plastic material is processed The finish can be rough.

Questions for coping with the product when receiving the product

  • If only a part of the product arrives

First, check the courier invoice number on the My Page on the site. Even if you order one product, it can be sent individually by dividing it into two or more boxes depending on the size and configuration of the product.

If the courier invoice is not two, if the components are missing, if you provide the information below within 3 days of the delivery date provided by the carrier, you will receive the return procedure and the 100% refund will be made after the reception confirmation. If the above period is exceeded or the product, the genuine box, and the components are damaged, it is impossible to exchange/refund.

-CSS@trdst.com

-Email title: [Missing Components] Name / Contact

-Mandable provision contents

  1. Customer name
  2. contact
  3. Order product name
  4. Genuine box
  5. Received product photo
  6. Transportation

  • If the product is damaged

If the product is damaged, please provide the information below within 3 days of the delivery date provided by the carrier. If the above period is exceeded, it is impossible to exchange/refund.

-CSS@trdst.com

-Email title: [Damage] Name / Contact

-Mandable provision contents

  1. Customer name
  2. contact
  3. Order product name
  4. Box exterior photo
  5. Box interior photo
  6. Product packaging material photo
  7. Photos of the damage site (2 or more)
  8. Photos of the carrier (to see the contents well)

  • If the product is delivered

If the product is delivered, please provide the following information within 3 days of the delivery date provided by the carrier. If the above period is exceeded or the product, the genuine box, and the components are damaged, it is impossible to exchange/refund.

-CSS@trdst.com

-Email title: [Shipping] Name / Contact

-Mandable provision contents

  1. Customer name
  2. contact
  3. Order product name
  4. Genuine box
  5. Received product photo
  6. Transportation

Exchange/Refund Terms and Conditions

Exchange/refund regulations apply differently depending on the type of product.

  • Order production/overseas inventory

From the date of order After 7 days, you can't change your order cancellation/refund/option.

In the case of order production/overseas inventory products that import products from overseas at the request of customer Regulations on the period of production in advance, regulations on transportation period, quality regulationsIf you request a cancellation/return/refund for the relevant reason, Round -trip shipping and Penalty (30%of the total payment amount)I deduct a refund by deducting.

-CSS@trdst.com

-Email title: [Request for cancellation of order] / customer name / contact information

-Companive contents

  1. Customer name
  2. contact
  3. Order number
  4. Cancel desired product name
  5. Reasons for cancellation
  • Domestic stock

Previously handledIt is possible to cancel immediately. After the delivery process, Burden the cost of direct round -trip returnYou must do it to refund due to a simple change of mind.

-CSS@trdst.com

-E -mail title: [Cancel in stock] / Customer name / contact information

-Companive contents

  1. Customer name
  2. contact
  3. Order number
  4. Cancel desired product name
  5. Reasons for cancellation

  • The exchange/refund/cancellation policy of TRDST is based on the following e -commerce laws.
  • Act on Consumer Protection in e -commerce, etc.According to the e -commerce law, the withdrawal can be withdrawn within 7 days from the date of receiving the product even in the case of simple remorse. However, if all three requirements are met, the withdrawal of the subscription may be limited.

  1. Regarding goods produced individually according to the consumer's order or similar goods, etc.
  2. In case of recognition of the withdrawal of subscriptions, etc.
  3. If you have a separate fact of the transaction in advance, and the consent of the consumer's written (including electronic documents).

If the refund is not proceeded within one month based on the date of the withdrawal of the subscription, you can pay the refund delay interest.

Shipping terms

Shipping terms

1. Shipping area

  • All orders are delivered throughout Korea. However, additional shipping costs may be incurred in the Seosan area, and some areas may not be delivered.
  • Products that are shipped abroad contain all shipping costs.
  • Some products may be delivered.

2. Shipping

  • Different products and detailed pages

3. delivery fee

Free shipping/payment delivery is applied according to the product detail page contentsWill be.

Even if it is free shipping, additional costs may be incurred below.

  • Regional/Seosan area
  • Ladder car use
  • Unable to use elevators
  • Depending on the characteristics of the product, an additional transportation person is required
  • Special equipment/construction required

4. Shipping company

  • Our company CJ Logistics, Kyungdong Courier, IBP, DHL The product is sent through a reliable courier or a furniture installer.
  • It is possible to track the delivery, and if the shipment is completed after the order is completed, we will guide you to the shipping inquiry number with your email or text message.

5. Delayed delivery

  • The delivery status and delivery schedule will be guided only through My Page.
  • If the delivery status and delivery schedule are not yet updated, the manufacturer and the carrier have not been updated.
  • Order production productAccording to the customer's request Request a manufacturer to produce and start delivery after completionIt is a service, Delay may occur in the production processWe will guide you in advance, and we cannot guide the detailed schedule until the production is completed. As described above, it is impossible to cancel/refund due to the characteristics of the ordering product.do.
  • Products delivered to maritime transportationEven if the production is completed or completed, the delivery does not proceed individually Delivery is carried out on a container with other productsWill be. Maritime transportation On average once a month,And, Depending on the volume, the transportation schedule may be delayed.We will guide you in advance. If you request a separate customer's product, the additional cost will be at least 1 million won. In addition, if the domestic entry schedule is changed due to war, weather deterioration, and other shipping companies during the maritime transportation process, you can receive a changed delivery schedule. As above Cancellation/refund cannot be made due to the delay that it corresponds to the characteristics of maritime transportation.do.

6. Notes on receipt

  • If the packaging is damaged or the product is abnormal when receiving the product, Problem Coping Guide when receiving the productPlease refer to it;
  • If the product cannot be received at the designated shipping site, it may be returned or re -shipped according to the courier regulations, which may cause additional costs.

7. Change address

  • For the change of shipping destination, please fill in the information below.

-CSS@trdst.com

-Companive contents

  1. Customer name
  2. contact
  3. Member email address
  4. Order number
  5. Previous address
  6. Change address

If the delivery is already in progress, it may not be changed, and the cost incurred is to be delivered to the changed shipping destination.

8. Other

  • If the address entered by the customer is inaccurate or the receiver is absent, delivery may be delayed or returned, and the additional cost incurred is the customer burden.

Frequently asked questions (FAQ)

Is it clear?

TRDST is guaranteed 100% genuine because it purchases products from certified overseas dealers.

Is it possible to install/ service?

  • Basic installation/assembly service provided product
  1. sofa
  2. table
  3. shelf
  4. Products that need to be assembled

* Excludes products that require special equipment/construction/wall perforation.

  • Installation/assembly service uncomfortable product
  1. Furniture/props that do not require installation/assembly
  2. Lighting Products-Partner Direct Inquiries (Seven Star Lights, 010-7657-7557)
  3. Products that require special equipment/construction/wall perforation

Is there in stock?

We will guide you how to check the inventory of the product within the product detail page.

  • Order type: Spell

It is a product without inventory, and it is a product that starts production when ordering.

  • Order type: Domestic stock

It is a stock product in Korea and can receive the product within 1-2 weeks. If it is checked, the refund will proceed.

  • Order type: Overseas inventory

It is a inventory product held abroad, The delivery period varies depending on the delivery method.

If the delivery method is a courier, delivery will begin within 2 weeks and the product can be received within 3 to 4 weeks.

If the delivery method is a maritime transport, it will be shipped on the schedule that departs once a month, so it will take more than 3 months even if the inventory is in stock.

How long does it take?

Please check the production period and delivery period shown in the product detail page.

In the case of ordering It takes a period of combination of production period and delivery period, and in general, Furniture for more than 6 months and lighting for more than 3 monthsWill be.

The production period is different for each product, and it may be delayed.

In the case of domestic inventory Delivery within 1-2 weeksThis is completed. If the installer is visiting, we will proceed with the Happy Call and schedule it.

Overseas inventory transportationIf It takes more than 3 monthsWill be.

Overseas inventory delivery delivery If Shipping within 4 weeks on averageWill be.

Can I order products that are not on the site?

Yes, all products are available in our brand.

Please contact us with a customer center.

Can I buy parts?

If the part is registered on the site, you can purchase it. If it is not registered on the site, it is impossible to purchase parts.

Is cash receipts/tax invoice issued?

Yes, if you make a cash payment, you can issue a cash receipt/tax invoice. If you want to pay cash, please contact the Customer Center.

Is cash discount possible?

An additional 3% discount is available for cash payments.

Is it included?

Selling prices include tariffs, VAT, and individual consumption taxes, and there is no additional cost to pay for taxes.

Where do you check your personal customs code?

Customs cords are available at the link below.

https://unipass.customs.go.kr

I want to change the shipping destination

For the change of shipping destination, please fill in the information below.

-CSS@trdst.com

-Companive contents

  1. Customer name
  2. contact
  3. Member email address
  4. Order number
  5. Previous address
  6. Change address

If the delivery is already in progress, it may not be changed, and the cost incurred is to be delivered to the changed shipping destination.

Is there an offline store?

TRDST is currently operating only online stores.

If you want to see the actual appearance of the product, we recommend that you visit the official store/department store in Korea.

You can check the detailed store information by searching for the brand name + store of the product on Naver/Google.

Is it possible to consult a telephone?

We provide counseling using chat services for smooth consultation.

Contact chat consultation

Can I keep the product and get it later?

The product storage is up to one month, and afterwards, storage is 30,000 won per month.

What is half a half payment?

Half -class payments are a payment method that divides the down payment and the balance when ordering a customized product that takes a long time.

3%of the total product order amount is set as a fee and is automatically calculated when paying.

You can pay 50%of the total amount, including the commission, and pay the order, which can lower the initial burden cost.

Most of the down payment is used to order actual products, so you can buy it with confidence when purchasing expensive items.

50%of the balance must be paid before the product is sent overseas, and is requested when the production completion schedule is closer.

If the balance is late, the delivery period may be longer.