Brand: Marantz
Model: SM-6 ESOTEC
Type: Stereo Power Amplifier
Amplifier Class: Class A / Class AB
Color: Silver
Era: 1980s
Voltage: 100V (Japan)
Country of Origin: Japan

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🔊 Condition

• Tested and fully functional

• Used vintage condition

• Normal signs of age such as minor scratches or wear

• No performance issues observed

Please note: This is a vintage audio component. Perfection-level condition is not expected.

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🔧 Specifications

• Output Power (20Hz–20kHz, both channels driven):

  • 120W + 120W (Class AB)

  • 30W + 30W (Pure Class A)

• Total Harmonic Distortion: 0.015%

• Frequency Response: 5Hz – 100kHz

• Input Sensitivity / Impedance: 1.5V / 47kΩ

• Damping Factor: 100 (8Ω, 1kHz)

• S/N Ratio: 118dB (IHF-A)

• Power Consumption: 320W

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📐 Size & Weight

• Dimensions: 416 × 146 × 332 mm

• Weight: Approx. 14.5 kg

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📦 Included

• Power Amplifier Unit only
  (No accessories included unless shown in photos)

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⭐ Notes for Buyers

• Rare Marantz ESOTEC series power amplifier

• Highly regarded for warm, powerful Class A sound

• Hard to find in working condition

• Ideal for vintage hi-fi collectors and audiophiles

Items labeled as "Used" are pre-owned.
Please make your purchase with this understanding.

Our items are also sold at our local store.
In rare cases, stock updates may not be reflected in time.
If this occurs, we will contact you immediately with the best possible solution.

Standard shipping:
Ships by FedEx or DHL (with tracking number).
Depending on the region, it may be shipped by UPS or EMS.
Estimated delivery: 5–10 days after shipment.

Economy shipping:
Shipped by e-packet (with tracking number).
May be shipped in a small packet depending on the region.
Estimated delivery: 14–21 days after shipment.

Handling time: Ships within 10 business days.

We offer a 30 Day MoneyBack Guarantee.
If you are not satisfied, we will provide a refund or exchange.
Return shipping is the buyer's responsibility.

International Buyers - Please Note:
Import duties, taxes, and charges are not included in the item price or shipping cost.
These fees are the buyer's responsibility.
Please check with your local customs office before purchasing.

Cancellations & Returns
Accepted only if the item has an obvious problem not described in the listing.
Please contact us within 3 days after receiving the item.
Buyer is responsible for return shipping costs.

For customers residing in the USA:
Due to customs policy changes effective October 17, 2025:
• Orders $2,500 or less → DDP (Delivered Duty Paid)
• Orders over $2,500 → DDU (Delivered Duty Unpaid)