Luxman - L-205 – Duo-B Circuit & Component-Based Design Audio amplifier





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Luxman L-205 integrated amplifier with the Duo-B circuit and discrete components, manufactured 1984–1985, physical condition Good, fully functional as tested, includes power adapter, weight 10 kg, 1 unit.
Description from the seller
Luxman Sound Excellence (1984-1985)
The Luxman L-205 is an iconic integrated amplifier from the Japanese hi-fi “golden age.”
Unlike the entry‑level amplifiers of its era that used integrated circuits, the L-205 relies on a discrete-component architecture.
This high-end design allows for far finer signal handling and easier maintenance for decades to come.
Exclusive Duo-Beta Technology (Duo-Beta)
The heart of this device is the famous Duo-Beta circuit patented by Luxman. This innovation uses two separate feedback loops:
- One loop for audible frequencies to minimize distortion.
- One loop for infra-bass to stabilize the DC current.
The result: an incredibly natural sound, wide stereo image, and that legendary Luxman warmth that is recognized worldwide.
Main Technical Specifications:
- Type: Solid-state amplifier (discrete power transistors).
- Power: 2 x 40 Watts into 8 Ohms (Dynamic real power, capable of driving demanding speakers).
- Frequency response: Exceptionally broad from 10 Hz to 100 kHz.
- Analog inputs: High-quality MM phono input for your turntable, Tuner, CD/Video, DAD, and two Tape in/out.
- Audio controls: High-Cut filter, Loudness, Bass, Treble, and Balance.
- Outputs: Terminals for two pairs of speakers (A, B or A+B).
- Design: Brushed aluminum front panel, elegant and timeless.
Device condition:
- Cosmetic condition: Excellent. The front panel is clean (See photos).
- Functional condition: Fully operational as of 2018, the date of its last use. It has since been stored away from light and dust.
What’s included: Luxman L-205 amplifier.
Shipping and Safety: The unit will be protected by multiple layers and placed in a double-rigid carton.
Delivery: Shipment with tracking number
Luxman Sound Excellence (1984-1985)
The Luxman L-205 is an iconic integrated amplifier from the Japanese hi-fi “golden age.”
Unlike the entry‑level amplifiers of its era that used integrated circuits, the L-205 relies on a discrete-component architecture.
This high-end design allows for far finer signal handling and easier maintenance for decades to come.
Exclusive Duo-Beta Technology (Duo-Beta)
The heart of this device is the famous Duo-Beta circuit patented by Luxman. This innovation uses two separate feedback loops:
- One loop for audible frequencies to minimize distortion.
- One loop for infra-bass to stabilize the DC current.
The result: an incredibly natural sound, wide stereo image, and that legendary Luxman warmth that is recognized worldwide.
Main Technical Specifications:
- Type: Solid-state amplifier (discrete power transistors).
- Power: 2 x 40 Watts into 8 Ohms (Dynamic real power, capable of driving demanding speakers).
- Frequency response: Exceptionally broad from 10 Hz to 100 kHz.
- Analog inputs: High-quality MM phono input for your turntable, Tuner, CD/Video, DAD, and two Tape in/out.
- Audio controls: High-Cut filter, Loudness, Bass, Treble, and Balance.
- Outputs: Terminals for two pairs of speakers (A, B or A+B).
- Design: Brushed aluminum front panel, elegant and timeless.
Device condition:
- Cosmetic condition: Excellent. The front panel is clean (See photos).
- Functional condition: Fully operational as of 2018, the date of its last use. It has since been stored away from light and dust.
What’s included: Luxman L-205 amplifier.
Shipping and Safety: The unit will be protected by multiple layers and placed in a double-rigid carton.
Delivery: Shipment with tracking number

