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Lyngdorf SDA 2175 High-Performance Power Amplifier.200 WPC 8 ohms.MADE IN DENMAR
End: 01.03. 2025 21:54:36 on Saturday
- Condition: Used
- Price: 768.27 EUR

- Status: unsold
- Item number: 276892780010
- Bids: 0
- Seller: misscaro1975-8 (447|98.3%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: EUR
- on EBAY
-
Description
Lyngdorf SDA 2175 High-Performance Power Amplifier.Working, excellent sound.Has some scratches.Comes with power cord.MADE IN DENMARK.SpecificationsPower output: 200 watts per channel into 8? (stereo)Frequency response: 0.3Hz to 33kHzTotal harmonic distortion: 0.01%Signal to noise ratio: 117dBSpeaker load impedance: 4? to 8?Dimensions: 450 x 361 x 100.6mmWeight: 13kgDescriptionThe SDA 2175 is a high-performance power amplifier designed without compromise. It can act as a controllable amplifier in Lyngdorf systems or as a power amplifier for conventional pre-amplifiers.The SDA 2175 is not your regular class D power amplifier. The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low and linear natural distortion, and an unmatchable performance is achieved by using less feedback compared to typical Class D amplifiers.And the fully balanced signal path all the way through the amplifier to the PWM conversion stage guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market!Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction normally used. This feed-forward technique originates from the design of the Millennium – the Lyngdorf state-of-the-art true digital amplifier.In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this results in low and frequency-independent distortion. Consequently wideband musical instruments can be re-played without any added harmonics – any source will be recreated to sound the way it was recorded.Semi Digital Amplifier“Semi Digital” is in Lyngdorf terms a “digital” switching amplifier driven by an analog input. In principle, the output stage of most switching amplifiers has the same working principle. PWM = Pulse Width Modulation is simply a matter of variable open/close time of the transistors.Fully balanced signal pathThe amplifier is fully balanced from input to output if driven with a balanced source, and if not driven with a balanced source, the signal is immediately transformed to a balanced signal.The fully balanced design gives clear advantages regarding hum and noise suppression – also from other sources. And the balanced design is not only used in the signal path – even the feedback loop internally in the output stage is designed to be fully balanced.The signal path is furthermore DC coupled to the widest extent – except from DC blocking capacitors in the input the construction is DC coupled through the rest of the construction leaving no discussion about capacitor quality.In the analog signal chain only the highest quality components are used as Ultra low distortion Burr-Brown op-amps in the input stage and Polypropylene capacitors in the output reconstruction filter.Finish: black.
Lyngdorf SDA 2175 High-Performance Power Amplifier.200 WPC 8 ohms.MADE IN DENMAR
End: 22.02. 2025 19:46:50 on Saturday
- Condition: Used
- Price: 812.05 EUR

- Status: unsold
- Item number: 276872001774
- Bids: 0
- Seller: misscaro1975-8 (446|98.3%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: EUR
- on EBAY
-
Description
Lyngdorf SDA 2175 High-Performance Power Amplifier.Working, excellent sound.Has some scratches.Comes with power cord.MADE IN DENMARK.SpecificationsPower output: 200 watts per channel into 8? (stereo)Frequency response: 0.3Hz to 33kHzTotal harmonic distortion: 0.01%Signal to noise ratio: 117dBSpeaker load impedance: 4? to 8?Dimensions: 450 x 361 x 100.6mmWeight: 13kgDescriptionThe SDA 2175 is a high-performance power amplifier designed without compromise. It can act as a controllable amplifier in Lyngdorf systems or as a power amplifier for conventional pre-amplifiers.The SDA 2175 is not your regular class D power amplifier. The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low and linear natural distortion, and an unmatchable performance is achieved by using less feedback compared to typical Class D amplifiers.And the fully balanced signal path all the way through the amplifier to the PWM conversion stage guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market!Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction normally used. This feed-forward technique originates from the design of the Millennium – the Lyngdorf state-of-the-art true digital amplifier.In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this results in low and frequency-independent distortion. Consequently wideband musical instruments can be re-played without any added harmonics – any source will be recreated to sound the way it was recorded.Semi Digital Amplifier“Semi Digital” is in Lyngdorf terms a “digital” switching amplifier driven by an analog input. In principle, the output stage of most switching amplifiers has the same working principle. PWM = Pulse Width Modulation is simply a matter of variable open/close time of the transistors.Fully balanced signal pathThe amplifier is fully balanced from input to output if driven with a balanced source, and if not driven with a balanced source, the signal is immediately transformed to a balanced signal.The fully balanced design gives clear advantages regarding hum and noise suppression – also from other sources. And the balanced design is not only used in the signal path – even the feedback loop internally in the output stage is designed to be fully balanced.The signal path is furthermore DC coupled to the widest extent – except from DC blocking capacitors in the input the construction is DC coupled through the rest of the construction leaving no discussion about capacitor quality.In the analog signal chain only the highest quality components are used as Ultra low distortion Burr-Brown op-amps in the input stage and Polypropylene capacitors in the output reconstruction filter.Finish: black.
Lyngdorf SDA 2175 High-Performance Power Amplifier.200 WPC 8 ohms.MADE IN DENMAR
End: 15.02. 2025 19:13:46 on Saturday
- Condition: Used
- Price: 903.08 EUR

- Status: unsold
- Item number: 276851970125
- Bids: 0
- Seller: misscaro1975-8 (446|98.3%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: EUR
- on EBAY
-
Description
Lyngdorf SDA 2175 High-Performance Power Amplifier.Working, excellent sound.Has some scratches.Comes with power cord.MADE IN DENMARK.SpecificationsPower output: 200 watts per channel into 8? (stereo)Frequency response: 0.3Hz to 33kHzTotal harmonic distortion: 0.01%Signal to noise ratio: 117dBSpeaker load impedance: 4? to 8?Dimensions: 450 x 361 x 100.6mmWeight: 13kgDescriptionThe SDA 2175 is a high-performance power amplifier designed without compromise. It can act as a controllable amplifier in Lyngdorf systems or as a power amplifier for conventional pre-amplifiers.The SDA 2175 is not your regular class D power amplifier. The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low and linear natural distortion, and an unmatchable performance is achieved by using less feedback compared to typical Class D amplifiers.And the fully balanced signal path all the way through the amplifier to the PWM conversion stage guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market!Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction normally used. This feed-forward technique originates from the design of the Millennium – the Lyngdorf state-of-the-art true digital amplifier.In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this results in low and frequency-independent distortion. Consequently wideband musical instruments can be re-played without any added harmonics – any source will be recreated to sound the way it was recorded.Semi Digital Amplifier“Semi Digital” is in Lyngdorf terms a “digital” switching amplifier driven by an analog input. In principle, the output stage of most switching amplifiers has the same working principle. PWM = Pulse Width Modulation is simply a matter of variable open/close time of the transistors.Fully balanced signal pathThe amplifier is fully balanced from input to output if driven with a balanced source, and if not driven with a balanced source, the signal is immediately transformed to a balanced signal.The fully balanced design gives clear advantages regarding hum and noise suppression – also from other sources. And the balanced design is not only used in the signal path – even the feedback loop internally in the output stage is designed to be fully balanced.The signal path is furthermore DC coupled to the widest extent – except from DC blocking capacitors in the input the construction is DC coupled through the rest of the construction leaving no discussion about capacitor quality.In the analog signal chain only the highest quality components are used as Ultra low distortion Burr-Brown op-amps in the input stage and Polypropylene capacitors in the output reconstruction filter.Finish: black.
Lyngdorf SDA 2175 High-Performance Power Amplifier.200 WPC 8 ohms.MADE IN DENMAR
End: 08.02. 2025 04:03:58 on Saturday
- Condition: Used
- Price: 917.4 EUR

- Status: unsold
- Item number: 276838619751
- Bids: 0
- Seller: misscaro1975-8 (443|98.2%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: EUR
- on EBAY
-
Description
Lyngdorf SDA 2175 High-Performance Power Amplifier.Working, excellent sound.Has some scratches.Comes with power cord.MADE IN DENMARK.SpecificationsPower output: 200 watts per channel into 8? (stereo)Frequency response: 0.3Hz to 33kHzTotal harmonic distortion: 0.01%Signal to noise ratio: 117dBSpeaker load impedance: 4? to 8?Dimensions: 450 x 361 x 100.6mmWeight: 13kgDescriptionThe SDA 2175 is a high-performance power amplifier designed without compromise. It can act as a controllable amplifier in Lyngdorf systems or as a power amplifier for conventional pre-amplifiers.The SDA 2175 is not your regular class D power amplifier. The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low and linear natural distortion, and an unmatchable performance is achieved by using less feedback compared to typical Class D amplifiers.And the fully balanced signal path all the way through the amplifier to the PWM conversion stage guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market!Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction normally used. This feed-forward technique originates from the design of the Millennium – the Lyngdorf state-of-the-art true digital amplifier.In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this results in low and frequency-independent distortion. Consequently wideband musical instruments can be re-played without any added harmonics – any source will be recreated to sound the way it was recorded.Semi Digital Amplifier“Semi Digital” is in Lyngdorf terms a “digital” switching amplifier driven by an analog input. In principle, the output stage of most switching amplifiers has the same working principle. PWM = Pulse Width Modulation is simply a matter of variable open/close time of the transistors.Fully balanced signal pathThe amplifier is fully balanced from input to output if driven with a balanced source, and if not driven with a balanced source, the signal is immediately transformed to a balanced signal.The fully balanced design gives clear advantages regarding hum and noise suppression – also from other sources. And the balanced design is not only used in the signal path – even the feedback loop internally in the output stage is designed to be fully balanced.The signal path is furthermore DC coupled to the widest extent – except from DC blocking capacitors in the input the construction is DC coupled through the rest of the construction leaving no discussion about capacitor quality.In the analog signal chain only the highest quality components are used as Ultra low distortion Burr-Brown op-amps in the input stage and Polypropylene capacitors in the output reconstruction filter.Finish: black.
Lyngdorf SDA 2175 High-Performance Power Amplifier.200 WPC 8 ohms.MADE IN DENMAR
End: 01.02. 2025 04:01:23 on Saturday
- Condition: Used
- Price: 960.99 EUR

- Status: unsold
- Item number: 276829562901
- Bids: 0
- Seller: misscaro1975-8 (440|98.2%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: EUR
- on EBAY
-
Description
Lyngdorf SDA 2175 High-Performance Power Amplifier.Working, excellent sound.Has some scratches.Comes with power cord.MADE IN DENMARK.SpecificationsPower output: 200 watts per channel into 8? (stereo)Frequency response: 0.3Hz to 33kHzTotal harmonic distortion: 0.01%Signal to noise ratio: 117dBSpeaker load impedance: 4? to 8?Dimensions: 450 x 361 x 100.6mmWeight: 13kgDescriptionThe SDA 2175 is a high-performance power amplifier designed without compromise. It can act as a controllable amplifier in Lyngdorf systems or as a power amplifier for conventional pre-amplifiers.The SDA 2175 is not your regular class D power amplifier. The output stage uses Pulse Width Modulation with a patented switch speed optimization technology. This ensures a low and linear natural distortion, and an unmatchable performance is achieved by using less feedback compared to typical Class D amplifiers.And the fully balanced signal path all the way through the amplifier to the PWM conversion stage guarantees a remarkable performance with a signal-to-noise ratio superior to any other Class D amplifier in the market!Careful and sensitive design touches can be seen throughout the amplifier: it starts at the mains input with a low-noise Holmgren toroidal transformer with power supply feed-forward compensation, suppressing the variations in the output rather than relying on feedback-based error correction normally used. This feed-forward technique originates from the design of the Millennium – the Lyngdorf state-of-the-art true digital amplifier.In the critical output stage only the highest quality components have been used, e.g. polypropylene capacitors and linear ferrite material in the output filter. Combined with other techniques this results in low and frequency-independent distortion. Consequently wideband musical instruments can be re-played without any added harmonics – any source will be recreated to sound the way it was recorded.Semi Digital Amplifier“Semi Digital” is in Lyngdorf terms a “digital” switching amplifier driven by an analog input. In principle, the output stage of most switching amplifiers has the same working principle. PWM = Pulse Width Modulation is simply a matter of variable open/close time of the transistors.Fully balanced signal pathThe amplifier is fully balanced from input to output if driven with a balanced source, and if not driven with a balanced source, the signal is immediately transformed to a balanced signal.The fully balanced design gives clear advantages regarding hum and noise suppression – also from other sources. And the balanced design is not only used in the signal path – even the feedback loop internally in the output stage is designed to be fully balanced.The signal path is furthermore DC coupled to the widest extent – except from DC blocking capacitors in the input the construction is DC coupled through the rest of the construction leaving no discussion about capacitor quality.In the analog signal chain only the highest quality components are used as Ultra low distortion Burr-Brown op-amps in the input stage and Polypropylene capacitors in the output reconstruction filter.Finish: black.
Lyngdorf SDA-2400 in Great Condition. Original Owner from Authorized Dealer.
End: 09.08. 2024 00:34:35 on Friday
- Condition: Used
- Price: 804.08 EUR

- Status: sold
- Item number: 135169868935
- Bids: 24
- Seller: jlincarmelvalley (318|100.0%)
- Seller information: non commercial
- Item location: Mendocino, California
- Ships to: US
- Shipping: 80,0 EUR
- on EBAY
-
Description
I am the original owner of this outstanding, powerful and versatile Lyngdorf SDA-2400 amplifier. It has very light use and is super clean. It looks and works great. Moving into a new home and no longer have a use for it. Local Pickup welcome. Mainland USA shipping only. Look at my long history of 100% positive feedback on ebay and bid with confidence. Manufacturers website: https://lyngdorf.steinwaylyngdorf.com/lyngdorf-sda-2400/
Lyngdorf / TACT SDA 2175 Semi Digital Amplifier Frontplatte Deckplatte
End: 24.06. 2024 10:27:35 on Monday
Lyngdorf SDA-2400 - Audiophile Class-D Stereo Endstufe
End: 04.05. 2024 17:28:13 on Saturday
Lyngdorf SDA-2400 High-End Stereo-Endstufe
End: 13.01. 2024 15:02:02 on Saturday
Lyngdorf SDA-2400 Brand New, Boxed, Unopened
End: 03.10. 2021 19:29:41 on Sunday
- Condition: New
- Price: 1085.78 EUR

- Status: unsold
- Item number: 294414878608
- Counter: 222
- Bids: 10
- Seller: gesit24 (715|100.0%)
- Seller information: non commercial
- Item location: Ryme Intrinseca
- Ships to: GB
- Shipping: 15,0 EUR
- on EBAY
Lyngdorf SDA-2400 Digital Power Amplifier. Worldwide shipping.
End: 08.09. 2021 18:06:14 on Wednesday
- Condition: Used
- Price: 1854.94 EUR

- Status: unsold
- Item number: 265045418935
- Counter: 557
- Seller: nth-degree-audio (1728|100.0%)
- Seller information: Commercial
- Item location: Glasgow
- Ships to: Worldwide
- Shipping: 14,99 EUR
- on EBAY
Lyngdorf SDA 2400 Digital Stereo Power Amplifier - Stunning!
End: 03.09. 2021 09:00:58 on Friday
- Condition: Used
- Price: 1608.47 EUR

- Status: unsold
- Item number: 255105669586
- Counter: 271
- Seller: m1juk (484|100.0%)
- Seller information: non commercial
- Item location: Twyford, Berkshire.
- Ships to: GB
- Shipping: 25,0 EUR
- on EBAY
End: 01.09. 2021 17:59:10 on Wednesday
- Condition: Used
- Price: 695.0 EUR

- Status: sold
- Item number: 363496903879
- Counter: 424
- Seller: svenlar_23 (17|100.0%)
- Seller information: non commercial
- Item location: Sundsvall
- Ships to: Worldwide
- Shipping: 65,0 EUR
- on EBAY
Tact Lyngdorf SDAI2175 Integrated Semi digital amplifier
End: 08.08. 2021 23:00:41 on Sunday
- Condition: Used
- Price: 535.28 EUR

- Status: sold
- Item number: 174868450318
- Counter: 211
- Bids: 4
- Seller: oscarisapc (518|100.0%)
- Seller information: non commercial
- Item location: Bristol
- Ships to: GB
- Shipping: 8,59 EUR
- on EBAY
Lyngdorf SDA-2400 400w Per Channel Digital Stereo Power Amplifier
End: 23.07. 2021 14:35:16 on Friday
- Condition: Used
- Price: 1635.64 EUR

- Status: sold
- Item number: 384241397964
- Counter: 283
- Seller: iconixav (13|100.0%)
- Seller information: non commercial
- Item location: Canvey Island
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
Lyngdorf SDA 2400 Stereo Amplifier
End: 12.06. 2021 11:30:16 on Saturday
- Condition: Used
- Price: 1712.22 EUR

- Status: unsold
- Item number: 274826317150
- Counter: 66
- Seller: village_guy (254|100.0%)
- Seller information: non commercial
- Item location: Slough
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
Tact Lyngdorf SDA 2175 semi digital hi fi amplifier
End: 09.05. 2021 22:22:11 on Sunday
- Condition: Used
- Price: 633.21 EUR

- Status: unsold
- Item number: 294155733877
- Counter: 84
- Bids: 0
- Seller: facyory (1852|99.6%)
- Seller information: non commercial
- Item location: Roughton
- Ships to: GB
- Shipping: 30,0 EUR
- on EBAY
2x Lyngdorf SDA-2400 400w Per Channel Digital Stereo Power Amplifiers
End: 02.04. 2021 17:07:18 on Friday
- Condition: Used
- Price: 3454.62 EUR

- Status: unsold
- Item number: 384004289834
- Counter: 82
- Seller: iconixav (12|100.0%)
- Seller information: non commercial
- Item location: Canvey Island
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
Lyngdorf SDA2175 Power Amp. Rare Version in TDAI 2200 Case. Used / Excellent.
End: 15.03. 2021 01:33:30 on Monday
- Condition: Used
- Price: 629.92 EUR

- Status: sold
- Item number: 154363104861
- Counter: 318
- Bids: 5
- Seller: 13melita (769|100.0%)
- Seller information: non commercial
- Item location: Alford, Lincolnshire
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
TACT/ lyngdorf SDA2175 power amplifier
End: 08.03. 2021 17:02:40 on Monday
- Condition: Used
- Price: 749.75 EUR

- Status: sold
- Item number: 254890579617
- Counter: 248
- Seller: emporiumhifi (10908|98.8%)
- Seller information: Commercial
- Item location: Bungay
- Ships to: Worldwide
- Shipping: 31,37 EUR
- on EBAY
Lyngdorf SDA-2400 400w Per Channel Digital Stereo Power Amplifier
End: 07.03. 2021 01:05:20 on Sunday
- Condition: Used
- Price: 1921.83 EUR

- Status: unsold
- Item number: 383965875620
- Counter: 77
- Seller: iconixav (12|100.0%)
- Seller information: non commercial
- Item location: Canvey Island
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
Lyngdorf SDA-2400 400w Per Channel Digital Stereo Power Amplifier
End: 19.02. 2021 17:05:48 on Friday
- Condition: Used
- Price: 1914.77 EUR

- Status: unsold
- Item number: 383943267620
- Counter: 70
- Seller: iconixav (12|100.0%)
- Seller information: non commercial
- Item location: Canvey Island
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
2x Lyngdorf SDA-2400 400w Per Channel Digital Stereo Power Amplifiers
End: 19.02. 2021 17:05:34 on Friday
- Condition: Used
- Price: 3713.49 EUR

- Status: unsold
- Item number: 383943266969
- Counter: 35
- Seller: iconixav (12|100.0%)
- Seller information: non commercial
- Item location: Canvey Island
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
Lyngdorf SDA 2175. Hi Fi power amplifier. Silver.
End: 28.01. 2021 23:05:01 on Thursday
- Condition: Used
- Price: 539.46 EUR

- Status: sold
- Item number: 324460157624
- Counter: 221
- Bids: 3
- Seller: 19831961 (297|100.0%)
- Seller information: non commercial
- Item location: West Bromwich
- Ships to: GB
- Shipping: 0,0 EUR
- on EBAY
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