Audio Research - SP-11PS - SP-11 Hi-fi set - Multiple models
Starting bid
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Expert
Selected by Ariel Cabello
Holds dual bachelor's degrees in electronics and physics with 20 years in audio engineering.
Estimate € 3,900 - € 4,300
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Description from the seller
Audio Research SP-11 Tube Preamplifier with SP-11PS Power Supply Reference High End Audio Component
Offered is an Audio Research SP-11 reference tube preamplifier complete with its matching SP-11PS external power supply.
Introduced during the golden era of high-end American audio, the SP-11 is regarded as one of Audio Research's most significant preamplifier designs. Combining exceptional phono-stage performance with advanced line-level circuitry, it became a benchmark component among audiophiles and professional listeners.
The unit employs six 6DJ8/ECC88 vacuum tubes. It features extensive input/output flexibility, selectable phono impedance settings, phase inversion, tape-monitor functions, and a dedicated external power supply for improved performance and noise reduction.
Specifications:
* Brand: Audio Research
* Model: SP-11
* Power supply: SP-11PS
* Type: Tube preamplifier
* Country of origin: United States
* Era: 1980s
* Channels: Stereo (2-channel)
* Tube complement: 6 × 6DJ8 / ECC88
* Color: Silver
Dimensions (each chassis):
* Width: 48 cm
* Height: 13.4 cm
* Depth: 26 cm
Weight:
* SP-11: 6.4 kg
* SP-11PS: 6.8 kg
* Total: 13.2 kg
Condition:
Reported to be in perfect working condition. Please review all photographs carefully to confirm the exact cosmetic condition and completeness.
A highly respected vintage Audio Research reference preamplifier, sought after by collectors and audiophiles for its musical performance and historical importance in high-end audio.
Audio Research SP-11 Tube Preamplifier with SP-11PS Power Supply Reference High End Audio Component
Offered is an Audio Research SP-11 reference tube preamplifier complete with its matching SP-11PS external power supply.
Introduced during the golden era of high-end American audio, the SP-11 is regarded as one of Audio Research's most significant preamplifier designs. Combining exceptional phono-stage performance with advanced line-level circuitry, it became a benchmark component among audiophiles and professional listeners.
The unit employs six 6DJ8/ECC88 vacuum tubes. It features extensive input/output flexibility, selectable phono impedance settings, phase inversion, tape-monitor functions, and a dedicated external power supply for improved performance and noise reduction.
Specifications:
* Brand: Audio Research
* Model: SP-11
* Power supply: SP-11PS
* Type: Tube preamplifier
* Country of origin: United States
* Era: 1980s
* Channels: Stereo (2-channel)
* Tube complement: 6 × 6DJ8 / ECC88
* Color: Silver
Dimensions (each chassis):
* Width: 48 cm
* Height: 13.4 cm
* Depth: 26 cm
Weight:
* SP-11: 6.4 kg
* SP-11PS: 6.8 kg
* Total: 13.2 kg
Condition:
Reported to be in perfect working condition. Please review all photographs carefully to confirm the exact cosmetic condition and completeness.
A highly respected vintage Audio Research reference preamplifier, sought after by collectors and audiophiles for its musical performance and historical importance in high-end audio.
Details
Era
1900-2000
Brand
Audio Research
Model
SP-11PS - SP-11
Multiple models
Yes
Physical condition
Excellent
Number of objects
2
Includes
Power Adapter, Power cord, Power supply
Serial number
16434039
Year of manufacturing
1980
Weight
6.4 kg
Functional condition
Tested and working/playable
Height
13.4 cm
Width
48 cm
Depth
26 cm
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