Audio Research SP4
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Product
Site
Price
Listed
US Audio Mart
Audio Research SP-4 for repair or parts
US Audio Mart
$350
Nov 1, 2025
- Nov 1, 2025
US Audio Mart
$350
Nov 1, 2025 - Nov 1, 2025
Subito
audio research sp 4
Subito
€400
Sep 7, 2025
- Sep 8, 2025
Subito
€400
Sep 7, 2025 - Sep 8, 2025
hifimusic.co.il
Audio Research SP4
hifimusic.co.il
-
Sep 1, 2025
- Oct 31, 2025
hifimusic.co.il
-
Sep 1, 2025 - Oct 31, 2025
Reverb
audio research sp-4a preamp sp-4a preamp 1979 - silver
$500
23%
Jun 6, 2025
- Jun 19, 2025
$500
23%
Jun 6, 2025 - Jun 19, 2025
Audiogon
Audio Research sp-4a preamp
Audiogon
$500
47%
Apr 5, 2025
- Jun 19, 2025
Audiogon
$500
47%
Apr 5, 2025 - Jun 19, 2025
Subito
Preamplificatore Audio Research SP-4
Subito
€780
Mar 30, 2025
- Apr 8, 2025
Subito
€780
Mar 30, 2025 - Apr 8, 2025
Canuck Audio Mart
Very Rare Audio Research SP 4a preamp just fully gone over
Canuck Audio Mart
CA$899
Dec 22, 2024
- Mar 21, 2025
Canuck Audio Mart
CA$899
Dec 22, 2024 - Mar 21, 2025
Reverb
Audio Research SP-4 Preamp
$700
Dec 16, 2024
- Feb 13, 2025
$700
Dec 16, 2024 - Feb 13, 2025
US Audio Mart
Audio Research SP-4A preamp with phono -REDUCED
US Audio Mart
$535
23%
Nov 7, 2024
- Mar 28, 2025
US Audio Mart
$535
23%
Nov 7, 2024 - Mar 28, 2025
OLX Poland
Przedwzmacniacz Audio Research SP- 4
OLX Poland
PLN 1,900
Oct 9, 2024
- Oct 22, 2024
OLX Poland
PLN 1,900
Oct 9, 2024 - Oct 22, 2024
Reverb
Vintage / Audio Research SP-4 // Stereo Preamplifier
$1,399
Oct 2, 2024
- Nov 21, 2024
$1,399
Oct 2, 2024 - Nov 21, 2024
Canuck Audio Mart
Audio Research D120 + A R preamp SP 4
Canuck Audio Mart
CA$2,200
Sep 24, 2024
- Oct 22, 2024
Canuck Audio Mart
CA$2,200
Sep 24, 2024 - Oct 22, 2024
Reverb
Audio Research SP-4 Pre Amplifier 1990
$1,040
3%
Sep 16, 2024
- Dec 7, 2024
$1,040
3%
Sep 16, 2024 - Dec 7, 2024
Aural HiFi
Vintage / Audio Research SP-4 // Stereo Preamplifier
Aural HiFi
$1,399
Sep 16, 2024
- Nov 21, 2024
Aural HiFi
$1,399
Sep 16, 2024 - Nov 21, 2024
US Audio Mart
Audio Research Corporation SP-4A HEAVILY UPGRADED with original box and manual
US Audio Mart
$600
Jul 10, 2024
- Oct 9, 2024
US Audio Mart
$600
Jul 10, 2024 - Oct 9, 2024
Kijiji CA
Audio Research SP-4A
Kijiji CA
CA$575
32%
Mar 25, 2024
- Apr 11, 2024
Kijiji CA
CA$575
32%
Mar 25, 2024 - Apr 11, 2024
US Audio Mart
Audio Research SP-10, SP-11, SP-14, SP-15, SP-4 gold plated metal preamp knobs, rare, new old stock
US Audio Mart
$125
Feb 11, 2024
- Feb 12, 2024
US Audio Mart
$125
Feb 11, 2024 - Feb 12, 2024
US Audio Mart
Set of Audio Research D100a power amplifier & SP4 Control Preamplifier
US Audio Mart
$1,195
Dec 8, 2023
- Dec 27, 2023
US Audio Mart
$1,195
Dec 8, 2023 - Dec 27, 2023
Canuck Audio Mart
Audio Research sp-4
Canuck Audio Mart
CA$1,000
Dec 6, 2023
- Jan 7, 2024
Canuck Audio Mart
CA$1,000
Dec 6, 2023 - Jan 7, 2024
Yahoo Auctions
audio research audio li search SP-4 pre-amplifier amplifier / control amplifier * 6C5DD-7
Yahoo Auctions
Auction bid
¥23,749 Nov 20, 2023
- Nov 25, 2023
Yahoo Auctions
Auction bid¥23,749 Nov 20, 2023
- Nov 25, 2023
Audiogon
Audio Research SP-4 High Definition Solid State Preamplifier
Audiogon
$1,200
Sep 14, 2023
- Sep 18, 2023
Audiogon
$1,200
Sep 14, 2023 - Sep 18, 2023
hifimusic.co.il
Audio research SP4
hifimusic.co.il
-
Aug 12, 2023
- Aug 26, 2023
hifimusic.co.il
-
Aug 12, 2023 - Aug 26, 2023
OLX Poland
Przedwzmacniacz Audio Research SP-4
OLX Poland
PLN 2,400
8%
Jul 22, 2023
- Jul 28, 2023
OLX Poland
PLN 2,400
8%
Jul 22, 2023 - Jul 28, 2023
OLX Poland
Przedwzmacniacz Audio Research SP4 i końcówka D120
OLX Poland
PLN 4,800
59%
Apr 8, 2023
- Jul 22, 2023
OLX Poland
PLN 4,800
59%
Apr 8, 2023 - Jul 22, 2023
Kleinanzeigen
Audio Research SP4, Highend Vorverstärker
Kleinanzeigen
€650
Jan 19, 2023
- Jan 23, 2023
Kleinanzeigen
€650
Jan 19, 2023 - Jan 23, 2023
Canuck Audio Mart
Audio Research SP4 with MC module
Canuck Audio Mart
CA$750
Oct 5, 2022
- Oct 12, 2022
Canuck Audio Mart
CA$750
Oct 5, 2022 - Oct 12, 2022
OLX Poland
Audio Research D120 końcówka mocy SP4 przedwzmacniacz Mcintosh Krell
OLX Poland
PLN 7,000
Sep 29, 2022
- Nov 6, 2022
OLX Poland
PLN 7,000
Sep 29, 2022 - Nov 6, 2022
Gumtree AU
Audio Research SP4a Stereo preamp 1978
Gumtree AU
A$750
Sep 28, 2022
- Oct 2, 2022
Gumtree AU
A$750
Sep 28, 2022 - Oct 2, 2022
US Audio Mart
Audio Research SP-4 Preamplifier in pristine condition. Just serviced!
US Audio Mart
$890
Sep 12, 2022
- Oct 23, 2022
US Audio Mart
$890
Sep 12, 2022 - Oct 23, 2022
Gumtree AU
Audio Research SP4a stereo preamplifier 1978
Gumtree AU
A$750
Aug 6, 2022
- Sep 27, 2022
Gumtree AU
A$750
Aug 6, 2022 - Sep 27, 2022
Canuck Audio Mart
Audio Research D-120 et SP-4
Canuck Audio Mart
CA$1,800
Jul 28, 2022
- Jul 30, 2022
Canuck Audio Mart
CA$1,800
Jul 28, 2022 - Jul 30, 2022
Kijiji CA
Ampli et preamp audio Research SP-4 et D-120
Kijiji CA
CA$1,800
Jul 26, 2022
- Jul 30, 2022
Kijiji CA
CA$1,800
Jul 26, 2022 - Jul 30, 2022
AUKRO
AUDIO RESEARCH D120/SP4 AUDIOPHILE POWER AMPLIFIER & PREAMPLIFIER
AUKRO
CZK 49,999
Jul 26, 2022
- Jul 26, 2022
AUKRO
CZK 49,999
Jul 26, 2022 - Jul 26, 2022
US Audio Mart
Audio Research SP-4 preamp with moving coil
US Audio Mart
$850
Jul 18, 2022
- Sep 15, 2022
US Audio Mart
$850
Jul 18, 2022 - Sep 15, 2022
US Audio Mart
audio research sp4 preamplifier
US Audio Mart
$750
6%
Jun 24, 2022
- Oct 13, 2022
US Audio Mart
$750
6%
Jun 24, 2022 - Oct 13, 2022
Canuck Audio Mart
Audio Research SP4 Sale Pending
Canuck Audio Mart
CA$1
100%
Jun 17, 2022
- Jun 29, 2022
Canuck Audio Mart
CA$1
100%
Jun 17, 2022 - Jun 29, 2022
Kijiji CA
Audio Research SP4 Preamplifier
Kijiji CA
CA$700
Jun 14, 2022
- Jun 18, 2022
Kijiji CA
CA$700
Jun 14, 2022 - Jun 18, 2022
Canuck Audio Mart
Audio Research SP4
Canuck Audio Mart
CA$800
Jun 8, 2022
- Jun 14, 2022
Canuck Audio Mart
CA$800
Jun 8, 2022 - Jun 14, 2022
Kijiji CA
Audio research SP 4 Preamp
Kijiji CA
CA$700
Jun 3, 2022
- Jun 3, 2022
Kijiji CA
CA$700
Jun 3, 2022 - Jun 3, 2022
Kijiji CA
Audio Research SP4 Preamp
Kijiji CA
CA$800
Jun 2, 2022
- Jun 2, 2022
Kijiji CA
CA$800
Jun 2, 2022 - Jun 2, 2022
Subito
Audio Research D52 SP4
Subito
€1,800
Apr 17, 2022
- May 27, 2022
Subito
€1,800
Apr 17, 2022 - May 27, 2022
Allegro Lokalnie
Audio Research SP 4, fenomenalny przedwzmacniacz
Allegro Lokalnie
PLN 2,400
25%
Mar 11, 2022
- Nov 10, 2022
Allegro Lokalnie
PLN 2,400
25%
Mar 11, 2022 - Nov 10, 2022
Hifi Stället
Audio Research SP-4
Hifi Stället
SEK 5,900
Mar 10, 2022
- Jul 1, 2022
Hifi Stället
SEK 5,900
Mar 10, 2022 - Jul 1, 2022
Canuck Audio Mart
Audio Research SP-4 pre-amp, with MC phono stage, needs work - PENDING
Canuck Audio Mart
CA$500
Feb 22, 2022
- Feb 23, 2022
Canuck Audio Mart
CA$500
Feb 22, 2022 - Feb 23, 2022
Kijiji CA
Audio Research SP-4 High Definition Solid State Preamplifier. Se
Kijiji CA
CA$1,000
Feb 15, 2022
- Feb 18, 2022
Kijiji CA
CA$1,000
Feb 15, 2022 - Feb 18, 2022
Reverb
Audio Research SP-4 High Definition Solid State Preamplifier. Serviced!
$892
1%
Feb 11, 2022
- Feb 15, 2022
$892
1%
Feb 11, 2022 - Feb 15, 2022
Subito
Audio research -sp4+ d110
Subito
-
Jan 30, 2022
- Feb 6, 2022
Subito
-
Jan 30, 2022 - Feb 6, 2022
Subito
Audio Research D52 SP4
Subito
€1,800
5%
Jan 24, 2022
- Apr 5, 2022
Subito
€1,800
5%
Jan 24, 2022 - Apr 5, 2022
Resources
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