Ar 4x speakers specs

Ar 4x speakers specs DEFAULT

acoustic research ar 4x

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Product

Site

Price

Listed

GermanyeBay Kleinanzeigen
acoustic research ar 4x @ eBay Kleinanzeigen
Acoustic Research AR-4xGermany eBay Kleinanzeigen €13531% Nov 5, 2020
CanadaCanuck Audio Mart
acoustic research ar 4x @ Canuck Audio Mart
Acoustic Research AR-4xCanada Canuck Audio Mart CA$290 Oct 20, 2021
SwedenHifi Göteborg
acoustic research ar 4x @ Hifi Göteborg
Acoustic Research AR 4xSweden Hifi Göteborg €285 Sep 13, 2021
GermanyeBay Kleinanzeigen
acoustic research ar 4x @ eBay Kleinanzeigen
Acoustic Research AR-4x Vintage LautsprecherGermany eBay Kleinanzeigen €22525% Sep 13, 2021
CanadaCanuck Audio Mart
acoustic research ar 4x @ Canuck Audio Mart
Acoustic Research AR4x Speakers PairCanada Canuck Audio Mart CA$42016% Sep 13, 2021
SloveniaBolha.com
acoustic research ar 4x @ Bolha.com
Acoustic Research AR 4x - pravi vintage, odlično ohranjeniSlovenia Bolha.com - Aug 4, 2021
USBonanza
acoustic research ar 4x @ Bonanza
Acoustic Research AR 4x Speakers, See the Video !US Bonanza $513 Jul 15, 2021
CroatiaNjuškalo
acoustic research ar 4x @ Njuškalo
Acoustic Research AR4X Rare welcome back in 60'Croatia Njuškalo HRK 1,850 Mar 27, 2021
USReverb
acoustic research ar 4x @ Reverb
ACOUSTIC RESEARCH AR4X CONES .RECONE YOUR AR4X TO AS NEW INCLUDES SURROUNDS! PAIR PMR SPEAKER PARTS AR4XUSReverb logo$35 Sep 13, 2021
USReverb
acoustic research ar 4x @ Reverb
ACOUSTIC RESEARCH TWEETER AR4X 4.5" PLATE TWEETER.REZON EX IS STILL TACKY.WORKS GREAT PMR Ar4xUSReverb logo$49 Sep 23, 2021
USBonanza
acoustic research ar 4x @ Bonanza
Classic AR-4X Acoustic Research Bookshelf Stereo Speakers ~ Drivers & Cabs GreatUS Bonanza $299 Jul 13, 2020
Sours: https://www.hifishark.com/search?q=acoustic+research+ar+4x

MODEL

INTRO

DISC

SERIAL NO

WOOFER

LOWER
MID

MID

TYPE

TWEETER

TYPE

FREQ RESP
(Approximate)

SPL
± 3db

XOVER

POWER
(Min-Max)

OHMS
(Min-Nom)

SIZE

WT

PRICE Each, unless noted

DATE

MODEL

Original Models 1954-1974

AR-1/1U 1954 1962 - 12" - - - 8" Cone 31-13k ± 5db - 1000hz 30- w4 ohms 25x14x11.38 45 obs $172-185.00 1959 AR-1/1U 

AR-1W

1954

1971

-

12"

-

-

-

-

-

38-1k ± 1.5db

-

-

25- w

4 ohms

25x14x11.38

43 lbs

$132-154

1961 

AR-1W

AR-1x

1962?

1969

-

12"

-

-

-

2.5"

Cone

31-20k?

-

1200hz?

25- w

4 ohms

25x14x11.38

42.5 lbs

$194

1968 

AR-1x

AR-2

1957

1964

-

10"

-

-

-

2x5"

Cone

42-14k ±5db

-

2000hz

10- w

8 ohms

24x11.5x13.5

32.0 lbs

$89-111.00

1959 

AR-2

AR-3

1958

1971

-

12"

-

2"

Dome

1.375"

Dome

31-20k ±5db

85 db

1000/7500hz

25- w

4 ohms

25x14x11

52.5 lbs

$203-216.00

1961 

AR-3

AR-3T

1959

1969

-

-

-

2"

Cone

1.375"

Dome

1k-20k

-

1000hz

-

4 ohms

7.88x14x6.75

8.0 lbs

$87-96.00

1961 

AR-3T

AR-3ST-1 (AR-1)

1959

1962?

-

-

-

-

-

1.375"

Dome

7.5k-20k

-

7500hz

-

4 ohms ?

6.5x11.5x5.13

8.0 lbs

$32-38.00

1961 

AR-3ST

AR-3ST-2 (AR-2)

1959

1963?

-

-

-

-

-

1.375"

Dome

7.5k-20k

-

7500hz

-

8 ohms

6.5x11.5x5.13

8.0 lbs

$32-38.00

1961 

AR-3ST

AR-2A

1959

1969

-

10"

-

2x5"

Cone

1.375"

Dome

42-20k ± 5db

-

2000/7500hz

20- w

8 ohms

13.5x11.5x24

36 lbs

$109-128.00

1961 

AR-2A

AR-2X "early"

1964

1970

0-20000

10"

-

-

-

3.5"

Cone

42-15k ± 2.5db

-

2000hz

20- w

8 ohms

24x11.5x13.5

33.0 lbs

$89-102.00

1966 

AR-2X "early"

AR-4

1964

1965

-

8"

-

-

-

3.5"

Cone

48-20k ± 2.5db

85 db

1200hz

15- w

8 ohms

19x10x9

16 lbs

$51-57.00

1966 

AR-4

AR-2AX "early"

1964

1970

-125000

10"

-

3.5"

Cone

1.375"

Dome

42-20k ±2.5db

86 db

2000/7500hz

20-100 w

8 ohms

13.5x24x11.5

36.5 lbs

$109-122.00

1966 

AR-2AX "early"

AR-4X

1965

1973

-

8"

-

-

-

2.5"

Cone

48-20k ± 2.5db

-

1200hz

15- w

8 ohms

19x9x10

18.5 lbs

$57-63.00

1970 

AR-4X

AR-3A

1967

1976

-

12"

-

1.5"

Dome

.75"

Dome

32-20k ±2db

86 db

525/5000hz

25-100 w

4 ohms

25x14x11.38

53 lbs

$225-250.00

1967 

AR-3A

AR-5

1968

1976

-

10"

-

1.5"

Dome

.75"

Dome

38-20k

86 db

650/5000hz

20-100 w

8 ohms

13.5x24x11.5

39.0 lbs

$156-175.00

1970 

AR-5

AR-2X "late"

1970

197320001-

10"

-

-

-

2.5"

Cone

-

-

1200hz

-

8 ohms

13.5x24x11.5

33.0 lbs

$89-102.001970 

AR-2X "late"

AR-2AX "late"

1970

1976

125000-

10"

-

3.5"

Cone

.75"

Dome

42-20k ± 2.5db

-

1400/5000hz

20-100 w

8 ohms

13.5x24x11.5

36.5 lbs

$109-128.001970 

AR-2AX "late"

AR-6

1970

1976

-

8"

-

-

-

1.25"

Cone

48-20k ± 2.5db

86 db

1800hz

20-100 w

8 ohms

12x19.5x7

20.0 lbs

$72-81.00

1970 

AR-6

AR-LST

1971

1976

-

12"

-

4x1.5"

Dome

4x.75"

Dome

30-20k ± 2db

89.5 db

525/5000hz

-180 w

4-16 ohms

27x20x9.75

90.0 lbs

$600.00

1972 

AR-LST

AR-4XA

1973

1976

-

8"

-

-

-

1.25"

Cone

48-20k ± 2.5db

86 db

1600hz

-100 w

8 ohms

10x19x9

18.5 lbs

$89.00

1975 

AR-4XA

AR-7

1973

1976

-

8"

-

-

-

1.25"

Cone

65-15k ± 2db

86 db

2000hz

15-100 w

8 ohms

9.75x15.7x6

11.0 lbs

$75.00

1977 

AR-7

AR-8

1973

1974

-

10"

-

-

-

1.25"

Cone

48-20k ± 2.5db

-

1800hz

15- w

8 ohms

13.5x24x11.5

32.0 lbs

$129.00

1975 

AR-8

AR-LST/2

1974

1975

-

10"

-

3x1.5"

Dome

3x.75"

Dome

42-20k ± 2db

-

650/5000hz

-

8-16 ohms

25.5x18.5x9.7

60.0 lbs

$400.00

1975 

AR-LST/2

MODEL  

INTRO

DISC

SERIAL NO

WOOFER

LOWER
MID

MID

TYPE

TWEETER

TYPE

FREQ RESP
(Approximate)

SPL± 3db

XOVER

POWER       
(Min-Max)

OHMS   
(Min-Nom)

SIZE

WT

PRICEEach, unless noted

DATE

MODEL

ADD Series 1975-1978

AR-MST/119751976 -8"- - - 3x1.25"Cone48- 20k ±2db 86 db 2-1.6khz, 1-5khz25-150 w  8 ohms  14.38x21x7.7525.0 lbs$159.00/pr1976AR-MST/1

AR-pi/one

1975

1975

-

12"

1.5"

Dome

.75"

Dome

34-22K +1db -2db

86 db

525/5000hz

25-150 w

8 ohms

14x25x11

55.0 lbs

$329.00

1975 

AR-pi/one

AR-10 pi

1976

1979

-

12"

1.5"

Dome

.75"

Dome

34-22K +1db -2db

86 db

525/5000hz

25-150 w

8-16 ohms

14x25x11

55.0 lbs

$395.00

1976 

AR-10 pi

AR-11

1977

1979

-

12"

1.5"

Dome

.75"

Dome

34-22K +1db -2db

86 db

525/5000hz

25-225 w

4 ohms

14x25x11

50.0 lbs

$325.00

1976 

AR-11

AR-12

1977

1979

-

10"

2.25"

Cone

.75"

Dome

44-30K, ± 3db

86 db

700/4000hz

25-100 w

8 ohms

14x25x11

37.5 lbs

$225.00

1976 

AR-12

AR-14

1976

1979

-

10"

-

-

1"

Dome

44-25K, ± 3db

86 db

1300hz

15-100 w

8 ohms

14x25x11

35.0 lbs

$160.00

1976 

AR-14

AR-15

1977

1979

-

8"

-

-

1"

Dome

40-25K -3db

85 db

1700hz

10-60 w

8 ohms

12x21.5x8

24.0 lbs

$130.00

1979 

AR-15

AR-16

1977

1977

-

8"

- --

1"

Dome

30-15k, ± 2.5db

85 db

1300hz

25-100 w

8 ohms

9x19x8

21.0 lbs

$99-115.00

1976 

AR-16

AR-17

1977

1979

-

8"

-

-

1.25"

Pressure

43-25K -3db

86 db

2000hz

10-60w

8 ohms

10x18.5x9

17.0 lbs

$95.00

1979 

AR-17

AR-18

1977

1982

-

8"

-

-

1.25"

Pressure

62-22K ± 2db

86 db

2000hz

10-60 w

8 ohms

10x16.5x6

13.5 lbs

$70.00

1979 

AR-18

AR9 Series 1979-1981

AR-9

1978

1982

-

2x12"

8" 

1.5"

Cone/Dome

.75"

Dome

28-30K ± 3db

87 db

200/1200/7000hz

15-400 w

3.2-4 ohms

52.75x15x15

130.0 lbs

$900.00

1982 

AR-9

AR-25

1979

1982

-

8"

-

-

1.25"

Cone

48-22K ± 2db

86 db

2000hz

-100 w

8 ohms

11.75x21.5x7

24.0 lbs

$240.00

1981 

AR-25

AR-90

1979

1982

-

2x10"

8" 

1.5"

Cone/Dome

.75"

Dome

32-25K ± 3db

87 db

200/1200/7000hz

15-300 w

3.2-4 ohms

43.38x14.5x1_

75.0 lbs

$700.00

1982 

AR-90

AR-91

1979

1982

-

12"

1.5"

Dome

.75"

Dome

35-25K ± 3db

87 db

700/7500hz

15-200 w

3.2-4 ohms

31.5x14x11.5

53.0 lbs

$425.00

1982 

AR-91

AR-92

1979

1982

-

10"

1.5"

Dome

.75"

Dome

44-25K ± 3db

87 db

700/7500hz

15-200 w

3.2-4 ohms

31.5x14x11.5

46.0 lbs

$325.00

1982 

AR-92

AR-93

1980

1982

-

2x8"

8"

Cone

1.25"

Cone

44-22K ± 3db

87 db

350/2000hz

15-125 w

6 ohms

30.63x14x10.

50.0 lbs

$260.00

1982 

AR-93

AR-94

1980

1982

-

8"

8"

Cone

1.25"

Cone

44-22k ± 3db

87 db

350/2000hz

15-125 w

6 ohms

30.6x14x10

43.0 lbs

$220.00

1982 

AR-94

AR-18s

1981

1983

-

8"

-

-

1.25"

Cone

62-22k ± 3db

88 db

2000hz

15-100 w

8 ohms

16.5x9x6.5

13.0 lbs

$90-120.00

1982 

AR-18s

AR-28s 1981 1983 -8" ---1" Dome 50-24k ± 3db 87 db 2000hz 15-100 w 6 ohms 22x12x8 24.0 lbs $130.00 1983  AR-28s 

AR-38s

1981

1983

-

10"

-

-

1.25"

Cone

45-22k ± 3db

88 db

2000hz

15-100 w

8 ohms

24x13.5x11

31.5 lbs

$160.00

1983 

AR-38s

AR-48s

1981

1983

-

10"

4"

Cone

1"

Dome

45-24k ± 3db

87 db

400/2500hz

15-100 w

6 ohms

25x14x11

38.0 lbs

$210.00

1983 

AR-48s

AR-58s

1981

1983

-

12"

1.5"

Dome

.75"

Dome

37-25k ± 3db

87 db

700/7500hz

15-200 w

4 ohms

27x14x11

52.0 lbs

$325.00 

1983 

AR-58s

Post-Classic Series 1981-1987

1MS

1982

1985

-

5.25"

-

-

.75"

Dome

95-25k ± 2db

85 db

2800hz

10-75 w

3.75 ohms

8x5x5

4.5 lbs

$275.00/pr

1988 

1MS

AR-93s

1982

1983

-

2x8"

8"

Cone

1.25"

Cone

44-22k ± 2db

87 db

350/2000hz

15-125 w

4.5-6 ohms

31x14x11

50.0 lbs

$270.00

1983 

AR-93s

MODEL

INTRO

DISC

SERIAL NO

WOOFER

LOWER
MID

MID

TYPE

TWEETER

TYPE

FREQ RESP
(Approximate)

SPL± 3db

XOVER

POWER       
(Min-Max)

OHMS   
(Min-Nom)

SIZE

WT

PRICEEach, unless noted

DATE

MODEL

AR-94s

1982

1983

-

8"

-

8"

Cone

1.25"

Cone

44-22k ± 2db

87 db

350/2000hz

15-125 w

5-6 ohms

31x14x11

43.0 lbs

$230.00

1983 

AR-94s

AR-98LS

1982

1985

-

12"

-

8"/1.5"

Cone/Dome

.75"

Dome

39-32k, ± 3db

87 db

200/1100/5500hz

15-250 w

3-4 ohms

29.5x15.5x10

63.0 lbs

$1000.00/pr

1984 

AR-98LS

AR-9LS

1982

1985

-

10"/12"

-

8"/1.5"

Cone/Dome

.75"

Dome

28-32k, ± 3db

87 db

200/2300/5500hz

25-400 w

3.2-4 ohms

52x16.5x14.5

118.0 lbs

$1700.00/pr

1984 

AR-9LS

AR-18B

1983

1985

-

8"

-

-

-

1.25"

Dome

62-22k, ± 3db

88 db

2000hz

10-100 w

8 ohms

17x11x6

17.0 lbs

$252.00

 

AR-18B

AR-28B

1983

1985

-

8"

-

-

-

1.25"

Dome

52-22k, ± 3db

88 db

5000hz

10-100 w

8 ohms

20x11x7

21.0 lbs

$330.00

 

AR-28B

AR-58B

1983

1985

-

12"

-

4"

Cone

.75"

Dome

39-32k, ± 3db

87 db

600/4500hz

20-175 w

3.6-4 ohms

27x15x11

49.0 lbs

$660.00/pr

1984 

AR-58B

AR-78LS

1983

1985

-

12"

-

1.5"

-

.75"

Dome

39-32k, ± 3db

87 db

400/5000hz

25-200 w

3.6-4 ohms

27x15x12

60.0 lbs

$860.00/pr

1984 

AR-78LS

AR-8B

1983

1985

-

6"

-

-

-

1.25"

Cone

74-22k, ± 3db

88 db

5000hz

10-75 w

8 ohms

15x10x6

12.0 lbs

$192.00

 

AR-8B

AR-38B

1984

1985

-

10"

-

-

-

1"

Dome

42-22k, ± 3db

88 db

650/3500hz

10-100 w

4.5-6 ohms

23x14x11

29.0 lbs

$400.00/pr

1984 

AR-38B

AR-48B

1984

1985

-

10"

-

4"

Cone

.75"

Dome

45-32k, ± 3db

87 db

400/3500hz

10-150 w

4.5-6 ohms

26x14x11

39.5 lbs

$520.00/pr

1984 

AR-48B

AR Series 1985-1987

Connoisseur 3019841984-10"---1"Dome46-22k, ± 3db88 db1800hz10-100 w8 ohms29x13.5x934.5 lbs$460/pr 1985 Connoisseur 30

AR-8BX

1985

1986

-

6"

-

-

-

1"

Dome

62-25k ± 3db

87 db

4000hz

10-75 w

8 ohms

15x10x8

16.0 lbs

$200.00/pr

1986  

AR-8BX

AR-18BX

1985

1986

-

8"

-

-

-

1"

Dome

52-25k ± 3db

87 db

3000hz

10-75 w

8 ohms

17x11x8

17.5 lbs

$260.00/pr

1986  

AR-18BX

AR-28BX

1985

1986

-

8"

-

-

-

1"

Dome

42-22k ± 3db

89 db

1800hz

10-100 w

8 ohms

27x13x10

35.0 lbs

$400.00/pr

1986 

AR-28BX

AR-38BX

1985

1986

-

8"

-

4"

Cone

.75"

Dome

52-32k ± 3db

88 db

650/3500hz

10-100 w

6 ohms

22x13x7

27.5 lbs

$440.00/pr

1986 

AR-38BX

AR-48BX

1985

1986

-

10"

-

4"

Cone

.75"

Dome

45-32k ± 3db

88 db

400/3500hz

15-150 w

6 ohms

27x13x10

38.5 lbs

$570.00/pr

1986 

AR-48BX

AR-58BX

1985

1986

-

12"

-

4"

Cone

.75"

Dome

39-32k ± 3db

90 db

600/4500hz

15 w-

4/3.5 ohms

30x14x10

48.5 lbs

$720.00

1985 

AR-58BX

AR-98LSi

1985

1987

-

12"

-

8"/1.5"

Cone/Dome

.75"

Dome

39-32k ± 3db

87 db

200/1100/7500hz

15-250 w

4 ohms

30x16x10

63.0 lbs

$625.00

1986 

AR-98LSi

AR-9LSi

1985

1987

-

12"/10"

-

8"/1.5"

Cone/Dome

.75"

Dome

28-32k -3db

87 db

200/1100/7500hz

15-400 w

4 ohms

51x16.5x14.5

120.0 lbs

$1000.00

1986 

AR-9LSi

AR-18BXi

1986

1987

-

8"

-

-

-

1"

Dome

52-22k

87 db

3200hz

10 w-

8 ohms

17x10x8

18.0 lbs

$140.00

1986 

AR-18BXi

1MS

1987

1990

-

5.25"

-

-

.75"

Dome

95-25k ± 2db

85 db

2800hz

10-75 w

3.75 ohms

8x5x5

4.5 lbs

$275.00/pr

1988 

1MS

MODEL

INTRO

DISC

SERIAL NO

WOOFER

LOWER
MID

MID

TYPE

TWEETER

TYPE

FREQ RESP
(Approximate)

SPL± 3db

XOVER

POWER       
(Min-Max)

OHMS   
(Min-Nom)

SIZE

WT

PRICEEach, unless noted

DATE

MODEL

AR-25BXi

1986

1987

-

8"

-

-

-

1"

Dome

49-22k

87 db

3000hz

15 w-

8 ohms

20x10x8

22.0 lbs

$180.00

1986 

AR-25BXi

AR-28BXi

1986

1987

-

10"

-

-

-

1"

Dome

42-22k

89 db

1800hz

15 w-

8 ohms

27x13x10

35.0 lbs

$210.00

1986 

AR-28BXi

AR-38BXi

1986

1987

-

8"

-

4"

Cone

.75"

Dome

52-32k

86 db

1100/5100hz

10 w-

6 ohms

22x13x7

28.0 lbs

$235.00

1986  

AR-38BXi

AR-48BXi

1986

1987

-

10"

-

4"

Cone

.75"

Dome

45-32k

88 db

1000/5500hz

10 w-

8 ohms

27x13x9

38.0 lbs

$300.00

 

AR-48BXi

AR-58BXi

1986

1987

-

12"

-

4"

Cone

.75"

Dome

39-32k

85 db

800/5200hz

10 w-

4 ohms

30x13x10

48.0 lbs

$380.00

1986 

AR-58BXi

AR-8BXi

1986

1987

-

6.5"

-

-

-

1"

Cone/Dome

64-25k

88 db

4500hz

10 w-

8 ohms

15x9x7

15.0 lbs

$100.00

1986 

AR-8BXi

Connoisseur Series 1985-1988

Connoisseur 19

1986

1987?

-

6.5"

-

-

-

1"

Dome

65-22k, ± 3db

88 db

5000hz

10-75 w

8 ohms

16x10x7

15.0 lbs

$150.00

1986 

Connoisseur 19

Connoisseur 20

1986

1987?

-

8"

-

-

-

1"

Dome

57-22K, ± 3db

88 db

4000hz

10-100 w

6 ohms

18x11x8

19.0 lbs

$200.00

1986 

Connoisseur 20

Connoisseur 40

Sours: http://www.aphenos.net/electronics/speakers/klh/all_ar.htm
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Acoustic Research AR-4X

Manual Library / Acoustic Research

Two Way Loudspeaker System (1971)

add a review(1 review)

Acoustic Research AR-4X

Specifications

Type: 2 way, 2 driver loudspeaker system

Recommended Amplifier: 15W (minimum)

Impedance: 8Ω

Bass: 1 x 8" cone

Tweeter: 1 x 2.5" wide dispersion cone

Finish: oiled walnut, birch, pine

Dimensions: 10 x 19 x 9 inches

Weight: 8.4kg

Price: USD $63

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Reviews

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rating
Reviewed May 31st, 2015 by maxbertola

My first serious speaker in the mid 70s. Bought second hand, used with a Pioneer SA 7300, which drove them well for my domestic use.
Having also had AR2ax, AR16 and AR6, I must say that the unassuming, pleasant and coherent voice of the 4x was, in retrospect, my preferred one.
I now have another pair, very old, but it still sounds as good as I remember. Modern designs offer much more, of course, but a pair of these in good health can really make music.
I tried them with a Naim Nait 3 and the match was very very enjoyable. No very deep bass, but balance and good timbres. Nice speakers.

 

Comments

Sours: https://www.hifiengine.com/manual_library/acoustic-research/ar-4x.shtml
AR 4X Speakers

ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS

ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS

ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS
ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS. Very Rare Acoustic Suspension loudspeakers with a. Up for sale is a pair of classic AR-4x Acoustic Suspension Loudspeaker systems. They are in good condition but the tweeters do not play. These very rare classic vintage stereo speakers are some of the most popular audiophile loudspeakers from the late 60’s. These speakers are considered by many audiophiles as some of the best 8″ 2-ways ever made and were “reference speakers of their era. The AR-4x were Consumer Reports, Consumer Guide and virtually every audio magazines reference speaker. The AR-4X still figures on a lot of people’s short lists for the best small speakers ever. AR made some of the better drivers of all time. These are a great match for vintage audio equipment to recreate “that vintage sound”. A great match for vintage and/or tube audio equipment. These were designed by Henry Kloss, Ed Villichur, Roy Allison and other famous loudspeaker pioneers that started Advent, Allison and KLH (the old school KLH, not the modern Chinese one). These great sounding AR Acoustic Research AR-4x speakers are in excellent operating condition for their vintage. Speakers produce good sound with all woofers and tweeters operating properly. I have not removed the grilles because they are not intended to be removed and I do not want to damage them. These have quality constructed oiled walnut cabinets that. They look almost as good as they sound! The quality constructed oiled walnut cabinets have been stained dark brown. They have a few nicks & scratches but still have their classic good looks (see pics). The dark linen grill cloths are in particularly nice condition with no holes or tears. Both original AR-4x logo badges are intact. The badges can be adjusted for horizontal or vertical placement. Perhaps the most surprising find is the original paperwork with serial numbers still attached to back of each! Best of all is the warm, powerful sound. The tweeters just sing, and woofers are tight and authoritative. Both speakers sound every bit as good as their reputation. Crisp Clean Sound Quality. Increase / decrease tweeter level control. Original paperwork with serial numbers still attached to back. Woofers: One 8 acoustic suspension woofer per cabinet. Tweeters: One 2 1/2 wide-dispersion cone tweeter per cabinet. Controls: High – frequency adjustment. Recommended amplifier power: Minimum of 15 watts rms. Dimensions: 10″ x 19″ x 9 deep. Weight: 18.5 lbs unpacked. 22 lbs well packed. General Info and reviews. The AR name goes back several decades. Famed loudspeaker system designer Henry Kloss, the primary inventor of the acoustic suspension principle founded Acoustic Research (AR), Advent and KLH. Speakers that utilize his acoustic suspension principle are noted for clean, flat response, deep into the bass frequencies. These speakers were designed by Henry Kloss, Ed Villichur, Roy Allison and other famous loudspeaker pioneers that started Advent, Allison & KLH. The AR-4x was the 2nd generation of the AR-4 that was originally released in 1967 with a production run until 1975. AR made improvements to the original crossover design of the AR-4, thereby further enhancing the systems amazing sonic attributes. The system was highly popular among professionals in the audio industry as well as audiophiles who needed quality sound reproduction in confined spaces. Even in today’s age of muli-thousand dollar bookshelf speakers, the AR-4x is truly outstanding. Read independent user reviews at Epinions here. The Acoustic Research AR-4x Loudspeaker: Dark and Satisfying, Like Hot Chocolate. Jan 01’07 (Updated Jan 06’07). Smooth sound; pretty good bass; small and attractive. Problems with tweeter controls; rolled off at frequency extremes. The AR-4xs are satisfying little speakers to listen to. But getting a fully functioning pair isn’t easy. The Acoustic Research AR-4x loudspeaker has been around since probably the mid-1960s. There were several different versions of the AR-4 over the years, and I think the AR-4x was among the earlier versions. In any case, it’s a small two-way loudspeaker with an 8 woofer and small cone tweeter. It’s slightly smaller than the famous Dynaco A-25, maybe 19″ tall, 10 1/2″ wide and 9 1/2 deep. The AR-4x is an attractive little loudspeaker in a typical late’60s early’70s way. It has very nice real walnut veneer, and the light, high quality screens make for a classy look. The AR badges that screw in to the screen frames add to the overall appearance. The speaker wire connectors on the back are good quality thumb screws. Attaching speaker wire is fairly easy. The thumb screws do not accept banana plugs, like the connectors of Dynaco A-25s do, but they’re not as frustrating as the tiny screws of Dynaco A-10s. The tweeter level of AR-4xs is controlled by a single continuous knob on the back of each speaker. This is an Achilles’ Heel of AR-4xs: the potentiometers (affectionately known as “pots”) tend to corrode over time, eventually silencing the tweeters, although the tweeters are actually in working order. In some cases, there are “sweet spots” on the pots, allowing the tweeters to function, but often one or both tweeters will be completely silent. If you can find a fully functioning pair, the sound is quite nice. I would describe it as “dark” compared to Dynaco A-25s or Small or Large Advents, but it is still satisfying. On classical music, the sound of the AR-4xs was particularly good. The rolled off high end, coupled with decent bass extension and nice micro-dynamics, yielded a smooth and satisfying sound. Strings were NOT steely, as they were with the KLH Model Seventeen. I could listen for long periods of time without fatigue. Interestingly, though, FM radio announcers DID sound a bit “chesty” as they had in my system with the original Large Advents. This suggests a “hump” in the upper bass/lower midrange. On Keith Jarrett’s Standards, Volume 1, the sound was mellow and pleasing. The leading edge of piano transients was muted somewhat, relative to more “high definition” speakers, and cymbals didn’t have as much shimmer as they do in real life, but the overall presentation was enjoyable to listen to. Keith Jarrett’s moaning (he moans along as he plays) was separated from the piano, bass and drums nicely. And the bass had good “throng” to it. The speakers did not sound wimpy, in spite of their small size. On Govi’s Seventh Heaven, a recording of “new age” guitar music with a Latin flavor, the AR-4xs sounded a bit TOO mellow. The sound of fingers on strings was lost, and there was a lack of air around the guitar. But the bass was at times actually a bit punchier than it had been on my Dynaco A-25s, though I doubt it extends as deep (smaller woofer and cabinet). On Gordon Lightfoot’s Summer Side of Life, Lightfoot’s voice sounded good, full and manly, and the guitars sounded realistic. However, the sense of air around the guitars was again lacking somewhat. Still, I didn’t find myself wanting to switch to speakers with higher resolution. I just enjoyed the music. Imaging was pretty good with the AR-4xs. Because of the mellow balance, the instruments were presented behind the plane of the speakers, and they were located fairly well in space. But I have to admit that after awhile, I noticed the AR-4xs sounding a bit “closed in, ” relative to the other speakers I’d been listening to (Cambridge Soundworks Towers; Dynaco A-25s; New Large Advents). When I switched back to Dynaco A-25s, my “retro references, ” the soundstage became bigger and there was more air around individual instruments. Still, my overall impression of the AR-4x was quite positive. I enjoyed the good micro-dynamics and laid back and warm presentation. The speakers played MUSIC and didn’t call attention to themselves. I should mention that AR-4xs came with two different version of their 8 woofers. The more dependable version has treated cloth surrounds, like many KLH speakers. These apparently don’t deteriorate over time. But some have foam surrounds, like Advent (and some AR) speakers. These will require refoaming every 15 years or so. Unfortunately, this isn’t always an easy proposition, as AR used a very strong glue to attach the screen frames to the front baffles of the speakers. If the woofer surrounds are nice and soft, you probably don’t need a woofer refoam. If they’re hard, or break apart when you touch them, pass that pair on to a devoted hobbyist. The tweeter control problems also deserve further mention. Rotate the tweeter level knobs on the back with your ear right next to the tweeter. Does the tweeter cut in and out? This is typical of AR-4xs in working condition. You can choose to live with it, finding the sweet spots where the tweeter works. Or you have have a hobbyist fix or by-pass the tweeter controls. If the tweeter is SILENT, rotate the knob back and forth several times. Sometimes you will be able to establish a connection. Often you will not. But because of the problems described above, one can NOT count on such a pair to be functioning 100%. I think the incredible popularity of Dynaco A-25s comes from the fact that they are extremely dependable and don’t suffer from woofer surround or tweeter pot problems. In terms of sound, I’d say the Dynaco A-25s are a bit more accurate than AR-4xs, but a fully functioning pair of AR-4xs is just as satisfying to listen to. A pair of AR-4xs in perfect cosmetic and working condition is a real find and a good bargain. To conclude, AR-4xs are attractive and good sounding vintage speakers, but their fussy nature means they may be best suited for the hobbyist who is ready and willing to deal with possible woofer surround and tweeter pot issues. Still, if you find a pair in good cosmetic and working condition, snap’em up. Listening to AR-4xs is like sipping a good cup of hot chocolate on a cold day! Acoustic Research AR-4x Speakers(Pair). AR 4x AR4X Speakers Pair OEM Box Acoustic Research. Acoustic Research Speakers AR-4X vintage NICE SHAPE! ACOUSTIC RESEARCH AR-4x AR 4x SPEAKERS ORIGINAL BOXES! PAIR PRISTINE VINTAGE AR ACOUSTIC RESEARCH 4X SPEAKER. Most items we sell are previously owned. Unless described otherwise they generally exhibit at least the minimal amount of wear one would expect to see on a typical used item for the particular item’s age. Any significant blemishes or defects will be called out and shown clearly in the photos. We disclose any defects or cosmetic issues to best of our abilities, however it is impossible to note every minor nick and scratch on a used item. We truly wish to avoid disappointments. All items are tested & functioning as described. We do not mark merchandise values below value or mark items as gifts. THIRTY YEARS IN ELECTRONICS. You will receive your item quickly, well packaged and as advertised. I do not always offer the lowest prices, but they are always very good. Most of my equipment comes from Colorado where we enjoy a semi-arid (DRY) climate. This is important as humidity is one of the main deteriorating factors in audio equipment, especially speakers. Humidity attacks and accelerates deterioration of electronic circuitry and the flexible surrounds in speakers. Lots of Detailed Photos – What you see in the pictures is exactly what you get! My ads show ACTUAL PHOTOS of the exact item for sale. With few exceptions, I do not use stock or file photos, copies, etc. As shown in many other ads. Testing – Audio/video equipment is tested for all basic functions and many secondary functions but we cannot always test every feature and setting. Amps, receivers & speakers are connected & tested for FM tuning & playback from a CD, tape, DVD, phono, etc. CD, DVD & tape players/recorders are cleaned internally & externally (heads and lenses are cleaned and demagnetized) and tested for playback, record, FF & REW. Any defects found are noted in the ad. 2-year warranties are available on Used and Refurbished Items. Thanks for packing the amp so well! Fed-Ex could have dropped this out of the plane and it wouldnt have been damaged. I picked up the speaker yesterday as expected. It arrived in perfect condition. Your packaging was better than OEM! This guy’s no joke, he knows what he’s doing! Great packaging and communication. Perhaps the best on E-Bay. Other sellers take notice. Customer service second to none! The best packing job I’ve ever seen. Tarasell LLC 3280 W 63rd Ave Denver, CO 80020. Get Images that Make Supersized Seem Small. Auctiva’s Listing Templates improve your auctions in minutes. The item “ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS” is in sale since Tuesday, September 06, 2016. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “tara-sell” and is located in Denver, Colorado. This item can be shipped worldwide.
  • Brand: Acoustic Research
  • Model: AR-6
  • Country/Region of Manufacture: United States

ACOUSTIC RESEARCH AR-4x ORIGINAL AR4x CLASSIC KLOSS VILCHUR LOUD SPEAKERS

Posted onSeptember 8, 2016byadmin. This entry was posted in acoustic and tagged acoustic, ar-4x, ar4x, classic, kloss, loud, original, research, speakers, vilchur. Bookmark the permalink.

Sours: http://acousticresearchspeakers.net/2016/09/acoustic-research-ar-4x-original-ar4x-classic-kloss-vilchur-loud-speakers/

4x speakers specs ar

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Acoustic Research AR-4x Speakers

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