JAS Journal 2011 Vol.51 No.5 9

3 (1) (442) (443)

CU

“Consumer want to know”()

” “ 100

Best Buy

1957 1968 3 57-1

2

57-1 Consumer Report,

1968 3

57 (55)

12 15

150 570

57-1AB

57-2a d

3

36

JAS Journal 2011 Vol.51 No.5 9

1

1

(US$) REVOX G36 MarkII 3 3 549.00 TANDBERG 64X 3 1 549.00 TEAC A-1200 3 3 299.50 SONY TC-350 3 1 179.50 AMPEX 2150 2 1 399.95 ROBERTS 1740X 2 1 299.95 VIKING 423 2 3 249.29 WOLLENSAK 1* 1 169.00 VIKING 433 3 3 369.95 UHER 7000D 2 1 149.50 LAFAYETTE RK830 3 1 159.95 LAFAYETTE RK880 3 1 249.95 MAGNECORD 1020 3 3 570.00 ROBERTS 1721 2 1 179.95 CONCORD 776D 1* 1 199.95

57-1A Consumer Report (1968 3

Best Buy

7½"- P 7½"-R/P 3¾"-R/P

REVOX G36 MarkII VG VG VG G E E E E TANDBERG 64X VG VG VG VG VG VG E VG TEAC A-1200 E G VG VG E VG VG VG SONY TC-350 VG VG VG VG E G G VG AMPEX 2150 G VG VG G VG E G G ROBERTS 1740X G VG VG VG E G G F-to-G VIKING 423 VG G G VG G VG VG G WOLLENSAK G VG G G E VG G G VIKING 433 VG G G VG F VG VG VG UHER 7000D G G VG G G E G F LAFAYETTE RK830 VG VG F-to-G G F G VG G LAFAYETTE RK880 VG VG F G G F G G MAGNECORD 1020 G G G VG E F-to-P VG G ROBERTS 1721 E VG G G P F G F CONCORD 776D VG G P F G F P F-to-G

: Best Buy, E: Excellent, VG: Very Good, G: Good, F: Fine, P: Poor

57-1B Consumer Report (1968 3

37

JAS Journal 2011 Vol.51 No.5 9

4

1

1

557-3 (a, b)

(b) TANDBERG (a) REVOX

(d) SONY (c) TEAC 57-2 Consumer Report

b Magnecord 1020 a Ampex 2051

57-3 Consumer Report Ampe Magnecord

38

JAS Journal 2011 Vol.51 No.5 9

4 (444) (445)

1970 1970 45 FM

(276) FM

HiFi 1

FM

57-2 1970 12

5 4 17 34

( 57-4

70

30

5 6

19 9.5 4.6 VICTOR TD-344 29,800 SONY TC-6100 32,800 VICTOR TD-694 33,800 SONY TC-6260 39,800 TC-6360 51,800 PIONEER T-6100 53,800 T-6600 69,800 TEAC A-2050 69,800 A-2300 74,800 TORIO KW-5077 74,900 SONY TC-9400 76,800 TEAC A-4010S 99,800 PIONEER T-8800 139,800 TEAC A-6010 159,000 SANSUI SD-7000 168,000 REVOX A77 258,000

57-2 4 (1970 5 (

39

JAS Journal 2011 Vol.51 No.5 9

57-4 5

1970

40

JAS Journal 2011 Vol.51 No.5 9

5 4 (446) 5.1

4

5.2

57-1(aa) (447) (448)

3 57-1(bb)

5.3 57-1 1mm

0.5mm6dB

57-2(aa)

( 6.2 6.3mm)

( (bb) )

57-1 (a) b

(JIS C5567-1989

57-1 c) 4

TEAC

41

JAS Journal 2011 Vol.51 No.5 9

**1

57-2

57-3 (aa) , (bb)

57-3

( 57-4)

57-5 (aa)

57-4

57-5

57-5 (bb)

42

JAS Journal 2011 Vol.51 No.5 9

*1 (fringe effect)

5.4

41 4

1

57-6 (aa) 2 (bb) 3 (cc)

4

5 (dd) 6

(ee)

7

5.5

57-2( )

VU 3VU

4

(1)

57-6

43

JAS Journal 2011 Vol.51 No.5 9

(2)

5.6 SSN

SN

S N4

5.7

57-7

1kHz 40dB

50dB

57-7

4

50Hz20dB

57-5 57-850Hz 30 40dB

57-5

57-8

44

45

JAS Journal 2011 Vol.51 No.5 9

5.8

( 57-6)

57-6

3

4

(1)

(2)(3)

5 4

16

(1) 50 VIII (1986.12)

(276) 50 XV (1986.12)

(442) “Stereo Tape Decks” Consumer Reports Vol.32,No.3.CU,Inc.(1968.03)

(443) Stereo Sound (1968.04)

(444) 1970.05

(445) 34

1970.05

(446) 4TEAC No.3 (1966.03)

(447) JIS C5567-1989 ( ) (1990.01) (448) IEC Pubication 94-6(1985) Magnetic Tape

Sound Recording and Reproducing Systems: Part 6: Reel to Reel System