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