Aiwa                            
Model (see top page for legend)
Year
Heads
F.R.,
±3dB, Hz-kHz
W&F, WRMS,
%
S/N, NR
off, dB
S/N, Best NR,
dB
NR & Bias
Rec. Cal.
Auto
Reverse
Drive
Motors
Weight, kg
Price, MSRP,
USD
Notes
AD-1800
1976 2 30-18
0.05 59 65 B/DNR
Manual
No
Open
1 7.5 450  
AD-1600
1976 2 30-17
0.07 56 62 B/DNR
Manual
No
Open
1 6.2 360  
AD-1250
1976 2 30-16
0.09 50 60 B/DNR
Manual
No
Open
1 4.6 240  
AD-6550
1977 2 20-17
0.05 59 65 B/DNR
Manual
No
Open
1 7.5 470  
AD-6500
1977 2 30-17
0.07 56 62 B/DNR
Manual
No
Open
1 8.5 370  
AD-6300
1977 2 30-16
0.09 54 60 B/DNR
Manual
No
Open
1 6.7 260  
AD-6900/ AD-F90*
1978 3 20-20
0.04 58 68 B
Manual
No
Open
2 9.5 850 *Japanese model
AD-6800/AD-F80*
1978 3 20-19
0.05 55 65 B
Manual
No
Open
1 10.0 650 Azimuth adjustment; *Japanese model
AD-6600
1978 2 20-17
0.04 55 63 B
Manual
No
Open
1 8.5 490  
AD-6400
1978 2 20-16
0.05 55 62 B
Manual
No
Open
1 8.4 380  
AD-6350
1978 2 25-17
0.08 55 65 B
Manual
No
Open
1 7.6 320  
AD-L40U
1979 2 20-17
0.04 55 65 B
Manual
No
Open
2 7.7 490  
AD-6900II
1979 3 20-20
0.04 58 68 B
Manual
No
Open
2 9.5 1,000  
AD-6700
1979 2 20-19
0.04 55 67 B
Manual
No
Open
2 9.5 750  
AD-6450
1979 2 25-17
0.05 55 65 B
Manual
No
Open
2 8.4 380  
AD-R500U
1980 3 20-19
0.04 54 64 B
Manual
Yes
Open
2 10.2 450 2-erase heads
AD-M800U
1980 3 20-19
0.04 58 68 B
Auto
No
Open
2 9.5 760  
AD-M700U
1980 3 20-19
0.04 55 65 B
Manual
No
Open
2 7.6 490  
AD-R600U
1981 2 20-19
0.035 57 78 B/C
Manual
Yes
Open
2 5.5 395  
AD-3800U
1981 3 20-20
0.025 60 81 B/C
Auto
No
Closed
2 5.1 595  
AD-3700U
1981 3 20-20
0.028 60 80 B/C
Manual
No
Closed
2 5.1 495  
AD-3600U
1981 3 20-19
0.029 58 68 B/HX
Manual
No
Closed
2 5.3 460  
AD-3500U
1981 3 25-17
0.035 58 79 B/C
Manual
No
Open
2 5.5 395  
AD-3300U
1981 2 20-16
0.045 58 78 B/C
Manual
No
Open
2 6.5 370  
AD-F990/AD-FF90*
1983 3 20-21
0.025 63 80 B/C/H
Auto
No
Closed
2 5.5 595 Auto demagnetizing, NR detector; *Japanese model
AD-F770/AD-FF70*
1983 3 20-20
0.025 63 80 B/C/H
Auto
No
Closed
2 5.5 495 Auto demagnetizing; *Japanese model
AD-F660/AD-FF60*
1983 3 20-20
0.028 63 80 B/C/H
Manual
No
Closed
2 5.5 375 *Japanese model
AD-R650
1985 3 20-19
0.035 63 80 B/C/H
Manual
Yes
Open
2 5.0 395 Auto demagnetizing, Quick auto reverse
AD-R550
1985 2 20-18
0.038 60 78 B/C/H
Manual
Yes
Open
2 5.2 320 Quick auto reverse
AD-R450U
1985 2 20-18
0.04 60 78 B/C
Manual
Yes
Open
2 4.5 250 Quick auto reverse
AD-R470
1988 2 20-18
0.065 60 78 B/C
Manual
Yes
Open
1 3.5 250 Quick auto reverse
AD-S40U
1986 3 20-17
0.028 61 78 B/C/H
Manual
No
Closed
2 4.7 330 Auto demagnetizing
AD-S20U
1986 3 20-17
0.055 61 78 B/C/H
Manual
No
Open
2 4.2 250 Auto demagnetizing
XK-009
1988 3 20-22
0.018 60 95 B/C/D/H
Manual
No
Closed
3 10.2 1,100  
XK-007
1988 3 20-20
0.025 60 95 B/C/D/H
Manual
No
Closed
2 8.1 900  
XK-005
1988 3         B/C/H
Manual
No
Closed
3   500 Japanese model
AD-F800
1988 3 20-19
0.035 59 78 B/C/H
Manual
No
Closed
2 5.1 450  
AD-F700
1988 2 20-18
0.055 59 78 B/C/H
Manual
No
Open
1 4.8 400  
AD-F880
1989 3 20-19
0.035 59 78 B/C/H
Manual
No
Closed
2 5.2 450  
AD-F780
1989 3 20-19
0.035 59 78 B/C/H
Manual
No
Closed
2 5.2 400  
AD-F1000
1989 3 20-20
0.025 60 78 B/C/H
Manual
No
Closed
2 8.1 880  
AD-R707
1990 2 20-18
0.065 61 78 B/C/H
Manual
Yes
Open
1 5.4 275 Quick auto reverse
AD-R505
1990 3 20-18
0.065 59 78 B/C/H
Manual
Yes
Open
1 3.9 230 Quick auto reverse
AD-F400
1990 3 20-18
0.065 61 78 B/C/H
Manual
No
Open
1 3.2 200  
XK-S9000
1992 3 13-24
0.018 65 87 B/C/S/H
Manual
No
Closed
4 14.1 1,150 Build-in 18-bit DAC, Super AMTS
XK-S7000
1992 3 13-24
0.025 61 87 B/C/S/H
Manual
No
Closed
3 11.8 949  
XK-S5000
1992 3                 3     Japanese model
AD-F910
1992 3 15-21
0.028 61 79 B/C/H
Manual
No
Closed
3 5.5 465  
AD-F810
1992 3 15-20
0.035 60 78 B/C/H
Manual
No
Closed
2 5.1 400  
AD-S950
1994 3 15-21
0.035 60 84 B/C/S/H
Manual
No
Closed
2 5.0 500  
AD-S750
1994 2 20-19
0.065 59 82 B/C/S/H
Auto
No
Open
1 4.0 325  
AD-F850
1994 3 15-21
0.035 60 78 B/C/H
Manual
No
Closed
2 4.5 400  
AD-F450
1994 2 20-18
0.065 59 78 B/C/H
Manual
No
Open
1 3.6 250