Tannoy Dual Concentric Speakers - Serial Numbers
Series Model Approx Year Serial Number Notes Location
Monitor Black 1947-1951
15" 300xx
30035 First digit "3" in s/n is questionable, and could be "0" NY, USA
011 985 Mounted in corner reflex cabinet Sussex UK
012 225 CA, USA
12" 10 116
Monitor Silver 1951-57
15" 015 695 Milwaukee, USA
017 920 Canada
LSU/HF/15L 017 977
018 366
018 516 Canada
018 548
023 044 fitted to GRF enclosure
023 064
027 217 with later, sealed crossover
12" 014 376
LSU/HF/12/L 014 432
015 403 with un-potted (un-sealed) crossover
016 159 Silver-Blue special finish (possibly for PYE?)
016 917 UK
018 304 repaired with foam roll-srrounds located in Chile
019 934 repaired with foam roll-srrounds located in Chile
020 931 UK
026 759
12" Direct Radiator
LSU/12.L. 1959 013 003 Green Magnet, silver cast basket, aluminium dome New Zealand
027 061 Green Magnet, silver cast basket, aluminium dome, decal on side N Is., New Zealand
027 570 Green Magnet, silver cast basket, aluminium dome, decal on side N Is., New Zealand
Monitor Red 1958-1967
15" 028 557 brown/orange dustcover, decal on side of magnet cover Australia
LSU/HF/15/L 029 701 brown/orange dustcover, decal on side of magnet cover Australia
036 994 with brown/orange dustcover
1959 038 331 decal plate on rear of magnet cover
038 542 with brown/orange dustcover
038 581 orange dustcover, no decal on rear of magnet cover, gray gasket Wellington NZ
041 923 cone 37-751/001 orange dustcap, brown gasket, decal on rear LA / CA / USA
045 716 cone 38-751/001 black dustcap, white gasket, decal on rear LA / CA / USA
042 237 with brown/orange dustcover NZ
046 346 with black dustcover
046 503 with black dustcover, white gasket, decal on rear Sth Virg USA
046 563 with black dustcover, white gasket, decal on rear Sth Virg USA
047 049 with black dustcover, white gasket, decal on rear Braids Hill, NZ
047 332 with black dustcover, white gasket, decal on rear Braids Hill, NZ
047 340 with black dustcover NZ
047 961 with black dustcover Ramona, CA, USA
048 018 with black dustcover Ramona, CA, USA
048 310 LF cone part 16/751001, black dust cap, decal on rear of magnet
048 498 no decal plate on rear of magnet
048 536 no decal plate on rear of magnet
049 471 no decal plate on rear of magnet, white gasket, black dust cap Wellingtopn NZ
051 070 decal plate on rear of magnet cover, black dust cap Nth VA, USA
051 093 decal plate on rear of magnet cover
051 124 decal plate on rear of magnet cover
053 255 decal plate on rear of magnet cover Nth VA, USA
054 973 with black dustcover
1966 055 486 Melbourne Australia
1966 055 770 Melbourne Australia
056 539 Canada
056 955 with plastic red/pink magnet caps
057 037 with plastic red/pink magnet caps
058 673 with plastic red/pink magnet caps Braids Hill, NZ
058 718 with plastic red/pink magnet caps Wellington NZ
058 889 with plastic red/pink magnet caps Wellington NZ
069 896 MDC/15/SC, pink plastic caps, plastic crossover with control USA, Grand Rapids
069 951 MDC/15/SC, pink plastic caps, plastic crossover with control USA, Grand Rapids
LSU/HF/15.Lݝ (late RED) ~1966 063 655 Magnet decal says "Monitor" (no "GOLD"). Chassis is buff, magnet cap is gold. Crossover is plastic-cased. Denmark
~1966 063 682 Magnet decal says "Monitor" (no "GOLD"). Chassis is buff, magnet cap is gold. Crossover is plastic-cased. Denmark
070 656 Magnet cap red plastic, "Monitor", in black & silver decal, chassis is buff grey (not hammer tone) UK
107 023 Factory re-worked Reds? Grey chassis (not hammertone), Pink plastic magnet caps, Decal says "Monitor", Decal is sliver & black, plastic cased gold-style crossover (no decal),ݠonly one 3-position treble control Phoenix, USA
108 109 Factory re-worked Reds? Grey chassis (not hammertone), Pink plastic magnet caps, Decal says "Monitor", Decal is sliver & black, plastic cased gold-style crossover (no decal),ݠonly one 3-position treble control Phoenix, USA
12" 028 404 decal transfer on side of magnet, & orange dust caps
LSU/HF/12/L 028 800 decal transfer on side of magnet, & orange dust caps
030 536 QLD, Australia
036 996 orange/brown dustcap, brown gasket, decal on rear, LF & HF coil 12 Ohms, Chatsworth cab. Oakton, Va, USA
037 446 orange dust caps
037 660 orange dust caps
042 313 orange/brown dustcap, brown gasket, decal on rear, LF & HF coil 12 Ohms, Chatsworth cab. Oakton, Va, USA
043 953 white gaskets, s/n on frame-leg Los Bano, CA, USA
046 731 black dust cap, white gasket, decal on rear of magnet cover NY, USA
046 941 black dust cap, white gasket, decal on rear of magnet cover NY, USA
048 612 white gaskets, s/n on frame-leg Los Bano, CA, USA
048 906 NY USA
055 411 black dust caps, black gaskets, metal hammertone magnet cap Portland, USA
055 421 black dust caps, black gaskets, metal hammertone magnet cap Portland, USA
056 005 located in Chile
057 095 located in Chile
12" (late Red) 067 913 Gold magnet cover. Decal says "Monitor" (no "Gold"). Slovenia
LSU/HF/12/L 068 101 Gold magnet cover. Decal says "Monitor" (no "Gold"). Slovenia
078 298* with plastic red/pink magnet caps Zagreb, Croatia
*high serial number
IIILZ (10") 036 231
038 583 with orange dust cap NY, USA
039 624 with orange dust cap NY, USA
046 371 black dust cap Milan, Italy
046 408 black dust cap Milan, Italy
Monitor Gold 1967-1974
15" 1969-03-25 068 743 Canberra
LSU/HF/15/8 069 151
069 190
071 676 Fitted to Lancaster cabinets
074 493
074 618
075 992 Fitted to Lancaster cabinets
077 480 Fitted to "Mallorcan" cabinets (USA) CA, USA
077 501 Fitted to "Mallorcan" cabinets (USA) CA, USA
082 200 purchased approx 1972 Lincolnshire UK
082 484 purchased approx 1972 Lincolnshire UK
084 338 LF cone 751 007 Melbourne Australia
084 481 LF cone 751 007 Melbourne Australia
084 635 Manchester UK
085 416 in Lancaster cabinets Hampshire UK
085 424 Canberra
085 567 Canberra
096 898 Manchester UK
096 011 in Lancaster cabinets (factory sealed port) Lincolnshire UK
096 180 in Lancaster cabinets Hampshire UK
096 647 in Lancaster cabinets (factory sealed port) Lincolnshire UK
101 235 Canberra
107 561 in Lancaster cabinets (factory sealed port) UK
107 837 in Lancaster cabinets (factory sealed port) UK
108 642
108 680
109 315
109 337
109 421 Mounted in Tudor Autograph enclosure
115 571 Factory production code C29898, bought 1972
1970 115 760 Possibly circa 1970
115 841 Factory production code C29946, bought 1972
117 642
117 865
117 986 Surrey, UK
118 623 Surrey, UK
Nov-72 119 867 In Lancaster cabinets Oxford , UK
120 582 In Lancaster cabinets Oxford , UK
128 195 Input terminals are on control-panel. Full recess for surround retaining screws. UK
1971 129 969
1973 ? 132 073 In GRF Windsor enclosure, originally purchased 1974, US$1134 LA, USA
132 110
132 386
132 464 Input terminals are on control-panel. Full recess for surround retaining screws. UK
133 090
133 530 Near the end of Monitor Gold production run
1973 ? 134 166 In GRF Windsor enclosure, originally purchased 1974, US$1134 LA, USA
12" 067 737
1968 067 814 In USA Belvedere boxes (ser no B1838) Atlanta USA
LSU/HF/12/8 068 019
1969 068 916 In Lancaster enclosures Oxfordshire UK
069 011 Vancouver, Canada
069 013 Vancouver, Canada
084 889 LSU/HF/12/8, were in Lancaster cabinets London, UK.
085 218 LSU/HF/12/8, were in Lancaster cabinets London, UK.
101 169 LSU/HF/12/8, but have rubber surrounds Rochdale, UK
101 526 LSU/HF/12/8, but have rubber surrounds Rochdale, UK
114 502 LSU/HF/12/8RS - rubber surround
114 518 LSU/HF/12/8 - but photo possibly showed a rubber surround?
114 788 LSU/HF/12/8 - but photo possibly showed a rubber surround?
115 239 LSU/HF/12/8RS - rubber surround
118 949 Rubber surround, but decal says LSU/HF/12/8 UK
119 308 Rubber surround, but decal says LSU/HF/12/8 UK
121 033 LSU/HF/8/12/RS - rubber surround Oxford, UK
121 182 LSU/HF/8/12/RS - rubber surround Oxford, UK
121 261 LSU/HF/12/8RS - rubber surround
121 283 LSU/HF/12/8RS - rubber surround
123 941
123 870
140 138 Chatsworth cabinets, rubber surround, input conn. on control panel Oxfordshire UK
143 022 Chatsworth cabinets, rubber surround, input conn. on control panel Oxfordshire UK
IIILZ (10") 059 655 LSU/FH/III.LZ/8 Surrey UK
LSU/HF/III.LZ/8 059 656 LSU/FH/III.LZ/8 Surrey UK
071 212
071 423
071 437 LSU/HF/3LZGH/8
071 521 LSU/HF/3LZGH/8
099 293 Circular flange Oxford UK
100 558 Circular flange Oxford UK
105 735 LSU/HF/III.LZ/8 Denmark
105 801 LSU/HF/III.LZ/8 Denmark
109 587 LSU/HF/3LZG/8 in Tannoy cabinets Sussex, UK
109 696 LSU/HF/3LZG/8, squared flange on basket York, UK
116 597 LSU/HF/3LZG/8 in Tannoy cabinets Sussex, UK
117 263 NZ
117 324
117 402 LSU/HF/3LZG/8, squared flange on basket York, UK
116 961 NZ
131 300 LSU/HF/3LZG/8U Braids Hill NZ
134 325
145 268 LSU/HF/3LZG/8U Braids Hill NZ
Monitor HPD 1974-1979
HPD 385 200 628 Also chassis stamped 137 084 -- possible last-Gold, first HPD?
HPD385's have 24-Sep-75 205 935 HPD's in Rectangular-York Enclosures
"41/" s/n prefix 209 306 HPD / 385A. Mk.1, inspected by D.R.Andrews UK
210 139 HPD with gold-style knobs crossover, and input terminals on same panel as control knobs. Decal: HPD385/8. "Tannoy" cast into frame. S/n on id plate. UK
220 481 HPD with gold-style knobs crossover, and input terminals on same panel as control knobs. Decal: HPD385/8. "Tannoy" cast into frame. S/n on id plate. UK
222 390
1977 402 965
HPD 385A Mar-77 503 838
Mar-77 503 840
385 / 507 159 Arden Mk 1 cabinets, purchased 1981 in Perth Perth, Australia
385 / 507 276 Arden Mk 1 cabinets, purchased 1981 in Perth Perth, Australia
514 223
514 248
524 009 mounted in Berkley enclosures Calgary Canada
524 013 mounted in Berkley enclosures Calgary Canada
HPD 385B 41 / 221 657 Grey chassis, no magnet cap.
41 / 221 685 Grey chassis, no magnet cap.
]
HPD 315 10-Mar-75 203 628 HPD's in Lancaster enclosures
HPD385's all have 205 783 In Chatsworth Cabinets Oxford, UK
"31/" s/n prefix 206 109 In Chatsworth Cabinets Oxford, UK
208 212 mounting holes are slots, rebate for each rear screw USA USA/Indianapolis
211 727 mounting holes are slots, rebate for each rear screw USA USA/Indianapolis
504 662 mounted in Cheviot enclosures Oxford, UK
504 751 mounted in Cheviot enclosures Oxford, UK
506 150 mounted in Cheviot enclosures Canada
516 020 Chelmsofrd UK
516 025 Chelmsofrd UK
517 173
HPD 295 n/a
203 023 HPD/295/8, dated 8 July 1975, in "Chevening" cabinets. Glos, UK
Monitor Royal
(Canada only)
15" 202 950 Monitor Royals have blue magnet covers Toronto
202 956 Toronto
203 403
203 439
12"ݠ- 1260 31 / 203 018 Slotted mounting holes Montreal, Canada
Other
Arden Mk II DC386 3926/004028 Ceramic Magnet Arden
Westminsters TW cabinets (not drivers) E55 013822P & 013824P
3828 003909 Ottowa Canada
003951 Ottowa Canada
3808 812.980 Denmark
861.623 Denmark
3859 31-Oct-83 880 758 No magnet covers
878 446 No magnet covers
Series Model Approx Year Serial Number Notes Location
Monitor Black 1947-1951
15" 300xx
30035 First digit "3" in s/n is questionable, and could be "0" NY, USA
011 985 Mounted in corner reflex cabinet Sussex UK
012 225 CA, USA
12" 10 116
Monitor Silver 1951-57
15" 015 695 Milwaukee, USA
017 920 Canada
LSU/HF/15L 017 977
018 366
018 516 Canada
018 548
023 044 fitted to GRF enclosure
023 064
027 217 with later, sealed crossover
12" 014 376
LSU/HF/12/L 014 432
015 403 with un-potted (un-sealed) crossover
016 159 Silver-Blue special finish (possibly for PYE?)
016 917 UK
018 304 repaired with foam roll-srrounds located in Chile
019 934 repaired with foam roll-srrounds located in Chile
020 931 UK
026 759
12" Direct Radiator
LSU/12.L. 1959 013 003 Green Magnet, silver cast basket, aluminium dome New Zealand
027 061 Green Magnet, silver cast basket, aluminium dome, decal on side N Is., New Zealand
027 570 Green Magnet, silver cast basket, aluminium dome, decal on side N Is., New Zealand
Monitor Red 1958-1967
15" 028 557 brown/orange dustcover, decal on side of magnet cover Australia
LSU/HF/15/L 029 701 brown/orange dustcover, decal on side of magnet cover Australia
036 994 with brown/orange dustcover
1959 038 331 decal plate on rear of magnet cover
038 542 with brown/orange dustcover
038 581 orange dustcover, no decal on rear of magnet cover, gray gasket Wellington NZ
041 923 cone 37-751/001 orange dustcap, brown gasket, decal on rear LA / CA / USA
045 716 cone 38-751/001 black dustcap, white gasket, decal on rear LA / CA / USA
042 237 with brown/orange dustcover NZ
046 346 with black dustcover
046 503 with black dustcover, white gasket, decal on rear Sth Virg USA
046 563 with black dustcover, white gasket, decal on rear Sth Virg USA
047 049 with black dustcover, white gasket, decal on rear Braids Hill, NZ
047 332 with black dustcover, white gasket, decal on rear Braids Hill, NZ
047 340 with black dustcover NZ
047 961 with black dustcover Ramona, CA, USA
048 018 with black dustcover Ramona, CA, USA
048 310 LF cone part 16/751001, black dust cap, decal on rear of magnet
048 498 no decal plate on rear of magnet
048 536 no decal plate on rear of magnet
049 471 no decal plate on rear of magnet, white gasket, black dust cap Wellingtopn NZ
051 070 decal plate on rear of magnet cover, black dust cap Nth VA, USA
051 093 decal plate on rear of magnet cover
051 124 decal plate on rear of magnet cover
053 255 decal plate on rear of magnet cover Nth VA, USA
054 973 with black dustcover
1966 055 486 Melbourne Australia
1966 055 770 Melbourne Australia
056 539 Canada
056 955 with plastic red/pink magnet caps
057 037 with plastic red/pink magnet caps
058 673 with plastic red/pink magnet caps Braids Hill, NZ
058 718 with plastic red/pink magnet caps Wellington NZ
058 889 with plastic red/pink magnet caps Wellington NZ
069 896 MDC/15/SC, pink plastic caps, plastic crossover with control USA, Grand Rapids
069 951 MDC/15/SC, pink plastic caps, plastic crossover with control USA, Grand Rapids
LSU/HF/15.Lݝ (late RED) ~1966 063 655 Magnet decal says "Monitor" (no "GOLD"). Chassis is buff, magnet cap is gold. Crossover is plastic-cased. Denmark
~1966 063 682 Magnet decal says "Monitor" (no "GOLD"). Chassis is buff, magnet cap is gold. Crossover is plastic-cased. Denmark
070 656 Magnet cap red plastic, "Monitor", in black & silver decal, chassis is buff grey (not hammer tone) UK
107 023 Factory re-worked Reds? Grey chassis (not hammertone), Pink plastic magnet caps, Decal says "Monitor", Decal is sliver & black, plastic cased gold-style crossover (no decal),ݠonly one 3-position treble control Phoenix, USA
108 109 Factory re-worked Reds? Grey chassis (not hammertone), Pink plastic magnet caps, Decal says "Monitor", Decal is sliver & black, plastic cased gold-style crossover (no decal),ݠonly one 3-position treble control Phoenix, USA
12" 028 404 decal transfer on side of magnet, & orange dust caps
LSU/HF/12/L 028 800 decal transfer on side of magnet, & orange dust caps
030 536 QLD, Australia
036 996 orange/brown dustcap, brown gasket, decal on rear, LF & HF coil 12 Ohms, Chatsworth cab. Oakton, Va, USA
037 446 orange dust caps
037 660 orange dust caps
042 313 orange/brown dustcap, brown gasket, decal on rear, LF & HF coil 12 Ohms, Chatsworth cab. Oakton, Va, USA
043 953 white gaskets, s/n on frame-leg Los Bano, CA, USA
046 731 black dust cap, white gasket, decal on rear of magnet cover NY, USA
046 941 black dust cap, white gasket, decal on rear of magnet cover NY, USA
048 612 white gaskets, s/n on frame-leg Los Bano, CA, USA
048 906 NY USA
055 411 black dust caps, black gaskets, metal hammertone magnet cap Portland, USA
055 421 black dust caps, black gaskets, metal hammertone magnet cap Portland, USA
056 005 located in Chile
057 095 located in Chile
12" (late Red) 067 913 Gold magnet cover. Decal says "Monitor" (no "Gold"). Slovenia
LSU/HF/12/L 068 101 Gold magnet cover. Decal says "Monitor" (no "Gold"). Slovenia
078 298* with plastic red/pink magnet caps Zagreb, Croatia
*high serial number
IIILZ (10") 036 231
038 583 with orange dust cap NY, USA
039 624 with orange dust cap NY, USA
046 371 black dust cap Milan, Italy
046 408 black dust cap Milan, Italy
Monitor Gold 1967-1974
15" 1969-03-25 068 743 Canberra
LSU/HF/15/8 069 151
069 190
071 676 Fitted to Lancaster cabinets
074 493
074 618
075 992 Fitted to Lancaster cabinets
077 480 Fitted to "Mallorcan" cabinets (USA) CA, USA
077 501 Fitted to "Mallorcan" cabinets (USA) CA, USA
082 200 purchased approx 1972 Lincolnshire UK
082 484 purchased approx 1972 Lincolnshire UK
084 338 LF cone 751 007 Melbourne Australia
084 481 LF cone 751 007 Melbourne Australia
084 635 Manchester UK
085 416 in Lancaster cabinets Hampshire UK
085 424 Canberra
085 567 Canberra
096 898 Manchester UK
096 011 in Lancaster cabinets (factory sealed port) Lincolnshire UK
096 180 in Lancaster cabinets Hampshire UK
096 647 in Lancaster cabinets (factory sealed port) Lincolnshire UK
101 235 Canberra
107 561 in Lancaster cabinets (factory sealed port) UK
107 837 in Lancaster cabinets (factory sealed port) UK
108 642
108 680
109 315
109 337
109 421 Mounted in Tudor Autograph enclosure
115 571 Factory production code C29898, bought 1972
1970 115 760 Possibly circa 1970
115 841 Factory production code C29946, bought 1972
117 642
117 865
117 986 Surrey, UK
118 623 Surrey, UK
Nov-72 119 867 In Lancaster cabinets Oxford , UK
120 582 In Lancaster cabinets Oxford , UK
128 195 Input terminals are on control-panel. Full recess for surround retaining screws. UK
1971 129 969
1973 ? 132 073 In GRF Windsor enclosure, originally purchased 1974, US$1134 LA, USA
132 110
132 386
132 464 Input terminals are on control-panel. Full recess for surround retaining screws. UK
133 090
133 530 Near the end of Monitor Gold production run
1973 ? 134 166 In GRF Windsor enclosure, originally purchased 1974, US$1134 LA, USA
12" 067 737
1968 067 814 In USA Belvedere boxes (ser no B1838) Atlanta USA
LSU/HF/12/8 068 019
1969 068 916 In Lancaster enclosures Oxfordshire UK
069 011 Vancouver, Canada
069 013 Vancouver, Canada
084 889 LSU/HF/12/8, were in Lancaster cabinets London, UK.
085 218 LSU/HF/12/8, were in Lancaster cabinets London, UK.
101 169 LSU/HF/12/8, but have rubber surrounds Rochdale, UK
101 526 LSU/HF/12/8, but have rubber surrounds Rochdale, UK
114 502 LSU/HF/12/8RS - rubber surround
114 518 LSU/HF/12/8 - but photo possibly showed a rubber surround?
114 788 LSU/HF/12/8 - but photo possibly showed a rubber surround?
115 239 LSU/HF/12/8RS - rubber surround
118 949 Rubber surround, but decal says LSU/HF/12/8 UK
119 308 Rubber surround, but decal says LSU/HF/12/8 UK
121 033 LSU/HF/8/12/RS - rubber surround Oxford, UK
121 182 LSU/HF/8/12/RS - rubber surround Oxford, UK
121 261 LSU/HF/12/8RS - rubber surround
121 283 LSU/HF/12/8RS - rubber surround
123 941
123 870
140 138 Chatsworth cabinets, rubber surround, input conn. on control panel Oxfordshire UK
143 022 Chatsworth cabinets, rubber surround, input conn. on control panel Oxfordshire UK
IIILZ (10") 059 655 LSU/FH/III.LZ/8 Surrey UK
LSU/HF/III.LZ/8 059 656 LSU/FH/III.LZ/8 Surrey UK
071 212
071 423
071 437 LSU/HF/3LZGH/8
071 521 LSU/HF/3LZGH/8
099 293 Circular flange Oxford UK
100 558 Circular flange Oxford UK
105 735 LSU/HF/III.LZ/8 Denmark
105 801 LSU/HF/III.LZ/8 Denmark
109 587 LSU/HF/3LZG/8 in Tannoy cabinets Sussex, UK
109 696 LSU/HF/3LZG/8, squared flange on basket York, UK
116 597 LSU/HF/3LZG/8 in Tannoy cabinets Sussex, UK
117 263 NZ
117 324
117 402 LSU/HF/3LZG/8, squared flange on basket York, UK
116 961 NZ
131 300 LSU/HF/3LZG/8U Braids Hill NZ
134 325
145 268 LSU/HF/3LZG/8U Braids Hill NZ
Monitor HPD 1974-1979
HPD 385 200 628 Also chassis stamped 137 084 -- possible last-Gold, first HPD?
HPD385's have 24-Sep-75 205 935 HPD's in Rectangular-York Enclosures
"41/" s/n prefix 209 306 HPD / 385A. Mk.1, inspected by D.R.Andrews UK
210 139 HPD with gold-style knobs crossover, and input terminals on same panel as control knobs. Decal: HPD385/8. "Tannoy" cast into frame. S/n on id plate. UK
220 481 HPD with gold-style knobs crossover, and input terminals on same panel as control knobs. Decal: HPD385/8. "Tannoy" cast into frame. S/n on id plate. UK
222 390
1977 402 965
HPD 385A Mar-77 503 838
Mar-77 503 840
385 / 507 159 Arden Mk 1 cabinets, purchased 1981 in Perth Perth, Australia
385 / 507 276 Arden Mk 1 cabinets, purchased 1981 in Perth Perth, Australia
514 223
514 248
524 009 mounted in Berkley enclosures Calgary Canada
524 013 mounted in Berkley enclosures Calgary Canada
HPD 385B 41 / 221 657 Grey chassis, no magnet cap.
41 / 221 685 Grey chassis, no magnet cap.
]
HPD 315 10-Mar-75 203 628 HPD's in Lancaster enclosures
HPD385's all have 205 783 In Chatsworth Cabinets Oxford, UK
"31/" s/n prefix 206 109 In Chatsworth Cabinets Oxford, UK
208 212 mounting holes are slots, rebate for each rear screw USA USA/Indianapolis
211 727 mounting holes are slots, rebate for each rear screw USA USA/Indianapolis
504 662 mounted in Cheviot enclosures Oxford, UK
504 751 mounted in Cheviot enclosures Oxford, UK
506 150 mounted in Cheviot enclosures Canada
516 020 Chelmsofrd UK
516 025 Chelmsofrd UK
517 173
HPD 295 n/a
203 023 HPD/295/8, dated 8 July 1975, in "Chevening" cabinets. Glos, UK
Monitor Royal
(Canada only)
15" 202 950 Monitor Royals have blue magnet covers Toronto
202 956 Toronto
203 403
203 439
12"ݠ- 1260 31 / 203 018 Slotted mounting holes Montreal, Canada
Other
Arden Mk II DC386 3926/004028 Ceramic Magnet Arden
Westminsters TW cabinets (not drivers) E55 013822P & 013824P
3828 003909 Ottowa Canada
003951 Ottowa Canada
3808 812.980 Denmark
861.623 Denmark
3859 31-Oct-83 880 758 No magnet covers
878 446 No magnet covers
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