Speakers

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The complete Google Doc spreadsheet can be found here.


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Speaker
Size
Part No.
Models
Output Tubes
Out. Trans. Part #
Voice Coil Imp. (Ω)
Out. Trans. Pri (DC Ω)
Field Coil (DC Ω)
1A ‡8"3 (Transitone)1-71A27060.73754.05
2A-2 ‡8"029713 (Transitone)1-71A27060.73754.05
3A-3 ‡8"028327 (Transitone)1-38 as Pentode25890.77004.05
4A-48"028226 (Transitone), 7 (Transitone)1-41 as Pentode25981.256804.2
5A-58"027568 (Transitone)Push-Pull 41's as Pentodes25651.256804.2
6A-68"0271212 (Transitone) (Code 121)Push-Pull 41's as Pentodes25651.2568016
7A-78"026749 (Transitone) (6 Volt)1-79 as Class B32-70391.257254.2
8A-88"02665B-6 (Transitone)1-4125981.256804.2
9A-98"36-100112 (Transitone) (Code 122)1-79 as Class B32-70391.2572516
10A-108"36-1003B-9-F (Transitone)1-79 as Class B32-70391.257254.2
11A-138"36-10459 (Transitone)1-79 as Class B32-70391.257254.2
12A-178"36-1062Replacement for A and A-21-71A32-70141.251704.2
13A-188"36-1063Replacement for A-31-38 as Pentode32-70051.256804.2
14A-198"36-1032G (Transitone)1-42 as Pentode25981.256804.2
15A-238"36-1110G-122 (Transitone)1-42 as Pentode32-704214506
16A-258"36-1132801-T (Transitone) (12 Volt)1-79 as Class BSee Note 71.25. . . . . . .16
17A-278"36-1138802 (Transitone)Push-Pull 79's as Class B32-72051.253504.2
18A-298"36-1150808 (Transitone)Push-Pull 6A6's as Class A32-73551.253506
19A-308"36-1156809 (Transitone)1-41 as Pentode25981.256804
20A-328"36-1170809-T (12 Transitone)1-42 as Pentode25981.2568016
21B5"36-1007541-43 as Pentode32-702012002600
22B-25"36-101657, 58, 591-42 as Pentode32-704114001140
23B-45"36-1194602, 37-6021-43 as Pentode32-756612002600
24B-55"36-1204604, 37-6041-43 as PentodeSee Note 71. . . . . . .2600
25B-65"36-1205600, 37-6001-41 as Pentode32-704114001140
26BO-15"36-136638-12, 38-15T, 38-15CB, 38-15CBI1-41 as Pentode32-79553.54501500
27BO-25"36-136738-14T, 38-14CB, 38-14CBI1-43 as Pentode32-78743.53003000
28C36-1157805, 806 (Transitone)1-41 as Pentode32-701914506
29C-236-1153807 (Transitone)Push-Pull 6A6's as Class A32-738014006
30C-336-1154803-T, 806-T (Transitone)1-42 as Pentode32-7019140022
31CB-26"36-127037-690, 38-690 (Tweeter)Push-Pull 6B4G'sSee Note 7. . . . . . .600
32D5"36-1175Replacement for Auto Radio (Transitone) SpeakersAnySee Note 75. . . . . . .4
33E8"86Push-Pull 71A's27660.75503100
34F-108"65, 76Push-Pull 45's27660.75503200
35G10-1/2"65, 76, 87, 95Push-Pull 45's27660.75503200
36H10-1/2"77, 96Push-Pull 45's27660.75503200
37H-210-1/2"0299990 Highboy (early), 90 Lowboy (early), 111, 112Push-Pull 45's27660.75503200
38H-310-1/2"0295190 Highboy, 90 Lowboy (Mid Version)1-47 as Pentode26730.74503200
39H-410-1/2"02901112 (Late Version)Push-Pull 47's as Pentodes26350.78003200
40H-510-1/2"0287690 Highboy, 90 Lowboy (Mid Version)1-47 as Pentode26730.74503200
41H-610-1/2"0287390X, 112XPush-Pull 47's as Pentodes26350.78003200
42H-710-1/2"0281314LZX, 15X, 23X, 91X (See Note 1)Push-Pull 42's as Pentodes25651.256803275
43H-910-1/2"0264819H, 19LZX, 25L, 27L, 43L, 44, 71H, 71X1-42 as Pentode25801.254501125
44H-1010-1/2"0264147H, 47X, 49H, 49D, 49X, 641XPush-Pull 43's as Pentodes25501.2517070
45H-1110-1/2"36-1005Central Control System(4000 Impedance on Line)32-70141.251703275
46H-1210-1/2"36-100691D, 91L, 91X, 23LPush-Pull 42's as Pentodes25851.256803275
47H-1310-1/2"36-103616B, 18D, 18H, 18L, 18X, 116B (early), 118D, 118H, 118X, 118MX, 503L, 507L, 650, 655, 660, 665Push-Pull 42's as Triodes32-70781.253101125
48H-1410-1/2"36-103744H, 504L, 260L, 261L1-42 as Pentode25801.254501125
49H-1510-1/2"36-105719H (Code 126)1-42 as Pentode25801.254501125
50H-1610-1/2"36-105919X (Code 128), 144H, 144X, 506L1-42 as Pentode32-71781.25260660
51H-1710-1/2"36-1064Replacement for G, H, H-2Push-Pull 45's32-70781.253103275
52H-1810-1/2"36-1065Replacement for H-3 & H-51-47 as Pentode25801.254503275
53H-1910-1/2"36-1066Replacement for JPush-Pull 71A's32-70781.253104.2
54H-2010-1/2"36-1080Central Control System(1000 Impedance on Line)32-71981.25323275
55H-2110-1/2"36-115297H, 97D, 97X, 98, 640X, 645KPush-Pull 42's as Pentodes25851.25680435
56H-2210-1/2"36-1152630F1-42 as Pentode32-71781.25260660
57H-2410-1/2"36-122437-630X1-6F6G as Pentode25801.254501140
58H-2510-1/2"37-640X, 37-640MXPush-Pull 6F6G's as Pentodes32-76341.25700660
59H-2610-1/2"36-123837-650X, 37-650PX, 37-665X, 37-2650XPush-Pull 6F6G's as Pentodes32-76341.25700460
60H-2710-1/2"36-124037-660XPush-Pull 6F6G's as Pentodes32-76341.257002200
61H-2810-1/2"36-124237-670XPush-Pull 6F6G's as Triodes32-76381.253501125
62H-2910-1/2"36-129338-3, 38-4, 38-5XPush-Pull 6F6G's as Pentodes32-77541.25660660
63H-3010-1/2"36-129537-9, 37-10, 37-11Push-Pull 6F6G's as Pentodes32-77541.25660480
64H-3110-1/2"38-7XX1-6F6G as Pentode32-78621.254001140
65H-3210-1/2"36-129938-2Push-Pull 6F6G's as Pentodes32-77541.25530660
66HR10-1/2"02652Central Control System(1000 Impedance on Line)25981.25680PM
67HR-210-1/2"36-111329TX, 118RXAux. Spkr.See Note 71.25. . . . . . .PM
68HR-310-1/2"36-1125Replaces HR(12000 Impedance on Line)25981.25680PM
69HR-410-1/2"36-1126650RX (Also Replaces HR-2)Aux. Spkr.See Note 71.25. . . . . . .PM
70HR-510-1/2"651X2-43's as Pentodes32-75085PM
71HR-1210-1/2"36-125037-38J, 37-623J, 37-624J, 37-643X1-1J6G as Class B Triode32-76395680PM
72HR-1310-1/2"36-125137-641X, 37-641MX2-25A6G's as Pentodes32-76625170PM
73HR-2010-1/2"36-135138-38K, 38-38X, 38-39K, 38-39X1-1J6G as Class B Triode32-77585690PM
74HR-2110-1/2"36-135238-23K, 38-23X2-25L6G's32-7863595PM
75HR-2210-1/2"36-137838-22XX2-25L6G's32-7863595PM
76HR-2310-1/2"36-138038-40K, 38-40X1-6K6G as Pentode32-79365625PM
77HS10-1/2"36-122037-610J, 37-620J, 37-2620J, 38-8X, 38-9K, 38-9X, 38-10F1-6F6G as Pentode32-701914001140
78HS-210-1/2"36-125537-611J1-25A6G as Pentode32-739512002850
79HS-310-1/2"36-135038-89K1-6F6G as Pentode32-701914001140
80J10-1/2"40, 41Push-Pull 71A's27660.75503
81K8"20, 21Push-Pull 71A's27660.75003100
82K-28"0299890Push-Pull 45's27660.75003100
83K-38"0298170 Baby Grand, 70 Highboy, 90 Baby Grand (version 2)1-47 as Pentode26730.74503100
84K-48"02865470, 4901-47 as Pentode26730.74503100
85K-58"0283190 Baby Grand (version 3)Push-Pull 47's as Pentodes25900.77003100
86K-68"0282191B (Also Replaces K-5), 90 Highboy (version 3)Push-Pull 42's as Pentodes25851.256803275
87K-78"0281919B, 19LZ, 43B, 71B, 71L, 89B, 89H1-42 as Pentode25801.254501125
88K-88"02806470, 490Push-Pull 47's as Pentodes25900.77003100
89K-98"0278422L, 43H, 71D, 71H (See Note 2)1-42 as Pentode25641.255303275
90K-108"0278222L, 43H, 71D, 71H. . . . . . .See Note 31.25. . . . . . .1125
91K-128"0276514LZX, 15X, 23X, 91X. . . . . . .See Note 41.25. . . . . . .3275
92K-138"0276347B (Also Replaces N & N-2), 49B, 641BPush-Pull 43's as Pentodes25501.2517070
93K-148"0275847H (See Note 5)Push-Pull 43's as Pentodes25441.2517070
94K-158"0275747H. . . . . . .See Note 61.25. . . . . . .2200
95K-178"36-102514B (Code 122), 16B, 17B, 18B, 116B (late), 118B, 650B, 655BPush-Pull 42's as Triodes32-70781.253101125
96K-188"36-103110 (Transitone) (6 Volt). . . . . . .See Note 71.25. . . . . . .4.2
97K-198"36-1035261B1-42 as Pentode25801.254501125
98K-208"36-104310 (Transitone) (12 Volt). . . . . . .See Note 71.25. . . . . . .16
99K-218"36-105519B, 19LZ, 89B, 89L, 505L, 640B1-42 as Pentode25801.254501125
100K-228"36-105844B1-42 as Pentode25801.254501125
101K-238"36-106019B (Code 128), 144B1-42 as Pentode32-71781.25260660
102K-248"36-1067Replacement for E, F-10, M, K, K-2Push-Pull 71A's or 45's32-70781.253103275
103K-258"36-1068Replacement for K-3 & K-41-47 as Pentode25801.254503275
104K-268"36-109932B, 32L1-42 as Pentode32-70421.2545052
105K-278"36-112028L1-43 as Pentode32-72751.251702850
106K-288"36-1133800 (Code 122). . . . . . .See Note 71.25. . . . . . .4.2
107K-298"36-113674, 642Push-Pull 48's, Class A32-73091.25200115
108K-318"36-115197B, 98B, 640B, 645BPush-Pull 42's as Pentodes25851.25680435
109K-328"36-1160630B, 6351-42 as Pentode32-71781.25260435
110K-348"37-640BPush-Pull 6F6G's as Pentodes32-76341.11700660
111K-358"36-123137-650B, 37-665B, 37-2650BPush-Pull 6F6G's as Pentodes32-76341.11700460
112K-368"36-123337-660BPush-Pull 6F6G's as Pentodes32-76341.117002200
113K-378"36-123537-670BPush-Pull 6F6G's as Triodes32-76381.113501125
114K-388"36-126237-620CS, 37-630T, 37-2620CS1-6F6G as Pentode25801.254501140
115K-398"36-128538-5BPush-Pull 6F6G's as Pentodes32-77541.25650660
116K-418"38-7T, 38-7CS1-6F6G as Pentode32-78621.254001140
117KR8"36-1002Central Control System(10000 Impedance on Line)32-70051680PM
118KR-28"36-100438B, 38L1-19 as Class B Triode25651680PM
119KR-38"36-1022Model 12 (Coast Guard)Push-Pull 41's as Pentodes25851680PM
120KR-48"36-1085Central Control System(4000 Impedance on Line)32-70141170PM
121KR-58"36-1097Replacement for R, R-2, R-4, R-51-33 as Pentode25801450PM
122KR-68"36-110034B, 34L1-19 as Class B TriodeSee Note 71. . . . . . .PM
123KR-78"36-112139B, 39F, 623, 643 (Also Replaces KR-6)1-19 as Class B TriodeSee Note 71.25. . . . . . .PM
124KR-88"6231-19 as Class B TriodeSee Note 71.25. . . . . . .PM
125KR-98"36-1128Replaces KR-51-33 as Pentode25801.25450PM
126KR-108"36-113538B, 38L (Also Replaces KR-2)1-19 as Class B Triode25851.25450PM
127KR-138"651B2-43's as Pentodes32-75085PM
128KR-178"36-124837-38B, 37-38F, 37-623B, 37-624B, 37-643B1-1J6G as Class B Triode32-76395680PM
129KR-188"36-124937-641B2-25A6G's as Pentodes32-76625170PM
130KR-268"36-135338-33F, 38-34F, 38-38T, 38-39T1-1E7G as Class B Pentode32-77585685PM
131KR-278"36-136038-23T2-25L6G's32-7863595PM
132KR-288"36-137738-22T, 38-22CS2-25L6G's32-7863595PM
133KR-298"36-137938-35, 38-40T1-6K6G as Pentode32-79365625PM
134L8"30Push-Pull 31's. . . . . . .. . . . . . .. . . . . . .Magnetic
135L2B8"36-125637-33, 37-341-1E7G as Class B Pentode. . . . . . .. . . . . . .. . . . . . .Magnetic
136L-38"36-1359-138-33B, 38-34B1-1E7G as Class B Pentode. . . . . . .. . . . . . .. . . . . . .Magnetic
137M ‡8"Separate SpeakerPush-Pull 71A's27660.75003100
138N ‡8"46 Baby Grand, 46 HighboyPush-Pull 71A's27660.750080
139N-2 ‡8"0297746 Baby Grand, 46 HighboyPush-Pull 71A's27660.750080
140P ‡5"0294750 Baby Grand, 51 Baby Grand1-47 as Pentode266013601140
141P-2 ‡5"0286052B, 52C1-47 as Pentode266013601140
142P-4 ‡5"0268048B, 48C1-43 as Pentode2520117550
143P-5 ‡5"02679801-42 as Pentode266013601140
144P-6 ‡5"02666801-42 as Pentode266013601140
145P-85"36-101281 (Also Replaces P-5 & P-6)1-42 as Pentode32-701914001140
146P-105"36-10145 (Transitone) (6 Volt)1-41 as Pentode32-704214506
147P-115"36-10185 (Transitone) (6 Volt)1-41 as Pentode32-706514506
148P-125"36-10235 (Transitone) (12 Volt)1-41 as Pentode32-7065145024
149P-165"36-1069Replacement for P and P-21-47 as Pentode32-707614001140
150P-175"36-1070Replacement for P-41-43 as Pentode32-7191117550
151P-185"36-109811 (Transitone)1-42 as PentodeSee Note 71. . . . . . .6
152P-195"36-110145C1-42 as PentodeSee Note 71. . . . . . .1140
153P-215"36-111428C1-43 as PentodeSee Note 71. . . . . . .2850
154P-225"36-111229TX1-42 as PentodeSee Note 71. . . . . . .700
155P-235"36-111511-T (Transitone) (12 Volt)1-42 as PentodeSee Note 71. . . . . . .24
156P-245"36-113411 (Transitone)1-42 as Pentode32-724514006
157P-275"36-1159610B1-42 as Pentode32-701914001146
158P-285"36-1172611B1-43 as Pentode32-739512002850
159PR36-100053C1-43 as Pentode32-70001.35200PM
160R8"0294135B, 35H1-33 as Pentode26461450PM
161R-28"0288835B, 35H1-33 as Pentode26461450PM
162R-38"02753Extension Speaker(15000 Impedance on Line)25511680PM
163R-48"0274836B, 36H, 36L1-33 as Pentode26461450PM
164R-58"0270936B, 36H, 36L1-33 as Pentode26461450PM
165R-68"0270837C, 37L1-19 as Class B Triode25281680PM
166R-78"02619Central Control System(10000 Impedance on Line)25851680PM
167S ‡8"0291250 Baby Grand (early), 50 Lowboy, 51 Lowboy, 52L1-47 as Pentode266013601140
168S-2 ‡8"0285824L, 50 Lowboy, 51 Lowboy, 52L1-47 as Pentode266013601140
169S-4 ‡8"0267248L1-43 as Pentode2520117550
170S-78"36-100960, 260B, 37-60, 37-61, 37-62, 37-610B, 37-610T, 37-620B, 37-2620B, 38-62, 38-9T, 38-10T, 38-60, 38-6201-42 as Pentode32-701914001140
171S-98"36-1071Replacement for S & S-21-47 as Pentode32-707614001140
172S-108"36-1072Replacement for S-41-43 as Pentode32-7191117550
173S-118"36-1107700 (Transitone)1-42 as PentodeSee Note 71. . . . . . .6
174S-128"36-111666B, 66S1-42 as Pentode32-701914001140
175S-138"36-1130Q, 700 (Transitone)1-42 as PentodeSee Note 71. . . . . . .6
176S-148"36-1144610F, 610T, 620, 6251-42 as Pentode32-701914001140
177S-158"36-1173611F, 611T, 37-611B, 37-611F, 37-611T1-43 as Pentode32-739512002850
178S-168"36-122537-89, 38-891-6F6G as Pentode32-70191400
179S-188"38-14CS1-43 as Pentode32-739513003000
180S-198"36-138238-15CS1-41 as Pentode32-701914001700
181SB8"36-107384B, 267, 37-84B1-42 as Pentode32-701914001140
182U10-1/2"36-101714LZX (Code 121)Push-Pull 42's as Pentodes32-70512.286806500
183U-210-1/2"36-101916L, 16PX, 16RX, 16X, 17D, 17L, 17RX, 17X, 500, 501Push-Pull 42's as Triodes32-70522.283501450
184U-310-1/2"36-103914L (Code 122), 14X (Code 122), 14RX (Code 123)Push-Pull 42's as Triodes32-70522.283501140
185U-410-1/2"36-1088Central Control System(4000 Impedance on Line)32-72002.281686500
186U-510-1/2"36-1089Central Control System(1000 Impedance on Line)32-72032.28326500
187U-610-1/2"36-1090Central Control System(500 Impedance on Line)32-72042.28326500
188U-710-1/2"36-1108200X, 201XPush-Pull 42's as Triodes32-72473.93501450
189U-810-1/2"36-1139509XPush-Pull 42's as Triodes32-72473.93501450
190U-910-1/2"36-1162116XPush-Pull 6A3's32-74463.92201450
191U-1010-1/2"36-1171680XPush-Pull 6A3's32-74613.92201140
192U-1510-1/2"36-125237-675XPush-Pull 6F6G's as Triodes32-7685 (32-7727)22601140
193U-2810-1/2"36-136138-1Push-Pull 6F6G's as Pentodes32-79143.94601140
194W14"36-121937-116Push-Pull 6B4G's32-77173.9255350
195W-214"36-128237-690 (Woofer)Push-Pull 6B4G's32-77533.92004500
196W-414"36-128438-116 (Code 121)Push-Pull 6L6G's32-77513.9375350
197W-514"36-136338-116 (Code 125)Push-Pull 6L6G's32-77513.9375350
198W-614"38-690 (Woofer)Push-Pull 6L6G's32-79053.94104300
1993"36-15323.2PM
2004"36-14693 .0500
2014"36-15173.2PM
2025"36-15103.51700
2035"36-142611700
2045"36-14613.11700
2055"36-14443.13000
2065"36-14843.51800
2075"36-14863.23500
2085"36-15213.2PM
2095"36-14763PM
2105"36-14823PM
2115"36-15263.2PM
2125"36-15063PM
2135"36-14513PM
2145"36-13415.25PM
2156"36-14723PM
2166"36-14365.5PM
2176 - 6 1/2"36-151951075
2186 - 6 1/2"36-15253.3500
2196 - 6 1/2"36-145251600
2206 - 6 1/2"36-13450.951700
2216 - 6 1/2"36-13620.953000
2226 - 6 1/2"36-143952000
2238"36-14473PM
2248"36-14883PM
2258"36-14553PM
2268"36-141!03.51700
2278"36-14453.53000
2288"36-14535800
22910"36-15183PM
23010"36-15133.51700
23110"36-14853830
23210"36-14595830
23310"36-14875.11800
23410"36-14375.12000
23512"36-14563 .0PM
23612"36-15145.11100
23712"36-14385.12400
23812"36-14895. 11800
23912"36-15245.1860
24014"36-15155.1860
24114"36-15235.11100

Note 1 – Output transformer designed to carry two speaker voice coils in parallel – with K-12.
Note 2 – Output transformer designed to carry two speaker voice coils in series – with K-10.
Note 3 – No output transformer on speaker; this speaker paired with K-9.
Note 4 – No output transformer on speaker; this speaker paired with H-7.
Note 5 – Output transformer designed to carry two speaker voice coils in parallel – with K-15.
Note 6 – No output transformer on speaker; this speaker paired with K-14.
Note 7 – No output transformer on speaker; output transformer is on chassis.