4/1/2019 Tube Guitar Amplifier - Output Transformers (1750 Series) - Hammond Mfg. Quality Products. Service Excellence. Tube Guitar Amplifier - Output Transformers 1750 Series REPLACEMENT & UPGRADES Features Designed for drop in replacement of original units. Physically, parts were designed to look similar to original factory units (where possible). Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone". Output transformers marked UPGRADE (below) allow for more versatility by added secondary connections that did not exist on the original units. Fender (Output Transformers) Sec Amplifier Bobbin/Paper Part No. Pri Ohms Ohms Type Watts Winding 1750A 22800 8 1750AX 7500 8 1750B 5482 1750C 5,000/8,000 1760C 5,000/8,000 1750E 8,500 C.T. 1760E 8,500 C.T. 1750F 6,950 C.T. 1760F 6,950 C.T. 1750H 6,600 C.T. 1760H 6,600 C.T. 1750J 4,000 C.T. Single Model Names Similar to (MFG Part No.) (There may be more) (There may be more) 3.5 Bobbin Reverb Driver 125A20B & 022921 Single Ended 3.5 Bobbin 1964 Blackface 6G15 Reverb 125A12A, 47605 8 Single Ended 10 Paper Reverb Driver - Vibro King 24038 3.2 Single Ended 5 Bobbin (Bronco, AA764, AB764, Blackface, Silverface) (Champ, Tweed, 5C1, 5E1, 5F1, AA764, Blackface, Silverface, Vibro Blackface) (Harvard, 6G10) (Princeton Tweed, 5B2, 5C2, 5D2, 5E2, 5F2, 5F2A) 125A35A & 022905 3.2, 8, Single 16 Ended 5 Bobbin 8 Push-Pull 15 Bobbin (Harvard 5F10) (Princeton Brown, AA964, Blackface, Silverface) (Princeton Reverb AA1164, AA764, B1270, Blackface, Silverface) 125A10B & 022913 4, 8, Push-Pull 16 15 Bobbin (Harvard 5F10) (Princeton Brown, AA964, Blackface, Silverface) (Princeton Reverb AA1164, AA764, B1270, Blackface, Silverface) 125A10B & 022913 Push-Pull 15 Paper Blues Junior 49969 4, 8, Push-Pull 16 15 Paper Blues Junior 49969 Push-Pull 20 Paper Deluxe, Deluxe Reverb 125A1A & 022640 4, 8, Push-Pull 16 20 Paper Deluxe, Deluxe Reverb 125A1A & 022640 40 Bobbin Pro-Reverb, Tremolux, Vibrolux, Vibroverb 125A6A, 125A7A & 022848 8 8 4 Ended Push-Pull (Bronco, AA764, AB764, Blackface, Silverface) (Champ, Tweed, 5C1, 5E1, 5F1, AA764, Blackface, Silverface, Vibro Blackface) (Harvard, 6G10) 125A35A & 022905 (Princeton Tweed, 5B2, 5C2, 5D2, 5E2, 5F2, 5F2A) https://www.hammfg.com/electronics/transformers/classic/1750 1/3 4/1/2019 Tube Guitar Amplifier - Output Transformers (1750 Series) - Hammond Mfg. Sec Amplifier Bobbin/Paper Part No. Pri Ohms Ohms Type Watts Winding Model Names Similar to (MFG Part No.) (There may be more) (There may be more) 4, 8, Push-Pull 16 40 Bobbin Pro-Reverb, Tremolux, Vibrolux, Vibroverb 125A6A, 125A7A & 022848 1760J 4,000 C.T. 1750JA 4,250 C.T. 4, 8 Push-Pull 40 Paper Hot Rod Deluxe 50438 1760JB 6,000 C.T. 2.67, Push-Pull 4, 8 40 Bobbin Bandmaster Tweed, Pro Tweed, Super Brownface, Super Tweed 045216, 1846, 1848 1750K 4,000 C.T. Push-Pull 50 Paper Tweed Bassman, Super Reverb 125A9A & 022855 1760K 4,000 C.T. 2, 4, 8 Push-Pull 50 Paper Tweed Bassman, Super Reverb 125A9A & 022855 1750KA 4,150 C.T. Push-Pull 50 Paper 59 Bassman 36485 Hot Rod DeVille, Hot Rod DeVille 212, Blues DeVille, Blues DeVille 212, 93 125A13A & 18343, 1750M 4,200 C.T. 2, 4, 8 Push-Pull 60 Paper Concert, 93 Super, Super 60, Super 112, Super 210, Concert II, Super Reverb 41754, 22871, 45249, 22855, 125A9A, 36485 1750L 4,200 C.T. Push-Pull 60 Paper Bassman, Hot Rod Deville 125A13A & 022871 1760L 4,200 C.T. 4, 8, Push-Pull 16 60 Paper Bassman, Hot Rod Deville 125A13A & 022871, 048832 1750W 2,000 C.T. Push-Pull 100 Paper Dual Showman, Twin Reverb, Super Six 125A29A & 022889 4, 8, Push-Pull 100 Paper 16 Dual Showman, Twin Reverb, Super Six 125A29A & 022889 Tone Master 26478 1760W 2,000 C.T. 1750D 2,350 C.T. 2 2 4 4 4, 8, 16 Push-Pull 100 Paper 1750WA 2,000 C.T. 2, 4, 8 Push-Pull 100 Bobbin 1750WR 2,000 C.T 4, 8 Push-Pull 135 Bobbin Dual Showman, Twin Reverb, Super Six - Bassman 135, Twin Reverb, Vibrosonic Reverb 13691 Marshall (Output Transformers) Model Names Similar to (MFG Part No.) (There may be more) (There may be more) Bobbin DSL15H DSL-15 OPT Paper 18 Watt Combo - JTM30, JTM60 Drake 292-772 Bobbin JMP, JCM 800 - 50 Bobbin JCM 900 - 50 Bobbin JTM 45 - Push-Pull 100 Bobbin JMP, JCM 800 - Push-Pull 100 Bobbin JCM 900 - Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding 1750FA 7,000 C.T. 8, 16 Push-Pull 15 1750PA 8,400 C.T. 4, 8, 16 Push-Pull 18 1750NA 6,000 C.T. 8, 16 Push-Pull 1750N 3,200 C.T. 4, 8, 16 Push-Pull 50 1750P 126, 500, 2,000 2, 4, 8, 16 Push-Pull 1750Q 7,371 C.T. 4, 8, 16 Push-Pull 1750U 1,700 C.T. 4, 8, 16 1750X 126, 500, 2,000 2, 4, 8, 16 30 - 60 Bobbin VOX (Output Transformers) Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding Model Names Similar to (MFG Part No.) (There may be more) (There may be more) 1750Y 6,200 C.T. 8 Push-Pull 15 Bobbin AC15 - 1750V 4,000 C.T. 8, 16 Push-Pull 30 Paper AC30 Vintage - 1750T 4,000 C.T. 8, 16 Push-Pull 30 Bobbin AC30 Reissue - Yorkville/Traynor (Output Transformers) Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding Model Names Similar to (MFG Part No.) (There may be more) (There may be more) 1750Z 10,000 C.T. 8 Push-Pull 20 Paper Bass Mate YBA-2 A1313 1750S 5,100 C.T. 8 Push-Pull 25 Paper Base Mate YBA-2B A1339 1750G 3,800 C.T. 4, 8, 16 Push-Pull 50 Paper Replaces 92105 A1312 1750R 2,000 C.T. 4, 8, 16 Push-Pull 100 Paper Replaces 98694 A1301 93405 1900 C.T. 8 Push-Pull 120 Paper YBA-3 A1332 Part number 93405 is built by special order only. Please contact Hammond's sales team for more information. https://www.hammfg.com/electronics/transformers/classic/1750 2/3 4/1/2019 Tube Guitar Amplifier - Output Transformers (1750 Series) - Hammond Mfg. Orange (Output Transformers) Part No. 1750ORF Pri Ohms Sec Ohms 6,000 C.T. 8, 16 Amplifier Type (Watts) Bobbin/Paper Winding Push-Pull 35 Bobbin Model Names Similar to (MFG Part No.) (There may be more) (There may be more) Rocker 30 OT119SL * DISCLAIMER: Hammond Mfg. is not affiliated with Fender Musical Instruments Corp., Marshall Amplification, Yorkville/Traynor, AMPEG or VOX Amplification companies. Amplifier model names are trademarks of the Amplifier companies and are just listed here for reference purpose only. Data subject to change without notice (c) 2019. Hammond Manufacturing Ltd. All rights reserved. https://www.hammfg.com/electronics/transformers/classic/1750 3/3