Tube Guitar Amplifier - Output Transformers 1750 Series

REPLACEMENT & UPGRADES

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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.

Part Details

Click Part No, below, for details (e.g., Product drawings, assembly instructions, ship weight)

Fender (Output Transformers)

Hammond P/N Fender Amp Similar Fender P/N's* Fender Chassis No.s* Pri Ohms Sec Ohms Amplifier Type Watts Winding
1750B 5482 8 Single Ended 10 Paper
1750AX 7500 8 Single Ended 3.5 Bobbin
1750C Bronco* Champ* Princeton* Vibro Champ* Harvard* 125A35A, 022905, 125A3A Blackface*, Silverface*, AA764, AB764 Tweed*, 5C1, 5E1, 5F1, Vibro Blackface* 5,000/8,000 3.2 Single Ended 5 Bobbin
1760C Bronco* Champ* Princeton* Vibro Champ* Harvard* 125A35A, 022905, 125A3A Blackface*, Silverface*, AA764, AB764 Tweed*, 5C1, 5E1, 5F1, Vibro Blackface* 5,000/8,000 3.2, 8, 16 Single Ended 5 Bobbin
1760CP Bronco* Champ* 125A35A, 022905, 125A3A Blackface*, Silverface*, AA764, AB764 Tweed*, 5C1, 5E1, 5F1, Vibro Blackface* 5,000/8,000 4, 8 Single Ended 5 Paper
1750A 22800 8 Single Ended 3.5 Bobbin
1760JB Bandmaster* 45216, 1846, 1848 Tweed 6,000 C.T. 2.67, 4, 8 Push-Pull 40 Bobbin
1750W Bassman 100* Quad Reverb 100* Showman* Super Six Reverb 100* Twin Reverb* Twin Reverb 65 Reissue* 125A29A, 022689, 022889, 022899, 037612 2,000 C.T. 4 Push-Pull 100 Paper
1760W Bassman 100* Quad Reverb 100* Showman* Super Six Reverb 100* Twin Reverb* Twin Reverb 65 Reissue* 125A29A, 022689, 022889, 022899, 037612 2,000 C.T. 4, 8, 16 Push-Pull 100 Paper
1750WA Bassman 100* Quad Reverb 100* Showman* Super Six Reverb 100* Twin Reverb* Twin Reverb 65 Reissue* 125A29A, 022689, 022889, 022899, 037612 2,000 C.T. 2, 4, 8 Push-Pull 100 Bobbin
1750WR Bassman 135* Super Six 135* Vibrosonic Reverb 100* 13691 2,000 C.T 4, 8 Push-Pull 135 Paper
1750D Tone Master* Twin Red Knob* 26478 2,350 C.T. 4, 8, 16 Push-Pull 100 Paper
1750J Bandmaster* Tremolux* Pro* 125A6A, 022848, 125A7A Blonde, 6G7-A, Blackface, AA763, AB763, Silverface, AC568, AD1269, Blackface Reverb,Reverb, Reverb AA763, Silverface Reverb, Reverb AA1069, Reverb AA270 4,000 C.T. 4 Push-Pull 40 Bobbin
1760J Bandmaster* Tremolux* Pro* 125A6A, 022848, 125A7A Blonde, 6G7-A, Blackface, AA763, AB763, Silverface, AC568, AD1269, Blackface Reverb,Reverb, Reverb AA763, Silverface Reverb, Reverb AA1069, Reverb AA270 4,000 C.T. 42468 Push-Pull 40 Bobbin
1750K Bassman* Super* 125A9A, 022855 Tweed 4,000 C.T. 2 Push-Pull 50 Paper
1760K Bassman* Super* 125A9A, 022855 Tweed 4,000 C.T. 2, 4, 8 Push-Pull 50 Paper
1750KA Bassman 59 Reissue* Concert* Vibro King* 36485, 125A9A, 022855 6G12, 6G12A, AA763, Blackface*, Brownface* 4,150 C.T. 2 Push-Pull 50 Paper
1750L Bassman* Hot rod Deville* Concert II* 022871, 125A13A 5F6, 5F6A, 10, Blackface, AA864, AA165, AB165, Silverface, AA270 4,200 C.T. 4 Push-Pull 60 Paper
1760L Bassman* Hot rod Deville* Concert II* 022871, 125A13A 5F6, 5F6A, 10, Blackface, AA864, AA165, AB165, Silverface, AA270 4,200 C.T. 4, 8, 16 Push-Pull 60 Paper
1750M Super Concert 93* Hot Rod Deville* 41754 4,200 C.T. 2, 4, 8 Push-Pull 60 Bobbin
1750JA Deluxe Blues* Hot Rod 47269, 50438 4,250 C.T. 4, 8 Push-Pull 40 Paper
1750H Deluxe* Deluxe 68 Custom Reverb* Deluxe Reverb 65 Reissue* 125A1A, 022640, 041318 6,600 C.T. 8 Push-Pull 20 Paper
1760H Deluxe* Deluxe 68 Custom Reverb* Deluxe Reverb 65 Reissue* 125A1A, 022640, 041318 6,600 C.T. 4, 8, 16 Push-Pull 20 Paper
1750F Blues Junior* Pro Junior* 49969 6,950 C.T. 8 Push-Pull 15 Paper
1760F Blues Junior* Pro Junior* 49969 6,950 C.T. 4, 8, 16 Push-Pull 15 Paper
1751M Vinrolux Tweed* Tweed Vibrolux 5F11 8,000 C.T. 4, 8, 16 Push-Pull 15 Bobbin
1750E Deluxe 5E3* Princeton* 50246 8,500 C.T. 8 Push-Pull 15 Bobbin
1750EP Deluxe 5E3* Princeton* 50246 8,500 C.T. 8 Push-Pull 15 Paper
1760E Deluxe 5E3* Princeton* 50246 8,500 C.T. 4, 8, 16 Push-Pull 15 Bobbin
1750AB Musicmaster Bass 26839 9000 C.T. 8 Push-Pull 12 Bobbin

Marshall (Output Transformers)

Model Names Similar to (MFG Part No.)
Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding (There may be more) (There may be more)
1750FA 7,000 C.T. 8, 16 Push-Pull 15 Bobbin DSL15H DSL-15 OPT
1750PA 8,400 C.T. 4, 8, 16 Push-Pull 18 Paper 18 Watt Combo -
1750NA 6,000 C.T. 8, 16 Push-Pull 30 - 60 Bobbin JTM30, JTM60 Drake 292-772
1750N 3,200 C.T. 4, 8, 16 Push-Pull 50 Bobbin JMP, JCM 800 -
1750P 3,400 C.T. 4, 8, 16 Push-Pull 50 Bobbin JCM 900 -
1750Q 7,371 C.T. 4, 8, 16 Push-Pull 50 Bobbin JTM 45 -
1750U 1,700 C.T. 4, 8, 16 Push-Pull 100 Bobbin JMP, JCM 800 C2668
1750X 1,700 C.T. 2, 4, 8, 16 Push-Pull 100 Bobbin JCM 900 -
1760CGPW 2,200 C.T 4, 8, 16 Push-Pull 100 Paper TSL100 -

VOX (Output Transformers)

Model Names Similar to (MFG Part No.)
Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding (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)

Model Names Similar to (MFG Part No.)
Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding (There may be more) (There may be more)
1750TY 3,800 C.T. 8 Ohms Push-Pull 50 Bobbin A-1312 YBA-1
1750S 5,100 C.T. 8 Ohms Push-Pull 25 Paper A-1339 YBA-2-B
1750TC 1900 C.T. 8 Ohms Push-Pull 120 Paper A-1332 YBA-3
1750Z 10,000 C.T. 8 Ohms Push-Pull 20 Paper A-1313 YBA-2
1750G 3,800 C.T. 4, 8, 16 Ohms Push-Pull 50 Paper Old # 92105 Unknown
1750R 2,000 C.T. 4, 8, 16 Ohms Push-Pull 100 Paper Old #89694 Unknown
1750YA 3,800 C.T. 8 Ohms Push-Pull 50 Paper A-1323 YBA-4
¹ Part number 93405 is built by special order only. Please contact Hammond's sales team for more information.

Orange (Output Transformers)

Model Names Similar to (MFG Part No.)
Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding (There may be more) (There may be more)
1750ORF 6,000 C.T. 8, 16 Push-Pull 35 Bobbin Rocker 30 OT119SL

Gibson (Output Transformers)

Model Names Similar to (MFG Part No.)
Part No. Pri Ohms Sec Ohms Amplifier Type (Watts) Bobbin/Paper Winding (There may be more) (There may be more)
1750TY 3,800 C.T. 8 Ohms Push-Pull 50 Bobbin A-1312 YBA-1
1750S 5,100 C.T. 8 Ohms Push-Pull 25 Paper A-1339 YBA-2-B
1750TC 1900 C.T. 8 Ohms Push-Pull 120 Paper A-1332 YBA-3
1750Z 10,000 C.T. 8 Ohms Push-Pull 20 Paper A-1313 YBA-2
1750G 3,800 C.T. 4, 8, 16 Ohms Push-Pull 50 Paper Old # 92105 Unknown
1750R 2,000 C.T. 4, 8, 16 Ohms Push-Pull 100 Paper Old #89694 Unknown
1750YA 3,800 C.T. 8 Ohms Push-Pull 50 Paper A-1323 YBA-4
* DISCLAIMER: Hammond Mfg. is not affiliated with Fender Musical Instruments Corp., Marshall Amplification, Yorkville/Traynor, AMPEG or VOX, Gibson Amplification companies. Amplifier model names are trademarks of the Amplifier companies and are just listed here for reference purpose only.

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Data subject to change without notice.

Tags: classic transformer, replacement, guitar, amplifier, traynor, yorkville, gibson, fender, marshall, drop-in