- Series
- Mounting Type
- Frequency Range
- Frequency Response
- Termination Style
- Packaging
- Transformer Type
- Size / Dimension
- Part Status
- Height Seated (Max)
- Termination
- Mount
Attribute column
Manufacturer
Hammond Manufacturing Audio Transformers
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Factory Lead Time | Mount | Mounting Type | Package / Case | Weight | Packaging | Published | Series | Size / Dimension | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Termination | ECCN Code | Power Rating | Shielding | Current Rating | Frequency | Termination Style | Voltage - Isolation | Inductance | Current | Frequency Range | Insertion Loss | Insertion Loss (dB) | Transformer Type | Turns Ratio - Primary:Secondary | Return Loss | Impedance - Primary (Ω) | Frequency Response | Impedance - Secondary (Ω) | DC Resistance (DCR) - Primary | DC Resistance (DCR) - Secondary | Power Level | Height | Height Seated (Max) | REACH SVHC | RoHS Status | Lead Free |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 149H Hammond Manufacturing | 32 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | - | 0.063lb 28.58g | Bulk | - | 149 | 1.060Lx0.820W 26.92mmx20.83mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | - | - | 22mA | 200Hz~15kHz | 0.5dB | 1 dB | Economical Open Type | - | - | 1k | ±1dB | 240 60/60 | 155Ohm | 24Ohm | 200mW | 20.8mm | 0.820 20.83mm | - | ROHS3 Compliant | - | ||
 143R Hammond Manufacturing | 46 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.031lb 14.06g | Bulk | - | 143 | 1.000Lx0.690W 25.40mmx17.53mm | - | Active | - | Wire Leads | EAR99 | - | Unshielded | - | - | Wire Leads | - | - | 1mA | 150Hz~15kHz | - | 1 dB | Economical Open Type | - | - | 25k | ±1dB | 600CT | 1.89kOhm | 25Ohm | 30mW | 17.5mm | 0.690 17.53mm | - | ROHS3 Compliant | - | ||
 850GA Hammond Manufacturing | 2657 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | 600 | 453.59237g | Bulk | 2010 | 850A | 1.700Lx1.200W 43.18mmx30.48mm | yes | Active | Not Applicable | Wire Leads | EAR99 | - | - | - | - | Wire Leads | - | - | - | 20Hz~20kHz | 1dB | - | BROADCAST AUDIO TRANSFORMER | - | - | 600 150/150 | ±0.5dB | 600 150/150 | 71Ohm | 71Ohm | 15dB | - | 1.650 41.90mm | - | ROHS3 Compliant | - | ||
 1750V Hammond Manufacturing | 2431 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | - | 1750 | 3.125Lx3.325W 79.38mmx84.46mm | - | Active | Not Applicable | Wire Leads | - | - | - | - | - | Wire Leads | - | - | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 15.93:1 | - | 4kCT | ±1dB | 8 16 | 138Ohm | 720mOhm | 30W | - | 3.843 97.61mm | - | ROHS3 Compliant | Lead Free | ||
 801 Hammond Manufacturing | In Stock | - | - | - | Chassis Mount | Chassis Mount | 200 | 0.25lb 113.4g | Bulk | - | 800 | 1.752Lx1.252W 44.50mmx31.80mm | - | Obsolete | Not Applicable | Solder | EAR99 | - | Shielded | - | - | Solder Lug | - | - | 800μA | 50Hz~15kHz | - | 1 dB | Broadcast Quality | - | - | 200 50/50 | ±0.5dB | 200 50/50 | - | - | 15dB | 65.024mm | 2.559 65.00mm | - | RoHS Compliant | - | ||
 109F Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | 0.1lb 45.36g | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 2:1 | - | 600CT | ±1.5dB | 150CT | 36.65Ohm | 11.64Ohm | 2W | 23.4mm | 0.920 23.37mm | - | ROHS3 Compliant | - | ||
 1650PA Hammond Manufacturing | 2037 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 8lbs 3.6kg | Bulk | 2013 | A | 4.250Lx3.130W 107.95mmx79.50mm | - | Active | 1 (Unlimited) | Wire Leads | - | - | - | - | - | Wire Leads | 2000V @ 1 Second | - | 200mA | 30Hz~30kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | - | - | 6.6kCT | ±1dB | 4 8 16 | 71.34Ohm 80.42Ohm | 237mOhm 364mOhm 473mOhm | 60W | - | 3.810 96.77mm | - | ROHS3 Compliant | - | ||
 1750KA Hammond Manufacturing | 2062 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | - | Bulk | 2011 | 1750 | 4.050Lx3.136W 102.87mmx79.65mm | yes | Active | Not Applicable | Wire Leads | - | - | - | - | - | Wire Leads | 2000V @ 1 Second | - | - | 70Hz~15kHz | - | - | POWER TRANSFORMER | - | - | 4.15kCT | ±1dB | 2 | 45.53Ohm 49.09Ohm | 140mOhm | 50W | - | 3.563 90.50mm | - | ROHS3 Compliant | - | ||
 1750R Hammond Manufacturing | 2505 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | - | 1750 | 3.750Lx3.936W 95.25mmx99.97mm | - | Active | Not Applicable | Wire Leads | - | - | - | 5A | - | Wire Leads | - | - | - | 50Hz~12kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 11.11:1 | - | 2kCT | ±1dB | 4 8 16 | 25.72Ohm 12.86Ohm | 222mOhm | 100W | - | 4.623 117.42mm | - | ROHS3 Compliant | - | ||
 1750L Hammond Manufacturing | 2022 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | 2008 | 1750 | 4.050Lx3.050W 102.87mmx77.47mm | - | Active | Not Applicable | Wire Leads | - | 50W | Unshielded | - | - | Wire Leads | - | 106.1 H | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 31.16:1 | - | 4.2kCT | ±1dB | 4 | 46.48Ohm 51.04Ohm | 170mOhm | 60W | 88.9mm | 3.523 89.48mm | - | ROHS3 Compliant | - | ||
 119DA Hammond Manufacturing | 51 | - | - | 4 Weeks | Chassis Mount | Chassis Mount | - | 1.4lbs 635g | Bulk | 2001 | 119 | 3.280Lx2.350W 83.31mmx59.69mm | - | Active | Not Applicable | Wire Leads | EAR99 | 12W | Unshielded | - | - | Wire Leads | - | - | - | 30Hz~20kHz | - | 1 dB | Tube Driver and Speaker Matching | - | - | 600 | ±1dB | 4 8 | - | - | - | 50.8mm | 2.000 50.80mm | No SVHC | ROHS3 Compliant | - | ||
109J Hammond Manufacturing | 32 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | - | Bulk | 2000 | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.29:1 | - | 1kCT | ±1.5dB | 600CT | 64Ohm | 51.5Ohm | 2W | 23.4mm | 0.920 23.37mm | - | ROHS3 Compliant | - | ||
 108P Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | - | 0.08lb 36.29g | Bulk | - | 108 | 1.030Lx0.770W 26.16mmx19.56mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | 500Vrms | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 2.58:1 | - | 10kCT | ±1.5dB | 1.5kCT | 438Ohm | 110Ohm | 150mW | 19.6mm | 0.770 19.56mm | - | ROHS3 Compliant | - | ||
108K Hammond Manufacturing | 43 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | 0.08lb 36.29g | Bulk | - | 108 | 1.030Lx0.770W 26.16mmx19.56mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 1.58:1 | - | 1.5kCT | ±1.5dB | 600CT | 140Ohm | 66Ohm | 500mW | 19.6mm | 0.770 19.56mm | - | ROHS3 Compliant | - | ||
109N Hammond Manufacturing | 41 |
| Datasheet | 4 Weeks | Through Hole | Through Hole | 600 | - | Bulk | - | 109 | 1.315Lx0.930W 33.40mmx23.62mm | - | Active | Not Applicable | PC Pin | EAR99 | - | Unshielded | - | - | PC Pin | 100VRMS | - | - | 300Hz~50kHz | - | 1.5 dB | Miniature Epoxy Potted | 4.08:1 | - | 10kCT | ±1.5dB | 600CT | 660Ohm | 54Ohm | 2W | 23.4mm | 0.920 23.37mm | - | ROHS3 Compliant | - | ||
 140QEX Hammond Manufacturing | 47 |
| Datasheet | 4 Weeks | Chassis Mount, PCB | Chassis Mount | 600 | - | Bulk | 2012 | 140EX | 1.250Dia 31.75mm | yes | Active | Not Applicable | Screw | - | 5mW | Shielded | - | 20kHz | Screw Terminal | 500Vrms | - | - | 20Hz~20kHz | 1.1dB Typ | - | GENERAL PURPOSE AUDIO TRANSFORMER | 1:1 | 20dB Typ | 600CT | ±1dB | - | 72.4Ohm | 72.4Ohm | 10dB | 25.4mm | 1.000 25.40mm | - | ROHS3 Compliant | Lead Free | ||
140REX Hammond Manufacturing | 41 |
| - | 4 Weeks | Chassis Mount | Chassis Mount | - | 124.999993g | Bulk | 2012 | 140EX | 1.250Dia 31.75mm | yes | Active | Not Applicable | Screw | - | 5mW | Shielded | - | - | Screw Terminal | 500Vrms | - | - | 20Hz~20kHz | 1dB Typ | - | GENERAL PURPOSE AUDIO TRANSFORMER | 2:1 | 22.5dB Typ | 600CT | ±1dB | 150 | 72.4Ohm | 18.2Ohm | 10dB | 25.4mm | 1.000 25.40mm | - | ROHS3 Compliant | - | ||
806A Hammond Manufacturing | In Stock | - | Datasheet | 6 Weeks | - | Chassis Mount | - | - | - | - | 800A | 1.750Lx1.250W 44.45mmx31.75mm | - | Active | - | - | - | - | - | - | - | Wire Leads | - | - | - | 50Hz~15kHz | 1dB | - | Broadcast Quality | - | - | 7.5 30 | ±0.5dB | 10k 40k | - | - | 15dB | - | 2.560 65.02mm | - | ROHS3 Compliant | - | ||
1750Y Hammond Manufacturing | 2471 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | 2008 | 1750 | 2.500Lx3.328W 63.50mmx84.53mm | - | Active | Not Applicable | Wire Leads | - | - | - | - | - | Wire Leads | - | - | - | 70Hz~15kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 27.87:1 | - | 6.2kCT | ±1dB | 8 | 289Ohm | 480mOhm | 15W | - | 3.123 79.32mm | - | ROHS3 Compliant | - | ||
1750U Hammond Manufacturing | 2185 |
| Datasheet | 4 Weeks | Chassis Mount | Chassis Mount | - | 0.625lb 283.5g | Bulk | - | 1750 | 3.750Lx4.020W 95.25mmx102.11mm | - | Active | Not Applicable | Wire Leads | - | 100W | Unshielded | - | - | Wire Leads | - | 76.39 H | - | 50Hz~12kHz | - | 1 dB | Push-Pull Audiophile, Ultra-Linear - Tube Output | 10.40:1 | - | 1.7kCT | ±1dB | 4 8 16 | 15.36Ohm 16.56Ohm | 100mOhm 120mOhm | - | 116.84mm | 4.600 116.84mm | - | ROHS3 Compliant | - |