Transformers & Chokes

Hammond
Hammond Manufacturing offers a full range of transformers, chokes and enclosures.
- Replacements for Marshall amps
- 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".
Starting at $85.88
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Originally: $96.50

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 30 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$22.25
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Originally: $25.00

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Features:- Perfect for audio input, line matching, isolation or output transformer applications.
- 2 watt (± 1.5 dB, 300 Hz. - 50 kHz.).
- Epoxy potted in an attractive black molded case, Pin type P.C. board mount (min. 0.187" length).
- Power level ratings are maximum at lowest frequency rating
- Power can be increased slightly at higher frequencies.
- Will withstand soldering for 10 sec. @ 260 degrees C, ambient temp. 85 degrees C max.
$29.49
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Originally: $33.14

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Audio watts: 4Impedance: 5k ohms
D.C. Resistance: 178 ohms
Inductance: 44 henries
Rated D.C. Bias Current: 30 mA
Features:
- Designed for driver use ONLY in single ended tube output amplifiers. These units replace coupling capacitor circuits for improved sound.
- Closed style with minimum 8" long leads.
- All models use bifilar wound windings for exceptional coupling and bandwidth.
- Minimum frequency response 20 Hz. - 20 Khz (± 1db max. ref. 1 Khz.).
- The core is gapped to support the specified D.C.
$90.23
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Originally: $101.38

Special Order Item
- Application: Driver
- Primary Impedance: 4000 ohms
- Secondary Impedance: 600 ct
- Primary D.C.: 8 mA
- Primary D.C. Resistance: 340 ohms
- Secondary D.C. Resistance: 24 ohms
- Output: 135 mW
- Dimensions A: 1.63
- Dimensions B: 0.88
- Dimensions C: 0.81
- Dimensions D: 1.38
Features:
- Small, economical, open, two hole horizontal bracket mount.
- Insulated, color coded flexible leads, 4" long minimum
- Frequency response 150 Hz. to 15 Khz. (+/- 1 db, reference 1000 Hz.)
- When operating at impedances below nominal, power capability and the frequency spectrum are proportionately lower, conversely, at higher impedances power capability and frequency spectrum will be proportionately higher.
- Net weight: 0.5 oz.
$19.56
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Originally: $21.98

Special Order Item
- Application: Driver
- Primary Impedance: 10000 ohms
- Secondary Impedance: 2000 ct
- Primary D.C.: 5 mA
- Primary D.C. Resistance: 700 ohms
- Secondary D.C. Resistance: 89 ohms
- Output: 135 mW
- Dimensions A: 1.63
- Dimensions B: 0.88
- Dimensions C: 0.81
- Dimensions D: 1.38
Features:
- Small, economical, open, two hole horizontal bracket mount.
- Insulated, color coded flexible leads, 4" long minimum
- Frequency response 150 Hz. to 15 Khz.
$19.56
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Originally: $21.98

Special Order Item
- Operate on 50/60 Hz current
- Low profile, split bobbin design.
- Dual winding secondaries, non-concentrically wound
- Units are designed so that all windings must be used
- Low primary to secondary coupling - no electrostatic shield required.
- Universal dual primary 115/230V
- High insulation - Hipot of 2,500V RMS.
- Class B insulation - 130 degrees C.
$7.47
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Originally: $8.39

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 50 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$21.74
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Originally: $24.43

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 24 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$14.16
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Originally: $15.91

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 36 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
Starting at $21.24
Save 11%
Originally: $23.87

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 60 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$24.28
Save 11%
Originally: $27.28

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 16 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$10.80
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Originally: $12.14

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 18 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
$14.41
Save 11%
Originally: $16.19

- Primary 115 VAC, 60 Hz.
- Secondary 5 C.T.
- Center tapped secondary.
- Open style, channel bracket, two hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees, C).
- Hi-Pot test of 2,000 V RMS.
- UL listed (# E50394) & CSA certified (# LR3902).
Starting at $18.30
Save 11%
Originally: $20.56

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 25 C.T.
- All secondaries center tapped, VAC (RMS)
- Enclosed, 4 hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees C).
- Hi-Pot test of 2,000V RMS.
- UL listed (# E50394) & CSA certified (209651).
Starting at $33.06
Save 11%
Originally: $37.15

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 36 C.T.
- All secondaries center tapped, VAC (RMS)
- Enclosed, 4 hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees C).
- Hi-Pot test of 2,000V RMS.
- UL listed (# E50394) & CSA certified (209651).
$37.68
Save 11%
Originally: $42.34

Special Order Item
- Primary 115 VAC, 60 Hz.
- Secondary 50 C.T.
- All secondaries center tapped, VAC (RMS)
- Enclosed, 4 hole chassis mount.
- Minimum 6" long leads.
- Dual bobbin design - no electrostatic shield required.
- Class B insulation (130 degrees C).
- Hi-Pot test of 2,000V RMS.
- UL listed (# E50394) & CSA certified (209651).
$52.17
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Originally: $58.62

Special Order Item
Capacity: 100 VAFeatures:
- Primary 115VAC, 60 Hz.
- Secondary taps @ 90, 100, 110, 115, 120 & 130VAC
- Electrostatic shield between primary & secondary
- Connection by flexible leads, 8" minimum length
- Perfect for critical line voltage needs (examples: older "classic" tube equipment or Japanese 100V equipment).
- CSA certified (# LR3902)
- Remember - These units do NOT convert line frequency
$65.21
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Originally: $73.27

Special Order Item
Capacity: 500VA Features:- Single winding does not provide isolation, for use where equipment is already isolated and only voltage change is required.
- World wide applications, 50 or 60 Hz.
$143.32
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Originally: $161.03

Special Order Item
Specifications- VA: 30
- VAC Secondary (RMS) Series: 12V C.T. @ 2.5A
- VAC Secondary (RMS) Parallel: 6V @ 5A
Features:
- Dual Secondary
- Open Toroid Center
- Low profile, lightweight, cool running - due to high efficiency toroidal design
- Dual 117/234 VAC primary, 50/60 Hz.
$60.67
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Originally: $68.17

Special Order Item
Secondary VAC: 10V C.T.Current: 5 A
VA Rating: 50
Features:
- Single Primary 115VAC
- Operates on 50/60 Hz.
- Combination solder or quick connect terminals.
- Split bobbin construction eliminates the need for an electrostatic shield.
- Hi-pot tested to 2 KV RMS.
- Economical open style, channel frame - chassis mount design
- UL recognized & CSA certified.
$17.02
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Originally: $19.12

Special Order Item
- Single Primary 115VAC
- Operates on 50/60 Hz.
- Combination solder or quick connect terminals.
- Split bobbin construction eliminates the need for an electrostatic shield.
- Hi-pot tested to 2 KV RMS.
- Economical open style, channel frame - chassis mount design
- UL recognized & CSA certified.
Starting at $9.12
Save 11%
Originally: $10.25

Special Order Item
Secondary VAC: 12.6V C.T.Current: 4 A
VA Rating: 50.4
Features:
- Dual Primary 115/230VAC
- Operates on 50/60 Hz.
- Combination solder or quick connect terminals.
- Split bobbin construction eliminates the need for an electrostatic shield.
- Hi-pot tested to 2 KV RMS.
- Economical open style, channel frame - chassis mount design
- UL recognized & CSA certified.
$17.38
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Originally: $19.53

Special Order Item
Size: 48 VASecondary Series: 40V C.T. @ 1.2A
Secondary Parallel: 20V @ 2.4 A
Features:
- Low profile mounting, dual - split bobbin design.
- Low primary to secondary coupling, balanced windings, no electrostatic shield required and low EMF radiation due to semi-toroidal design.
- Universal dual primary 115/230V - 50/60 Hz.
- High insulation - Hipot of 1,750V RMS.
- Class B insulation - 130 degrees C.
- C UL US recognized.
$27.01
Save 11%
Originally: $30.35