Transformers & Chokes | Amplified Parts

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Audio Transformer - Hammond, 150/600Ω, Line Isolation

Special Order Item

150/600 Ohm Primary Impedance
300/1200 Ohm Secondary Impedance
Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
Sealed case and wax potted core internally for stable characteristics and long life.
Wide frequency response ± 0.5 db max. from 20 Hz. to 20 Khz. (except units over 5K ohms impedance, may be down 1 db @ 20 Khz.)
Insertion loss of apx. 1 db.
Maximum power level +15 dbm. with specified characteristics, or higher levels with reduced low frequency performance.
Distortion is apx. 1.5% @ 20 Hz. under full power.
Electrostatic shield between pri. & sec. connected to the green lead.
Humbucking construction
Balanced split windings on pri. & sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching.
Lead length: Min. 4"

$146.²²

Audio Transformer - Hammond, 30W, 3.5kΩ, 42H, Tube Output

Special Order Item

"Over designed" for high fidelity, single ended, Class-A, tube output circuits (triode, tetrode or pentode tubes).
Enclosed (shielded), four slot, chassis Type "X" mounting.
Frequency response at least 20 Hz. to 20 Khz. at full rated power (+/- 1 db max., ref. 1 Khz.)
Insulated flexible leads 8" min.
For maximum versatility, all units include a 40% screen tap for Ultra-Linear, tetrode/pentode operation (if desired).
High quality laminations, (M6) grain oriented silicon steel.
Core is gapped to reduce core saturation in Class-A tube amplifier circuits.

$193.⁰¹

Audio Transformer - Hammond, 60W, 6.6kΩ, Push-Pull Tube Output

Special Order Item

Designed for push-pull tube output circuits.
Units are designed to provide ample "headroom" at bass frequencies
Has a secondary tap for 4, 8 or 16 ohm outputs.
Enclosed (shielded), 4 slot, above chassis Type "X" mounting.
Manufactured with plastic coil forms for coil support and insulation.
Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz) minimum.
Insulated flexible leads 8" min.
Includes 40% screen taps for Ultra-Linear operation (if desired).
Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output.

$181.³¹

Choke - 0.17 - 250, Heavy Duty Hash Choke

Molded powdered iron core.
1-1/4 long axial leads.
High inductance & high current.
L measured at 1 Khz. Inductance: 250 µH20% tolerance
DC resistance ohms: .17
Self Resonant Frequency (MHz): 1.5
Maximum DC current amps: 2.5
Coil diameter (in): .43
Core Length (in): 1.25

$1.⁰⁸

Choke - Hammond, for Fender Bandmaster, Dual Showman, etc.

Replacement for Fender Bandmaster, Dual Showman, Pro Reverb, Twin Super Equivalent to Manufacturer part number 125C1A & 022699 Specifications:

Inductance ± 15%: 4 H
D.C. Current: 90 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs.

$17.⁸⁶

Choke - Hammond, for Fender Deluxe, Deluxe Reverb, etc.

Replacement for Fender Deluxe, Deluxe Reverb, Vibrolux, Vibrolux Reverb Equivalent to Manufacturer part number 125C3A & 022707 Specifications:

Inductance ± 15%: 4 H
D.C. Current: 50 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs.

$16.⁴²

Choke - Hammond, Replacement for Marshall Plexi

Replacement for Marshall Plexi Specifications:

Inductance ± 15%: 3 H
D.C. Current: 250 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

$22.¹⁴

Choke - Hammond, replacement for Marshall Plexi JCM800

Replacement for Marshall Plexi JCM 800.
Specifications:

Inductance ± 15%: 40 H
D.C. Current: 50 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

$35.¹²

Choke - Hammond, Replacement for Vox AC30 reissue

Replacement for Vox AC30 reissue
Specifications:

Inductance ± 15%: 5 H
D.C. Current: 150 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

$37.⁶³

Choke - Hammond, Replacement for Vox AC30 vintage

Replacement for Vox AC30 vintage
Specifications:

Inductance ± 15%: 30 H
D.C. Current: 100 mA

Features:

Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Inductances measured at rated D.C. current.
Material used & design specs. were kept as close as possible to the original part to preserve the stock "tone".
Units are vacuum impregnated with polyurethane varnish for quiet and long life operation.

$34.³⁶

Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output

The PRC-1 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.

$85.⁰⁰

Choke - One Electron, Audio, PRC-2, for Shunt Feed SE Output

The PRC-2 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.

$69.⁹⁵