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P-T125XSETransformer - Hammond, Universal Single Ended
  • Designed for general purpose or replacement use (not Hi-Fi), in single ended, tube output circuits.
  • Frequency response: 100 Hz. - 15 Khz (± 1db max. - ref. 1 Khz). (For full frequency response (20 Hz. to 20 Khz.) - see P-T1627SE).
  • For push-pull output use, see P-T125A - optimized for push-pull tube output circuits.
  • Open style with minimum 12" long primary & secondary leads leads.
  • All sizes use butt stacked cores (using 29M6 steel) with an air gap, to reduce D.C. core saturation.
  • Primary impedance range from 2,500 to 10,000 Ohms.
  • Secondary impedance range from 4 to 32 Ohms.





Part No.
Audio Power
Max D.C. Bias
Dimensions (Inches)


A
B
C
D
E
G Mtg.
Starting at $45.84
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Transformer - Hammond, Tube Driver Interstage
Audio watts: 4
Impedance: 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.
$83.64
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P-T140-XTransformer - Hammond, Studio Grade Impedance Matching, 140 Series

Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum. Excellent frequency response utilizing a 80% nickel core providing high permeability combined with low losses. Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less. Plated steel cans, adjustable height case bracket.


Starting at $59.51
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P-T143Transformer - Hammond, Power, 350-0-350V, 70-90 mA

Custom manufactured to replace most 6 and 7 tube sets of the early 1930s. Supplied with vertical mounting shells. Provides a seperate filament winding for audio output stages. Specifications Rating: 350-0-350 V, 70 or 90 mA (if 5 V winding is used with 2 A rectifier) Windings: 5 V, 3 A; 2.5 V, 7.5 A; 2.5 VCT, 3.5 A Mounting Centers:2 x 2.625" Weight: 4.2 lbs. Overall Height: 3.12"


$105.95
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P-T143-XTransformer - Hammond, 143 Series, Audio Chassis Mount

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.


Part No. Applicaton Nominal Impedance (Ohms) Primary D.C. D.C.


$27.95
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P-T144-XTransformer - Hammond, 144 Series, Audio Chassis Mount

Special Order Item

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.

$18.14
Note: special order items require additional lead time. See our page on special order items.
Note: this is a special order item.
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P-T145-XTransformer - Hammond, 145 Series, Audio Chassis Mount

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.

$18.14
Note:
P-T145D: 200kΩ / 1kΩ
P-T145A: 100Ω / 200Ω
P-T145O: 15kΩ / 200Ω
P-T145P: 20kΩ / 1kΩ
P-T145R: 20kΩ / 2kΩ
P-T145G: 2kΩ / 200Ω
P-T145H: 2kΩ / 500Ω
P-T145L: 4kΩ / 2.6kΩ
P-T145C: 50kΩ / 1.5kΩ
P-T145F: 600Ω / 200Ω
P-T145E: 600Ω / 600Ω ct
are special order items.
Note: some of these items are special order items.
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P-T146-XTransformer - Hammond, 146 Series, Audio Chassis Mount

Special Order Item

Features:



  • Small, economical, open, two hole horizontal bracket mount.
  • Insulated, color coded flexible leads, 3" 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.

$18.14
Note: special order items require additional lead time. See our page on special order items.
Note: this is a special order item.
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P-T154-P-T156-XFilter Choke - Hammond, Open Bracket

Features



  • Economical "open bracket" - channel mount.
  • Tolerance of 15% on both inductance & resistance.
  • Inductances measured at rated D.C.

Starting at $13.02
Note:
P-T155B: 6 mH / 2 A
P-T154G: 9 H / 40 mA (700 ohm)
P-T155C: 60 H / 8 mA
are special order items.
Note: some of these items are special order items.
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P-T156Transformer - Audio Interstage, 10 mA

Equivalent to Stancor A53-C. 1:3 ratio overall. Center tapped secondary may be used for push-pull grids.Specifications Max. Primary Current: 10 mA Impedance Primary to Secondary (Ohms): 10,000 to 90,000


$16.95
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(19 pages)
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