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Home » NEWEST Products » New by Manufacturer » Hammond Manufacturing » Hammond 140 EX Series Studio Grade Impedance Matching Audio Transformers
NEWEST Products
Hammond 140 EX Series Studio Grade Impedance Matching Audio Transformers

Hammond 140 EX Series Studio Grade
Impedance Matching Audio Transformers

Hammond's 140 EX Series Studio Grade Impedance Matching Audio Transformers operate in the 20 Hz to 20 KHz range. The metal can provides excellent shielding from a broad range of external sources. They are designed for maximum bandwidth and the lowest distortion at +10 dbm power level or less. The nickel core provides high permeability combined with low losses. Typical applications for these audio transformers include input/output isolation, line matching, driver, and hybrid applications.

Features
  • Studio grade frequency response: 20 Hz. - 20 Khz. (+/- 1 db, ref. @ 1 Khz.) minimum
  • Designed for maximum bandwidth, lowest distortion at +10 dbm power level or less
  • Excellent shielding - Mu metal case.
  • Insulated leads 5" (127mm) long minimum .
  • Case diameter of 1.25" (31.8mm) and height of 1" (25.4mm).

  • Adjustable height case bracket - mounting hole centers are 1.875" (47.6mm).
  • Net weight 3 oz

Applications
  • Input/output isolation
  • Line matching
  • Driver
  • Hybrid applications
Part Number Typical Applications Nominal
Impedance
(Ohms)
Overall
Turns
Ratio
Pri. To Sec.
Datasheet
Primary Secondary
140MEX Crystal/Ceramic MIC to Base 100K 1,500 8:1
140NEX Dynamic MIC to Base 50 1,500 1:5.5
140PEX Line to Base 150/600 600/2,400 1:2
140QEX Line to Line, Isolation 600 C.T. 600 C.T. 1:1
140REX Line to Line, Isolation 600 C.T. 150 2:1
140TEX Input/Output Isolation 1,000 1,000 1:1
140UEX Input/Output Isolation 10K 10K 1:1
  • Hammond Manufacturing
  • Passive Components|Audio & Signal Transformers