XS4400

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Quadfiler 1:1:1:1 matching transformer.

Availability: Product is built to order.

Ship date: 10 to 12 weeks

1 review(s) | Add your review

$28.87

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Design
Mathematically designed to produce a turns ratio of 1:1:1:1 for line level signals.

Primary/Secondary (Input/Output)
The transformer has four identical windings with a maximum voltage of 7.5Vrms.

Magnet Wire
All units are wound with the finest virgin copper magnet wire. All windings use heavy insulated wire to provide excellent manufacturing yield, lower customer cost and superior life.

The Core
EDCOR uses the finest M6 line grain oriented steel cores. Each unit is hand stacked to assure at least 92% stack.

The Bobbin
EDCOR's royal blue bobbin with black finishing tape.

Sheilding
This unit has an outer copper shielding around winding and core to help eliminate outside interference.

Termination/Mounting
This unit is designed for printed circuit board mounting. For footprint and suggested hole and pad size please see the dimensional drawing.

Overview
Specifications
Reviews
Product Files

Design
Mathematically designed to produce a turns ratio of 1:1:1:1 for line level signals.

Primary/Secondary (Input/Output)
The transformer has four identical windings with a maximum voltage of 7.5Vrms.

Magnet Wire
All units are wound with the finest virgin copper magnet wire. All windings use heavy insulated wire to provide excellent manufacturing yield, lower customer cost and superior life.

The Core
EDCOR uses the finest M6 line grain oriented steel cores. Each unit is hand stacked to assure at least 92% stack.

The Bobbin
EDCOR's royal blue bobbin with black finishing tape.

Sheilding
This unit has an outer copper shielding around winding and core to help eliminate outside interference.

Termination/Mounting
This unit is designed for printed circuit board mounting. For footprint and suggested hole and pad size please see the dimensional drawing.

Products specifications

Input Maximum Voltage	7.5Vrms
Turns Ratio	1:1:1:1
Input	Line Level
Output	Line Level
DC Resistance	116 Ohms (each winding)
Frequency Response	10~50K Hz., <1dBu
THD+Noise	<0.01% @ 1K Hz.
Shielding	Yes
Shielding	Tin-plated copper EMI shielding tape
Bobbin Material	Nylon 6/6 GF-30
Flammability Rating	Class B 130°C
Core Material	M-6 29 ga. grain oriented lamination steel
Secondary Insulation (transformer)	Clear air dry polyester varnish
Termination	12 pin PCB
Mounting	Printed circuit board mounted (PCB)
Weight	0.4 lbs.
Compliance	RoHS & REACH

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Existing reviews

Excellent quadfilar output transformer at a fair price

As a long-time audio engineer and recordist, I've mostly used higher-priced output transformers from Cinemag, Jensen, UTC over the years and more recently from Ed Anderson. While I still love all the above, I've found that I can match the performance and sound that I need while saving money with this XS4400 quadfilar wound transformer.
They measure great with 1K square waves, but the real test is how they sound. I wouldn't hesitate replacing Ed's (really good) 2503 with these, if you need to save a few bucks. I've successfully tried these with API 312 type circuits as well as custom mic preamps. Mostly clean, but with some of the nice iron flavor that we all love.
Try 'em; you'll like 'em.

From: Frank Phillips | Date: 7/1/2012 4:42 PM

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Product Files

Dimensional Drawings

15000-EI625-625-P12.pdf

Products specifications

Input Maximum Voltage	7.5Vrms
Turns Ratio	1:1:1:1
Input	Line Level
Output	Line Level
DC Resistance	116 Ohms (each winding)
Frequency Response	10~50K Hz., <1dBu
THD+Noise	<0.01% @ 1K Hz.
Shielding	Yes
Shielding	Tin-plated copper EMI shielding tape
Bobbin Material	Nylon 6/6 GF-30
Flammability Rating	Class B 130°C
Core Material	M-6 29 ga. grain oriented lamination steel
Secondary Insulation (transformer)	Clear air dry polyester varnish
Termination	12 pin PCB
Mounting	Printed circuit board mounted (PCB)
Weight	0.4 lbs.
Compliance	RoHS & REACH

Product tags

line (71)
,
unbalanced (126)
,
matching (135)
,
PCB (79)
,
1:1 (14)
,
1:1:1 (2)
,
copper shielding (2)

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