February 2023

LL2611

2023-02-10T17:49:05+01:00February 10th, 2023||

LL2611 is a line output transformer with turns ratio 2.75 : 1Radiometal lamination core.Pin configuration (as seen from PIN side)  1,  2,  3,       56,  7,  8,  9,  10 Usage (2.75:1)In+     1In-     3Out+    7Out_ct  8       (should normally not be used)Out-    9

September 2019

LL5607

2019-09-09T10:25:54+01:00September 9th, 2019||

LL5607 is a C-core line output transformer designed for Calrec Audio, probably used as a 1.5 : 1 transformer. LL5607 has an internal Faraday shield and a mu metal housing. Pin configuration (as seen from PIN side) 6, 5, 4, 3, 2, 1 12, 11, 9, 8, 7 Usage (1.5 : 1): in+ pin 1 [...]

April 2019

LL2612

2019-09-09T10:26:27+01:00April 30th, 2019||

LL2612 is a line input transformer, 1:1, with double Faraday shields. LL2612 pin-out (pin side) 4, 2, 1 8, 7, 6, 5 In + 1 In - 4 Shield in 2 Out+ 8 Out- 5 Shield out 6 Housing 7

January 2018

LL1522

2018-04-16T14:48:46+01:00January 9th, 2018||

LL1522 is a high impedance line input transformer, normally used 2:1 It has been discontinued for many years. LL1522 pinout (pin side) 4, 3, 2, 1 8, 7, 6, 5 For high impedance line input, 2:1 use as follows: In+ 4 In- 2 Connect 1+3 Out+ 8 + 5 Out- 7 Ground (shield) 6

December 2017

Calrec line output LL5608

2017-12-06T13:01:34+01:00December 6th, 2017||

LL5608 is a line output transformer designed for Calrec Audio, turns ratio 1.55+1.55 : 1+1 Pin configuration (as seen from PIN side) 7,  6,  5,  4,  3,  2,  1               14, 13, 12,     10,  9,  8 Usage (1.55 : 1 ) in+ pin 1 in- pin 5 connect pin 7 + 3 out+ pin 8 out- pin 12 connect pins 10 + 14 Housing [...]

September 2016

LL5006

2017-12-06T13:02:18+01:00September 12th, 2016||

LL5006 is a line output transformer designed for the Danish company NTP Turns ratio 1.2 : 1 + 1 5      4     3     2    1 10    9          7     6 Usage (for 1.2 : 2 line output) in+ pin 5 + pin 1 in- [...]

June 2015

SR504a och SR504

2017-12-06T12:56:31+01:00June 17th, 2015||

SR504A is a microphone transformer 200 ohm : 2k 1  2  3  4  SR504 5 6  7  8   SR504 /SR504A PCB Flying leads in+ 2 red in- 3 yellow out+ 6 green out- 7 grey core 1 housing 4 Faraday shield 5+8 black SR504a is similar to the more modern transformer LL1538

SR502

2019-03-28T08:05:40+01:00June 17th, 2015||

SR502 is a high impedance bridging input transformer. in+ 1 in- 5 in centertap 3 out+ 7 out- 9 Faraday shields 6+10

Title

Lundahl Transformers

Tibeliusgatan 7, 761 50 Norrtälje

Phone: +46 176 139 30

Fax: +46 176 139 35

Go to Top