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15 January 2025

LUNDAHL ANALOGUE AUDIO TRANSFORMERS

19 items
LUNDAHL LL1517 TRANSFORMER Analogue audio, PCB, line output
LUNDAHL LL1517 TRANSFORMER Analogue audio, PCB, line outputLUNDAHL LL1527 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1528 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1530 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1531 TRANSFORMER Analogue audio, PCB, line inputLUNDAHL LL1532 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1538 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1539 TRANSFORMER Analogue audio, PCB, line output+11LUNDAHL LL1540 TRANSFORMER Analogue audio, PCB, line inputLUNDAHL LL1545A TRANSFORMER Analogue audio, PCB, line inputLUNDAHL LL1570 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1571 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1581XL TRANSFORMER Analogue audio splitting, PCB, 2 outputsLUNDAHL LL1587 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL1588 TRANSFORMER Analogue audio, PCB, general purpose, high levelLUNDAHL LL1636 TRANSFORMER Analogue audio, PCB, microphone inputLUNDAHL LL2811 TRANSFORMER Analogue audio, PCB, line outputLUNDAHL LL5402 TRANSFORMER Analogue audio, PCB, line outputLUNDAHL LL7401 TRANSFORMER Analogue audio, PCB, line output

A range of high performance PCB mounting analogue audio transformers, manufactured in Sweden. Lundahl will design variations on existing types, or completely new constructions, to meet specific needs. All housing cans are mu-metal, and pin diameters are 1.1mm, recommended PCB drill 1.5mm.

Type Turns Ratio Size LxWxH (mm) Applications Comments
LL1517 1+1,ct : 1+1 47x34x19 Line output Universal output.
LL1527 1+1 : 1+1 38x24x17 Isolation, The "standard" problem solver.
Microphone Ground isolation, MS decoding, splitting 1 direct + 1 isolated outputs.
Mic input 200:800 Ω.
LL1530 1+1 : 3.5+3.5 38x24x17 Microphone 200 : 10 k Ω. Also used in DI-boxes 10k : 200 Ω.
LL1531 1+1:2 28x17x15 Line input Small size.
LL1532 1+1 : 2 28x17x15 Isolation A small size audio transformer.
For isolation and microphone input (200:800 Ω).
LL1538 1+1 : 5 38x24x17 Microphone 200 : 5 k Ω.
LL1539 2 : 1+1 47x34x21 Line output For balanced drive.
LL1540 1+1 :1+1 38x24x17 Line input High level input.
LL1545A 1+1+1+1 : 2+2 38x24x17 Line input General purpose with many connection alternatives.
LL1570 1+1 : 1+1 38x24x17 Isolation, Splitting 1 direct + 1 isolated outputs. Extra wide bandwidth.
Microphone 200 : 200 Ω or 200 : 800 Ω.
For low impedance input mic preamps such as Jensen JE-990
LL1571 1+1 : 1.75 + 1.75 38x24x17 Microphone 200 : 2.5 k Ω.
LL1581XL 1+1 : 1+1 38x24x20.5 Splitting Splitting 1 direct + 2 isolated outputs.
Very high immunity to external magnetic fields
and to large ground differences.
LL1587 1+1 : 4 26x17x12 Microphone 200 : 3.2 k Ω. Small size.
LL1588 1+1 : 1+1 47x28x24 Isolation High level isolation applications 1:2 microphone input. Phase splitting.
LL1636 1+1+1+1 : 10+10 30x23x14.5 Microphone Mic Input. DI-box. Moving coil input.
LL2811 1+1 : 1+1 31x26x23 Line output For balanced drive. Four section windings.
Small footprint. Fits three in a row across a Euroboard.
LL5402 2 : 1+1 43x28x21 Line output For unbalanced drive
LL7401 1+1 : 1+1 47x34x17 Line output For balanced drive.
LL1528 1+1 : 2.5+2.5 38x24x17 Microphone 200 : 5 k Ω.

Full data and application notes for each type are available in the linked resources.

Description Price $
ex. VAT 		Add to basket
Delivery
LUNDAHL LL1517 TRANSFORMER Analogue audio, PCB, line output Stock code: 23-131
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $93.84
10+ $91.02
50+ $89.15
100+ $87.28
LUNDAHL LL1527 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-101
2 in stock Need more?
1+ $89.19
10+ $86.52
50+ $84.73
100+ $82.95
LUNDAHL LL1528 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-102
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $90.57
10+ $87.85
50+ $86.05
100+ $84.23
LUNDAHL LL1530 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-104
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $91.33
10+ $88.58
50+ $86.77
100+ $84.94
LUNDAHL LL1531 TRANSFORMER Analogue audio, PCB, line input Stock code: 23-111
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $84.44
10+ $81.90
50+ $80.22
100+ $78.53
LUNDAHL LL1532 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-105
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $83.16
10+ $80.67
50+ $79.00
100+ $77.34
LUNDAHL LL1538 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-103
1 in stock Need more?
1+ $102.31
10+ $99.23
50+ $97.20
100+ $95.15
LUNDAHL LL1539 TRANSFORMER Analogue audio, PCB, line output Stock code: 23-132
Ordered on demand, available in 2‑3 weeks. Need it sooner? Call us
1+ $83.68
10+ $81.17
50+ $79.50
100+ $77.82
LUNDAHL LL1540 TRANSFORMER Analogue audio, PCB, line input Stock code: 23-112
4 in stock Need more?
1+ $94.61
10+ $91.77
50+ $89.88
100+ $87.99
LUNDAHL LL1545A TRANSFORMER Analogue audio, PCB, line input Stock code: 23-113
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $102.31
10+ $99.23
50+ $97.20
100+ $95.15
LUNDAHL LL1570 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-106
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $98.37
10+ $95.42
50+ $93.45
100+ $91.49
LUNDAHL LL1571 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-107
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $102.31
10+ $99.23
50+ $97.20
100+ $95.15
LUNDAHL LL1581XL TRANSFORMER Analogue audio splitting, PCB, 2 outputs Stock code: 23-110
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $127.73
10+ $123.95
50+ $121.44
100+ $118.89
LUNDAHL LL1587 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-109
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $83.16
10+ $80.67
50+ $79.00
100+ $77.34
LUNDAHL LL1588 TRANSFORMER Analogue audio, PCB, general purpose, high level Stock code: 23-114
Ordered on demand, available in 4‑6 weeks. Need it sooner? Call us
1+ $131.27
10+ $127.37
50+ $124.68
100+ $122.12
LUNDAHL LL1636 TRANSFORMER Analogue audio, PCB, microphone input Stock code: 23-108
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $125.17
10+ $121.43
50+ $118.93
100+ $116.42
LUNDAHL LL2811 TRANSFORMER Analogue audio, PCB, line output Stock code: 23-133
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $82.44
10+ $79.96
50+ $78.31
100+ $76.66
LUNDAHL LL5402 TRANSFORMER Analogue audio, PCB, line output Stock code: 23-134
1 in stock Need more?
1+ $81.64
10+ $79.19
50+ $77.56
100+ $75.93
LUNDAHL LL7401 TRANSFORMER Analogue audio, PCB, line output Stock code: 23-135
Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
1+ $83.68
10+ $81.17
50+ $79.50
100+ $77.82