LUNDAHL Transformers Homepage

PART1. Boards for Lundahl Transformers

EE08 Universal Board

LL1527, LL1528, LL1530, LL1538, LL1540, LL1570, LL1571, LL1578, LL1579, LL1581, LL1581, LL1935, LL1951, LL1952, LL4611.


LL1620, LL1623, LL1627, LL9202 primary EE15, Primary Board.

LL1620, LL1623, LL1627, LL9202

Works with all Versions SE, PP and Parafeed (PPZ), but not with LL1620-CFB.


EE16, EE18, EE32, Dual Impedance Boards

LL1620, LL1623, LL1627, LL1679, LL9202

Works with all Versions SE, PP and Parafeed (PPZ)


EE20 as Phono Board

LL1636, LL1678, LL9206, LL9226, LL9226XL

Can select 6 Gain factors.
Additional, external Switch Board can be ordered, to change between two gain factors.


EE20 as Audio Board

LL1544A, LL1545A, LL1550

Can select 6 Gain factors.
Additional, external Switch Board can be ordered, to change between two gain factors.


EE21 as Phono Board

LL1681, LL1931, LL1933, LL1971, LL1941, LL1943

Can select 2 Gain factors.
Additional, external Switch Board can be ordered, to change between the gain factors.


EE21-23 as Audio Board

LL1674, LL1676, LL1922, LL1930, LL5402
LL1588, LL1592, LL1684, LL1690, LL1948

Can select 2 Gain factors.
Additional, external Switch Board can be ordered, to change between the gain factors.


EE27 Matrix Board

LL1660, LL1660S, LL1667, LL1668, LL1671, LL1677, LL1689, LL1692A, LL1694, LL2731, LL2745, LL2754, LL2763, LL2766

With this matrix board, almist anything is possible, just by adding the right links. No more mess and no mistakes. Also a quick change of one configuration to another.


EE31 High Impedance Audio Input.

LL1531, LL1532, LL1591.

Select 2 Gain factors, by means of solder jumpers, at back side of the board.

Breaks the ground loop, with XLR or RCA inputs.


EE51 Moving Coil KIT
Available: Aug 2022

LL1636, LL1678, LL9226, LL9226-XL

PCB + all parts as a kit. Very easy to build.
PART2. TRANSFORMERS

Output SE / PP
Output SE / PP
Plate Choke Power Supply Choke
Interstage
tube grid Choke
Mains Cleaning Filament Choke
Audio + Microphone
Power Supply
Guitar Input Covers
Interconnect Silver Wound