Chicago and Itasca, Illinois     sales@nathanaudio.com
Not only are we an outstanding audio/amplifier/musical instrument modification/service facilty, we also deal in vintage audio equiptment!  Contact us for details by clicking here.
United Transformer HA-100X/A-24 SET for LA2A
HA-100X
LOW IMPEDANCE MIC, PICKUP OR MULTIPLE LINE TO GRID
Pri:   50 125[150] 200[250] 333 500[600]Ω
Sec:   60kΩ(split for 15k), +16dBm
30~-20kHz frequency response, MultipleAlloyShield (-92dB-Q)
Utilized as the input coil in the Teletronix LA2 compressor

A-24
SINGLE OR PP PLATES TO LINE
Pri:   15kΩ(split for 3750)
Sec:   50 125[150] 200[250] 333 500[600]Ω
+15dBm, 20~-40kHz frequency response
Utilized as the output coil in the Teletronix LA2 compressor
Altec/Peerless K241D (Pair)
LOW IMPEDANCE MIC, PICKUP OR MULTIPLE LINE TO GRID
Pri:   37, 150, 340, 600Ω
Sec:   84/70kΩ(split for 21k/17.5k)
+8dBm, 10~-30kHz frequency response, MultipleAlloyShield (-90dB)
This is the finest microphone input transformer ever made!
United Transformer LS-10X (Single, NOS)
LOW IMPEDANCE MIC, PICKUP OR MULTIPLE LINE TO P-P GRIDS
Pri:   50 125[150] 200[250] 333 500[600]Ω
Sec:   60kΩ(split for 15k), +17dBm
20~-20kHz frequency response, MultipleAlloyShield (-92dB-Q)
United Transformer LS-30 (Pair)
MIXING, LOW IMPEDANCE MIC, PICKUP OR MULTIPLE LINE
Pri:   50 125[150] 200[250] 333 500[600]Ω
Sec:   50 125[150] 200[250] 333 500[600]Ω
+23dBm, 7~-50kHz frequency response, High electrostatic shielding (-74dB)
United Transformer LS-141 (Pair)
THREE SETS OF BALANCED WINDINGS FOR HYBRID SERVICE, CENTER-TAPPED
Primary:   500[600]Ω(CT)
Secondary:   500[600]Ω(CT)
Tertiary:   500[600]Ω(CT)
+15dBm, 30~-15kHz frequency response, High electrostatic shielding (-74dB)
A favorite of ours, along with the Western Elecric 119-F. We use them when we need to provide two isolated 600Ω outputs from a console main buss.
United Transformer A-35 (Pair)
TRANSISTOR INTERSTAGE
Pri:   10kΩ(split for 2500)
Sec:   500[600]Ω(split for 150)
+30dBm, 30~-20kHz frequency response
Very handy for safely tying the outputs of two different active devices.
Western Electric 111C (Pair)
600/150Ω to 600/150Ω repeat coil, 20~(0░)-20kHz (-15░) frequency response, +30dBm
The stalwart of all radio stations! Nice pair from 1947
Altec 9014 1/3 octave passive filter sets (Pair) with the impossible to find 50Hz extension filters!
600/600Ω in and out, +18dBm, with Peerless E204D input and 15036 output coils.
The finest 1/3 octave filtering money can buy!
Contact us for details by clicking here.