PU7A7786_Microphone_web

Microphone Transformers

PhotoTypeTurns RatioSize LxWxHMax Primlevel @ 50HzApplications/Comments
LL15271+1 : 1+138x24x17+16 dBUThe "standard" problem solver. Ground isolation, MS decoding,
splitting 1 direct + 1 isolated outputs. Mic input 200:200 or 200:800 Ω.
LL15281+1 : 2.5+2.538x24x17+10 dBU200 : 5 k Ω
LL15301+1 : 3.5+3.538x24x17+10 dBU200 : 10 k Ω. Also used in DI-boxes 10k : 200 Ω.
LL15381+1 : 538x24x17+10 dBU200 : 5 k Ω. Probably the best 1:5 microphone input transformer available.
LL1538XL1+1 : 538x24x20.5+13 dBU200 : 5 k Ω. High level version of LL1538
LL15501+1+1+1 : 4+430x23x14.5+2 dBU200 : 3.2 k Ω if used 1:4. Many other connections possible.
LL15701+1 : 1+138x24x17+10 dBU200 : 200 Ω or 200 : 800 Ω. For low impedance input mic preamps such as
Jensen JE-990
LL15711+1 :
1.75 + 1.75
38x24x17+10 dBU200 : 2.5 k Ω.
LL15761+1 : 738x24x17+10 dBU200 : 10 k Ω. Same pinout as LL1538
LL15771+1 : 1438x24x17+10 dBU50 : 10 k Ω. Same pinout as LL1538. For low impedance source.
LL15781+1 : 1038x24x17+10 dBU50 : 5 k Ω. Same pinout as LL1538. For low impedance source.
LL1578XL1+1 : 1038x24x20.5+13 dBU50 : 5 k Ω. Same pinout as LL1538. For low impedance source.
LL15871+1 : 426x17x12+2 dBU200 : 3.2 k Ω. Small size.
LL16361+1+1+1 : 10+1030x23x14.5-14 dBUMic Input. DI-box. Moving coil input.
LL19261+1+1+1 : 4+437x23x12+7 dBU50 : 3.2 k if used 1 : 8. Many other connections possible.
LL1927A1+1 : 55+5530x23x14.5Ribbon microphones (used 1:110). Amorphous core. For active output stage.
LL19351+1 : 5+538x23x16+7 dBUDI (Direct Input) used 10:1. Mic input 200 : 20k.
LL1936(2+1)+(2+1) :
4 + 4
48x29x20+14 dBUCan be connected for 75, 150, 300 and 600 Ω microphones into 1200 Ω.
LL19409 : 1+131x25x16Tube microphones. Silicon-iron C-core, which results in a transformer
with more "transformer sound character", compared to a classic mu metal
lamination transformer. PCB mount style.
LL19511+1 : 1437x22x17+10 dBUCompatible with LL1577, but with reduced internal capacitance.
LL19682 : 125x15.8x14.5+15 dBUOutput transformer for solid state microphones.
LL196923 + 1 : 636x22x16+ 18 dBUSame structure as the BV12 microphone transformer.
To be used in U67 replicas.
LL29121 : 3727 mm x diam. 18.5Ribbon microphones. Amorphous core. Flying leads. No housing.
LL29131+1+1+1: 3730x22.5x14.5Ribbon microphones. Amorphous core. PCB version of LL2912.
With mu metal housing.
LL29141+1+1+1: 3738x24x17Ribbon microphones. Mu metal core version of LL2913.
LL29151 : 3736 mm x diam. 22Ribbon microphones.
Mu metal lamination core. Flying leads. No housing
LL29161+1 : 55+5538x23x26Mu metal lamination core version of LL1927A.
LL79031+1+1+1 : 2+2+2+266x32x21+16 dBU200 : 13 k Ω (used 1:8) This is the ultimate microphone input transformer,
designed for high quality tube equipment.
LL79061+1+1+1 : 5.6 + 5.666x32x21+16 dBUImproved version of LL7905.

*For larger quantities, please ask for quotation.