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23Fe Iron-Core Instrument Transformer
Description
If you're new to the idea of transformers in your instruments signal path, the 23Fe is a great place to start because it focuses on providing a lot of color, a bit of compression, and an upper-mid-forward voicing. The 23Fe is a 1:1 ratio high-impedance audio transformer designed for use in unbalanced electric musical instrument signal paths (ie. guitar, bass, synth, etc.). It offers a different tone from the 2020S and about twice as much sonic coloration. There is also noticeable amounts of compression with signals as small as passive pickups directly coupled to the 23Fe. There is a little more signal insertion loss than the 2020S, at about 2dB. It is highly recommended to experiment with driving it with a boost pedal to achieve more color and compression.
Temporarily out of stock. Please check back May 24th.
Enclosure size: 3.64 x 1.52 x 1.06" (92.5 x 38.6 x 26.924mm)
Weight: 5.2oz. (147g.)
I/O: 1/4" (6.35mm) jacks. Interchangeable input/output.
Power supply requirements: None. Passive device = no power supply.
Transformer: LBA Little Tony, AKA "Lil' T"
Ratio: 1:1
Impedance: High
Ground: grounded I/O by default. Internal PCB wire loop can be cut to create an isolation transformer.
Insertion loss: ~2dB on average.
THD+N: Measured with a 100mV 1kHz sine wave with an impedance of 1.5k Ohms = 0.018%
Frequency Response (buckle up... this one is complicated): The range of flat response is +/- 2dB from 1.4kHz-21.15kHz. Backwards from 1.4kHz there is low-shelf attenuation, with a slope that drops it down -2dB by the time we get to 576Hz. It's relatively flat (+/- 1dB) from 52Hz-576Hz. What happens below 52Hz is a monster +4dB bass boost at 28Hz. That puts it +2dB over the flat range of 1.4kHz-21.15kHz.
Compression: 0.5dB with a 100mV signal
Compression Attack Time: 0.5μs
Magnetic Shielding Can: No