D.W. Fearn VT-24话放

   tel:   项目经理：博乐

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from the manufacturer: "like most of our products, the vt-24 came about because it was something i needed for my own recording projects. i wanted to record every microphone with vt-1/vt-2 mic preamps, but i was running out of rack space in my small control room. a four-channel version of the vt-2 would double my preamp capacity in the same space.
 
i did not want to compromise on the sound nor on the features of the vt-2. the vt-24 uses the identical circuit and custom jensen input and output transformers as all our mic preamps. it has four true vu meters, but they are smaller than on a vt-1/vt-2. specs are the same as a vt-2, and, most importantly, the sound is exactly the same.
 
the vt-24 has eight tubes, but it runs cool enough that no fan is required, so you can have next to live mics without a problem.
 
one thing that we did have to eliminate in the vt-24 is the meter switch. but the 48v phantom power, 20db pad, and special input selection for low-z microphones are just like on a vt-1/vt-2. the power switch is on the front panel."
 
features: 
 •input 150 ohms
 •input load impedance 1.5k ohms
 •minimum input level -65 dbm nominal
 •maximum input level @ 20 cps -30 dbm without pad, -5 dbm with 20 db pad
 •gain 53 db
 •frequency response +/-0.25 db 20 cps to 20 kc; -3 db @ 0.5 cps and 55 kc
 •thd+noise less than 0.25% 20 cps to 20 kc
 •intermodulation distortion smpte less than 0.02%
 •signal to noise ratio 74 db minimum
 •e input noise -124 dbm maximum
 •output low-z, transformer-balanced
 •maximum output level +22 dbm, 20k ohm load
 •power re 100, 120, or 220 vac, 50/60 hz
 •dimensions 19" w, 5.25" h, 14" d
 •weight 20 lbs