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Passive direct box for connection of unbalanced musical instruments and line-level sources to low-Z balanced microphone input for PA or recording. Not recommended for speaker-level use. 1/4" (6.35mm) input (with parallel 1/4" output). Switch for ground lift. Male XLR-type balanced mic-level output. Uses Pro Co CBT-1 transformer (20k/150 ohm).
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Inline Transformer IA-2
The model IA-2 line matching transformers !S designed to properly match a low impedance signal to a low impedance source. The advantage of "ground lift" switching allows to optmize hum problems. Technical Data Frequency response 20 Hz - 20 KHz + 1 dB Impedance 600 : 600 Ohm THD K3 50 Hz = 0.5 % Level < + 6 dBm Weight 100 g Dimensions diameter 17 mm, lenght 115 mm |
Passive DI box especially designed for guitars.
The PDI09 can be connected between an effect device or amplifier and the mixing console. The PDI09 is not suitable for direct connection to a guitar. Integrated filter circuits simulate the authentic "speaker" sound. Tone can be varied between "Mellow“, "Normal“, or "Bright“.
Technical specifications:
- Input: 6.3 mm jack with parallel "THRU" socket
- Output: male XLR transformer balanced
- Attenuator: (Level switch) 0 dB for line signals, -15 dB for small amps up to 10 w, 30 dB for large amps up to 200 w
- No battery necessary
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Behringer DI-400P High-Performance Passive Direct Injection Box Introducing the Ultra-Compact DI-Boxes from BEHRINGER There are times when you will want to connect certain sound sources straight to other audio gear, be it for a live performance or a studio session. A direct connection between audio equipment can be a challenge though: technical problems crop up that?ll corrupt the signal. The DI400P lets you connect instruments or amplifier outputs. It converts any unbalanced signal to a balanced signal and eliminates unwanted noise. With its high-performance transformer, it also allows you to use very long cables without the loss of high frequencies. This is the sort of medicine that?ll cure headaches in your studio or on stage.
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The Stewart ADB-1 is a single channel active direct box that allows an unbalanced source to directly feed a balanced input. Musical instruments, tape recorders, VCRs and sound projectors can be run "direct" to the mixing console, avoiding unnecessary degradation of sound quality. The ADB-1 operates on either phantom power or a 9-volt battery.
FEATURES: Flat response Low distortion Low noise Wide dynamic range No transformer RF protection on input and output Switchable ground isolation Flush mounted slide switches |
Active DI-Box SM-60
The electronic Direct-Injection Box SM-60 allows direct connection of electronic music instruments such as keyboards, synthesizers, electric and electronic pianos, etc. with mixing consoles in PA-systems and in recording studios. The SM-6 is designed for applications, where a passive DI-Box does not perfom satisfactorily, i.e., where the output level of a passive DI-Box is too low for the microphone input section of the mixing desk. Because the input impedance of the SM-6 is above 5 MOhm, instrument outputs are not loaded or in any other way adversely affected. The voltage ratio from input to output is 1: 1 and is always sufficient for connection with any microphone input. Input connectors are 1/4" phone jacks, output connector is a Switchcraft D3M; output is 600 Ohms, transformer balanced. The output level may in certain cases overload microphone inputs - the line input section of the mixing console must then be used for connecting the SM-6. The unit operates with a 9 V battery or phantom powering from 24 to 48 volts.
Technical Data
input impedance > 5 MOhm max. input impedance + 6 dBu, 1,55V ouptut impedance 600 Ohm frequency response 20 ... 20000 Hz, ± 0,2 dB gain 1 : 1 THD < 1 % at 30 Hz < 0,7 % bei 40 Hz powering 9-V battery (IEC 6LF22) or phantom power 24 ... 48 V. inputs two 1/4" phone jacks , unbalanced (one being used as output to instruments amp) outputs XLR, balanced pin 1 = ground, pin 2 = hot, pin 3 = cold case aluminium die-cast weight 240 g dimensions 113 x 71 x 37 mm |
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