Di Box หรือ Direct Box แบบ Passive Mackie MDB-1P, แปลง Unbalanced เป็น Balanced, แปลง High Impedance เป็น Low Impedance, 1/4 “Unbalanced Input, XLR Balanced Output, Switchable Pad, Ground-Lift Switch, ไม่ต้องใช้พลังงาน
฿2,990.00
Di Box หรือ Direct Box แบบ Passive Mackie MDB-1P, แปลง Unbalanced เป็น Balanced, แปลง High Impedance เป็น Low Impedance, 1/4 “Unbalanced Input, XLR Balanced Output, Switchable Pad ป้องกันการโอเวอร์โหลด, Ground-Lift Switch ลด Hum, ไม่มีแหล่งพลังงาน จำเป็น
The Mackie MDB-1P is a passive direct box designed to connect a single instrument such as a guitar, bass, or keyboard to a microphone preamp for musicians and audio engineers in recording sessions, houses of worship, and live stage applications.
It converts a high-impedance, instrument-level signal via its 1/4″ TS unbalanced input to a low-impedance, mic-level output via its balanced XLR 3-pin jack. A 1/4″ thru jack allows simultaneous connection to an amplifier or pedalboard.
A -15 dB pad reduces the input level to prevent distortion when using a high-gain source, and the ground-lift switch inhibits hum caused by ground loops. Due to its passive design, the MDB-1P requires no batteries or power supply. A sturdy steel chassis enables confident use in the studio or on the road.
Type | Passive |
Input Connections | 1 x 1/4″ TS unbalanced |
Output Connectors | 1 x 1/4″ TS unbalanced 1 x XLR 3-pin balanced |
Input Impedance | 140 kOhms unbalanced |
Output Impedance | 400 Ohms unbalanced |
Impedance Ratio | 350:1 |
Pad | -15 dB |
High-Pass Filter | None |
Controls | Pad Ground-lift switch |
Frequency Response | 20 Hz to 20 kHz (±0.2 dB) |
Signal to Noise Ratio | Not specified by manufacturer |
Dynamic Range | 128 dB |
Total Harmonic Distortion | 0.002% from 1 kHz |
Power Requirement | None |
Current | N/A |
Construction Material | Heavy-gauge steel chassis |
Dimensions (H x W x D) | 1.5 x 3.4 x 5.8″ / 38 x 86 x 147 mm |
Weight | 0.8 lb / 0.4 kg |
Packaging Info | |
---|---|
Package Weight | 1.05 lb |
Box Dimensions (LxWxH) | 6.9 x 5.9 x 2.9″ |