Samson MD1 Pro Mono Passive Direct Box

With a 3-position attenuation switch for precise level balancing and a shielded Samson STLX Mu-Metal transformer, the MD1 Pro DI box ensures low noise.

The Samson MD1 Pro Mono Passive Direct Box combines premium sound circuitry with durable, roadworthy construction, providing high-quality solutions for line, instrument and speaker level signals. The MD1 Pro allows balanced lines to be sent from your instrument long distances without inducing noise.

Custom STLX Transformer

The MD1 Pro features Samson's STLX Mu-Metal shielded transformer that delivers an extended, flat frequency response with ultra-low distortion and superior protection against hum and RF interference. The MD1 Pro's balanced output provides a clean signal that is less susceptible to noise than an unbalanced line, allowing for longer cable runs. The MD1 Pro also includes a 3-position 0dB/-15dB/-30dB attenuation switch to toggle between line and speaker level signals.

Thur Jack

The MD1 Pro's Thru jack enables you to tap off the signal from the input and pass the signal to an amplifier or monitor without affecting the original audio. This can eliminate the need for miking guitar amplifiers, which depending on your application may be preferable, especially as more musicians are using in-ear monitors.

Roadworthy Construction

Housed in a 14-gauge steel chassis, the MD1 Pro is built to withstand the abuse of the most demanding live tours. Its rigid outer shell protects all the MD1 Pro's internal connections, switches and solder joints from failure, ensuring quiet, reliable performance.

Features:

- All-metal, impact resistant design
- Samson STLX Mu-Metal shielded transformer
- read more 3-position 0dB/-15dB/-30dB attenuation switch
- Ground Lift switch
- 1/4" Input and Thru
- Balanced XLR output
- No Phantom or Battery power required
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- Type: Mono passive direct box
- Frequency Response: 18Hz to 40kHz +/-0.1dB
- Maximum Input: +20dBu 0.35% THD
- Dynamic Range: >100dB @ Balanced Output
- Noise Floor: -117dB
- Total Harmonic Distortion: <0.03% from 20Hz to 40kHz
- Input Impedance: 400 kO
- Output Impedance: 250 O +/-20%
- Transformer: Samson STLX Faraday shielded
- Transformer Ratio: 15:1
- Input PAD Switch: 0dB, -15dB, -30dB
- Ground Lift: Disconnects XLR pin-1 (Output)
- Connectors: 1/4" unbalanced (Input & Thru)
- XLR: Balanced Output
- Construction: 14-gauge steel chassis
- Product Weight: 1.47 lb (667g)
- Box Dimensions: 5.5" x 4.25" x 2.25"
- Dimensions: 140 x 108 x 57mm
- Box Weight: 1.62 lb (735g)
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 1.75 lbs
Shipping Dimensions: 6 x 4 x 2 in
Manufacturer Part Number (MPN): SAM D1PRO

For support or warranty questions, please contact the manufacturer:
Phone: 516-870-7200