Precision Audio and AV Interface Products

Radio Design Labs

DB-J3M Mic/Line Input Assembly

  • Wall Mounted Audio Inputs
  • XLR Microphone Input with Gold Contacts
  • Mini-Jack Line Inputs
  • Hum Cancellation on Unbalanced Line Inputs
  • Transformer Isolation for Unbalanced Line Inputs
  • Balanced Mono Output for Unbalanced Mono or Stereo Line Inputs
  • Overview
  • Specifications
  • Related Products
  • Accessories
  • Downloads
  • How to Buy
  • Product Series
  • Dimensions

The D SERIES-J3M is a complete audio input panel assembly. The front panel features a female XLR jack and a single stereo mini-jack. The XLR is connected directly to the rear-panel barrier block. The mini-jack is intended for mono or stereo consumer level sources. LEFT and RIGHT are combined and balanced through audio transformers configured to reject induced hum. The line-level output is provided on the rear-panel terminal block for connection to 10 kΩ or higher input impedance line level module or equipment inputs. The back of the D SERIES-J3M is finished with a metal enclosure clearly labeled for easy installation.

The D SERIES-J3M fits directly into back boxes, available from RDL to fit cabinets or US or international walls (RDL WB-1U or WB-2U). They may be mounted directly into cabinets or most standard US single gang electrical boxes.

Input Connectors (2):
XLR female with gold contacts (1); Mini-jack (1)
Output Connector:
Terminal block
Output Connections (5):
Line: +, -, SHIELD; Mic: SHIELD (XLR pin 1), + (XLR pin 2), - (XLR pin 3)
Frequency Response (line in):
30 Hz to 20 kHz (±1 dB)
Power Requirement:
Passive
Dimensions:
Height: 4.13 in. 10.49 cm; Width: 1.7 in. 4.32 cm; Depth: 2.15 in. 5.47 cm
Mounting Box Req.:
Width: 1.80 in. 4.57 cm; Depth: 1.75 in. 4.45 cm
Package Type:
Cardboard Box
Package Dimensions:
3.625 x 4.625 x 2.125 in.
Shipping Weight:
0.505 lbs.
WEEE weight:
0.36 lbs.
Tariff code:
8536.69.4030

Documents:
Format
PDF
CAD Files:
Format
High Res Images:
Format
Declaration of Conformity:
Format
PDF

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D-SERIES

D Series products are user controls, indicators and connection plates that are compatible with Decora® style mounting. D Series modules and jacks connect directly to a variety of active RDL modules in multiple product series and are compatible with many OEM products. Products in this series may be active or passive. All D Series front panels are constructed of stainless or carbon steel for durability, shielding and static protection. Stainless steel models feature a brushed finish with direct lettering. Painted models are finished with a reverse-printed front-panel polycarbonate laminate which provides an attractive, durable finished appearance.

Connector plates offer pass-thru jacks or rear-panel solder terminals. Transformer-isolated connector modules are equipped with a shielded enclosure and a rear-panel terminal block.

Active models include remote controls to provide source selection, routing, level control, muting, source or level LED indication and more.

The depth of D Series products is sufficiently shallow to permit mounting not only in standard North American electrical boxes but also in RDL wall boxes designed to fit in narrow walls used in international installations. RDL also offers a variety of related accessories for wall mounting, surface mounting and desktop chassis mounting of D Series products, as well as matching metal trim plates.

Attractive styling, ease of installation, long-life pushbuttons, high quality connectors and worldwide mounting possibilities make D Series products a preferred long-term resource for system design solutions. D-SERIES modules are designed and manufactured in the U.S.A.

DB-J3M DB-J3M