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KGA Enclosures Ltd
Tel: +44 (0)1535 636856
850A Series Sealed Audio Broadcast Quality
850A Series Transformers - Hammond Manufacturing Transformers

KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. Adding the Hammond Transformers range has enabled KGA Enclosures to offer a new line of products, we now carry a large range of Audio Transformers, Power Transformers, Chokes and Reactors. All Hammond Manufacturing Transformers are available from KGA Enclosures, view the product range (Click Here) or view the product price list (Click Here). If you have any questions regarding any product offered here at KGA Enclosures Ltd please call 01535 636856 or E-Mail

What makes KGA Enclosures Ltd different from most other large distributors is that we can assist you with your full customisation services. All work is undertaken by Hammond Manufacturing Enclosures at there manufacturing facilities. These services inlcudes milling or punching of holes and slots into the enclosure and endplates for cables, connectors, etc. Printing and silk screening services which allows for the addidtion of text, logo's and graphics onto both the enclosure and end plates, which allows the end user to easily identify the product. All customisation charges and minimum order quantities are set by Hammond Manufacturing, KGA Enclosures does not add any other charges on. For more information or a free quote simply send your technical drawings and enclosure required to where we will be happy to assist you. Click here for more information on customisation options.

Product Features:
• Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with mounting hardware.
• Sealed case and wax potted core internally for stable characteristics and long life.
• Wide frequency response +/- 0.5db max. from 20 Hz. to 20 Khz. (except units over 5K Ohms impedance, may be down 1 db @ 20 Khz.).
• Insertion loss of apx. 1 db.
• Maximum power level +15 db. with specified characteristics, or higher levels with reduced low frequency performance.
• Distortion is apx. 1.5% @ 20 Hz. under full power.
• Electrostatic shield between pri. and sec. connected to the green lead.
• Humbucking construction.
• Balanced split windings on pri. and sec. for circuit versatility. Primary may be used as a secondary and vice versa for impedance matching.
• Includes mounting hardware.
• Lead length: Min 4".
• Shipping weight 0.4 lbs (0.18 kg).
850A Series Transformers Product Options
Part No Application Nominal Impedance (Ohms) Primary Nominal Impedance (Ohms) Secondary Nominal Resistance (Ohms) +/- 20% Primary 1+ 10+ 50+ 100+ 500+
850CA Emitter or MIC to Line 12/48 150/600 6 £117.50 £111.62 £105.75 £99.87 £94.00
850EA Emitter or MIC to Line 50/200 150/600 27 £117.50 £111.62 £105.75 £99.87 £94.00
850GA Line Isolation or Hybrid 150/600 150/600 71 £117.50 £111.62 £105.75 £99.87 £94.00
850HA Line Isolation or Hybrid 150/600 300/1200 70 £117.50 £111.62 £105.75 £99.87 £94.00
850JA Output to Line, or Line to Base 150/600 1200/4800 69 £117.50 £111.62 £105.75 £99.87 £94.00
850LA Output to Line, Matching or Bridging 5K/20K 150/600 2240 £117.50 £111.62 £105.75 £99.87 £94.00
850NA Output to Line, Matching or Interstage 150/600 10K/40K 65 £117.50 £111.62 £105.75 £99.87 £94.00
850QA Interstage or Isolating 10K/40K 10K/40K 4890 £117.50 £111.62 £105.75 £99.87 £94.00
For more detailed information please click part number
Hammond Manufacturing Enclosures Customisation Options
Modified Electronic Enclosures
Product Customisation Services - Hammond Manufacturing Enclosures
Almost every enclosure will need some kind of modification to be useful. In house modifications can be tedious, over complicated and a distraction from your main core business. A third party shop can add time and expense. Let us help you to deliver quality products made to your exact specifications.
Why choose Hammond to modify your enclosure
• Hammond Manufacturing offers a wide selection and massive inventory of enclosure ready to be modified.
• Typically the minimum order piece is 25 pieces. This can very depending on product and services required. Please note KGA Enclosures does not add on any charges.
• Hammond has an experienced enclosure modification team and two dedicated modification facilities in North America and the United Kingdom. They are knowledgeable, available and capable.
• Hammond Manufacturing helps eliminate scrap and design errors with approval drawings to confirm correct interpretation of your design required. Many orders will also include fast deliver of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modifications offered
• Holes.
• Cutouts.
• Tapping and countersinking.
• Pressed-in hardware (Studs, standoffs).
• Silk screening.
• UV printing.
• Special colours.
• Special length extrusions.
• Pre-Installed accessories.
• Available services vary by product.
Contact Details
Call Us +44 (0)1535 636856
E-Mail Us
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VAT No: GB 204612745
Business No: 09341700