KGA Enclosures Ltd
Contacting KGA Enclosures
Tel: +44 (0)1535 636856
Products to be ordered via E-Mail (No Online Shop)
Bank Transfer / Credit/Debit Cards / PayPal Payments all accepted
Please send all orders and enquiries to, we will respond with pricing confirmation and stock availability

Hammond Manufacturing | Audio Transformers | 148 Series

148 Series Audio Open Frame
PC Board Mount
Product Features
  • Pin type 0.25" length and 0.025" square), P.C. board mount.
  • Economical, open type, horizontal bracket construction. 149 Series includes clinching lugs for extra mounting strength.
  • Frequency response 200 Hz. - 15 Khz. (+/- 1 db, ref. @ 1 Khz).
  • Total distortion approximately 2% for drivers and 1% for outputs at 200 Hz., decreasing at higher frequencies.
  • Insertion loss less than 1/2 db.
  • Bifilar wound for balanced capacitive and resistance characteristics, on pin bobbins for standard 0.2" grid pin spacing.
  • Insulation test 250V rms.
  • Net weight: 0.6 oz. (148 Series) and 1.0 oz. (149 Series).
Product Notes
  1. For output transformers the current figure is for maximum unbalanced current.
  2. D.C. Resistance shown is for the total primary or secondary windings (i.e. if unit contains multiple primary or secondary windings the figure shown is with the windings connected in series).
  3. Pins are not labeled on the units, but a dot indicates the position of pin 1. The rest of the pins can be determined after reviewing the schematic below.
Related Products
Product Resources
Share This Product
Share Product Range on Facebook Share Product Range on Twitter Share Product Range on LinkedIn

Hammond Manufacturing Transformers

KGA Enclosures Ltd are full authorised distributors of the Hammond Manufacturing Transformers product range. This entire range is available from KGA Enclosures Ltd at great competitive price's and with full customisation options on all applicable products.

To purchase any product or for more information on any product, simply call (+44) 01535 636856 or E-Mail, where we will be happy to assist you. Or view the related product ranges from Hammond Manufacturing, all which are available from KGA Enclosures Ltd.
148 Series - Hammond Manufacturing Transformers - KGA Enclosures Ltd
Product Options
Part No Application Nominal Impedance (Ohms) Primary Nominal Impedance (Ohms) Secondary Max. Primary D.C. Current (ma.) 1+ 10+ 25+ More
148AInput150/600600/24001.9 £17.67 £16.25 £15.90 More....
148BInput150400/16003.8 £17.67 £16.25 £15.90 More....
148CInput50000250/10000 £17.67 £16.25 £15.90 More....
148DInput200K10000 £17.67 £16.25 £15.90 More....
148EDriver500125/50018 £17.67 £16.25 £15.90 More....
148FDriver1500125/50011.6 £17.67 £16.25 £15.90 More....
148HDriver3000250/10007.5 £17.67 £16.25 £15.90 More....
148KDriver4000500/20006.5 £17.67 £16.25 £15.90 More....
148MDriver6000500/20005.3 £17.67 £16.25 £15.90 More....
148QDriver10000500/20004.1 £17.67 £16.25 £15.90 More....
148RDriver20000250/10002.4 £17.67 £16.25 £15.90 More....
148TOutput500 ct3.22.1 £17.67 £16.25 £15.90 More....
148VOutput600 ct150 ct1.9 £17.67 £16.25 £15.90 More....
148XOutput4000 ct3.20.8 £17.67 £16.25 £15.90 More....
148YOutput5000 ct500 ct0.7 £17.67 £16.25 £15.90 More....
Please visit individual product page for more detailed information
Hammond Manufacturing - Customisation Services
Modified Electronic 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.
Hammond Manufacturing Customisation Services
Why choose Hammond Manufacturing to modify your enclosure
  • Hammond Manufacturing offers a wide selection and massive inventory of enclosures ready to be modified.
  • Typically the minimum order quantity is 25 pieces. This can vary depending on product and service required. Please note KGA Enclosures does not add on any charges.
  • Hammond has an experience 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 deign required. Many orders will also include a fast delivery of sample enclosures for your inspection. These steps ensure that your assembly fits perfectly before heading into the mass production stage.
Popular modification services 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
For Product Availability, Price Confirmation and All Ordering Please E-Mail
Contact Us
Call Us - 01535 636856 +44 (0)1535 636856
E-Mail Us -
Return Home Return Home
30,000 Great Products Available - Contact us for more assistance or to purchase any item
Follow us on Facebook Follow us on Instagram Follow us on LinkedIn Follow us on Twitter
VAT No: GB 204612745
Business No: 09341700