About Valve Transformers and Purchasing
Last modified: 1 Apr 2011

A range of specialised transformers and low frequency chokes specifically developed for use with thermionic valve or tube type audio amplifiers and similar valve-based circuits. Intended for construction of Hi-Fi, stage and PA audio power amplifiers ranging from 5 Watts to 100 Watts, of both single-ended and push-pull designs, while smaller types can be used to supply any low power valve circuits such as pre-amplifiers, active tone controls, mixers and musical effects, or replace failed transformers in old valve equipment such as 'antique' radios.
Note that these pages are liable to change.
Important please note that all surface mounting or 'drop-through' type mains transformers include a solder tag washer for one fixing bolt, that is also without fibre washers. This tag must be connected to mains earth to satisfy EC Class 1 safety regulations.

You should be made aware that voltages higher than 240V AC mains are present on many of these transformers, including DC, and associated components whenever the mains is connected. Repairing, building and testing of valve amplifiers should not be carried out by inexperienced persons or in the vicinity of young children or animals. If in any doubt consult with a qualified electrician.
All transformers were especially developed (from supplied specifications) by Danbury Electronics of South Woodham Ferrers, Essex, UK. The range is continually being revised and expanded.
Prices where shown are in UK pounds sterling and may vary.
Carriage cost for delivery within the United Kingdom (only) is calculated from the total weight of all selected items in the Order list (as from April 2009). Currently the break points are: up to 750g, £6.00; >750g – 20 kg, £12.00; >20 kg – 50 kg, £19.20. For components (only), £6.13; or if a small packet £3.06. Due to the weight of transformers parcels for posting overseas outside the UK, the total price must be recalculated accordingly and of which you will be notified. Overseas payments may be made through PayPal.
As I am non-VAT registered (yet!) the price shown is the total price. This includes the VAT that I have to pay only. This does not apply to buyers outside of the EU, in which case please select the 'confirmation/query' option on the order form.
To purchase any of the items, select the item(s) that you require by simply clicking on 'Add To Order'. To change the quantity required click on 'Modify' in the 'Selections List' display page. To deselect an item, click on 'Delete' in the 'Selections List' display page.
Finally when you are satisfied with the final selection click the 'Send' button on the 'Selections List' display page. Upon receipt of the form I will e-mail you a short list of your selections for confirmation and provide details of where to send payment (please make sure to write your correct e-mail in the appropriate box!). Payment may be made by UK cheque, UK banker's draught, etc., Euro-cheque or International Money Order, or through PayPal.com. Dispatch of items will begin upon receipt of payment.
SORRY BUT WE DO NOT HAVE FACILITIES FOR ACCEPTING CREDIT or DEBIT CARDS other than via PAYPAL.COM or PAYPAL.CO.UK Also Please Note that PayPal subtract 3.4% + 20p (GBP 0.20) from each transaction so adjust as necessary (as a guide, add 3.55% + 20p).
Please allow up to 28 days for items to be dispatched. It is usually much quicker than that, but we have to specify a maximum. There may not be a stock held of some of the bigger and/or more complex items, due to the cost of the materials involved, but we shall endeavour to finish them as quickly as possible. Most often it's 1 - 2 weeks typically if not in stock.
In case of any problems with these web pages or for other queries please contact me directly here. For other non-audio specific transformer types contact Danbury Electronics.
Disclaimer
Neither M. C. Holmes nor any associates can be held responsible for any loss or injury resulting from any misuse of these products or from any misuse of tools or through bad workmanship or as the result of the use of defective or badly chosen materials or electrical components. The information provided on this web site is supplied in good faith and in the belief that said information is drawn from reliable sources. The authors assume no liability for damages, direct or consequential, which may result from the use of this information or from any misinterpretation of same.
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