seca

For sale:- EWA M40 power amp £2000 phone and balance in 40W/8R auto or manual start ECO Power stereo EWA M40p pre amp with MC/MM Aux balance in and out. £2000 5W Stereo SECA completed kit amp stereo £300 15W stereo A/B desk top amp completed kit £280 30W stereo A/B completed kit amp stereo...

Here is the link to the block diagram in PDF format. Comments please. https://seca.freeforums.net/thread/328/new-m40-seca-drive-power

https://seca.freeforums.net/thread/2/seca-kits-wonfor?page=3&scrollTo=789

NEW SECA PCB Power can be set from 14W - 40W depending on heatsink. The PCB's are £60 each. Please contact Mr Brown on https://www.abcaudio.biz/ The PCB is now leaded components and should be easy to assemble. Down load cct here https://seca.freeforums.net/thread/274/new-seca-kit-easy-build

Some new toys I am playing with, with A - A/B select and remote cable sense and Balance and Un-balance input Mono amps about 70W max 8Ohm. 1 channel shown here. Each channel (1 shown) 4 off 47,000uF 2 off 300VA at 15V transformer. 12 output devices, 4 temperature sensors.Ag wire in PTFE for...

I will be going to the show the weekend 26th Oct 2019 I will be there on Saturday. It would be nice to see some old friends there so come along. https://www.hifinews.com/content/grandstand-ascot-welcomes-uk-hi-fi-show-live-2019

Demo is the wrong wording, these amps have only been used in my PIT (workshop) I am having a tidy up. First a Claymore 50W/Ch 8R 100W/Ch 4R Phone MC & MM etc see more:- https://www.elsdonwonfor.com/product-page/claymore-integrated-amplifier Next Q20 Power Amp :-...

Well I can,t stop thinking of designs. So I am now keeping my retired old brain busy, the first is a SECA Twin Headphone Amp with two DAC,s Then I will go back to my favourite non audio love, yes you guessed it chocolate, NO PSU designs working on a ultra low noise low impedance range. 3.3V,5V...

Hi All, James (sovereign) built with a little help from a 40W/50W SECA the updated PCB are now ready for completion by the DIY's of us. The PCB have most of the components on them minus a few small ZTX653 transistors and the output and PSU devices. I Also have a few large (very large) heat...

I have a few SECA PCB's for the 25W for sale make me a offer.

https://www.abcaudio.biz We are pleased to represent Colin Wonfor and his current product range. Our web-shop is focused on two areas, cables from the EWA cable system, and EWA amplifiers based on SECA technology. Colin's design career has been a long one. In audio, he is behind companies such...

Q20 20W RMS/ch £995.33 Q20P MC/MM 1 aux and SECA HP £960.00 Q20V 20W/Ch + Vol £979.20 M50 50W/Ch £2844.00 M50 Pro 50W balance and RCA inputs £3420.00 M50 P MC/MM + 4 Aux and 2 SECA HP £2700.00 M50 P PRO Simple DAC + 4 Aux and 2 SECA HP £3400.80 M100 Mono 100W/Ch £4498.56 M100 PRO Dual...

Class T with SMPSU 300W/Ch Dreadnought Alan and I made in the mid 1980's One of the first SECA Kits A 100W PP Class A To my friend Malcolm thank you for all you support, and I wish you were home safe.

Hi this is the first time EWA has had a trade account on PFM. But I Colin Wonfor will be posting on the companies behalf, and as a private person in other areas. Now retired and trying to relax, yer right I would get bored. I am not a director or a employee of EWA just to make that clear, my...