All,
THIS GROUP BUY IS NOW CLOSED - INFO WILL BE POSTED TO THIS WIKI AND THE THREAD WHEN IT ARRIVES
Pedja's 1541A DAC Custom Trafo - Antrim
Please add your name to the list. New price because I moved the secondaries around (see below) is 41.15 from 37.18 plus shipping plus VAT.
Hi All,
here is a quick update:
As you know, I made some minor changes to the trafo spec regarding the secondaries' positioning.
I had an email conversation with Pedja on the subject, and we discussed thus:
> > If the primaries on the trafo are at the 12 o'clock position (but the trafo
> > is then mounted turned through, perhaps, 45 degrees to the left), then can I
> > confirm the following secondaries at the 3 o'clock position?
>
> >>18VAC - 1.5A (analog stage)
> >>18VAC - 1.5A (analog stage)
> >>9VAC - 1A (CS8412 analog)
>
> > Then at the 6 o'clock position:
>
> >>9VAC - 1A (CS8412 digital + LEDs)
> >>9VAC - 1.5A (TDA1541A +5V)
> >>9VAC - 1.5A (TDA1541A -5V)
> >>9VAC - 2A (reclocker) - this may depend on the actual reclocker
> >>22VAC - 2A (TDA1541A -15V)
>
>Yes, that is it. Though my transformer has secondary windings leads
>positioned at distance of about 20 degress, thus they covers about
>half of the full circle.
>
>
> > We don't need any secondaries exiting the trafo at the 9 o'clock position.
> > The re-clocker secondary would be floating until employed.
I phoned Antrim's technical designer and had a chat about the secondaries. They have been able to produce for us secondaries that exit every 20 degrees or so from the 3 o'clock position - the primaries are at the 12 o'clock position.
In effect, our trafo replicates the original that Pedja specified. The not so good news is that, as all the windings are separate and none can be bi-filar, the cost has risen again slightly to 41.15 (plus delivery plus VAT). I hope that no-one is inconvenienced by this small rise - I gave the go-ahead knowing that you all want to get a quality trafo that will install with ease.
Delivery details etc will be confirmed when Antrim call nearer to job completion.
In the meantime, pse will you PM me your real name and delivery address so I can draft a plan for Antrim. I will not disclose your details to anyone bar Antrim.
More info as it comes.....
Jon
Noted that the Germany orders will go to Michi124. Antrim will commence production and will give me a call when the trafos are almost ready. The will ship then invoice me. I intend to pay on CC and will then ask for payment from you guys. More details will be added to the WIKI. I'll close it this weekend.
The Spec and Antrim Quote from 9 Feb 05
Encsapsulated:
Antrim Transformers Ltd
Type Number: 7451GPP Your Reference: PRDAC
Power Rating: 161VA Lead Type: solid
Regulation: approx 7% Lead length: approx 200mm
E/S Screen: tape wound (green/yellow striped flex)
Primary Windings:
0-115V @ 50/60Hz (brown-white @ 12 o/c)
0-115V @ 50/60Hz (black-white @ 12 o/c)
For series/parallel operation
Secondary Windings:
0-22V @ 2A rms (green-green @ 3 o/c)
0-9V @ 2A rms (violet-violet @ 3 o/c)
0-18V @ 1.5A rms (red-yellow @ 6 o/c)
0-18V @ 1.5A rms (blue-grey @ 6 o/c)
0-9V @ 1.5A rms (green-violet @ 6 o/c)
0-9V @ 1.5A rms (orange-pink @ 6 o/c)
0-9V @ 1A rms (red-yellow @ 9 o/c)
0-9V @ 1A rms (blue-grey @ 9 o/c)
Additional Information:
Approved to EN 61558-1:1997, UL506 & C22.2
A selected, impregnated core is used at reduced flux density for low mechanical noise. Wound for low stray field.
Potted into a (grey) plastic shell � see 7452GP for a cheaper version with a potted centre.
Connectors are not fitted as we do not stock male bullets as these are normally used on car connectors (did you mean bootlace ferrules)? If we do fit connectors then flexible leadouts will be required. Unfortunately the fitting of flexible leads (20 in this case) will substantially increase stray field (and the prices).
Approx Weight: 2.6kg Approx Dimensions: 125 x 53mm
(these exclude leadout bulges)
Mounting Method:
central M6 clearance hole
Price per transformer:
10-24: �35.88
25-99: �32.04
100+: �25.68
Despatch: prototype: 10-14 days from receipt of order
quantity: 3-5 weeks from receipt of order
Unless otherwise specified, all secondary voltages are on load values.
Please note we always start manufacture of a production batch with a 5% overbuild to allow for possible rejects. All transformers passing final test (ordered quantity � 5%) will be despatched and invoiced. If, however, you can afford losses, then please specify the start quantity, e.g. to order the minimum batch size specify "start at 10 off ", otherwise we will start at 11 off.
A prototype is recommended but not compulsory.
Prices exclude VAT and delivery charges. Quotation is valid for 30 days.
PAYMENT GUIDANCE
Single payment from me to Antrim. Trafos will be individually mailed to your home address. I'll check whether they'll post direct to EU adresses or whether I need to post the trafos on.
THE LIST
| # | User Name | Country | Number | Comments |
| 01 | jonclancy | UK | 1 | None |
| 02 | cyteen | UK | 2 | None |
| 03 | Calimero | The Netherlands | 2 | None |
| 04 | curva | germany | 1 | None |
| 05 | Michi124 | Germany | 2 | None |
| 06 | Andy P | UK | 1 | None |
| 07 | Blitz | Germany | 1 | None |
| 08 | Leo | UK | 1 | None |
| 09 | Edgar | Norway | 1 | None |
| 10 | UK Dave | UK | 1 | None |
| | | Total Number is | 13 |
