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Make this my favourite *RARE* ZX Interface 1 ULA Chips - LA15-312

Category:
Retro Computers >> Sinclair >> Sinclair ZX Spectrum >> Components
Listing type:
Fixed Price Multiple Items
Item Condition:
New
Seller location:
Stoke-on-Trent, Staffordshire, United Kingdom
Ending in:
This listing is closed (05/06/2017)
Quantity Available
0
Latest buyer:
B***n (5)
Fixed price:
£15.00
Number Sold:
61 (View history)
Buyer Value Date and hour Quantity bought
B***n (5) £15.00 28/05/2017 12:27:21 1
p***t (2) £15.00 11/05/2017 11:25:46 1
d***u (27) £15.00 18/04/2017 22:03:35 1
c***s (3) £15.00 06/02/2017 11:59:43 1
h***e (3) £15.00 21/11/2016 10:22:18 1
B***r (4) £15.00 21/10/2016 12:36:20 1
C***7 (10) £15.00 03/10/2016 11:24:02 1
s***n (1) £15.00 26/09/2016 23:53:32 1
A***0 (3) £15.00 07/09/2016 17:28:45 1
b***c (6) £30.00 11/07/2016 17:44:30 2
a***r (3) £15.00 21/05/2016 14:38:10 1
u***k (11) £15.00 29/04/2016 12:23:03 1
O***m (3) £15.00 10/04/2016 13:57:15 1
z***n (625) £15.00 27/02/2016 09:35:34 1
n***o (4) £15.00 14/01/2016 10:29:05 1
n***o (4) £15.00 14/01/2016 10:28:45 1
g***k (10) £30.00 22/12/2015 17:20:42 2
b***2 (20) £30.00 22/11/2015 20:23:05 2
D***k (40) £15.00 22/11/2015 12:32:05 1
u***s (10) £30.00 11/10/2015 10:36:30 2
r***k (5) £15.00 25/05/2015 09:50:21 1
B***k (12) £30.00 08/05/2015 03:09:08 2
m***c (1) £15.00 06/04/2015 00:34:13 1
s***5 (9) £15.00 18/03/2015 04:14:08 1
z***8 (4) £15.00 09/01/2015 21:51:02 1
l***l (3) £45.00 27/12/2014 10:57:42 3
a***l (2) £15.00 24/08/2014 23:15:06 1
a***l (2) £15.00 24/08/2014 23:14:37 1
C***o (23) £15.00 09/07/2014 07:32:22 1
K***k (39) £15.00 05/07/2014 23:14:34 1
r***6 (7) £15.00 01/07/2014 21:05:13 1
C***o (23) £15.00 24/06/2014 21:13:00 1
s***o (27) £15.00 11/06/2014 18:52:09 1
s***b (7) £60.00 03/04/2014 18:38:56 4
p***o (3) £15.00 11/03/2014 01:01:41 1
r***r (2) £15.00 06/03/2014 21:45:53 1
R***k (6) £45.00 03/03/2014 17:48:47 3
s***a (2) £15.00 29/12/2013 11:25:41 1
j***e (35) £15.00 27/12/2013 07:12:21 1
v***k (6) £45.00 03/12/2013 18:15:42 3
Y***n (5) £30.00 02/12/2013 18:19:36 2
Y***n (5) £30.00 21/11/2013 14:08:15 2
c***3 (31) £30.00 19/11/2013 22:17:13 2
g***o (40) £15.00 12/11/2013 22:21:04 1
Shipping Costs:
From only £1.50 or buyer collect
Payment methods:
Paypal, Bank transfer
Feedback on this Item
PositivePositive B***n (5) Excellent, thank you! 21/06/2017 09:56:42
PositivePositive p***t (2) As described, fast shipping. I heartily recommend ! 26/05/2017 15:07:48
PositivePositive d***u (27) 03/05/2017 07:09:44
PositivePositive C***7 (10) super fast delivery, everything O.K., gladly again 06/10/2016 18:36:23
PositivePositive A***0 (3) Product received in Brazil 02/10/2016 16:17:29
PositivePositive b***c (6) Very good stuff! Great seller, fast shipping! A+++++ 100% LA15-302 replacement! 18/07/2016 22:52:49
PositivePositive u***k (11) Good communication, top seller.All OK. Thank you. 30/06/2016 06:13:14
PositivePositive z***n (625) All ok like always. Thanks 22/04/2016 17:26:35
PositivePositive n***o (4) Perfect! Thank you! 30/01/2016 19:20:26
PositivePositive n***o (4) Perfect! Thank you! 30/01/2016 19:19:55
PositivePositive b***2 (20) Ok. 11/02/2016 21:25:27
PositivePositive D***k (40) Best price, 1A+ excellent service, totally happy 12/06/2016 14:52:01
PositivePositive r***k (5) well packed, good seller 02/06/2015 11:04:15
PositivePositive B***k (12) Sorry about the late feedback. Great service as always. 19/12/2015 06:35:30
PositivePositive z***8 (4) Good and fast transaction. Thank you. 17/06/2015 18:59:17
PositivePositive K***k (39) Great seller, item as described and fast shipment. Thank you! 19/07/2014 09:19:52
PositivePositive s***o (27) OK Pecfect AAAAA+++++ 01/10/2014 20:58:49
PositivePositive p***o (3) excellent seller! I intend to buy more itens soon. 21/04/2014 21:18:00
PositivePositive r***r (2) All perfect 14/06/2014 16:55:05
PositivePositive j***e (35) Fast and excellent service! 28/01/2014 10:56:15
PositivePositive v***k (6) The package was delivered without any problems. 23/12/2013 07:16:40
PositivePositive c***3 (31) Envoie Très rapide , transaction parfaite . Merci 25/11/2013 20:12:34
PositivePositive g***o (40) 17/12/2015 22:55:21

Item Number : 3481

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Description

These are extremely rare new old stock ULAs for the Sinclair ZX Interface 1.

Part number LA15-312, we have tested a sample of these and they work fine.

The ZX Interface 1 is much loved and was another great innovation from Sinclair Research Limited.  Not only does it provide the Sinclair ZX Spectrum with access to up to 8 ZX Microdrive units for fast tape storage, it also provides a serial port and two ZX Network ports allowing you to connect up to 255 Sinclair ZX Spectrum home computers and Sinclair QLs together to share programs and data.

Unfotunately, many ZX Interface 1 ULAs overheat, and the effects can generally be seen by a small melt mark on the top of the Interface 1 case - see the image gallery for an example of this.

For years, people have been searching for these (the service manual refers to part number LA15-302), and many Interface 1s have become unusable due to the lack of a replacement part.

Stocks are limited!  You will need to be able to desolder the original ULA and solder these in place.

Please feel free to ask any questions you may have - a fitting service is available if required.


-- Buy with Confidence - RWAP Services have been supporting the Sinclair since 1987 --

Picture gallery

  • *RARE* ZX Interface 1 ULA Chips - LA15-312
  • *RARE* ZX Interface 1 ULA Chips - LA15-312

Questions and Answers

  • Question: Is this item suitable for a rubber key 48k spectrum? And how much do you charge for fitting

    Posted by S***h (4) - 10/04/2014 13:29:21

    Answer: No - this is the ULA for the Sinclair ZX Spectrum Interface 1 (which you use for connecting a ZX Microdrive to the Spectrum). You need a ZX Spectrum ULA 6C001E-7. The ZX Spectrum ULA is normally in a socket (so easy to fit) - the problem is finding spare ones!

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Shipping and Payment

Item Location:
Stoke-on-Trent, Staffordshire, United Kingdom
Shipping conditions:
Buyer pays shipping expenses
Shipment fee:
  • To United Kingdom :
  • First Class Post : £1.50 For initial item, £0.10 Per additional item
  • Collection in Person : FREE
  • To EU :
  • Airmail Post : £3.80 For initial item, £0.10 Per additional item
  • To Rest of Europe :
  • Airmail Post : £3.80 For initial item, £0.10 Per additional item
  • To Americas :
  • Airmail Post : £4.60 For initial item, £0.15 Per additional item
  • To Rest of World :
  • Airmail Post : £5.70 For initial item, £0.15 Per additional item
Shipment terms:
Items shipped within 1 working day normally.

Please ask if you want recorded delivery.
Payment methods:
Paypal, Bank transfer

The seller accepts all responsibility for this listing

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