Major Production Changes in NAC 52 Production History.

*** We cannot economically carry out the "Unity Gain" modification on early (pre S/N 79143 ) 52s.

RC5 Remote Control Operation
From May 1992 (S/N 78817)

*** Main Board Revision 3 (latest)
From Oct 1992 (S/N 80965) links fitted in place of link boards.

Pots 7 (Volume & Balance)
From Nov 1996 - To Nov 1997 (S/N 126147 - S/N 137809)

*** Pots 8 (Volume & Balance)
From Dec 1997 - To May 2003 (S/N 138507 - S/N 195336 End of Production)

Logic Board PIC Control issue 7
Small extra functionality with Flash Remote From Dec 1998 (S/N 149934)

Owners of 52 with pots earlier than Pots 7 (S/N 126147) could benefit from an upgrade to pots 8
- cost around £265.

We change the number of tie wraps applied to wiring looms. This is a simple and worthwhile modification.

The last price we had for the control board replacement was around £1,200 and we did not recommend it. We now do not offer this.

This message has been edited. Last edited by: Steven Hopkins,