I picked up a L7 from ebay. The amp itself looks to be in excellent condition
but the power supply is a different story. It looks like someone started to
take it apart to rebuild the boards but they only got as far as removing one of
the boards. Before I try to rebuild the existing boards (I
Hi Brian,
As far as I know, Heath and Harbach boards are the same. Be careful with
hardware and make sure that there is enough space between surrounding
components to prevent arc over. Be sure and change the resistor in the bias
circuit. Can't lay my hands on my instructions right now,
Here's a nice touch for your C-Line, TR-4C, 2C, 2NT, MN4, W4 or MN2000. I
have an unused sheet of the Brady labels which includes these models.
The only problem is that there are two staple holes in the R4C MUTE label,
but not through the type. I think they may have originally been provided
Brian,
I've done Mike's (The Heathkit Shop) rebuild. 1st rate, clear
instructions, pretty simple. Replaces most everything but the 50K
bleeders and the bias resistor. Jeff at Harbach has those
available. I'd do those also.
Rick
W9WS
On Oct 1, 2009, at 8:41 PM,
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