jamesm77
New Member
I recently purchased a CA-810 in need of some TLC, more than the seller probably suspected and more than I'm prepared to take on with my own hands as I really like the amp and would like to see it returned to its prime instead of becoming a series of Band-Aids and hacks.
I've replaced the lamps with white LEDs (also the appropriate limiting resistor for them) and run some deoxit through the pots and switches to fix the crackles and intermittent left channel. I took a shot at adjusting the bias as it was running really hot, got one channel spot on but the other just wouldn't come into spec, it's been a few weeks now and I want to say the voltage measures between 10%-20% high when dialed all the way down, so something is definitely off.
It sounds really good despite whatever issues it has, currently I'm bypassing the preamp/tone controls and feeding the amp side from the preamp of my Schiit Valhalla 2 (mostly just because I can, but also partly because the volume control is easier to reach) and it has no problem rattling the walls with just a little pair of Definitive Technology StudioMonitor 350s.
Does anyone know if there's anyone who works on these in the Eastern MA or Southern NH area? (or anywhere else in the US, though I'd prefer not to ship it)
Thanks!
James
Sent from my Surface Pro 2 using Tapatalk
I've replaced the lamps with white LEDs (also the appropriate limiting resistor for them) and run some deoxit through the pots and switches to fix the crackles and intermittent left channel. I took a shot at adjusting the bias as it was running really hot, got one channel spot on but the other just wouldn't come into spec, it's been a few weeks now and I want to say the voltage measures between 10%-20% high when dialed all the way down, so something is definitely off.
It sounds really good despite whatever issues it has, currently I'm bypassing the preamp/tone controls and feeding the amp side from the preamp of my Schiit Valhalla 2 (mostly just because I can, but also partly because the volume control is easier to reach) and it has no problem rattling the walls with just a little pair of Definitive Technology StudioMonitor 350s.
Does anyone know if there's anyone who works on these in the Eastern MA or Southern NH area? (or anywhere else in the US, though I'd prefer not to ship it)
Thanks!
James
Sent from my Surface Pro 2 using Tapatalk