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In Reply to: RE: 1958 Harman Kardon TA230 find posted by airtime on September 17, 2016 at 08:18:45
Very much worth doing a "restomod" and Mike Samra is an obvious candidate for the job.
The OP's Valencia speakers are plenty sensitive. 8 WPC is enough for 94 dB. sensitive speakers. The OP has speakers at least 3 dB. more sensitive and 15 WPC to feed them. Ear bleeding SPLs might be available.
Eli D.
Follow Ups:
Now it's up to you to decide if you want to keep this piece.
I use my Sherwood every day. It's nice to have a little tubed stereo around the house.
You got it for $50. So the restoration would be about what the unit would cost. Mike is obviously a fair guy. It ain't cheap but it will out last the both of us if restored. It takes a lot of hours and years of experience to bring these babies back up. And I'm sure it's going to need some tubes.
Unfortunately, this HK is not in the same ballpark as the Sherwood and never will be even with professional restoration.
I doubt anyone would even rank this in the top 10 of vintage tube receivers. IIRC, the tuner section on these is actually mono with a provision to hook up an external multiplex.
And if you don't really need a tuner the list of better integrated amps is even longer.
If I was going to spend hundreds of dollars to have something restored I'd suggest starting with something that had more potential.
"IIRC, the tuner section on these is actually mono with a provision to hook up an external multiplex."
That is easy enough. DIYer extraordinaire S. Bench to the rescue.
Eli D.
No, not a problem. It's easy enough to add a multiplex but it is an additional expense. I just wanted to let the OP know that just because the amp is stereo that the tuner sections on some of these early receivers were sometimes mono.
Personally, I like mono. When I listen to radio it's usually with my Sherwood S-3000 mono tuner connected to a mono SE 6V6 Zenith console amp driving an Altec corner cabinet loaded with a 604C driver. Unfortunately, I can't find much worth listening to around here.
You'll Laugh but I have that chip kicking around the house.
.. I find it interesting that Valencia datasheet did not specify a
H.F. driver ..
Willie
Because it dosen't. It's a two way with the horn driver going out to about 14k htz. I us a Fostex or EV horn tweeter to extend the highs as I see fit.
... I meant the datasheet did not specify whether the H. F. driver was an Altec 802, Altec 806,Altec 807, or Altec 808.
For my Valencia's which were original Valencia A's, but I modified the cabinet to have the two big side vent tubes, and they use Altec 806 for H.F.
The Altec 806 has a shorter magnet, not as long as a 802,807 or 808.
That helps to explain why Valencia's need help on the High end.....
sometimes. YMMV .
Willie
Will
Open the linked thread and scroll down. I have the same in the utility cabinet but came with 806 HF drivers which appeared to be original to the horns. Many mods later, they are closer to a model 19.
Thanks Mike
That was a very helpful link. .... With my (reconed to 416) Altec 421 L.F. Woofer, my Altec 808 H.F. drivers and my now Dual ported 846A cabinet....
I'm now calling my Valencia's a Valencia B ... AKA 846B.
I won't talk about the crossover....
Willie
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