Re: Is this Tailgunner?

If you can believe MAME, Sundance used 4 2716 EPROMs.

Zonn wrote:
>
> On Wed, 13 Feb 2002 21:01:29 -0800, "David Fish" <dfish1@mediaone.net> wrote:
>
> >It's not TGII and it's not Barrier, the sound board layouts
> >look different. The EPROM daughter says Vectorbeam on it
> >which narrows it down some, Sundance was Cinematronics.
> >I've seen the daughter board used in TGII sets.
> >If the daughter board was ONLY made by Vectorbeam then
> >maybe the boardset WAS Warrior. I haven't seen a Space War
> >sound board, maybe it's that (?) D'know. Who is XY Vector?
> >Maybe he can tell us.
>
> I have a Warrior, and my Warrior uses TO-3 transistors as the audio amps.
>
> The sound board looks very similar to a Space War, off the top of my head it
> looks like there is an op-amp where I would expect a leaky transistor to be.
>
> IIRC Sundance audio looks a lot like a Space War board, so my guess would
> probably be Sundance.
>
> That and I think there are too many Roms for a Space War. It only use 2 2716s,
> so would only need 4 2708s.
>
> An ex-Cinematronics tech once told me that when Cinematronics bought Vectorbeam
> they got a sh$t load of those ROM boards.
>
> Larry Rosenthal laid out the daughter board to take advantage of a big surplus
> of 2708s floating around at the time. It seems the new "single supply" (oooww!
> aaaahh!) 2716s and 2732s were out and nobody wanted to place three level power
> supplies into their new designs, so 2708's were going for pennies on the dollar
> on the surplus markets. Vectorbeam designed the board once, and used it many
> times to take advantage of the prices.
>
> Cinematronics used it for the same reasons when they got hold of the boards.
>
> Sundance could easily have been shipped with 2708s.
>
> I'm thinking Sundance. (Though am kinda hoping for something exotic like Rocket
> Racer or Oops! or something... :-)
>
> -Zonn
>
> > ----- Original Message -----
> > From: big dog
> > To: vectorlist@synthcom.com
> > Sent: Wednesday, February 13, 2002 3:54 PM
> > Subject: Re: VECTOR: Is this Tailgunner?
> >
> >
> > Hi,
> > Are yall sure that was not a Sundance pcb, since he has the control panel for auction?
> >
> > Later,
> > Mark Capps
> >
>
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Received on Thu Feb 14 02:26:54 2002