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NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 3:47 pm
by MikeC
Picked this up over the weekend - an Avo C.T. 160 valve tester. Might be very handy soon... :wink:
Avo C.T 160 Valve Tester.jpg
Avo C.T 160 Valve Tester.jpg (3.02 MiB) Viewed 1906 times

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:25 pm
by Bg
oh, score!

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:26 pm
by Bg
I guess a logic probe is the digital amp equivalent :D

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:33 pm
by griff
Crikey.. I wouldn't know where to start with that thing.
Awesome nonetheless

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:34 pm
by JoeBlow
Interesting piece of kit :thumbup:

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:43 pm
by Bg
man you just need a valve based oscilliscope to go with this :)

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 4:46 pm
by MikeC
griff wrote: Sun Mar 20, 2022 4:33 pm Crikey.. I wouldn't know where to start with that thing.
Awesome nonetheless
It came with the manuals so I started with them :yawn:. Haven't plugged it in yet (let alone plugged a valve in to test)!
I got hundreds of valves too :D

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 5:11 pm
by Bg
MikeC wrote: Sun Mar 20, 2022 4:46 pm
griff wrote: Sun Mar 20, 2022 4:33 pm Crikey.. I wouldn't know where to start with that thing.
Awesome nonetheless
It came with the manuals so I started with them :yawn:. Haven't plugged it in yet (let alone plugged a valve in to test)!
I got hundreds of valves too :D
anything useful or are they radio ham? (CQDX @JB)

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 5:19 pm
by Cdog
Looks in good nick nate, score!

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 5:32 pm
by clubhouse
Beautiful machine, man, and in the right hands too! S'hot score! Diggin' the knobs, meters, dials, graphics...the whole vibe...kinda a portable Goldfinger laser-beam fuckeruppera, control console, deal going on.

Just wondering...does one bother to calibrate these things or just use them as they are and reference the valve measurements against that particular tester?

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 5:33 pm
by MiniForklift
Looks awesome, nice score Mike. FWIW I also came here because someone said ‘probe’ :)

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 6:17 pm
by MikeC
clubhouse wrote: Sun Mar 20, 2022 5:32 pm Beautiful machine, man, and in the right hands too! S'hot score! Diggin' the knobs, meters, dials, graphics...the whole vibe...kinda a portable Goldfinger laser-beam fuckeruppera, control console, deal going on.

Just wondering...does one bother to calibrate these things or just use them as they are and reference the valve measurements against that particular tester?
I'm gonna calibrate it - downloaded the calibration manual this arvo.

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 6:30 pm
by MikeC
Bg wrote: Sun Mar 20, 2022 5:11 pm
MikeC wrote: Sun Mar 20, 2022 4:46 pm
griff wrote: Sun Mar 20, 2022 4:33 pm Crikey.. I wouldn't know where to start with that thing.
Awesome nonetheless
It came with the manuals so I started with them :yawn:. Haven't plugged it in yet (let alone plugged a valve in to test)!
I got hundreds of valves too :D
anything useful or are they radio ham? (CQDX @JB)
I've only just started going through the valves and am ruthlessly throwing out anything unmarked or well-used looking. There's definitely some valve-amp suitable stuff and I've already discovered a bunch of NIB NOS made in USA JAN 5751's. There's Mullard's floating around too but I'm a way off figuring out exactly what I have.
NOS 5751.jpg
NOS 5751.jpg (842.36 KiB) Viewed 1769 times

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 6:34 pm
by MikeC
Bg wrote: Sun Mar 20, 2022 4:43 pm man you just need a valve based oscilliscope to go with this :)
(Embarrased) - I've actually already got a Tektronix digital scope :oops:

Re: NVTD: Avo C.T. 160

Posted: Sun Mar 20, 2022 7:00 pm
by MikeC
Here's a possible gem - these are genuine Fender water-slide decals for Telecaster, Stratocaster, Precision Bass & Jazz Bass. They have Fender part numbers - apparently back in the day you could get spare decals from Fender!