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Since you're not afraid of metal work

Posted by 1973shovel (A) on July 11, 2021 at 17:49:54

In Reply to: RE: So what's your point posted by pictureguy on July 11, 2021 at 15:17:06:

Below is a link to a Hammond chassis which is larger (17" x 10" x 4") than a ST-70 chassis, and I think it's better looking, unless you're REALLY into Dynaco nostalgia. It would give you more room to work, you'd be able install a higher value choke, and perhaps even two 5AR4 rectifiers. It's on sale for $86.42 at the moment.

Since it's made of aluminum, you'd be able to put in the IEC AC inlet of your choice, and still use the VTA, or some other input circuit. Dynakit parts sells a transformer kit, and so do some other places. Another nice thing about a larger chassis is that you could actully fit a binding post for the 16 ohm tap on the back, in addition to the 4 and 8 ohm taps. Notice on the current version of the ST-70, the 16 ohm tap is capped off internally because there isn't room for the two extra (larger) binding posts.

Rather than buying a kit, and immediately start modifying the chassis, giving yourself a "proper" sized chassis from the onset will make your experience easier, long term. I can't vouch for the quality of the Hammond, it's more about giving you other ideas.

• Hammond chassis   (Open in New Window)

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