Space Echo sound on sound

[Mike Peake]

Juergen Haible wrote:

>Wasn't there a Space Echo that could do Sound-On-Sound ?
>I have the RE-201 model, which cannot do it.

I think it's the 501/555 that has SOS.
>
>I tried to short the erease head (with 470 Ohm to prevent damage),
>and I got the desired loooong delay (30sec.) indeed.
>But this also disables the HF bias for the recording head, and
>so new sounds go to the tape distorted. Sure, I could control the
>HF current to the erease head *only*, but then, wouldn't the HF bias
>in the recording head still partly erease the previous material ???
>(not at all sure about that - anybody knows for sure?)

I put a switch on the erase head of a 101 (?) space echo several years 
ago. I didn't use a resistor, I just put a switch in line with one of the 
wires. An uneducated mod, but it worked, and didn't add distortion. 
Sounds would eventually fade away, getting darker and darker. A nice 
addition.

Easier,

Mike


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