[Avodah] Keil melech neeman

[David E Cohen]

R' Joel Rich asked:
> Does anyone know why we say this before shma when we are saying it
> byichidut (& it seems a hefsek) rather than repeating hashem eilokeichem
> emet at the end of the shma (as the chazan does)?

This exact question is addressed in Chapter 15 (p. 285) of Prof. Ta-Shma's
"Minhag Ashkenzaz ha-Kadmon."

If those who don't have access to it are interested, I can b"n write up a
short summary after Shabbos.

--D.C.