GR Research

Album for images posted to GR Research

The Coral drivers are NOS 12L-1's from 1965 while I am refoaming the originals	I may decide to leave them permanently. They sound incredible with my tube amps.	YL Harmonia	NOS Coral 1970-1?
The original sales book	YL Harmonia	No ferrous content remaining	No ferrous content remaining
Crossovers for YL Harmonia 159,00 yen apiece in 1966 2nd recap upgrade to Jupiters	Crossovers for YL Harmonia 159,00 yen apiece in 1966 2nd recap upgrade to Jupiters	Crossovers for YL Harmonia 159,00 yen apiece in 1966 2nd recap upgrade to Jupiters	Crossovers for YL Harmonia 159,00 yen apiece in 1966 2nd recap upgrade to Jupiters

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