BOSS PH-1 1978 silver screw
Vintage BOSS phaser.
We have determined from the silver screw and serial that it is from around 1978.
PH-1 is a 4-stage phaser circuit with FETs.
The sound and tone are quite shallow, and even with the knob turned all the way down, the sound is much lighter than the current version.
The RATE speed is 16 sec/sec when turned fully left,
The rate speed is 16sec when turned fully left / 100ms at the fastest speed when turned fully right. (slowest 16sec / fastest 0.1sec)
Please note that this is ACA power supply compatible.
The rubber for the screw fix was missing and has been replaced with a new one.
This is a very refreshing sounding PH-1, and a very rare one in stock.
Please take this opportunity to try it out.
Specifications
Sales periodNovember 1977 - November 1981
Country of manufactureMade in Japan
ControlsDEPTH, RATE
Connection terminalsINPUT, OUTPUT, AC adapter
Compatible adapter ACA-100
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