I need to determine the model of an amp I picked up recently.
It's one of the old blue Reference series, somone decided to strip the pain off the heatsink and chrome it, it looks nice but I can't tell what it is, and he had no idea either.
From the size and imputs/connectors put it down to two models a REFERENCE 300 or a REFERENCE Class A 3.0.
I have a 300 and compared the baords and it looks different, I then checked the images on ampguts and what I saw did'nt match either.
The specs on the board state:
SOUNDSTREAM
REFERENCE
540-595
REV H
I can upload an image if required.
Thanks in advance
George
It's one of the old blue Reference series, somone decided to strip the pain off the heatsink and chrome it, it looks nice but I can't tell what it is, and he had no idea either.
From the size and imputs/connectors put it down to two models a REFERENCE 300 or a REFERENCE Class A 3.0.
I have a 300 and compared the baords and it looks different, I then checked the images on ampguts and what I saw did'nt match either.
The specs on the board state:
SOUNDSTREAM
REFERENCE
540-595
REV H
I can upload an image if required.
Thanks in advance
George
That's where the similarities end. on my amp there are diodes between the resistors, similar to the image of a SS REF CA3.0 on ampguts. But it's just quite the same.
see image - http://farm3.static.flickr.com/2204/2450620406_145905767a_b.jpg
see image - http://farm3.static.flickr.com/2204/2450620406_145905767a_b.jpg
They probably used the same board for the class A 3.0 and the ref 300.
Yours appears to be the 3.0. The class A amps used 1 ohm emitter resistors and parallel diodes. The non-class A used 0.27 ohm resistors without the diodes.
Yours appears to be the 3.0. The class A amps used 1 ohm emitter resistors and parallel diodes. The non-class A used 0.27 ohm resistors without the diodes.
- Status
- Not open for further replies.