Re-building the Altec 515B & 803B's
- Thread starter SIDEWINDER18X
- Start date
srinisundar
Well-Known Member
Nice, whose drivers are those ?
Not right to ask the names of his clients.
SIDEWINDER18X
Well-Known Member
GeorgeO
Well-Known Member
Looking good. The 515s are not easy to find these days.
viren bakhshi
Well-Known Member
One set of Altec 515B's, reconed and recharged by SIDEWINDER18X, reached me some time ago. An excellent job on the drivers.
Did parameter measurements:
......................Sample 1.........Sample 2.......GPA 515-16C(Olson)
...Re....................6.1................6.0...................10.1
...Fs...................20.6..............21.1...................19.7
...Vas.................848................946...................942
...Qts..................0.16...............0.13..................0.23
...Qms.................2.38...............2.03..................6.65
...Qes..................0.17...............0.14..................0.24
...Le....................0.99...............0.92..................2.0
...Mms................66.9...............57.1..................66.3
...BL...................17.6...............18.0..................18.6
...Eff...................98.2...............99.9..................95.7
Keeping in mind that Olson's driver had a 16-ohm voice coil, this is very close agreement to the GPA drivers. Again, a really good job
Viren
Did parameter measurements:
......................Sample 1.........Sample 2.......GPA 515-16C(Olson)
...Re....................6.1................6.0...................10.1
...Fs...................20.6..............21.1...................19.7
...Vas.................848................946...................942
...Qts..................0.16...............0.13..................0.23
...Qms.................2.38...............2.03..................6.65
...Qes..................0.17...............0.14..................0.24
...Le....................0.99...............0.92..................2.0
...Mms................66.9...............57.1..................66.3
...BL...................17.6...............18.0..................18.6
...Eff...................98.2...............99.9..................95.7
Keeping in mind that Olson's driver had a 16-ohm voice coil, this is very close agreement to the GPA drivers. Again, a really good job
Viren
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