Christian Christensen wrote:
Søren, "fast wearing" ?
Have the Bogen heads had general issues if need of replaycement ?
Almost impossible to find today I asume. ?
Christian
Don't worry too much - they were the best heads available back then, along with the Woelke heads that came with Revox and Studer decks.
I have used my 1800 for lots of hours with both new, well calendered (polished) tape and older abrasive (think AGFA PER525, BASF LGR50 and Scotch 203) and they still seem fine; I just know that they are made of soft permalloy, but the wear time should still reside in the 200-300 hours region (if not more; the soft Revox heads last a little longer.)
If the heads are pretty worn you should still be able to pull some extra life out of them through a relapping (albeit expensive.)