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When you talk to John, see if you can get him to elaborate some on the new driver designs on the various new 1000 series speaks.
Use of metal foils or other new or more exotic materials in the Walsh drivers again similar to original OHM Fs or even the modern German Physiks DDD driver would be news of interest to many who perhaps are partial to other Walsh driver designs.
When you talk to John, see if you can get him to elaborate some on the new driver designs on the various new 1000 series speaks.
Use of metal foils or other new or more exotic materials in the Walsh drivers again similar to original OHM Fs or even the modern German Physiks DDD driver would be news of interest to many who perhaps are partial to other Walsh driver designs.