VOX electronics, Iron, models:

8606019600174	Operating Instructions Manual
8606108251287	Operating Instructions Manual
8606108251294	Operating Instructions Manual
DBL-5003	Operating Instructions Manual
DBL-5007	Operating Instructions Manual
DBL-5010	Operating Instructions Manual
DBL-5030	Operating Instructions Manual
DBL-5069	Operating Instructions Manual
DBL-5071	Operating Instructions Manual
DPS-6220	Operating Instructions Manual