Terry Palmer

I’m not exactly sure either. Hps4000.com Sent from my iPhone using Tapatalk

Nothing but filled them with some insulation and put a new back on with the 4”x4” port from Dayton. Moved the crossover to a side wall ( in these HP-70’s it was mounted on the back). Also added banana plugs for inputs. That’s all so far, I haven’t had time to tweak it much. Sent from my iPhone using Tapatalk

That’s interesting, so maybe it’s not as much of a frequency thing, as it is an openness sound. I have a pair of Fortes and Hersey HD’s. It seems I can never tell if the tweeters are working until I stick my ear right up against them. But I know they are by the presence of air, cymbals, bells, brushes and etc. Sent from my iPhone using Tapatalk

I agree! The maximum a human can hear is 20 k, but that’s mainly children and into twenties. Most adults can only hear up to about 17k or 18k. As you get older 40’s - 50’s you can only hear around 10k to 12k So it doesn’t matter if the horn goes to 40k and you turn it up. You’re ears only hear what they hear. I’m 59 and I’ve played music most of my life. I wear hearing aids and can only hear up to 8k. Plus as Tony stated there’s not much musical information above 17k. Just my two cents worth. Sent from my iPhone using Tapatalk

I got my speakers converted. The bass is so much better. Even on a short stand up off the floor there’s nice bass. Sent from my iPhone using Tapatalk

It is a little difficult to change tracks on vinyl. Lol Sent from my iPhone using Tapatalk

That is true. I forget about that. Everything I own is Apple. Sent from my iPhone using Tapatalk

My understanding is that AppleLosses is the same as FLAC and that can be done through iTunes. That’s how I rip all mine. Sent from my iPhone using Tapatalk

My ports from Parts Express came in. 4” x 4”. Looks like I’m going to have to get a little creative as where to place them because their opening needs to be 5”dia. Sent from my iPhone using Tapatalk

Yes you are correct!! I meant the K55. Do you think porting the cabinets would help? Sent from my iPhone using Tapatalk

Cool! Was that not a copyright infringement? Because almost identical to the Hersey I’s they do sound good. Not a lot in the low end. I think the specs say 50hz. I’m hoping with the port and insulation they’ll go lower. Sent from my iPhone using Tapatalk

Yea the driver on the horn has the dual phase plugs. Sent from my iPhone using Tapatalk

Could have been. I’m not sure where John Allen comes in. I actually talked to him on the phone. I was also talking to Bob Creits about them he said he was looking for a pair. He told me that John Allen is where Klipsch gets most of its horns and drivers for the Heritage systems, now. Sent from my iPhone using Tapatalk

Thanks so much for all the information. Mine are actually a Hersey I copy. HPS 4000’s made by Klipsch for John Allen who’s main work if in Theaters and concert venues. http://www.hps4000.com/pages/sr_70_.html They came out of a theater that was being torn down. They sale for $750 ea. But I picked up three for total $250. They have the exact tweeter and midrange horn and driver as Hersey I’s but a beefier woofer. I believe it is made by Eminence. A sealed cabinet, MDF not Baltic plywood. Sent from my iPhone using Tapatalk

Thanks Claude! I ordered the ports yesterday. Sent from my iPhone using Tapatalk

Is there any other ideas for the ports? Would it be OK for the port to be in the center in the back. I will need to move the speaker inputs. I don’t have room to put the ports off to the lower corners. Sent from my iPhone using Tapatalk

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I’m a big Klipsch fan from AR. All my speakers in the whole house are Klipsch. I’ve been reading about speakers made out of the Dayton exciters, on foam board or other things. Has anyone tried one of these projects? Sent from my iPhone using Tapatalk

Yea I may check into just buying the capacitors and resistors myself and reloading by them. That’ll never admit it but size does matter. Lol Sent from my iPhone using Tapatalk

Yea I can get by, because I have built some speakers in the past. And built a few crossovers from some schematics. I actually have a whole box of resistors, capacitors and omh’s but nothing in the right value for the upgrade. Sent from my iPhone using Tapatalk

Yea I’m probably going to order the kit. Sent from my iPhone using Tapatalk

OK thanks Sent from my iPhone using Tapatalk

Would changing the tap setting bring down the db of the midrange horn? If so what settings. Sent from my iPhone using Tapatalk

Just curious about other hobbyist and what systems they have and what they like. Common interest. Sent from my iPhone using Tapatalk

Looking for fans and hobbyists in the St. Louis Metro area. Looking for conservation with like minded people and networking. Sent from my iPhone using Tapatalk