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Big Red’s were very popular and still in use i. Just curious how a field coil driver would be a further step. So, for me, the notion that we bring into our lives that to which we give our attention does remain a bona fide conviction. King had included a correction factor for vent length in his program. Crossover network is included. Dickason is correct, the effective length of our vent is very much greater than the physical length. At some point, I had removed some of the batting we used for internal damping to see if the bass frequencies would increase in amplitude or extension but things were still a no go.

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Used altec 8h for Sale |

The results represent many hours of work and as you might imagine, there are still things to be finalized with respect to the crossover. The emphasis of this list is on and relatives as applied to control room and playback monitor systems.

This is the vent length we had input to the Martin J. The sectoral horn of the G was replaced by a blue one piece exponential horn.

Altec Lansing / Great Plains Audio Custom 604-8H-II Rare and Unique Opportunity! [Expired]

Maybe you will end up rebuilding the crossovers and sending those 604-8h-ki speakers to us for restoration to a listenable condition. Bringing the somewhat prominent bass into better balance. List your items fast and easy and manage your active items. This is a work in progress Everything you see is included, except tweeter driver is not included.

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Other models in the series were the which had a single in a box with no additional woofer and the which was a single in a huge box with two additional woofers. We thought the speakers were a little bass heavy there and raised them about two inches further off the floor, then about four inches further. Circumferential Multicell HF horn: NA – series filter network Impedance: However, the “K” series went through a number of revisions and I have no way of deciphering which is which.

At some point, I had removed some of the batting we used for internal damping to see if the bass frequencies would increase in amplitude or extension but things were still a no go.

Low Frequency Voice Coil Diameter: Further the “H” and original “K” series had a notorius spike in 604-8h-ki in the kHz region. We glue and pin every joint as well as gusset and brace.

Learn More – opens in a new window or tab. Disillusioned, all we 604-8h-ik do was look at each other and proclaim it a Salmon Day. This item will ship to United Statesbut the seller has not specified shipping options.

At first we had the bottom of the speaker 4 inches from the floor, putting the alhec of the driver 39 inches off the floor. The unit equipped with to this pair is C. Jay, thanks for your major contributions to our effort. If it were a guitar pedal, avoid sticking Velcro on it and mounting to your p I have a complete pictorial history of the construction.

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You may like one of these similar items: This altex is strongly influenced by Jay Fisher’s enclosure design, the primary difference being cabinet construction details to reduce weight. The seller has specified an extended handling time for this item.

The drivers are the current heirs to a speaker legacy spanning over 60 years. NC – series filter network Network input impedance: These were built alltec the dream of taking the system commercial, but life simply got in the way. Get the item you ordered or get your money back.

Altec D 15″ Duplex Speaker Magnets: These speakers have not been tested but are sold as functional. It was stuck to the mounting board and tore away when it was removed.