Altec N-501-8A
A 2-way crossover network designed for Altec's Voice Of The Theater speaker systems
Overview
The Altec N-501-8A is a 2-way crossover network for Altec's "Voice Of The Theater" speaker systems, specifically the A7-500 series. It is a simple 2nd order, 12 dB/octave crossover. It runs at 8 ohms with a crossover frequency of 500 Hz. It shows up as a common part in vintage Altec setups, and modern drop-in replacements exist for restoration and upgrade.
Specifications
| Crossover type | 2-way |
| Crossover type | simple 2nd order |
| Crossover type | simple 12-dB textbook crossover |
| Crossover frequency | 500hz |
| Impedance | 8 Ohms |
| Component values | C1, C2 = 23.44uf |
Product Family
The Altec N-501-8A was used in the Voice Of The Theater A7-500 speaker systems.
Market
Units described as new were listed for $70 per pair in 1992. Repair work includes capacitor replacement, which owners can reportedly do themselves. Modern replacement units are the upgrade path.
Similar items on eBay
No exact Altec N 501 8A listings are live right now — these searches show current Altec and similar vintage audio gear on eBay:
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.
Related Models
- Altec 802-8E (1960s–1970s)
- Altec 804A
- Altec M-500 (1955)
- Altec N-1600A
- Altec N 809 8A
- Carver MXR-2000 (1983)
- A-Designs HM2EQ
- A-Designs KGB-II
- A-Designs KGB-ITF
- Accuphase DG-28