Electro-Voice

Explore Electro-Voice vintage audio equipment in the Vintage Technology Archive.

Amplifiers

• CPS-1 — Electro-Voice CPS-1 Contractor Precision Series power amp — 230W/ch into 8 ohms, 2-ohm stable, 5-way protection, bridgeable.
• EV-7600 — Electro-Voice EV-7600 rack-mount power amp — 52 lbs, damping factor 250, dual 120V primaries, Speakon outputs. Pro sound workhorse.
• EV) 7300A — Electro-Voice EV 7300A two-channel power amp, made in USA, conservatively rated at 300 W/ch. Thin documentation, but a service manual survives.
• EV) AP2300 — Electro-Voice AP2300 (1989) dual-channel power amplifier, bridgeable to 8 ohms, with CX1 crossover module bay and per-channel clip LEDs.
• P1200 — Electro-Voice P1200 2-channel power amplifier — 500W into 4 ohms, 1000W bridged, Class AB sliding-bias design. A Precision Series workhorse.
• P1250 — Electro-Voice P1250: Dynacord-built 1995 touring amp, 1000W bridged mono, Thermal Brain Circuit, $1,900 list.
• P3000 — Electro-Voice P3000 Precision Series power amp — 1,200W/4 ohms, 4,100W draw, two-speed limiter, full protection circuits. A working pro's linear Class-AB bruiser.

Crossovers

• EV) XEQ-2 — Electro-Voice XEQ-2 single-channel electronic crossover — 18 dB/oct Butterworth, plug-in frequency modules, 25 µsec–2 msec LF delay, EV TL/HR equalization.
• EX-18 — Electro-Voice EX-18 electronic crossover — dual-channel 2-way or mono 3-way, 18 dB/octave filters, 100 Hz–8 kHz variable crossover, 1U rackmount.

Equalizers

• EV) S200 — Electro-Voice S-200 two-way 12-inch PA speaker (80-18000Hz) and its companion S-200 active equalizer, which extends low end to 50Hz and adds 4dB efficiency.
• XEQ2 — Electro-Voice XEQ-2 single-channel electronic crossover — plug-in 16-pin frequency modules, TL/HR equalization, 25µsec–2msec delay, 18dB/oct Butterworth.

Microphone

• D-857B — Electro-Voice N/D 857B neodymium dynamic mic — -49 dB sensitivity, 158 dB max SPL, praised by Audio (Dec 1994) as a top vocal mic.
• RE20 — Electro-Voice RE20 dynamic cardioid — 45 Hz–18 kHz, Variable-D, steel body, 737g. The broadcast voice mic that killed proximity effect.

Microphones

• EV) 666 — Electro-Voice 666 dynamic mic — the predominant microphone on Pet Sounds, built like a hammer, paired with the purpose-built Model 366 shock mount.
• EV) RE20 — Electro-Voice RE20 broadcast dynamic — 45–18,000 Hz, Variable-D, 737 g steel body, bass-tilt switch. The voiceover workhorse that behaves like a condenser.
• EVX-44 — Electro-Voice EVX-44 (c. 1972–1973): $99.95 universal four-channel matrix decoder advertised for SQ, QS, Stereo-4, Dyna; little documented.
• Model 611 (1950s) — Electro-Voice Model 611 Mercury dynamic mic — satin chrome, 50/8000 cps, −53 dB, Acoustalloy diaphragm, tilting head, $45 list.
• Model 636 — Electro-Voice Model 636 Slimair — slim brass-bodied omnidirectional dynamic, 60–15,000 cps, $72.50 list, junior partner to the 655.
• Model 911 — Electro-Voice Model 911 Mercury crystal microphone (c. 1955–1956) — omnidirectional, 50–8000 cps, Hi-Z, $25.50–$27.50. A tape-recording-era home mic.
• N/D767A — Electro-Voice N/D767A handheld dynamic vocal mic — supercardioid, N/DYM neodymium element, VOB technology, $199 list. Specs and period coverage.
• RE10 — Electro-Voice RE10 — the economy version of the RE15-inch super-cardioid dynamic, sold from c.1969 into the mid-1970s at prices from $90 to $166.
• RE11 — Electro-Voice RE11 dynamic cardioid mic — RE16's lower-cost twin with blast filter and Variable-D. Priced $96–$177 in period ads.
• RE15 — Electro-Voice RE15 dynamic cardioid mic (c. 1969–1976) with Variable-D, 150° rejection, hum-bucking coil. A broadcast and live-sound workhorse.
• RE16 — Electro-Voice RE16 supercardioid dynamic mic — Variable-D, 80–15,000 Hz, steel case, $159 in 1969. The RE15 with a pop filter.
• RE27N/D — Electro-Voice RE27N/D broadcast dynamic — Variable-D, neodymium magnet, 45–20,000 Hz, three selectable filters. The hotter, more versatile RE20.

Mixers

• 100M — Electro-Voice 100M powered mixer — 8 channels, dual 100W amps, 8-band graphic EQs, phantom power. The all-in-one PA box from the era before all-in-one was a category.
• EV) 100M Entertainer — Electro-Voice 100M Entertainer: 1981 ten-input stereo powered mixer with dual 150W peak amps, 3-band EQ and reverb. Scarce, cheap, and built like a tank.
• MA-1212 — Electro-Voice MA-1212: 120-watt commercial mixer/paging amplifier, MA-1200 series. Specs, inputs, and features from the original manual.

Speakers

• 100el — Electro-Voice Sentry 100EL powered studio monitor: Sentry 100A with integral 50W amp, 45Hz-18kHz, rack-mountable, built for remotes and tight spaces.
• 100s — Electro-Voice 100S — the 8-ohm companion speaker for the 100M mixer-amp, documented at ~60 Hz with EQ boost and two-per-channel at 4 ohms.
• 15TRX — Electro-Voice 15TRX (1954–1957): 15-inch concentric triaxial, 30–15,000 cps, 16 ohms, 44 lbs. The three-way driver that put E-V on the map.
• 15TRXB — Electro-Voice 15TRXB triaxial driver — $79 in 1957, 20W, 30–15,000 cps in the Regency horn. The working-class entry to E-V's TRX line.
• 1824M — Electro-Voice 1824M midrange compression driver — phenolic diaphragm, 2-inch voice coil, 107 dB sensitivity, 300–4,500 Hz. A horn-system workhorse for three-way builds.
• 30-inch — Electro-Voice's 30-inch woofer — the driver at the heart of the Patrician 800, paired with a 12-inch mid-bass and twin horns. Period ads called it a woofer for sounds you can feel.
• 433W — Viking 433W stereo tape recorder, sold with free Electro-Voice 631 microphones; period ads document a solid-state 4-track deck.
• 828HF — Electro-Voice 828HF — the $28 mid-bass diffraction horn driver from the Patrician IV, run in pairs covering 200–600 cps.
• CD 35i — Electro-Voice CD 35i — a mid-1980s E-V loudspeaker (the Baron in France) with almost no surviving documentation. Dealer ads and owner impressions only.
• EV-11 (1960s-1970s) — Electro-Voice EV-11 — no verified specs or production years. Archive holds only a filename attribution and 1960s-70s EV brand material. Documentation wanted.
• EVID (c. 2002) — Electro-Voice EVID ceiling and wall speakers (c. 2002) — coaxial install loudspeakers with SAM mounts, UL 2043 plenum rating, and 70V/100V transformer taps.
• EVM-15L (1981) — Electro-Voice EVM-15L (1981) — 15-inch pro driver, 200W EIA eight-hour rating, 16 lb magnet, diecast frame. The lead-guitar and bass-cab workhorse of the early '80s.
• FRI-152 — Electro-Voice FRi-152 (FRi-152/64) two-way install loudspeaker, c. 2000 — 15-inch woofer, 2-inch HF compression driver, 350W, 60°x40° horn.
• HD1000 — Electro-Voice HD1000 headphone distribution amp: four stereo outputs, pannable mic input, balanced loop output for HD100 modules.
• HP940 — Electro-Voice HP940 constant-directivity horn — the high-frequency flare behind E-V's DH1-era systems, documented in XEQ-3 EQ tables and arena clusters.
• LT-12 — Electro-Voice LT-12 — a $39 three-way 12-inch Wolverine driver with Radax cone, diffraction-horn tweeter, die-cast frame, and brilliance switch.
• PA12 — Electro-Voice PA12 paging horn — 12W, 106 dB sensitivity, 850–8,000 Hz, 8 ohms. A two-pound reentrant projector built for intelligible speech, not music.
• Patrician 800 — Electro-Voice Patrician 800: four-way horn system around a 30-inch woofer, one-inch wood cabinets, $1,095 original. The flagship E-V marketed as its least flashy speaker.
• SENTRY 100A — Electro-Voice SENTRY 100A — compact 8-inch two-way studio monitor, flat 45 Hz–18 kHz, rack-mountable, the nearfield that anchored 1980s project studios.
• SH-1502ER — Electro-Voice SH-1502ER — a 15-inch two-way PA speaker with DH2010A titanium HF driver, 200W EVG woofer, and Road-Wood cabinet.
• SP-12 (c. 1954–mid-1960s) — Electro-Voice SP-12: a coaxial 12-inch driver advertised from 1954 into the mid-1960s, sold under SP-12/SP-12-B/SP12B names. Little documented; $37.00 reported 1966 price.
• SP-12B — Electro-Voice SP-12B twelve-inch Radax coaxial — efficient, wide-dispersing, and the best buy E-V pitched for over a decade.
• SP12C — University Sound SP12C 12-inch dual-cone driver — 25W EIA rating, 96 dB sensitivity, 8 ohms. The conservative power spec hides a serious speaker.
• SP8B — Electro-Voice SP8B Radax Super-Eight — the $29.50 8-inch coaxial that anchored E-V's Baronet and Coronet systems. 16 ohms, 25W program.
• SX-300 — Electro-Voice SX-300: a 300W continuous, 12-inch two-way PA speaker with a titanium HF driver, 65°x65° waveguide, and Ring-Mode Decoupling.
• T35A — Electro-Voice T35A horn tweeter — 105 dB sensitivity, 3,500–16,000 Hz, 5W long-term, diecast aluminum horn. A high-efficiency component for period systems.
• X825 — Electro-Voice X825 crossover network — the 800–3,800 cps mid-range step in E-V's 1950s Building Block Plan, paired with the T10A driver and 8HD horn.
• ZLX-12P — Electro-Voice ZLX-12P: 1,000W Class D powered 12-inch two-way PA speaker, $399 street, 126 dB max SPL, 35 lb. Reviewed by Pro Audio Review, Nov 2013.

Tweeter

• T35B — Electro-Voice T35B VHF driver: 4 oz magnet, 9,000 gauss, 2 kc–18 kc at ±2 db, $22 net. The budget Super-Sonax horn of the late 1950s.

Other Models

• 12TRX — Electro-Voice 12TRX — a 12-inch concentric three-way reproducer, 16 ohms, ±5 dB 30–15,000 cps in recommended horn enclosures. Premium E-V component from the 1950s–70s.
• 12TRXB — Electro-Voice 12TRXB three-way 12-inch coaxial speaker, listed at $73.50 in mid-1960s catalogs and pitched as a best buy for custom hi-fi builds.
• AP3200 — Electro-Voice AP3200 pro power amp — 400W/ch into 8 ohms, 1200W bridged, modular octal sockets, 52 lbs of rack-mount muscle.
• BK-1 — Electro-Voice BK-1 electret condenser cardioid mic — diecast zinc body, 50–18,000 Hz, variable low-frequency response for feedback control on stage.
• CO2 — Electro-Voice CO2 omnidirectional back-electret lavalier: 36g, 50Hz–20kHz, 100-ohm, phantom-powered, paintable Tincture finish.
• CPS-2 — Electro-Voice CPS-2 Contractor Precision Series amp: 380W/ch @ 8 ohms, 5-way protection, 130% burst headroom. Built for fixed installs.
• CPS-3 — Electro-Voice CPS-3 — 1,200W/ch at 2 ohms, 2,400W bridged, 35 V/µs slew rate, 5-way protection. The middle child of EV's fixed-install CPS Series.
• CPS-4 — Electro-Voice CPS-4 — 1800W/ch fixed-install power amp with 5-way protection and 4-stage cooling. Specs and features from EV documentation.
• CS-15 — Electro-Voice CS-15 single-D cardioid electret condenser mic — 8-48V remote powering, proximity bass boost, built to survive SPLs that killed earlier electrets.
• DH2t — Electro-Voice DH2T two-inch titanium compression driver, used in T221M monitors and Sx500+/Sx600 systems. The working HF driver of EV's pro line.
• DS-35 — Electro-Voice DS-35 Single-D cardioid dynamic mic (c.1975), later sold as the PL 95. Rugged steel body, $90 original price. Obscure but documented.
• EV-1244X — Electro-Voice EV-1244X add-on 4-channel decoder/stereo amp — 18 W/ch, STEREO-4 decoder, $149.95 in 1972.
• EVID 3.2 — Electro-Voice EVID 3.2 — compact dual-3.5-inch surface-mount speaker with Ti tweeter, weather-resistant to MIL Spec 810, sold in pairs.
• EVID 4.2 — Electro-Voice EVID 4.2 (2001): dual 4-inch two-way surface-mount commercial speaker, 65 Hz–20 kHz, SAM mount, reviewed in 2002 at $340/pair.
• EVID C10.1 — Electro-Voice EVID C10.1 — a passive 10-inch ceiling subwoofer with 70V/100V/8Ω transformer, 45–150 Hz bandpass, and tile-bridge install kit.
• EVID C4.2 — Electro-Voice EVID C4.2 — 4-inch coaxial ceiling speaker with 70V/100V transformer taps, ported back can, and UL 2043 air-handling rating. Discontinued; Bosch successor named.
• EVID C8.2 — Electro-Voice EVID C8.2 ceiling speaker — 8-inch coax, 100W, 70V/100V/8Ω, ported steel back can. The complete installation package.
• EVID C8.2HC — Electro-Voice EVID C8.2HC 8-inch coaxial ceiling speaker for high ceilings — 75° waveguide, 50Hz–20kHz, 100W RMS, 70/100V or 8-ohm transformer.
• EVM-12L — Electro-Voice EVM-12L 12-inch Pro-Line driver — 300W continuous, 1200W peaks, 16-lb magnet, extended-range sound reinforcement.
• EVM-15B — Electro-Voice EVM-15B 15-inch bass driver — 400W continuous, 16-lb magnet, vented coil. The Pro-Line woofer behind countless bass bins.
• EVR-4X4 — Electro-Voice EVR-4X4 four-channel AM/FM receiver with the Universal Decoder circuit, $249.95 in 1972 — the matrix-era quad receiver that decoded any format without switching.
• EVX-4 — Electro-Voice EVX-4 Stereo-4 matrix decoder, $59.95 in the early 1970s. A budget entry into four-channel sound and a stereo enhancer.
• FR15-2 — Electro-Voice FR15-2 (1983): a 94-lb two-way reinforcement speaker with a 15-inch EVM-15L woofer, 90x40 constant-directivity horn, 98 dB sensitivity.
• FRi-152/64 — Electro-Voice FRi-152/64 two-way install loudspeaker: 15-inch woofer, 60x40 rotatable horn, 350W EIA, 98 dB sensitivity, 129 dB peak.
• MA-1206 — Electro-Voice MA-1206 — 60-watt, 12-input mixer amplifier for commercial sound, with 25/70.7/100V distributed outputs and 24V DC emergency power.
• Model 366 — Electro-Voice Model 366 — a naming collision between the 1954 666 mic boom shock mount and the 1974 Pilot 366 quad receiver. Specs, period review, buying guide.
• Model 420 — Electro-Voice Model 420 desk stand — the $20 cast-base clamp that held E-V's 676 and 666 mics, shown in 1965 Audio ads.
• Model 623 — Electro-Voice Model 623 slim dynamic mic: 60–12,000 cps, Acoustalloy diaphragm, 57° swivel mount, $57 list. A period general-purpose workhorse.
• Model 630 — Electro-Voice Model 630 dynamic mic — chromium finish, 90° tilt head, 40–8,000 cps, $52.50 list in 1963. A broadcast-room workhorse for speech.
• Model 644 — Electro-Voice Model 644 Sound Spot — a 16-inch Cardiline directional mic built to reach up to 4x the working distance of cardioids in churches and auditoriums.
• Model 655 — Electro-Voice Model 655 — 1950 omnidirectional dynamic mic, 40–15,000 cps ±2.5 dB, 11 oz, individually calibrated, $200 list. Broadcast workhorse.
• Model 666 — Electro-Voice Model 666 dynamic cardioid, single-element Variable-D design, 40–15,000 cps, 50/150/250 ohm taps, $245 in 1954.
• Model 668 — Electro-Voice Model 668 dynamic cardioid boom mic with built-in 6-position EQ and filters — 36 microphones in one, $495 in 1965.
• Model 950 — Electro-Voice Model 950 Cardex crystal microphone — cited in Audio (1956) for its polar plots; not the same as the Measurements 950 calibrator.
• MODEL-30W — The Electro-Voice Model 30W: a 30-inch, 34-lb foam-cone woofer with a 15,000-gauss magnet, rated 240W peak and built for 15 cps bass.
• MODEL-635A — The Electro-Voice 635A (1965) is an omnidirectional dynamic mic with 80–13,000 Hz response and −55 dB output, listed at $82 and mistaken for a $300 studio microphone in blind testing.
• MODEL-642 — Electro-Voice Model 642 Cardiline shotgun mic (1960) — 18-inch long-range dynamic that won the 1963 Academy Award for microphone design.
• MODEL-643 — Electro-Voice Model 643 Cardiline — a seven-foot, super-directional dynamic broadcast mic, $1,560 list, Academy Award-winning E-V design.
• MODEL-664 — Electro-Voice Model 664 cardioid dynamic mic — Variable-D porting, 40–15,000 cps, 55 dB output, chrome finish, $85 list. The vintage cardioid that still earns its keep.
• MODEL-676 — Electro-Voice Model 676 dynamic cardioid mic — CV-D tapered-tube design, 40–15,000 cps, $100 list, no on-off switch.
• N/D408 — Electro-Voice N/D408 — pivoting supercardioid N/DYM instrument mic, 60 Hz–18 kHz, $249.10 list, favored on guitar cabs and drums in the late '80s.
• N/D468 — Electro-Voice N/D468 supercardioid dynamic instrument mic from the N/DYM line — a working engineer's tom and guitar-cab favorite, listed at $278 in 2002.
• N/D478 — Electro-Voice N/D478 cardioid dynamic instrument mic — lean bottom, forward mids, a snare and guitar workhorse from the N/DYM line.
• N/D868 — Electro-Voice N/D868 bass drum mic — a purpose-built dynamic with a +5dB smile curve at 50Hz and 2kHz, $370 at launch.
• N/D967 — Electro-Voice N/D967 — supercardioid concert vocal dynamic with mid-boost and low-cut filter, part of the N/DYM neodymium line.
• N/DYM — Electro-Voice N/DYM Wireless UHF system: 10 channels, 800-814 MHz, NRU receiver, 100 dB dynamic range, N/DYM mic capsules.
• N/DYM 1 — Electro-Voice N/DYM 1 high-frequency compression driver: 22.5 kilogauss neodymium magnet, 7.2 lbs, 1.5 dB over the DH1A above 2 kHz.
• P2000 — Electro-Voice P2000 pro power amp — 800W/ch into 4 ohms, 1600W bridged, 27kg. Specs from the service manual, with notes on real-world draw and service cautions.
• PL-80 — Electro-Voice PL-80 vocal microphone — $199.95, FFT-designed, aluminum/zinc body, Steve Perry's first unit. A characterful dynamic mike.
• PL80A — Electro-Voice PL80A — supercardioid dynamic vocal mic, 80 Hz–16 kHz, shock-mounted capsule, $165 list. A road-tested bargain for working singers.
• PSX2000 — Electro-Voice PSX2000 powered mixer — 250W/ch at 8 ohms, swept-mid EQ, 24V phantom, 20kg. A do-everything PA head with real routing.
• RE-1000 — Electro-Voice RE-1000 supercardioid true condenser mic — transformerless, 14 dB self-noise, $928 list, single bass-rolloff control. A faithful, no-frills studio workhorse.
• RE-2 — Electro-Voice RE-2 wireless mic system — 1112 channels, True Diversity, Auto-ClearScan, 767A/Co9/Co11 heads. A capable third-gen EV wireless.
• RE-2000 — Electro-Voice RE-2000 large-diaphragm studio condenser — RF-biased, Jensen transformer, $2450 list in 1995. A dynamic-mic company's premium studio statement.
• RE200 — Electro-Voice RE200 — small end-firing true condenser with an RE2000-derived capsule and a pronounced 7dB presence lift. Bright, quiet, built to cut through a mix.
• RE320 — Electro-Voice RE320 dynamic cardioid broadcast mic — dual-voicing switch, Variable-D proximity control, list $355. The RE20's flexible sibling.
• RE410 — Electro-Voice RE410 handheld condenser (2005): cardioid, 50 Hz–20 kHz, 140 dB SPL, multistage pop filter, $322.50 list, TEC-nominated.
• RE50 — Electro-Voice RE50 omnidirectional dynamic — shock-isolated zinc chamber, 80 Hz–13 kHz, 150 ohms, 269 g. The broadcast handheld built to kill handling noise.
• RE50-B — Electro-Voice RE50-B omnidirectional dynamic ENG mic — 80 Hz–13 kHz, 150 ohms, shock-isolated zinc chamber, the broadcast interview standard.
• RE510 — Electro-Voice RE510 supercardioid handheld condenser with switchable vocal/studio low-end voicing, $249 MAP, also offered as a Telex FMR-1000 wireless capsule.
• RE85 — The Electro-Voice RE85 is a 1970 dynamic lavalier with double-wall shock mounting to kill clothing noise, 90–10,000 Hz, and a 635A-derived capsule.
• S-200 — Electro-Voice S-200 two-channel active equalizer for the S-200 Stage Speaker system. Extends low-frequency response from 90 Hz to 50 Hz and adds 4 dB efficiency. TL072 op-amps, ¼-inch jacks.
• Sb 120a — Electro-Voice Sb 120a — the 34-lb, 400-watt powered bass module from 1994's System 200, with a 12-inch DL12sb woofer and 40 Hz reach.
• SENTRY 100 — Electro-Voice Sentry 100 broadcast studio monitor — 19-inch rack-mountable, high-efficiency two-way with a 25W tweeter built to survive tape-machine accidents.
• SENTRY 100EL — Electro-Voice Sentry 100EL: a Sentry 100A studio monitor with an integral 50W amp, 45-18,000 Hz, rack-mountable, listed at $524 in the mid-1980s.
• SENTRY 500 — Electro-Voice Sentry 500 studio monitor — 40–18,000 Hz ±3 dB, 96 dB/1W, 400W peaks, constant-directivity Director tweeter. Early-1980s pro monitoring.
• Stage System 200 — Electro-Voice Stage System 200: a 36-lb, 1.8 cu ft two-way portable PA rated 300W filtered random noise, 1,200W peaks, 90–18,000 Hz ±3 dB.
• Sx200 — Electro-Voice Sx200: 39-lb, 300W two-way portable speaker with 101.5 dB sensitivity and a 12-inch woofer. Built for loud stages and small vans.
• SX500 — Electro-Voice SX500: 15-inch two-way PA speaker, 400W handling, polypropylene foam cabinet, RMD technology. A portable workhorse from EV's SX line.
• System 200 — Electro-Voice System 200 modular pro audio system — Sx200, Sb120a, Xp200. 126 dB claimed output, Super-Dome tweeter, Direktor horn. 1980s-90s compact PA.
• TL-606 — Electro-Voice TL-606 — a 3.2 cu. ft. vented bass-reflex cabinet built for the EVM15L 15-inch driver, sold as builders' plans rather than a finished speaker.
• Xp200 — Electro-Voice Xp200 — the crossover/controller at the heart of EV's modular System 200, with a delayed-signal bass profile circuit and 40 Hz high-pass protection.
• ZLX-15P — Electro-Voice ZLX-15P powered two-way: 1,000W Class D, 15-inch woofer, 127dB max SPL, $499 street at launch. A gigging workhorse.