ECC82 12AU7 CV491 CV4003 B329 M8136 7193 TWIN TRIODE VALVE VARIOUS MANUFACTURERS

Manufacturers: Amperex , Brimar , GEC Valves , Mullard , Osram
The ECC82 was designed as a general purpose medium mu  twin triode. . A special quality version was also produced, for the military bearing the notation CV4003. An anti-microphonic and matched section version designated the E182CC was also made.
 
An amplification factor of 17 is quoted, which is much lower than that for the pin compatible ECC83 at 100.   The glass tube envelope is  approximately 20 mm in diameter and, excluding the B9A button base pins, is approximately 50 mm in height.
 
The ECC82 found use in many hifi amplifiers and guitar amplifiers of the golden valve era and many exotica also have them lurking beneath their covers, this list details just some of them:-
 
 Aguilar DB750 driver tube
 Allen & Heath VF-1 compressor
 Ampeg SVP-PRO Bass Preamp
 Art PRO VLA II comp
 Audio Note CD2
 Audio Note L2 Custom - Response Audio
 Audio Note M1 preamp
 Audio Note M8
 Audio Valve Eclipse preamp
 Bottlehead
 CJ PV10
 Concert Fidelity CF-080LS Hybrid Line Stage Preamplifier
 Conrad Johnson PV 10AL 1993
 David Berning ZOTL Pre One Audio Preamplifier
 Decware Zbox (Unity Gain Stage)
 Eastern Electric DAC
 Eastern Electric Minimax
 Head-Direct EF1 preamp
 Jadis JP-800 preamp
 JJ243 preamp (2007 model)
 Octave (Germany)
 Odyssey Kandela preamp
 Ray Samuels Raptor
 Ray Samuels The Emmeline II, “B-52” fully balanced Headphone amplifier and full functioning preamplifier
 Rogue Audio Cronus
 Rogue audio Perseus + Rogue audio stereo 90,
 ROTH AUDIO MC4 MUSIC COCOON 2009
 Scott Tuner
 Sonny Jr. Four-ten / Customized Harp Amp
 Sun Audio 1000
 VAC PA100/100
 Velleman K4000 kit
 VTL 6.5 preamp
 VTL 7.5 Series II
 VTL TL 7.5 MKII preamp
 Wavac pr-t1 preamp
Picture of BRIMAR 12AU7 ECC82 MATCHED PAIR
BRIMAR 12AU7 ECC82 MATCHED PAIR
On offer we have a beautiful matched pair of white print Brimar 12AU7/ ECC82. These devices present with superb matching both within the envelope and inter device. These devices have tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope. V3: Section 1: Ia = 10.0 mA; gm = 2.2 mA/V V3: Section 2: Ia = 10.0 mA; gm = 2.2 mA/V V4: Section 1: Ia =10.0 mA; gm = 2.0 mA/V V4: Section 2: Ia = 9.5 mA; gm = 1.9 mA/V The specification for a new/100% emission valve is: Ia = 10 mA; gm = 2.2 mA/V As you can see, this result show a really strong matched pair of valves with good matching of each triode section within each envelope.
Stock Code: v3 v4
Availability: 1 in stock
Delivery date: 1 week
€68.45
Picture of BRIMAR CV4003 MILITARY 12AU7 ECC82 MATCHED PAIR FROM 1974
BRIMAR CV4003 MILITARY 12AU7 ECC82 MATCHED PAIR FROM 1974
On offer we have a beautiful matched pair of white print Brimar CV4003, these are military specification 12AU7/ ECC82. Both devices carry a military cartouche that indicate a 1974 manufacture date. Both devices present with superb matching both within the envelope and inter device. These devices have tested on our AVO VCM163 valve tester as having nominal specification emission with very close matching for each triode section within the envelope.
Stock Code: c3 c4
Availability: 1 in stock
Delivery date: 1 week
€68.45
Picture of STC BRIMAR 12AU7 ECC82 18mm LONG ANODE  MATCHED PAIR SAME FACTORY CODE
STC BRIMAR 12AU7 ECC82 18mm LONG ANODE MATCHED PAIR SAME FACTORY CODE
On offer we have a beautiful matched pair of 18mm, 'long plate' white print STC Brimar 12AU7/ ECC82 carrying identical factory codes of 1413. These devices present with superb matching both within the envelope and inter device. These devices have tested on our AVO VCM163 valve tester as having nominal emission with very close matching for each triode section within the envelope. A21: Section 1: Ia = 10.5 mA; gm = 1.9 mA/V A21: Section 2: Ia = 10.5 mA; gm = 1.9 mA/V A22: Section 1: Ia =10.0 mA; gm = 1.9 mA/V A22: Section 2: Ia = 10.0 mA; gm = 2.0 mA/V The specification for a new/100% emission valve is: Ia = 10 mA; gm = 2.2 mA/V As you can see, this result show a really strong matched pair of valves with good matching of each triode section within each envelope.
Stock Code: a21 a22
Availability: 1 in stock
Delivery date: 1 week
€85.56
Picture of MAZDA 12AU7 ECC82 MATCHED PAIR
MAZDA 12AU7 ECC82 MATCHED PAIR
On offer we have a beautiful matched pair of white print Mazda 12AU7/ ECC82. These devices present with superb matching both within the envelope and inter device. These devices have tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope.
Stock Code: m11 m12
Availability: 1 in stock
Delivery date: 1 week
€62.74
Picture of MULLARD MITCHAM CV4003 BOX ANODE MIL SPEC ECC82 FROM 1984
MULLARD MITCHAM CV4003 BOX ANODE MIL SPEC ECC82 FROM 1984
On offer we have a beautiful CV4003, military specification, ECC82. Made by Brimar Rochester during My 1975. This device, tested on our AVO VCM163 valve tester shows 100% emission with very close matching for each triode section within the envelope.
Availability: 1 in stock
Delivery date: 1 week
€45.63
Picture of  BRIMAR WHITE PRINT CV4003 MIL SPEC ECC82 FROM 1964
BRIMAR WHITE PRINT CV4003 MIL SPEC ECC82 FROM 1964
On offer we have a beautiful Brimar white print CV4003 mil spec ECC82. This device, dating from 1964 shows superb matching both within the envelope and inter device. This device has been tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope.
Stock Code: v11
Availability: 1 in stock
Delivery date: 1 week
€39.93
Picture of BRIMAR ROCHESTER  QUASI-BOX ANODE CV4003 MILITARY ECC82 FROM MAY 1975
BRIMAR ROCHESTER QUASI-BOX ANODE CV4003 MILITARY ECC82 FROM MAY 1975
On offer we have a beautiful CV4003, military specification, ECC82. Made by Brimar Rochester during May 1975. This device presents with superb matching both within the envelope and inter device. On test, our AVO VCM163 valve tester shows100% emission with very close matching for each triode section within the envelope.
Availability: 1 in stock
Delivery date: 1 week
€36.50
Picture of BRIMAR WHITE PRINT 12AU7 ECC82
BRIMAR WHITE PRINT 12AU7 ECC82
On offer we have a beautiful Brimar white print ECC82. This device shows superb matching both within the envelope and inter device. This device has been tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope.
Stock Code: v12
Availability: 1 in stock
Delivery date: 1 week
€31.94
Picture of BRIMAR WHITE PRINT CV4003 MIL SPEC ECC82 FROM 1975
BRIMAR WHITE PRINT CV4003 MIL SPEC ECC82 FROM 1975
On offer we have a beautiful Brimar white print CV4003 mil spec ECC82. This device, dating from 1975 shows superb matching both within the envelope and inter device. This device has been tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope.
Stock Code: v9
Availability: 1 in stock
Delivery date: 1 week
€36.50
Picture of MULLARD MITCHAM CV491 MIL SPEC ECC82  FROM 1970
MULLARD MITCHAM CV491 MIL SPEC ECC82 FROM 1970
On offer we have a beautiful CV491, military specification, ECC82. Made by Mullard Mitcham. This device shows superb matching both within the envelope and inter device. This device has been tested on our AVO VCM163 valve tester as having 100% emission with very close matching for each triode section within the envelope.
Stock Code: v6
Availability: 1 in stock
Delivery date: 1 week
€41.07
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