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Kasper Bergholt, Danimarca - Collezione valvole

Informazioni - Aiuto
ID = 33776
Photo Kasper Bergholt

Qui trovi una parte della collezione valvole di Kasper Bergholt.

I'm a user, collector, archiver and photographer of a range of vacuum tubes (valves in British English), for example driver-stage tubes such as the 6CS7, the 12AU7A, the 12HB7A, the 6CJ3 family of damper tube and 6X5GT and 5U3C rectifier tubes, and lastly, the 5881/6L6/6L6G and EL34 family of output tubes. No 300B and single-triode designs for me so far.

Being the satisfied owner of a Leben CS-600 tube amplifier in addition to an RS30-EQ RIAA, tubes used in these products, naturally, for the time being are of most interest to me.

In addition to photographing and arching/documenting tubes on this site, I keep high-resolution archives for free, non-commercial use on Pbase & Wikipedia, some of which are added to Wikimedia for free use too, in addition to filling in the blanks for tubes that don't have an image associated with their listing. I use vintage Nikon & Zeiss gear.

Other hobbies are Tai Chi, gastronomy, Pu-Erh tea, listening to music, for the time being I'm especially interested in Japanese recordings (most of which are of sublime quality) -- through a Goldring cartridge and the Leben RS-30EQ RIAA -- of a variety of artists & genres and photography-based art featuring photos of vacuum tubes, most prominently in my 'Objects for an Ideal Home' series, in addition to reading, writing about and curating art.
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Panoramica della collezione di valvole di Kasper Bergholt. Queste immagini sono state inviate da Kasper Bergholt nella pagina di ciascuna valvola.

U.S. Army S.U. Navy VT-174A tube box - the box has the following text: Jan 6K8K VT-167A Vacuum tube Manufactured by Radio Corp. Of America Order No. 1508-Phila-44 Accepted Mar. 1944
VT-167A
Common type USA tube/semicond. USA
Close-up picture of a 884 vacuum tube from American producers RCA (Radio Corporation of America). Photographed with a Nikon D3 with a Zeiss Milvus 50mm lens.
884
Common type USA tube/semicond. USA
5881 tube from Russian Sovtek
5881
Russian 6П3С-Е tube produced around 1980 by Russian manufacturer 'Reflector'. For use in my Leben CS-600 amplifier. Military grade = Expected life-time more than 5,000 hours.
6П3С-Е
Common type USSR (SU) tube/s... SU
Russian 6N3C tub - presumably 70s production by either Reflector or Proton. For use in Leben CS-600 tube amplifier.
6П3С
Common type USSR (SU) tube/s... SU
6L6WGC tube from the Russian manufacturer Sovtek. Modern production. From own collection (came equipped in my Leben CS-600 amplifier). Text on the tube says: 5881/6L6WGC. Sovtek. Russia. Photo: Kasper Bergholt.
6L6WGC
Text on the box of the CV 2659 in the photo is as follors: Valve Electronic CV2659 3D 21A J.S. No. 5960-99-000-2659 A.M. REF. No. 10CV / 2659 2923 Photo: Kasper Bergholt. Nikon D3 + Zeiss Milvus 55mm.
CV2659
Common type USA tube/semicond. USA
General Electric 6DN3 Damper tube used in my Leben CS-600 tube amplifier.
6DN3
6CM3 tube produced by General Electric. New Old Stock. For use in Leben tube amplifier. From own collection. Shot with a Nikon D3 & Carl Zeiss lens.
6CM3
Close-up image of a box containing a General Electric 6CJ3 / 6DWB4 tube. Production listed on the tube as February 1976. The box contains the following serial number: 5960-00-927-2755 Photo to be under Wikimedia license - free use. 'One Eecltron Tube' GE (General Electric) 6CJ3/6DW4B Made by G.E. CO. U.S.A. (A) 33163 Date PKD 2/76.
6CJ3
6CH3 damper tube from own collection for use in Leben CS-600 tube amplifier.
6CH3
Russian 6Z4P-EV (6Ц4П-ЕВ) rectifier tube produced by the Reflector factory date-marked 1966.
6Ц4П-ЕВ
Common type USSR (SU) tube/s... SU
Vintage 1962 from Russian Reflector factory. Date marked. For use in DAC along with a Siemens Halske E88CC tube. Equivalent to Chinese 6Z4. Equivalent but with a different pin layout to the 6X4 family.
6Ц4П
Common type USSR (SU) tube/s... SU
Chinese 6Z4 rectifier tube - marked Q (military grade), presumably produced by Shuguang. For use in DAC based on one 6Z4 rectifier tube and one 6N11 / ECC88.
6Z4_China
Common type China (PRC) tube... PRC
Close-up photograph of a vintage 6X5GT tube from RCA (American Radio Association). The tubes is from the 50's or 60's - the Golden Era of US production of vacuum tubes. 6X5GT tubes are used in for example the RS30-EQ RIAA by Japanese Hi Fi producer Leben. The 6X5GT tube in the image is a vintage NOS (New Old Stock) tube aquired from an American surplus inventory dealer. Tests NOS. 6X5GT tubes are also used in Audio Note UK products, e.g. the Audio Note DAC 3. The photo of the 6X5GT is shot with a Nikon D3 camera using a 60mm 2.8 macro lens. Read more about it <a href='url'>https://bergholt.net/en/leben-tubes#Tubes_used_in_the_Leben_RS-30EQ_RIAA</a>. The image can be freely used in non-commercial contexts, and it may sampled & modified too. Copyright: Kasper Bergholt.
6X5GT 1938
Common type USA tube/semicond. USA
6X4WSH tube box in mint condition - Mazda / Cifté.
6X4WSH
5CS3 / 5Ц3С Rectifier tube produced by the Svetlana factory in 1976 accordring to the date mark on the tube. For use in an Audio Note-inspired preamplifier circuit using one rectifier in the 5CS3 family along with two ECC81 tubes for the gain stage of the amplifier. Needed one, bought two.
5Ц3С
Common type USSR (SU) tube/s... SU
Vintage Chinese 5Z4P rectifier tube for use in Kondo Audio Note preamplifier clone along with two Telefunken ECC81 tubes.
5Z4P
Common type China (PRC) tube... PRC
5Z3P rectifier tube produced by Chinese Shuguang. New Old Stock for use in Kondo Audio Note KSL-M77 preamplifier clone.
5Z3P
Common type China (PRC) tube... PRC
5U4GB tube bough lightly used for use in a Sunbuck KSL-M7 preamplifier.
5U4GB
Common type Worldwide tube/s... ZZ
Jan CHS VT-126B rectificer tube produced in June 1945 for theU.S. Army / U.S. Navy by Sylvania Electric Products in the USA. Photo: Jasper Bergholt. From personal collection and planned use in Leben RS-30EQ RIAA.
VT-126B
Common type USA tube/semicond. USA
Red-base European made EZ35 tube - marked 'Produced in Germany' on the opposite side of the photo. Photo angle was chosen to show the dobule-plate construction of this EZ35, which sets it apart from some tubes in the 6X5GT branch of the same rectifier tube design. From own collection. For use in Leben RS30-EQ RIAA.
EZ35
Mullard Radio Valve Co. Ltd.; GB
Unbranded CV574 New Old Stock tube from own collection for use in Leben RS30EQ RIAA.
CV574
Common type Great Britain tu... GB
Box for C.H.S. Sylvania voltage regular NOS tube produced for the U.S. Navy Text on the box: 1) For U.S. Navy - Type CHS: 38250 2) Contract NXs. 6761 3) Data - 12.11.42 (12th of November 1942) The box is for a Sylvania tube marked: OD3 & VR 150 & 38250. Camera equipment used: Nikon D3; Lens used: Milvus 55mmn F/2.0.
38250
RCA (RCA Victor Co. Inc.); N... USA
VR-105 tube, marked 'Made in USA', Hytron.
VR105
Common type USA tube/semicond. USA
6028 tube (similar to 408A tube) - for use in Yamamoto DAC. Tube box marked production year of 1966. More common is the Western Electric 408A version.
6028
General Electric 5654 vacuum tube - marked 5654 & 6AK5W - for use in Yamamoto Sound Craft CA-04 preamplifier.
5654
New Old Stock Western Electric 408A tube for use in a Yamamoto SoundCraft YDA-01B DAC.
408A
Tube box containing one Sylvania 6K6GT vacuum tube. Photographed by Kasper Bergholt using a Nikon D3 & Zeiss Milvus lens.
6K6GT
Common type USA tube/semicond. USA
60s 6AK5W production by General Electric marked 6AK5W. For use in Yamamoto Sound Craft CA-04 line-level preamplifier. From own collection.
6AK5W
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Pagina personale presso Radiomuseum di Kasper Bergholt con la propria collezione.
In qualità di iscritto a Radiomuseum.org, Kasper Bergholt ha creato la propria pagina con i pezzi della propria collezione.

Kasper Bergholt ha iniziato a pubblicare la propria collezione dal 18.Apr.2023.
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