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Dies ist eine nicht-kommerzielle Webseite, die allen Theremin-Enthusiasten gewidmet ist. Alle Informationen werden kostenlos und nur für den nicht-kommerziellen Gebrauch zur Verfügung gestellt. | This is a non-commercial web page, dedicated to all Theremin enthusiast. All information is provided free of charge and for non-commercial use only. |
Da die vorgestellten und diskutierten Themen von allgemeinem Interesse sind und für die Mehrheit der Menschen zugänglich sein sollen, versuche ich in englischer Sprache zu schreiben, auch wenn ich in Deutschland beheimatet bin. Sie können mich auf Deutsch und Englisch z.B. bei Fragen oder Vorschlägen kontaktieren. | Even when based in Germany, I try to write using English language, because the issues presented and discussed are of general interest and shall be accessible for the majority of people. You can contact me in German and English, e.g. if you have any questions or suggestions. |
Hinweis: Schaltungen und Verfahren werden ohne Rücksicht auf bestehende Patente mitgeteilt. Sie sind ausschließlich für Lehr- und Experimentierzwecke bestimmt und dürfen nicht gewerblich verwertet werden. | Note: The circuits and techniques are imparted without regarding existing patents. The presented issues are exclusively intended to be used for teaching- and experimentation purposes and must not be commercialized. |
Aktuelles / Updates
10-07-2024 | Re-upload of video due to missing introduction-picture | ||
12-11-2023 | Re-established various video links due to changes by provider | | |
11-11-2023 | Issue #22: schematic and description of VREB V2 and VREB V3 corrected (connection of TP1) | ||
03-11-2023 | Claravox Theremin PCB Fixture pictures added, issue #22 CVC VREB V2 / V3 volume-extension board descriptions added, response-curves of the CVC VREB boards added, additional explanations added to issue #9 | ||
13-10-2023 | Claravox App and General Functions / 22. Issue: Added additional descriptions of VCA volume-control and of ‘TRADITIONAL’ mode digital (RF) mixer | ||
20-09-2023 | Added issue #22 'Volume cannot reach mute level', corresponding to issue #9 'Volume Response', already discussed in 2021 | ||
Minor corrections | |||
02-08-2023 | 'Claravox App and General Functions of the CV-C Theremin' added. Issues #16 to #21 added, including solutions | ||
20-07-2023 | Aktuelles / Updates modified due to malfunction | | |
20-07-2023 | Noval-Theremin schematic draft approach added | ||
19-07-2023 | Theremin instruments list updated | ||
19-07-2023 | Discussion of Theremin building instruction 'S. Zorin: Termenvox - Modelist Konstruktor No. 4 1981, p. 23-25' added | ||
09-07-2023 | RT-SILICON-X Theremin: |
25-09-2022 12-09-2022 | Etherwave Standard & Plus (EWS & EW+) Theremin Modifications | Minor corrections and clarifications | |
25-05-2022 | M35 amplifier schematic corrected and updated to revision 1.0, additional descriptions and specifications added | ||
23-04-2022 | Etherwave Standard & Plus (EWS & EW+) Theremin Modifications | Minor corrections of EW-MOD schematics, new revisions |
17-04-2022 | M35 amplifier schematic updated to revision 0.2, additional descriptions and specifications added. | ||
09-04-2022 | RT-6SH2P Theremin 06-2020 schematic updated to revision 0.2 | ||
02-04-2022 | Geschichte / History: 'Old Frankfurt am Main' - Views before and shortly after World War II (1938 / 1945) added |
23-02-2022 | CVC-Theremin Cable-Fixing (CVC-CF) CAD files added | ||
19-02-2022 | Reworked antenna pictures and descriptions added (#00021) | ||
16-02-2022 | |||
13-02-2022 | Rockmorizer-Theremin Coil-Bobbin-Holder Assemblies: |
12-02-2022 | General Updates | |
26-01-2022 | Book pictures added | ||
05-01-2022 | EW Standard Theremin Modifications | Indicated voltage regulator type 78L05/79L05 has been corrected to 78L12/79L12 in Schematic revision 0.2 (2022-01-05) of ‘EW-MOD_SCH01_0v2’ | |
01-01-2022 | 'General Functionality of the Rockmore- and Rosen Tube Theremin Instruments...' Design' this paper is now also available in German |
04-12-2021 | General Updates | | |
General Updates |
30-10-2021 | 15. Main PCB deformed Issue added | ||
16-10-2021 | 9. Volume Issue edited according to findings, CVC-T VREB-10-2021 added | ||
13-10-2021 | Various pictures of instrument parts and schematic drafts added | ||
06-10-2021 | 14. Squeak Noises edited according to findings | ||
03-10-2021 | 9. Volume Issue edited according to findings | ||
11. Slack Cabling | |||
12. Volume Difference MODERN/ | |||
13. Switch-Off Pop Noise | |||
14. Squeak Noises issues added |
26-09-2021 | |||
Issues, Flaws and Improvements of the Moog Claravox Centennial Theremin added | |||
Isues, Flaws and Improvements of the Moog Claravox Stand added |
24-09-2021 | Chapter 6.3 ‘EW-REB 08-2021 Extension Board' added |
26-08-2021 | Table of Contents added |
14-08-2021 | Chapter 5.8‘EW-REB 01-2021 Volume Response’ added, containing measurement diagrams of the proposed EW-S/+ Theremin extension-board |
11-07-2021 | Theremin Hand to Antenna Distance Indicator Device (THADID) pictures / link and sound file added |
11-07-2020 Theremin Bau-Hinweise / Construction Advice:
Theremin Hand to Antenna Distance Indicator Device (THADID) description added
10-07-2021 Theremin Functionality:
Minor changes and corrections of 'General Functionality of the Rockmore- and Rosen- Tube Theremin Instruments according to Leon Theremin’s Design'
06-07-2021 EW Standard Theremin Modifications:
General corrections
03-07-2021 EW Standard Theremin Modifications:
Additional Pitch Linearity Measurements (EW-REB 06-2021) added
23-06-2021 EW Standard Theremin Modifications:
Pitch linearity improvement (EW-REB 06-2021) diagrams optimized
20-06-2021 EW Standard Theremin Modifications:
General corrections
EW-REB 06-2021 extension board introduction, including new phase-compensation circuit and pitch linearity improvement circuit proposal
02-06-2021 aetherwellen-music.de:
General corrections
04-03-2021 EW Standard Theremin Modifications:
EW-REB 01-2021 extension board revision 0.2 description R101 value corrected,
24-02-2021 EW Standard Theremin Modifications:
Diagrams of the volume dependent pitch duty-cycle and pulse-ratio characteristics of the EW S/+ with attached EW-REB 01-2021 extension board revision 0.2 added. Schematics of EW-REB 01-2021 extension board corrected (Rev. 0.2).
07-02-2021 EW Standard Theremin Modifications:
Diagrams of the pitch dependent duty-cycle and pulse-ratio characteristics of the EW S/+ with attached EW-REB 01-2021 extension board added.
31-01-2021 Sonstiges / Miscellaneous:
Miscellaneous development of a Masken-Andruckbügel / Mask Pressure-Stirrup added.
17-01-2021 EW Standard Theremin Modifications:
Improved 'EW Standard and EW+ Theremin Modification 01-2021 (EW-REB 01-2021)'
chapter added.
29-12-2020 EW Standard Theremin Modifications:
Improved 'EW Standard and EW+ Theremin Modification 12-2020 (EW-REB 12-2020)'
chapter added.
29-12-2020 Messungen / Measurements:
Audio pulse measurments of the improved 'EW Standard and EW+ Theremin Modification 12-2020 (EW-REB 12-2020)'
added.
15-11-2020 Theremin Bau-Hinweise / Construction Advice:
Theremin Coil Construction:
Pictures of Theremin antenna extension (linearization) coils and self-capacitance (lumped / distributed capacity) measurement of coils added
Description and pictures of 'Tiny Coil Winder' (to be used to wind low distributed capacity theremin antenna extension coils) added
Applying Line-Transformers as Theremin Interstage Transformers and AF-Chokes:Frequency-/phase response diagrams of vintage interstage-transformers added
Essential Measurement Equipment for Theremin Construction:
Slight additions
09-11-2020 Theremin Geschichte / History:
Minor changes (typos corrected)
09-11-2020 Theremin Bau-Hinweise / Construction Advice:
Pictures of oscillator coils and ferrite rods added, typos corrected
08-11-2020 Theremin Bau-Hinweise / Construction Advice:
Theremin Bau-Hinweise / Construction Advice page added
06-11-2020 Videos:
Videos page updated (Theremin Construction / Test Videos & Vintage Devices Collection Videos), descriptions added
04-11-2020 Theremin Functionality:
Minor changes (typos corrected)
04-11-2020 Questions and Answers:
Minor changes (e-mail reference)
02-11-2020 Videos:
Russian Miniature-Tube Theremin Test (2015) video quality updated
31-10-2020 Videos:
Etherwave Standard Theremin simplest ever ‘Lower-Register’ (bass range extension) modification and 'Rockmore-Sound' Modification Test videos corrected in terms of picture / sound synchronicity and preview picture
31-10-2020 EW Standard Theremin Modifications:
Etherwave Standard Theremin simplest ever ‘Lower-Register’ (bass range extension) modification and 'Rockmore-Sound' Modification videos corrected in terms of picture / sound synchronicity and preview picture
28-10-2020 EW Standard Theremin Modifications:
Minor corrections and additions of the Etherwave Standard (EWS) Theremin modification descriptions
28-10-2020 aetherwellen-music.de:
General corrections
26-10-2020 Theremin Functionality:
Minor changes of 'General Functionality of the Rockmore- and Rosen- Tube Theremin Instruments according to Leon Theremin’s Design'
25-10-2020 Questions and Answers:
Minor modifications of Q & A
25-10-2020 Rockmorizer Theremins:
RT-6SH2P-X Tube Theremin circuit descriptions modified
18-10-2020 Videos:
Videos updated of FRANZIS Theremin Kit Modification and RT-6SH2P-X Tube Theremin
18-10-2020 Rockmorizer Theremins:
RT-6SH2P-X Tube Theremin added
FRANZIS Theremin Kit Modification Test Video added
16-09-2020 Rockmorizer Theremins:
FRANZIS Theremin Kit Modification added
15-09-2020 EX1hi HI8 Camcorder Instandsetzung / Restoration:
Canon EX1hi HI8 Camcorder Restoration Project added
09-09-2020 Questions and Answers:
13. ‘Antenna extension coils’ modified, 14./15. ‘Radiated energy’ added, 16. ‘electromagnetic field’ added
09-09-2020 Functionality: General Functionality of the Rockmore- and Rosen Tube Theremin Instruments according to Leon Theremin’s Design - Sound Anaysis:
Intermediate frequency (IF) descriptions and according literature added
03-09-2020 Intention:
Radio collector 'WDR Lokalzeit Suedwestfalen 3.3.1997' video added
25-08-2020 Sammlung / Collection:
Radiostat-Heilgeraet video added
25-08-2020 Rockmorizer Theremins:
Sound spectrum hamonics numbering corrected
25-08-2020 Functionality: General Functionality of the Rockmore- and Rosen Tube Theremin Instruments according to Leon Theremin’s Design - Sound Anaysis
Sound spectrum hamonics numbering corrected
19-08-2020 Literature:
Literature listing expanded, preface added
19-08-2020 Questions and Answers:
Theremin Instruments - Questions and Answers added
10-08-2020 EW Standard Theremin Modifications:
Sound spectrum discussion of the RS-Mod. EWS Theremin added
10-08-2020 Rockmorizer Theremins:
Sound spectrum discussion of the RT-6SH2P / 6ж2п Tube Theremin added
10-08-2020 Functionality: General Functionality of the Rockmore- and Rosen Tube Theremin Instruments according to Leon Theremin’s Design - Sound Anaysis
Added description of volume dependent sound spectrum and discussion of RCA Theremin timbre. Literature listing expanded accordingly.
01-08-2020 Functionality: General Functionality of the Rockmore- and Rosen Instruments according to Leon Theremin’s Design - Sound Anaysis
Added sound spectrum pictures of the Theremin instrument of C. Rockmore and additional descriptions
01-08-2020 EW Standard Theremin Modifications:
Added note regarding the work of L.D. Korolyov (Л. Д. Королёв). Literature listing expanded accordingly.
26-07-2020 Videos:
Videos updated
26-07-2020 Theremin Instrumente / Instruments:
Kosmos-Rockmorizer-XN Theremin pictures addeded
26-07-2020 Sammlung / Collection:
Gloecklen-Heilgeraet pictures addeded
Helios-Heilgeraet pictures addeded
Radiostat-Heilgeraet pictures addeded
26-07-2020 Realton 'Variophon Standard':
Variophon Standard Descriptions and pictures addeded
25-07-2020 Tektronix Type 576 Curve-Tracer:
TEK576 photos added/changed
27-07-2020 aetherwellen-music.de:
General corrections
18-07-2020 EW Standard Theremin Modifications:
Minor changes, Etherwave Standard Theremin simplest ever ‘Lower-Register’ Modification video added
27-06-2020 Videos:
RT-6SH2P / 6ж2п Tube Theremin video added
19-07-2020 Tektronix Type 576 Curve-Tracer:
TEK576 photos added
27-06-2020 Rockmorizer Theremins:
The RT-6SH2P / 6ж2п Tube Theremin added
The M35-AMP added
The Rockmorizer Silicon 2017 Theremin added
17-06-2020 Functionality - General Functionality of the Rockmore- and Rosen Instruments according to Leon Theremin’s Design:
Schematics of the Rockmore and Rosen instruments added
21-05-2020 EW-Theremin Modifications:
Etherwave Theremin simplest ever ‘Lower-Register’ Modification added
(Claravox is a trademark of Moog Music, Inc.)